Merge pull request #30 from AnonymusRaccoon/sqlite

Implementing SQLite & Adding tests

.github/workflows/analysis.yml

@@ -2,9 +2,10 @@ name: Analysis
 on: [push, pull_request]
 
 jobs:
-  build:
+  analysis:
     name: Static Analysis
     runs-on: ubuntu-latest
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
     steps:
       - uses: actions/checkout@v2
         with:
@@ -28,16 +29,27 @@ jobs:
         run: |
           mkdir -p ./.sonar/scanner
           dotnet tool update dotnet-sonarscanner --tool-path ./.sonar/scanner
+      - name: Wait for tests to run
+        uses: lewagon/wait-on-check-action@master
+        with:
+          ref: ${{github.ref}}
+          check-name: tests
+          repo-token: ${{secrets.GITHUB_TOKEN}}
+          running-workflow-name: analysis
+          allowed-conclusions: success,skipped,cancelled,neutral,failure
+      - name: Download coverage report
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          commit: ${{env.COMMIT_SHA}}
+          workflow: tests.yml
+          github_token: ${{secrets.GITHUB_TOKEN}}
       - name: Build and analyze
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
         shell: bash
         run: |
-          dotnet test \
+          find . -name 'coverage.opencover.xml'
-            '-p:CollectCoverage=true;CoverletOutputFormat=opencover' \
-            '-p:SkipTranscoder=true;SkipWebApp=true' || echo "Test failed. Skipping..."
-
           dotnet build-server shutdown
 
           ./.sonar/scanner/dotnet-sonarscanner begin \

.github/workflows/tests.yml

@@ -3,17 +3,40 @@ name: Testing
 on: [push, pull_request]
 
 jobs:
-  build:
+  tests:
     runs-on: ubuntu-latest
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
+    container: mcr.microsoft.com/dotnet/sdk:5.0
+    services:
+      postgres:
+        image: postgres
+        env:
+          POSTGRES_PASSWORD: postgres
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     steps:
     - uses: actions/checkout@v2
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: 5.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build
-      run: dotnet build --no-restore '-p:SkipWebApp=true;SkipTranscoder=true'
+      run: |
+        dotnet build --no-restore '-p:SkipWebApp=true;SkipTranscoder=true' -p:CopyLocalLockFileAssemblies=true
+        cp ./Kyoo.Common/bin/Debug/net5.0/Microsoft.Extensions.DependencyInjection.Abstractions.dll ./Kyoo.Tests/bin/Debug/net5.0/
     - name: Test
-      run: dotnet test --no-build
+      run: dotnet test --no-build '-p:CollectCoverage=true;CoverletOutputFormat=opencover'
+      env:
+        POSTGRES_HOST: postgres
+        POSTGRES_USERNAME: postgres
+        POSTGRES_PASSWORD: postgres
+    - name: Sanitize coverage output
+      if: ${{ always() }}
+      run: sed -i "s'$(pwd)'.'" Kyoo.Tests/coverage.opencover.xml 
+    - name: Upload coverage report
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v2
+      with:
+        name: coverage.xml
+        path: "**/coverage.opencover.xml"

Kyoo.Common/Controllers/ILibraryManager.cs

@@ -77,6 +77,11 @@ namespace Kyoo.Controllers
 		/// </summary>
 		IProviderRepository ProviderRepository { get; }
 		
+		/// <summary>
+		/// The repository that handle users.
+		/// </summary>
+		IUserRepository UserRepository { get; }
+		
 		/// <summary>
 		/// Get the resource by it's ID
 		/// </summary>
@@ -149,16 +154,6 @@ namespace Kyoo.Controllers
 		[ItemNotNull]
 		Task<Episode> Get(string showSlug, int seasonNumber, int episodeNumber);
 
-		/// <summary>
-		/// Get a track from it's slug and it's type.
-		/// </summary>
-		/// <param name="slug">The slug of the track</param>
-		/// <param name="type">The type (Video, Audio or Subtitle)</param>
-		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		/// <returns>The track found</returns>
-		[ItemNotNull]
-		Task<Track> Get(string slug, StreamType type = StreamType.Unknown);
-		
 		/// <summary>
 		/// Get the resource by it's ID or null if it is not found.
 		/// </summary>
@@ -224,15 +219,6 @@ namespace Kyoo.Controllers
 		[ItemCanBeNull]
 		Task<Episode> GetOrDefault(string showSlug, int seasonNumber, int episodeNumber);
 
-		/// <summary>
-		/// Get a track from it's slug and it's type or null if it is not found.
-		/// </summary>
-		/// <param name="slug">The slug of the track</param>
-		/// <param name="type">The type (Video, Audio or Subtitle)</param>
-		/// <returns>The track found</returns>
-		[ItemCanBeNull]
-		Task<Track> GetOrDefault(string slug, StreamType type = StreamType.Unknown);
-		
 
 		/// <summary>
 		/// Load a related resource
@@ -242,6 +228,9 @@ namespace Kyoo.Controllers
 		/// <typeparam name="T">The type of the source object</typeparam>
 		/// <typeparam name="T2">The related resource's type</typeparam>
 		/// <returns>The param <see cref="obj"/></returns>
+		/// <seealso cref="Load{T,T2}(T,System.Linq.Expressions.Expression{System.Func{T,System.Collections.Generic.ICollection{T2}}})"/>
+		/// <seealso cref="Load{T}(T, System.String)"/>
+		/// <seealso cref="Load(IResource, string)"/>
 		Task<T> Load<T, T2>([NotNull] T obj, Expression<Func<T, T2>> member)
 			where T : class, IResource
 			where T2 : class, IResource, new();
@@ -254,6 +243,9 @@ namespace Kyoo.Controllers
 		/// <typeparam name="T">The type of the source object</typeparam>
 		/// <typeparam name="T2">The related resource's type</typeparam>
 		/// <returns>The param <see cref="obj"/></returns>
+		/// <seealso cref="Load{T,T2}(T,System.Linq.Expressions.Expression{System.Func{T,T2}})"/>
+		/// <seealso cref="Load{T}(T, System.String)"/>
+		/// <seealso cref="Load(IResource, string)"/>
 		Task<T> Load<T, T2>([NotNull] T obj, Expression<Func<T, ICollection<T2>>> member)
 			where T : class, IResource
 			where T2 : class, new();
@@ -265,6 +257,9 @@ namespace Kyoo.Controllers
 		/// <param name="memberName">The name of the resource to load (case sensitive)</param>
 		/// <typeparam name="T">The type of the source object</typeparam>
 		/// <returns>The param <see cref="obj"/></returns>
+		/// <seealso cref="Load{T,T2}(T,System.Linq.Expressions.Expression{System.Func{T,T2}})"/>
+		/// <seealso cref="Load{T,T2}(T,System.Linq.Expressions.Expression{System.Func{T,System.Collections.Generic.ICollection{T2}}})"/>
+		/// <seealso cref="Load(IResource, string)"/>
 		Task<T> Load<T>([NotNull] T obj, string memberName)
 			where T : class, IResource;
 
@@ -273,6 +268,9 @@ namespace Kyoo.Controllers
 		/// </summary>
 		/// <param name="obj">The source object.</param>
 		/// <param name="memberName">The name of the resource to load (case sensitive)</param>
+		/// <seealso cref="Load{T,T2}(T,System.Linq.Expressions.Expression{System.Func{T,T2}})"/>
+		/// <seealso cref="Load{T,T2}(T,System.Linq.Expressions.Expression{System.Func{T,System.Collections.Generic.ICollection{T2}}})"/>
+		/// <seealso cref="Load{T}(T, System.String)"/>
 		Task Load([NotNull] IResource obj, string memberName);
 		
 		/// <summary>

Kyoo.Common/Controllers/IMetadataProvider.cs

@@ -16,6 +16,6 @@ namespace Kyoo.Controllers
 
 		Task<Season> GetSeason(Show show, int seasonNumber);
 
-		Task<Episode> GetEpisode(Show show, int seasonNumber, int episodeNumber, int absoluteNumber);
+		Task<Episode> GetEpisode(Show show, int? seasonNumber, int? episodeNumber, int? absoluteNumber);
 	}
 }

Kyoo.Common/Controllers/IProviderManager.cs

@@ -11,7 +11,7 @@ namespace Kyoo.Controllers
 		Task<Show> SearchShow(string showName, bool isMovie, Library library);
 		Task<IEnumerable<Show>> SearchShows(string showName, bool isMovie, Library library);
 		Task<Season> GetSeason(Show show, int seasonNumber, Library library);
-		Task<Episode> GetEpisode(Show show, string episodePath, int seasonNumber, int episodeNumber, int absoluteNumber, Library library);
+		Task<Episode> GetEpisode(Show show, string episodePath, int? seasonNumber, int? episodeNumber, int? absoluteNumber, Library library);
 		Task<ICollection<PeopleRole>> GetPeople(Show show, Library library);
 	}
 }

Kyoo.Common/Controllers/IRepository.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Linq.Expressions;
 using System.Runtime.InteropServices;
 using System.Threading.Tasks;
@@ -244,47 +243,11 @@ namespace Kyoo.Controllers
 		Task Delete([NotNull] T obj);
 		
 		/// <summary>
-		/// Delete a list of resources.
+		/// Delete all resources that match the predicate.
-		/// </summary>
-		/// <param name="objs">One or multiple resources to delete</param>
-		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		Task DeleteRange(params T[] objs) => DeleteRange(objs.AsEnumerable());
-		/// <summary>
-		/// Delete a list of resources.
-		/// </summary>
-		/// <param name="objs">An enumerable of resources to delete</param>
-		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		Task DeleteRange(IEnumerable<T> objs);
-		/// <summary>
-		/// Delete a list of resources.
-		/// </summary>
-		/// <param name="ids">One or multiple resource's id</param>
-		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		Task DeleteRange(params int[] ids) => DeleteRange(ids.AsEnumerable());
-		/// <summary>
-		/// Delete a list of resources.
-		/// </summary>
-		/// <param name="ids">An enumerable of resource's id</param>
-		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		Task DeleteRange(IEnumerable<int> ids);
-		/// <summary>
-		/// Delete a list of resources.
-		/// </summary>
-		/// <param name="slugs">One or multiple resource's slug</param>
-		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		Task DeleteRange(params string[] slugs) => DeleteRange(slugs.AsEnumerable());
-		/// <summary>
-		/// Delete a list of resources.
-		/// </summary>
-		/// <param name="slugs">An enumerable of resource's slug</param>
-		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		Task DeleteRange(IEnumerable<string> slugs);
-		/// <summary>
-		/// Delete a list of resources.
 		/// </summary>
 		/// <param name="where">A predicate to filter resources to delete. Every resource that match this will be deleted.</param>
 		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		Task DeleteRange([NotNull] Expression<Func<T, bool>> where);
+		Task DeleteAll([NotNull] Expression<Func<T, bool>> where);
 	}
 
 	/// <summary>
@@ -412,25 +375,7 @@ namespace Kyoo.Controllers
 	/// <summary>
 	/// A repository to handle tracks
 	/// </summary>
-	public interface ITrackRepository : IRepository<Track>
+	public interface ITrackRepository : IRepository<Track> { }
-	{
-		/// <summary>
-		/// Get a track from it's slug and it's type.
-		/// </summary>
-		/// <param name="slug">The slug of the track</param>
-		/// <param name="type">The type (Video, Audio or Subtitle)</param>
-		/// <exception cref="ItemNotFoundException">If the item is not found</exception>
-		/// <returns>The track found</returns>
-		Task<Track> Get(string slug, StreamType type = StreamType.Unknown);
-		
-		/// <summary>
-		/// Get a track from it's slug and it's type or null if it is not found.
-		/// </summary>
-		/// <param name="slug">The slug of the track</param>
-		/// <param name="type">The type (Video, Audio or Subtitle)</param>
-		/// <returns>The track found</returns>
-		Task<Track> GetOrDefault(string slug, StreamType type = StreamType.Unknown);
-	}
 	
 	/// <summary>
 	/// A repository to handle libraries.
@@ -631,10 +576,12 @@ namespace Kyoo.Controllers
 		/// <param name="where">A predicate to add arbitrary filter</param>
 		/// <param name="sort">Sort information (sort order & sort by)</param>
 		/// <param name="limit">Pagination information (where to start and how many to get)</param>
+		/// <typeparam name="T">The type of metadata to retrieve</typeparam>
 		/// <returns>A filtered list of external ids.</returns>
-		Task<ICollection<MetadataID>> GetMetadataID(Expression<Func<MetadataID, bool>> where = null, 
+		Task<ICollection<MetadataID<T>>> GetMetadataID<T>(Expression<Func<MetadataID<T>, bool>> where = null, 
-			Sort<MetadataID> sort = default,
+			Sort<MetadataID<T>> sort = default,
-			Pagination limit = default);
+			Pagination limit = default)
+			where T : class, IResource;
 
 		/// <summary>
 		/// Get a list of external ids that match all filters
@@ -643,10 +590,11 @@ namespace Kyoo.Controllers
 		/// <param name="sort">A sort by expression</param>
 		/// <param name="limit">Pagination information (where to start and how many to get)</param>
 		/// <returns>A filtered list of external ids.</returns>
-		Task<ICollection<MetadataID>> GetMetadataID([Optional] Expression<Func<MetadataID, bool>> where,
+		Task<ICollection<MetadataID<T>>> GetMetadataID<T>([Optional] Expression<Func<MetadataID<T>, bool>> where,
-			Expression<Func<MetadataID, object>> sort,
+			Expression<Func<MetadataID<T>, object>> sort,
 			Pagination limit = default
-		) => GetMetadataID(where, new Sort<MetadataID>(sort), limit);
+		) where T : class, IResource
+			=> GetMetadataID(where, new Sort<MetadataID<T>>(sort), limit);
 	}
 	
 	/// <summary>

Kyoo.Common/Controllers/Implementations/LibraryManager.cs

@@ -37,6 +37,8 @@ namespace Kyoo.Controllers
 		public IGenreRepository GenreRepository { get; }
 		/// <inheritdoc />
 		public IProviderRepository ProviderRepository { get; }
+		/// <inheritdoc />
+		public IUserRepository UserRepository { get; }
 		
 		
 		/// <summary>
@@ -58,6 +60,7 @@ namespace Kyoo.Controllers
 			StudioRepository = GetRepository<Studio>() as IStudioRepository;
 			GenreRepository = GetRepository<Genre>() as IGenreRepository;
 			ProviderRepository = GetRepository<Provider>() as IProviderRepository;
+			UserRepository = GetRepository<User>() as IUserRepository;
 		}
 
 		/// <inheritdoc />
@@ -114,12 +117,6 @@ namespace Kyoo.Controllers
 			return EpisodeRepository.Get(showSlug, seasonNumber, episodeNumber);
 		}
 
-		/// <inheritdoc />
-		public Task<Track> Get(string slug, StreamType type = StreamType.Unknown)
-		{
-			return TrackRepository.Get(slug, type);
-		}
-
 		/// <inheritdoc />
 		public async Task<T> GetOrDefault<T>(int id) 
 			where T : class, IResource
@@ -165,12 +162,6 @@ namespace Kyoo.Controllers
 			return await EpisodeRepository.GetOrDefault(showSlug, seasonNumber, episodeNumber);
 		}
 
-		/// <inheritdoc />
-		public async Task<Track> GetOrDefault(string slug, StreamType type = StreamType.Unknown)
-		{
-			return await TrackRepository.GetOrDefault(slug, type);
-		}
-		
 		/// <inheritdoc />
 		public Task<T> Load<T, T2>(T obj, Expression<Func<T, T2>> member)
 			where T : class, IResource
@@ -250,9 +241,9 @@ namespace Kyoo.Controllers
 				
 				
 				(Show s, nameof(Show.ExternalIDs)) => SetRelation(s, 
-					ProviderRepository.GetMetadataID(x => x.ShowID == obj.ID),
+					ProviderRepository.GetMetadataID<Show>(x => x.FirstID == obj.ID),
 					(x, y) => x.ExternalIDs = y,
-					(x, y) => { x.Show = y; x.ShowID = y.ID; }),
+					(x, y) => { x.First = y; x.FirstID = y.ID; }),
 				
 				(Show s, nameof(Show.Genres)) => GenreRepository
 					.GetAll(x => x.Shows.Any(y => y.ID == obj.ID))
@@ -290,9 +281,9 @@ namespace Kyoo.Controllers
 				
 				
 				(Season s, nameof(Season.ExternalIDs)) => SetRelation(s, 
-					ProviderRepository.GetMetadataID(x => x.SeasonID == obj.ID),
+					ProviderRepository.GetMetadataID<Season>(x => x.FirstID == obj.ID),
 					(x, y) => x.ExternalIDs = y,
-					(x, y) => { x.Season = y; x.SeasonID = y.ID; }),
+					(x, y) => { x.First = y; x.FirstID = y.ID; }),
 				
 				(Season s, nameof(Season.Episodes)) => SetRelation(s, 
 					EpisodeRepository.GetAll(x => x.Season.ID == obj.ID),
@@ -309,9 +300,9 @@ namespace Kyoo.Controllers
 				
 				
 				(Episode e, nameof(Episode.ExternalIDs)) => SetRelation(e, 
-					ProviderRepository.GetMetadataID(x => x.EpisodeID == obj.ID), 
+					ProviderRepository.GetMetadataID<Episode>(x => x.FirstID == obj.ID), 
 					(x, y) => x.ExternalIDs = y,
-					(x, y) => { x.Episode = y; x.EpisodeID = y.ID; }),
+					(x, y) => { x.First = y; x.FirstID = y.ID; }),
 				
 				(Episode e, nameof(Episode.Tracks)) => SetRelation(e, 
 					TrackRepository.GetAll(x => x.Episode.ID == obj.ID),
@@ -355,9 +346,9 @@ namespace Kyoo.Controllers
 				
 				
 				(People p, nameof(People.ExternalIDs)) => SetRelation(p, 
-					ProviderRepository.GetMetadataID(x => x.PeopleID == obj.ID),
+					ProviderRepository.GetMetadataID<People>(x => x.FirstID == obj.ID),
 					(x, y) => x.ExternalIDs = y,
-					(x, y) => { x.People = y; x.PeopleID = y.ID; }),
+					(x, y) => { x.First = y; x.FirstID = y.ID; }),
 				
 				(People p, nameof(People.Roles)) => PeopleRepository
 					.GetFromPeople(obj.ID)

Kyoo.Common/Models/Attributes/ComputedAttribute.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Kyoo.Models.Attributes
+{
+	/// <summary>
+	/// An attribute to inform that the property is computed automatically and can't be assigned manually.
+	/// </summary>
+	[AttributeUsage(AttributeTargets.Property)]
+	public class ComputedAttribute : NotMergeableAttribute { }
+}

Kyoo.Common/Models/Attributes/InjectedAttribute.cs

@@ -8,7 +8,8 @@ namespace Kyoo.Models.Attributes
 	/// An attribute to inform that the service will be injected automatically by a service provider.
 	/// </summary>
 	/// <remarks>
-	/// It should only be used on <see cref="ITask"/> and will be injected before calling <see cref="ITask.Run"/>
+	/// It should only be used on <see cref="ITask"/> and will be injected before calling <see cref="ITask.Run"/>.
+	/// It can also be used on <see cref="IPlugin"/> and it will be injected before calling <see cref="IPlugin.ConfigureAspNet"/>.
 	/// </remarks>
 	[AttributeUsage(AttributeTargets.Property)]
 	[MeansImplicitUse(ImplicitUseKindFlags.Assign)]

Kyoo.Common/Models/Attributes/LinkAttribute.cs

@@ -0,0 +1,13 @@
+using System;
+using JetBrains.Annotations;
+using Kyoo.Models.Attributes;
+
+namespace Kyoo.Common.Models.Attributes
+{
+	/// <summary>
+	/// An attribute to mark Link properties on resource. 
+	/// </summary>
+	[AttributeUsage(AttributeTargets.Property)]
+	[MeansImplicitUse]
+	public class LinkAttribute : SerializeIgnoreAttribute { }
+}

Kyoo.Common/Models/Attributes/RelationAttributes.cs

@@ -1,17 +1,34 @@
 using System;
+using Kyoo.Controllers;
 
 namespace Kyoo.Models.Attributes
 {
-	[AttributeUsage(AttributeTargets.Property, Inherited = false)]
+	/// <summary>
+	/// The targeted relation can be edited via calls to the repository's <see cref="IRepository{T}.Edit"/> method.
+	/// </summary>
+	[AttributeUsage(AttributeTargets.Property)]
 	public class EditableRelationAttribute : Attribute { }
 
+	/// <summary>
+	/// The targeted relation can be loaded via a call to <see cref="ILibraryManager.Load"/>.
+	/// </summary>
 	[AttributeUsage(AttributeTargets.Property)]
 	public class LoadableRelationAttribute : Attribute
 	{
+		/// <summary>
+		/// The name of the field containing the related resource's ID.
+		/// </summary>
 		public string RelationID { get; }
 		
+		/// <summary>
+		/// Create a new <see cref="LoadableRelationAttribute"/>.
+		/// </summary>
 		public LoadableRelationAttribute() {}
 
+		/// <summary>
+		/// Create a new <see cref="LoadableRelationAttribute"/> with a baking relationID field.
+		/// </summary>
+		/// <param name="relationID">The name of the RelationID field.</param>
 		public LoadableRelationAttribute(string relationID)
 		{
 			RelationID = relationID;

Kyoo.Common/Models/Attributes/SerializeAttribute.cs

@@ -2,17 +2,41 @@ using System;
 
 namespace Kyoo.Models.Attributes
 {
+	/// <summary>
+	/// Remove an property from the serialization pipeline. It will simply be skipped. 
+	/// </summary>
 	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field)]
 	public class SerializeIgnoreAttribute : Attribute {}
 	
+	/// <summary>
+	/// Remove a property from the deserialization pipeline. The user can't input value for this property.
+	/// </summary>
 	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field)]
 	public class DeserializeIgnoreAttribute : Attribute {}
 
+	/// <summary>
+	/// Change the way the field is serialized. It allow one to use a string format like formatting instead of the default value.
+	/// This can be disabled for a request by setting the "internal" query string parameter to true.
+	/// </summary>
 	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field)]
 	public class SerializeAsAttribute : Attribute
 	{
+		/// <summary>
+		/// The format string to use.
+		/// </summary>
 		public string Format { get; }
 		
+		/// <summary>
+		/// Create a new <see cref="SerializeAsAttribute"/> with the selected format.
+		/// </summary>
+		/// <remarks>
+		/// The format string can contains any property within {}. It will be replaced by the actual value of the property.
+		/// You can also use the special value {HOST} that will put the webhost address.
+		/// </remarks>
+		/// <example>
+		/// The show's poster serialized uses this format string: <code>{HOST}/api/shows/{Slug}/poster</code>
+		/// </example>
+		/// <param name="format">The format to use</param>
 		public SerializeAsAttribute(string format)
 		{
 			Format = format;

Kyoo.Common/Models/Chapter.cs

@@ -0,0 +1,38 @@
+namespace Kyoo.Models
+{
+	/// <summary>
+	/// A chapter to split an episode in multiple parts.
+	/// </summary>
+	public class Chapter
+	{
+		/// <summary>
+		/// The start time of the chapter (in second from the start of the episode).
+		/// </summary>
+		public float StartTime { get; set; }
+		
+		/// <summary>
+		/// The end time of the chapter (in second from the start of the episode)&.
+		/// </summary>
+		public float EndTime { get; set; }
+		
+		/// <summary>
+		/// The name of this chapter. This should be a human-readable name that could be presented to the user.
+		/// There should be well-known chapters name for commonly used chapters.
+		/// For example, use "Opening" for the introduction-song and "Credits" for the end chapter with credits.  
+		/// </summary>
+		public string Name { get; set; }
+
+		/// <summary>
+		/// Create a new <see cref="Chapter"/>.
+		/// </summary>
+		/// <param name="startTime">The start time of the chapter (in second)</param>
+		/// <param name="endTime">The end time of the chapter (in second)</param>
+		/// <param name="name">The name of this chapter</param>
+		public Chapter(float startTime, float endTime, string name)
+		{
+			StartTime = startTime;
+			EndTime = endTime;
+			Name = name;
+		}
+	}
+}

Kyoo.Common/Models/LibraryItem.cs

@@ -1,10 +1,12 @@
 using System;
 using System.Linq.Expressions;
-using JetBrains.Annotations;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// The type of item, ether a show, a movie or a collection.
+	/// </summary>
 	public enum ItemType
 	{
 		Show,
@@ -12,22 +14,67 @@ namespace Kyoo.Models
 		Collection
 	}
 	
+	/// <summary>
+	/// A type union between <see cref="Show"/> and <see cref="Collection"/>.
+	/// This is used to list content put inside a library.
+	/// </summary>
 	public class LibraryItem : IResource
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
+		
+		/// <inheritdoc />
 		public string Slug { get; set; }
+		
+		/// <summary>
+		/// The title of the show or collection.
+		/// </summary>
 		public string Title { get; set; }
+		
+		/// <summary>
+		/// The summary of the show or collection.
+		/// </summary>
 		public string Overview { get; set; }
+		
+		/// <summary>
+		/// Is this show airing, not aired yet or finished? This is only applicable for shows.
+		/// </summary>
 		public Status? Status { get; set; }
-		public string TrailerUrl { get; set; }
+		
-		public int? StartYear { get; set; }
+		/// <summary>
-		public int? EndYear { get; set; }
+		/// The date this show or collection started airing. It can be null if this is unknown. 
-		[SerializeAs("{HOST}/api/{_type}/{Slug}/poster")] public string Poster { get; set; }
+		/// </summary>
-		[UsedImplicitly] private string _type => Type == ItemType.Collection ? "collection" : "show";
+		public DateTime? StartAir { get; set; }
+		
+		/// <summary>
+		/// The date this show or collection finished airing.
+		/// It must be after the <see cref="StartAir"/> but can be the same (example: for movies).
+		/// It can also be null if this is unknown.
+		/// </summary>
+		public DateTime? EndAir { get; set; }
+		
+		/// <summary>
+		/// The path of this item's poster.
+		/// By default, the http path for this poster is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
+		[SerializeAs("{HOST}/api/{Type}/{Slug}/poster")] public string Poster { get; set; }
+		
+		/// <summary>
+		/// The type of this item (ether a collection, a show or a movie).
+		/// </summary>
 		public ItemType Type { get; set; }
 		
+		
+		/// <summary>
+		/// Create a new, empty <see cref="LibraryItem"/>.
+		/// </summary>
 		public LibraryItem() {}
 
+		/// <summary>
+		/// Create a <see cref="LibraryItem"/> from a show.
+		/// </summary>
+		/// <param name="show">The show that this library item should represent.</param>
 		public LibraryItem(Show show)
 		{
 			ID = show.ID;
@@ -35,13 +82,16 @@ namespace Kyoo.Models
 			Title = show.Title;
 			Overview = show.Overview;
 			Status = show.Status;
-			TrailerUrl = show.TrailerUrl;
+			StartAir = show.StartAir;
-			StartYear = show.StartYear;
+			EndAir = show.EndAir;
-			EndYear = show.EndYear;
 			Poster = show.Poster;
 			Type = show.IsMovie ? ItemType.Movie : ItemType.Show;
 		}
 		
+		/// <summary>
+		/// Create a <see cref="LibraryItem"/> from a collection
+		/// </summary>
+		/// <param name="collection">The collection that this library item should represent.</param>
 		public LibraryItem(Collection collection)
 		{
 			ID = -collection.ID;
@@ -49,13 +99,15 @@ namespace Kyoo.Models
 			Title = collection.Name;
 			Overview = collection.Overview;
 			Status = Models.Status.Unknown;
-			TrailerUrl = null;
+			StartAir = null;
-			StartYear = null;
+			EndAir = null;
-			EndYear = null;
 			Poster = collection.Poster;
 			Type = ItemType.Collection;
 		}
 
+		/// <summary>
+		/// An expression to create a <see cref="LibraryItem"/> representing a show.
+		/// </summary>
 		public static Expression<Func<Show, LibraryItem>> FromShow => x => new LibraryItem
 		{
 			ID = x.ID,
@@ -63,13 +115,15 @@ namespace Kyoo.Models
 			Title = x.Title,
 			Overview = x.Overview,
 			Status = x.Status,
-			TrailerUrl = x.TrailerUrl,
+			StartAir = x.StartAir,
-			StartYear = x.StartYear,
+			EndAir = x.EndAir,
-			EndYear = x.EndYear,
 			Poster= x.Poster,
 			Type = x.IsMovie ? ItemType.Movie : ItemType.Show
 		};
 		
+		/// <summary>
+		/// An expression to create a <see cref="LibraryItem"/> representing a collection.
+		/// </summary>
 		public static Expression<Func<Collection, LibraryItem>> FromCollection => x => new LibraryItem
 		{
 			ID = -x.ID,
@@ -77,10 +131,9 @@ namespace Kyoo.Models
 			Title = x.Name,
 			Overview = x.Overview,
 			Status = Models.Status.Unknown,
-			TrailerUrl = null,
+			StartAir = null,
-			StartYear = null,
+			EndAir = null,
-			EndYear = null,
+			Poster = x.Poster,
-			Poster= x.Poster,
 			Type = ItemType.Collection
 		};
 	}

Kyoo.Common/Models/Link.cs

@@ -1,33 +1,64 @@
 using System;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq.Expressions;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A class representing a link between two resources.
+	/// </summary>
+	/// <remarks>
+	/// Links should only be used on the data layer and not on other application code.
+	/// </remarks>
 	public class Link
 	{
+		/// <summary>
+		/// The ID of the first item of the link.
+		/// The first item of the link should be the one to own the link.
+		/// </summary>
 		public int FirstID { get; set; }
+		
+		/// <summary>
+		/// The ID of the second item of this link
+		/// The second item of the link should be the owned resource.
+		/// </summary>
 		public int SecondID { get; set; }
 		
+		/// <summary>
+		/// Create a new typeless <see cref="Link"/>.
+		/// </summary>
 		public Link() {}
 
+		/// <summary>
+		/// Create a new typeless <see cref="Link"/> with two IDs.
+		/// </summary>
+		/// <param name="firstID">The ID of the first resource</param>
+		/// <param name="secondID">The ID of the second resource</param>
 		public Link(int firstID, int secondID)
 		{
 			FirstID = firstID;
 			SecondID = secondID;
 		}
 		
+		/// <summary>
+		/// Create a new typeless <see cref="Link"/> between two resources.
+		/// </summary>
+		/// <param name="first">The first resource</param>
+		/// <param name="second">The second resource</param>
 		public Link(IResource first, IResource second)
 		{
 			FirstID = first.ID;
 			SecondID = second.ID;
 		}
 
-		public static Link Create(IResource first, IResource second)
+		/// <summary>
-		{
+		/// Create a new typed link between two resources.
-			return new(first, second);
+		/// This method can be used instead of the constructor to make use of generic parameters deduction.
-		}
+		/// </summary>
-		
+		/// <param name="first">The first resource</param>
+		/// <param name="second">The second resource</param>
+		/// <typeparam name="T">The type of the first resource</typeparam>
+		/// <typeparam name="T2">The type of the second resource</typeparam>
+		/// <returns>A newly created typed link with both resources</returns>
 		public static Link<T, T2> Create<T, T2>(T first, T2 second)
 			where T : class, IResource
 			where T2 : class, IResource
@@ -35,6 +66,16 @@ namespace Kyoo.Models
 			return new(first, second);
 		}
 		
+		/// <summary>
+		/// Create a new typed link between two resources without storing references to resources.
+		/// This is the same as <see cref="Create{T,T2}"/> but this method does not set <see cref="Link{T1,T2}.First"/>
+		/// and <see cref="Link{T1,T2}.Second"/> fields. Only IDs are stored and not references.
+		/// </summary>
+		/// <param name="first">The first resource</param>
+		/// <param name="second">The second resource</param>
+		/// <typeparam name="T">The type of the first resource</typeparam>
+		/// <typeparam name="T2">The type of the second resource</typeparam>
+		/// <returns>A newly created typed link with both resources</returns>
 		public static Link<T, T2> UCreate<T, T2>(T first, T2 second)
 			where T : class, IResource
 			where T2 : class, IResource
@@ -42,6 +83,9 @@ namespace Kyoo.Models
 			return new(first, second, true);
 		}
 		
+		/// <summary>
+		/// The expression to retrieve the unique ID of a Link. This is an aggregate of the two resources IDs.
+		/// </summary>
 		public static Expression<Func<Link, object>> PrimaryKey
 		{
 			get
@@ -51,17 +95,41 @@ namespace Kyoo.Models
 		}
 	}
 	
+	/// <summary>
+	/// A strongly typed link between two resources.
+	/// </summary>
+	/// <typeparam name="T1">The type of the first resource</typeparam>
+	/// <typeparam name="T2">The type of the second resource</typeparam>
 	public class Link<T1, T2> : Link
 		where T1 : class, IResource
 		where T2 : class, IResource
 	{
-		public virtual T1 First { get; set; }
+		/// <summary>
-		public virtual T2 Second { get; set; }
+		/// A reference of the first resource.
+		/// </summary>
+		public T1 First { get; set; }
+		
+		/// <summary>
+		/// A reference to the second resource.
+		/// </summary>
+		public T2 Second { get; set; }
 		
 		
+		/// <summary>
+		/// Create a new, empty, typed <see cref="Link{T1,T2}"/>.
+		/// </summary>
 		public Link() {}
 		
-		[SuppressMessage("ReSharper", "VirtualMemberCallInConstructor")]
+		
+		/// <summary>
+		/// Create a new typed link with two resources.
+		/// </summary>
+		/// <param name="first">The first resource</param>
+		/// <param name="second">The second resource</param>
+		/// <param name="privateItems">
+		/// True if no reference to resources should be kept, false otherwise.
+		/// The default is false (references are kept).
+		/// </param>
 		public Link(T1 first, T2 second, bool privateItems = false)
 			: base(first, second)
 		{
@@ -71,10 +139,18 @@ namespace Kyoo.Models
 			Second = second;
 		}
 
+		/// <summary>
+		/// Create a new typed link with IDs only.
+		/// </summary>
+		/// <param name="firstID">The ID of the first resource</param>
+		/// <param name="secondID">The ID of the second resource</param>
 		public Link(int firstID, int secondID)
 			: base(firstID, secondID)
 		{ }
 
+		/// <summary>
+		/// The expression to retrieve the unique ID of a typed Link. This is an aggregate of the two resources IDs.
+		/// </summary>
 		public new static Expression<Func<Link<T1, T2>, object>> PrimaryKey
 		{
 			get

Kyoo.Common/Models/MetadataID.cs

@@ -1,26 +1,34 @@
-using Kyoo.Models.Attributes;
+using System;
+using System.Linq.Expressions;
 
 namespace Kyoo.Models
 {
-	public class MetadataID
+	/// <summary>
+	/// ID and link of an item on an external provider.
+	/// </summary>
+	/// <typeparam name="T"></typeparam>
+	public class MetadataID<T> : Link<T, Provider>
+		where T : class, IResource
 	{
-		[SerializeIgnore] public int ID { get; set; }
+		/// <summary>
-		[SerializeIgnore] public int ProviderID { get; set; }
+		/// The ID of the resource on the external provider.
-		public virtual Provider Provider {get; set; }
+		/// </summary>
-		
-		[SerializeIgnore] public int? ShowID { get; set; } 
-		[SerializeIgnore] public virtual Show Show { get; set; }
-		
-		[SerializeIgnore] public int? EpisodeID { get; set; } 
-		[SerializeIgnore] public virtual Episode Episode { get; set; }
-		
-		[SerializeIgnore] public int? SeasonID { get; set; } 
-		[SerializeIgnore] public virtual Season Season { get; set; }
-		
-		[SerializeIgnore] public int? PeopleID { get; set; } 
-		[SerializeIgnore] public virtual People People { get; set; }
-		
 		public string DataID { get; set; }
+		
+		/// <summary>
+		/// The URL of the resource on the external provider.
+		/// </summary>
 		public string Link { get; set; }
+		
+		/// <summary>
+		/// The expression to retrieve the unique ID of a MetadataID. This is an aggregate of the two resources IDs.
+		/// </summary>
+		public new static Expression<Func<MetadataID<T>, object>> PrimaryKey
+		{
+			get
+			{
+				return x => new {First = x.FirstID, Second = x.SecondID};
+			}	
+		}
 	}
 }

Kyoo.Common/Models/Page.cs

@@ -3,22 +3,45 @@ using System.Linq;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A page of resource that contains information about the pagination of resources.
+	/// </summary>
+	/// <typeparam name="T">The type of resource contained in this page.</typeparam>
 	public class Page<T> where T : IResource
 	{
-		public string This { get; set; }
+		/// <summary>
-		public string First { get; set; }
+		/// The link of the current page.
-		public string Next { get; set; }
+		/// </summary>
+		public string This { get; }
 		
+		/// <summary>
+		/// The link of the first page.
+		/// </summary>
+		public string First { get; }
+		
+		/// <summary>
+		/// The link of the next page.
+		/// </summary>
+		public string Next { get; }
+
+		/// <summary>
+		/// The number of items in the current page.
+		/// </summary>
 		public int Count => Items.Count;
-		public ICollection<T> Items { get; set; }
 		
-		public Page() { }
+		/// <summary>
+		/// The list of items in the page.
+		/// </summary>
+		public ICollection<T> Items { get; }
 		
-		public Page(ICollection<T> items)
-		{
-			Items = items;
-		}
 		
+		/// <summary>
+		/// Create a new <see cref="Page{T}"/>.
+		/// </summary>
+		/// <param name="items">The list of items in the page.</param>
+		/// <param name="this">The link of the current page.</param>
+		/// <param name="next">The link of the next page.</param>
+		/// <param name="first">The link of the first page.</param>
 		public Page(ICollection<T> items, string @this, string next, string first)
 		{
 			Items = items;
@@ -27,6 +50,13 @@ namespace Kyoo.Models
 			First = first;
 		}
 
+		/// <summary>
+		/// Create a new <see cref="Page{T}"/> and compute the urls.
+		/// </summary>
+		/// <param name="items">The list of items in the page.</param>
+		/// <param name="url">The base url of the resources available from this page.</param>
+		/// <param name="query">The list of query strings of the current page</param>
+		/// <param name="limit">The number of items requested for the current page.</param>
 		public Page(ICollection<T> items,
 			string url,
 			Dictionary<string, string> query,

Kyoo.Common/Models/PeopleRole.cs

@@ -1,17 +1,55 @@
-using Kyoo.Models.Attributes;
-
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A role a person played for a show. It can be an actor, musician, voice actor, director, writer...
+	/// </summary>
+	/// <remarks>
+	/// This class is not serialized like other classes.
+	/// Based on the <see cref="ForPeople"/> field, it is serialized like
+	/// a show with two extra fields (<see cref="Role"/> and <see cref="Type"/>). 
+	/// </remarks>
 	public class PeopleRole : IResource
 	{
-		[SerializeIgnore] public int ID { get; set; }
+		/// <inheritdoc />
-		[SerializeIgnore] public string Slug => ForPeople ? Show.Slug : People.Slug;
+		public int ID { get; set; }
-		[SerializeIgnore] public bool ForPeople;
+		
-		[SerializeIgnore] public int PeopleID { get; set; }
+		/// <inheritdoc />
-		[SerializeIgnore] public virtual People People { get; set; }
+		public string Slug => ForPeople ? Show.Slug : People.Slug;
-		[SerializeIgnore] public int ShowID { get; set; }
+		
-		[SerializeIgnore] public virtual Show Show { get; set; }
+		/// <summary>
-		public string Role { get; set; }
+		/// Should this role be used as a Show substitute (the value is <c>false</c>) or
+		/// as a People substitute (the value is <c>true</c>).
+		/// </summary>
+		public bool ForPeople { get; set; }
+
+		/// <summary>
+		/// The ID of the People playing the role.
+		/// </summary>
+		public int PeopleID { get; set; }
+		/// <summary>
+		/// The people that played this role.
+		/// </summary>
+		public People People { get; set; }
+		
+		/// <summary>
+		/// The ID of the Show where the People playing in.
+		/// </summary>
+		public int ShowID { get; set; }
+		/// <summary>
+		/// The show where the People played in.
+		/// </summary>
+		public Show Show { get; set; }
+		
+		/// <summary>
+		/// The type of work the person has done for the show.
+		/// That can be something like "Actor", "Writer", "Music", "Voice Actor"... 
+		/// </summary>
 		public string Type { get; set; }
+		
+		/// <summary>
+		/// The role the People played.
+		/// This is mostly used to inform witch character was played for actor and voice actors. 
+		/// </summary>
+		public string Role { get; set; }
 	}
 }

Kyoo.Common/Models/Resources/Collection.cs

@@ -1,31 +1,59 @@
 using System.Collections.Generic;
+using Kyoo.Common.Models.Attributes;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A class representing collections of <see cref="Show"/>.
+	/// A collection can also be stored in a <see cref="Library"/>.
+	/// </summary>
 	public class Collection : IResource
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
+		
+		/// <inheritdoc />
 		public string Slug { get; set; }
+		
+		/// <summary>
+		/// The name of this collection.
+		/// </summary>
 		public string Name { get; set; }
+		
+		/// <summary>
+		/// The path of this poster.
+		/// By default, the http path for this poster is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/collection/{Slug}/poster")] public string Poster { get; set; }
+		
+		/// <summary>
+		/// The description of this collection.
+		/// </summary>
 		public string Overview { get; set; }
-		[LoadableRelation] public virtual ICollection<Show> Shows { get; set; }
+		
-		[LoadableRelation] public virtual ICollection<Library> Libraries { get; set; }
+		/// <summary>
+		/// The list of shows contained in this collection.
+		/// </summary>
+		[LoadableRelation] public ICollection<Show> Shows { get; set; }
+		
+		/// <summary>
+		/// The list of libraries that contains this collection.
+		/// </summary>
+		[LoadableRelation] public ICollection<Library> Libraries { get; set; }
 
 #if ENABLE_INTERNAL_LINKS
-		[SerializeIgnore] public virtual ICollection<Link<Collection, Show>> ShowLinks { get; set; }
+		
-		[SerializeIgnore] public virtual ICollection<Link<Library, Collection>> LibraryLinks { get; set; }
+		/// <summary>
+		/// The internal link between this collection and shows in the <see cref="Shows"/> list.
+		/// </summary>
+		[Link] public ICollection<Link<Collection, Show>> ShowLinks { get; set; }
+		
+		/// <summary>
+		/// The internal link between this collection and libraries in the <see cref="Libraries"/> list.
+		/// </summary>
+		[Link] public ICollection<Link<Library, Collection>> LibraryLinks { get; set; }
 #endif
-		
-		public Collection() { }
-
-		public Collection(string slug, string name, string overview, string poster)
-		{
-			Slug = slug;
-			Name = name;
-			Overview = overview;
-			Poster = poster;
-		}
 	}
 }

Kyoo.Common/Models/Resources/Episode.cs

@@ -1,57 +1,166 @@
 using System;
 using System.Collections.Generic;
+using System.Text.RegularExpressions;
+using JetBrains.Annotations;
+using Kyoo.Controllers;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
-	public class Episode : IResource, IOnMerge
+	/// <summary>
+	/// A class to represent a single show's episode.
+	/// </summary>
+	public class Episode : IResource
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
-		public string Slug => GetSlug(ShowSlug, SeasonNumber, EpisodeNumber, AbsoluteNumber);
-		[SerializeIgnore] public string ShowSlug { private get; set; }
-		[SerializeIgnore] public int ShowID { get; set; }
-		[LoadableRelation(nameof(ShowID))] public virtual Show Show { get; set; }
-		[SerializeIgnore] public int? SeasonID { get; set; }
-		[LoadableRelation(nameof(SeasonID))] public virtual Season Season { get; set; }
 
-		public int SeasonNumber { get; set; } = -1;
+		/// <inheritdoc />
-		public int EpisodeNumber { get; set; } = -1;
+		[Computed] public string Slug
-		public int AbsoluteNumber { get; set; } = -1;
+		{
+			get
+			{
+				if (ShowSlug == null && Show == null)
+					return GetSlug(ShowID.ToString(), SeasonNumber, EpisodeNumber, AbsoluteNumber);
+				return GetSlug(ShowSlug ?? Show.Slug, SeasonNumber, EpisodeNumber, AbsoluteNumber);
+			}
+			[UsedImplicitly] [NotNull] private set
+			{
+				if (value == null)
+					throw new ArgumentNullException(nameof(value));
+				
+				Match match = Regex.Match(value, @"(?<show>.+)-s(?<season>\d+)e(?<episode>\d+)");
+
+				if (match.Success)
+				{
+					ShowSlug = match.Groups["show"].Value;
+					SeasonNumber = int.Parse(match.Groups["season"].Value);
+					EpisodeNumber = int.Parse(match.Groups["episode"].Value);
+				}
+				else
+				{
+					match = Regex.Match(value, @"(?<show>.+)-(?<absolute>\d+)");
+					if (match.Success)
+					{
+						ShowSlug = match.Groups["show"].Value;
+						AbsoluteNumber = int.Parse(match.Groups["absolute"].Value);
+					}
+					else
+						ShowSlug = value;
+					SeasonNumber = null;
+					EpisodeNumber = null;
+				}
+			}
+		}
+
+		/// <summary>
+		/// The slug of the Show that contain this episode. If this is not set, this episode is ill-formed.
+		/// </summary>
+		[SerializeIgnore] public string ShowSlug { private get; set; }
+		
+		/// <summary>
+		/// The ID of the Show containing this episode.
+		/// </summary>
+		[SerializeIgnore] public int ShowID { get; set; }
+		/// <summary>
+		/// The show that contains this episode. This must be explicitly loaded via a call to <see cref="ILibraryManager.Load"/>.
+		/// </summary>
+		[LoadableRelation(nameof(ShowID))] public Show Show { get; set; }
+		
+		/// <summary>
+		/// The ID of the Season containing this episode.
+		/// </summary>
+		[SerializeIgnore] public int? SeasonID { get; set; }
+		/// <summary>
+		/// The season that contains this episode. This must be explicitly loaded via a call to <see cref="ILibraryManager.Load"/>.
+		/// This can be null if the season is unknown and the episode is only identified by it's <see cref="AbsoluteNumber"/>.
+		/// </summary>
+		[LoadableRelation(nameof(SeasonID))] public Season Season { get; set; }
+
+		/// <summary>
+		/// The season in witch this episode is in.
+		/// </summary>
+		public int? SeasonNumber { get; set; }
+		
+		/// <summary>
+		/// The number of this episode is it's season.
+		/// </summary>
+		public int? EpisodeNumber { get; set; }
+		
+		/// <summary>
+		/// The absolute number of this episode. It's an episode number that is not reset to 1 after a new season.
+		/// </summary>
+		public int? AbsoluteNumber { get; set; }
+		
+		/// <summary>
+		/// The path of the video file for this episode. Any format supported by a <see cref="IFileManager"/> is allowed.
+		/// </summary>
 		[SerializeIgnore] public string Path { get; set; }
 
+		/// <summary>
+		/// The path of this episode's thumbnail.
+		/// By default, the http path for the thumbnail is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/episodes/{Slug}/thumb")] public string Thumb { get; set; }
+		
+		/// <summary>
+		/// The title of this episode.
+		/// </summary>
 		public string Title { get; set; }
+		
+		/// <summary>
+		/// The overview of this episode.
+		/// </summary>
 		public string Overview { get; set; }
+		
+		/// <summary>
+		/// The release date of this episode. It can be null if unknown.
+		/// </summary>
 		public DateTime? ReleaseDate { get; set; }
 
-		public int Runtime { get; set; } //This runtime variable should be in minutes
+		/// <summary>
+		/// The link to metadata providers that this episode has. See <see cref="MetadataID{T}"/> for more information.
+		/// </summary>
+		[EditableRelation] [LoadableRelation] public ICollection<MetadataID<Episode>> ExternalIDs { get; set; }
 
-		[EditableRelation] [LoadableRelation] public virtual ICollection<MetadataID> ExternalIDs { get; set; }
+		/// <summary>
-
+		/// The list of tracks this episode has. This lists video, audio and subtitles available.
-		[EditableRelation] [LoadableRelation] public virtual ICollection<Track> Tracks { get; set; }
+		/// </summary>
+		[EditableRelation] [LoadableRelation] public ICollection<Track> Tracks { get; set; }
 		
 
-		public static string GetSlug(string showSlug, int seasonNumber, int episodeNumber, int absoluteNumber)
+		/// <summary>
+		/// Get the slug of an episode.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show. It can't be null.</param>
+		/// <param name="seasonNumber">
+		/// The season in which the episode is.
+		/// If this is a movie or if the episode should be referred by it's absolute number, set this to null.
+		/// </param>
+		/// <param name="episodeNumber">
+		/// The number of the episode in it's season.
+		/// If this is a movie or if the episode should be referred by it's absolute number, set this to null.
+		/// </param>
+		/// <param name="absoluteNumber">
+		/// The absolute number of this show.
+		/// If you don't know it or this is a movie, use null
+		/// </param>
+		/// <returns>The slug corresponding to the given arguments</returns>
+		/// <exception cref="ArgumentNullException">The given show slug was null.</exception>
+		public static string GetSlug([NotNull] string showSlug, 
+			int? seasonNumber, 
+			int? episodeNumber,
+			int? absoluteNumber = null)
 		{
 			if (showSlug == null)
-				throw new ArgumentException("Show's slug is null. Can't find episode's slug.");
+				throw new ArgumentNullException(nameof(showSlug));
 			return seasonNumber switch
 			{
-				-1 when absoluteNumber == -1 => showSlug,
+				null when absoluteNumber == null => showSlug,
-				-1 => $"{showSlug}-{absoluteNumber}",
+				null => $"{showSlug}-{absoluteNumber}",
 				_ => $"{showSlug}-s{seasonNumber}e{episodeNumber}"
 			};
 		}
-
-		public void OnMerge(object merged)
-		{
-			Episode other = (Episode)merged;
-			if (SeasonNumber == -1 && other.SeasonNumber != -1)
-				SeasonNumber = other.SeasonNumber;
-			if (EpisodeNumber == -1 && other.EpisodeNumber != -1)
-				EpisodeNumber = other.EpisodeNumber;
-			if (AbsoluteNumber == -1 && other.AbsoluteNumber != -1)
-				AbsoluteNumber = other.AbsoluteNumber;
-		}
 	}
 }

Kyoo.Common/Models/Resources/Genre.cs

@@ -1,40 +1,51 @@
 using System.Collections.Generic;
+using Kyoo.Common.Models.Attributes;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A genre that allow one to specify categories for shows.
+	/// </summary>
 	public class Genre : IResource
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
+		
+		/// <inheritdoc />
 		public string Slug { get; set; }
+		
+		/// <summary>
+		/// The name of this genre.
+		/// </summary>
 		public string Name { get; set; }
 		
-		[LoadableRelation] public virtual ICollection<Show> Shows { get; set; }
+		/// <summary>
+		/// The list of shows that have this genre.
+		/// </summary>
+		[LoadableRelation] public ICollection<Show> Shows { get; set; }
 		
 #if ENABLE_INTERNAL_LINKS
-		[SerializeIgnore] public virtual ICollection<Link<Show, Genre>> ShowLinks { get; set; }
+		/// <summary>
+		/// The internal link between this genre and shows in the <see cref="Shows"/> list.
+		/// </summary>
+		[Link] public ICollection<Link<Show, Genre>> ShowLinks { get; set; }
 #endif
 		
-		
+		/// <summary>
+		/// Create a new, empty <see cref="Genre"/>.
+		/// </summary>
 		public Genre() {}
 		
+		/// <summary>
+		/// Create a new <see cref="Genre"/> and specify it's <see cref="Name"/>.
+		/// The <see cref="Slug"/> is automatically calculated from it's name.  
+		/// </summary>
+		/// <param name="name">The name of this genre.</param>
 		public Genre(string name)
 		{
 			Slug = Utility.ToSlug(name);
 			Name = name;
 		}
-		
-		public Genre(string slug, string name)
-		{
-			Slug = slug;
-			Name = name;
-		}
-
-		public Genre(int id, string slug, string name)
-		{
-			ID = id;
-			Slug = slug;
-			Name = name;
-		}
 	}
 }

Kyoo.Common/Models/Resources/IResource.cs

@@ -1,3 +1,5 @@
+using Kyoo.Controllers;
+
 namespace Kyoo.Models
 {
 	/// <summary>
@@ -8,6 +10,10 @@ namespace Kyoo.Models
 		/// <summary>
 		/// A unique ID for this type of resource. This can't be changed and duplicates are not allowed.
 		/// </summary>
+		/// <remarks>
+		/// You don't need to specify an ID manually when creating a new resource,
+		/// this field is automatically assigned by the <see cref="IRepository{T}"/>. 
+		/// </remarks>
 		public int ID { get; set; }
 		
 		/// <summary>

Kyoo.Common/Models/Resources/Library.cs

@@ -1,24 +1,60 @@
 using System.Collections.Generic;
+using Kyoo.Common.Models.Attributes;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A library containing <see cref="Show"/> and <see cref="Collection"/>.
+	/// </summary>
 	public class Library : IResource
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
+		
+		/// <inheritdoc />
 		public string Slug { get; set; }
+		
+		/// <summary>
+		/// The name of this library.
+		/// </summary>
 		public string Name { get; set; }
+		
+		/// <summary>
+		/// The list of paths that this library is responsible for. This is mainly used by the Scan task.
+		/// </summary>
 		public string[] Paths { get; set; }
 
-		[EditableRelation] [LoadableRelation] public virtual ICollection<Provider> Providers { get; set; }
+		/// <summary>
+		/// The list of <see cref="Provider"/> used for items in this library.
+		/// </summary>
+		[EditableRelation] [LoadableRelation] public ICollection<Provider> Providers { get; set; }
 
-		[LoadableRelation] public virtual ICollection<Show> Shows { get; set; }
+		/// <summary>
-		[LoadableRelation] public virtual ICollection<Collection> Collections { get; set; }
+		/// The list of shows in this library.
+		/// </summary>
+		[LoadableRelation] public ICollection<Show> Shows { get; set; }
+		
+		/// <summary>
+		/// The list of collections in this library.
+		/// </summary>
+		[LoadableRelation] public ICollection<Collection> Collections { get; set; }
 
 #if ENABLE_INTERNAL_LINKS
-		[SerializeIgnore] public virtual ICollection<Link<Library, Provider>> ProviderLinks { get; set; }
+		/// <summary>
-		[SerializeIgnore] public virtual ICollection<Link<Library, Show>> ShowLinks { get; set; }
+		/// The internal link between this library and provider in the <see cref="Providers"/> list.
-		[SerializeIgnore] public virtual ICollection<Link<Library, Collection>> CollectionLinks { get; set; }
+		/// </summary>
+		[Link] public ICollection<Link<Library, Provider>> ProviderLinks { get; set; }
+		
+		/// <summary>
+		/// The internal link between this library and shows in the <see cref="Shows"/> list.
+		/// </summary>
+		[Link] public ICollection<Link<Library, Show>> ShowLinks { get; set; }
+		
+		/// <summary>
+		/// The internal link between this library and collection in the <see cref="Collections"/> list.
+		/// </summary>
+		[Link] public ICollection<Link<Library, Collection>> CollectionLinks { get; set; }
 #endif
 	}
 }

Kyoo.Common/Models/Resources/People.cs

@@ -3,14 +3,37 @@ using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// An actor, voice actor, writer, animator, somebody who worked on a <see cref="Show"/>. 
+	/// </summary>
 	public class People : IResource
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
-		public string Slug { get; set; }
-		public string Name { get; set; }
-		[SerializeAs("{HOST}/api/people/{Slug}/poster")] public string Poster { get; set; }
-		[EditableRelation] [LoadableRelation] public virtual ICollection<MetadataID> ExternalIDs { get; set; }
 		
-		[EditableRelation] [LoadableRelation] public virtual ICollection<PeopleRole> Roles { get; set; }
+		/// <inheritdoc />
+		public string Slug { get; set; }
+		
+		/// <summary>
+		/// The name of this person.
+		/// </summary>
+		public string Name { get; set; }
+		
+		/// <summary>
+		/// The path of this poster.
+		/// By default, the http path for this poster is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
+		[SerializeAs("{HOST}/api/people/{Slug}/poster")] public string Poster { get; set; }
+		
+		/// <summary>
+        /// The link to metadata providers that this person has. See <see cref="MetadataID{T}"/> for more information.
+        /// </summary>
+		[EditableRelation] [LoadableRelation] public ICollection<MetadataID<People>> ExternalIDs { get; set; }
+		
+		/// <summary>
+		/// The list of roles this person has played in. See <see cref="PeopleRole"/> for more information.
+		/// </summary>
+		[EditableRelation] [LoadableRelation] public ICollection<PeopleRole> Roles { get; set; }
 	}
 }

Kyoo.Common/Models/Resources/Provider.cs

@@ -1,37 +1,67 @@
 using System.Collections.Generic;
+using Kyoo.Common.Models.Attributes;
+using Kyoo.Controllers;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// This class contains metadata about <see cref="IMetadataProvider"/>.
+	/// You can have providers even if you don't have the corresponding <see cref="IMetadataProvider"/>.
+	/// </summary>
 	public class Provider : IResource
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
+		
+		/// <inheritdoc />
 		public string Slug { get; set; }
+		
+		/// <summary>
+		/// The name of this provider.
+		/// </summary>
 		public string Name { get; set; }
+		
+		/// <summary>
+		/// The path of this provider's logo.
+		/// By default, the http path for this logo is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/providers/{Slug}/logo")] public string Logo { get; set; }
+		
+		/// <summary>
+		/// The extension of the logo. This is used for http responses.
+		/// </summary>
 		[SerializeIgnore] public string LogoExtension { get; set; }
-		[LoadableRelation] public virtual ICollection<Library> Libraries { get; set; }
+		
+		/// <summary>
+		/// The list of libraries that uses this provider.
+		/// </summary>
+		[LoadableRelation] public ICollection<Library> Libraries { get; set; }
 		
 #if ENABLE_INTERNAL_LINKS
-		[SerializeIgnore] public virtual ICollection<Link<Library, Provider>> LibraryLinks { get; set; }
+		/// <summary>
-		[SerializeIgnore] public virtual ICollection<MetadataID> MetadataLinks { get; set; }
+		/// The internal link between this provider and libraries in the <see cref="Libraries"/> list.
+		/// </summary>
+		[Link] public ICollection<Link<Library, Provider>> LibraryLinks { get; set; }
 #endif
 		
+		/// <summary>
+		/// Create a new, default, <see cref="Provider"/>
+		/// </summary>
 		public Provider() { }
 
+		/// <summary>
+		/// Create a new <see cref="Provider"/> and specify it's <see cref="Name"/>.
+		/// The <see cref="Slug"/> is automatically calculated from it's name.  
+		/// </summary>
+		/// <param name="name">The name of this provider.</param>
+		/// <param name="logo">The logo of this provider.</param>
 		public Provider(string name, string logo)
 		{
 			Slug = Utility.ToSlug(name);
 			Name = name;
 			Logo = logo;
 		}
-		
-		public Provider(int id, string name, string logo)
-		{
-			ID = id;
-			Slug = Utility.ToSlug(name);
-			Name = name;
-			Logo = logo;
-		}
 	}
 }

Kyoo.Common/Models/Resources/Season.cs

@@ -1,25 +1,94 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+using JetBrains.Annotations;
+using Kyoo.Controllers;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A season of a <see cref="Show"/>. 
+	/// </summary>
 	public class Season : IResource
 	{
+		/// <inheritdoc />
 		public int ID  { get; set; }
-		public string Slug => $"{ShowSlug}-s{SeasonNumber}";
+
-		[SerializeIgnore] public int ShowID { get; set; }
+		/// <inheritdoc />
+		[Computed] public string Slug
+		{
+			get
+			{
+				if (ShowSlug == null && Show == null)
+					return $"{ShowID}-s{SeasonNumber}";
+				return $"{ShowSlug ?? Show?.Slug}-s{SeasonNumber}";
+			}
+			[UsedImplicitly] [NotNull] private set
+			{
+				Match match = Regex.Match(value ?? "", @"(?<show>.+)-s(?<season>\d+)");
+			
+				if (!match.Success)
+					throw new ArgumentException("Invalid season slug. Format: {showSlug}-s{seasonNumber}");
+				ShowSlug = match.Groups["show"].Value;
+				SeasonNumber = int.Parse(match.Groups["season"].Value);
+			}
+		}
+
+		/// <summary>
+		/// The slug of the Show that contain this episode. If this is not set, this season is ill-formed.
+		/// </summary>
 		[SerializeIgnore] public string ShowSlug { private get; set; }
-		[LoadableRelation(nameof(ShowID))] public virtual Show Show { get; set; }
 		
-		public int SeasonNumber { get; set; } = -1;
+		/// <summary>
+		/// The ID of the Show containing this season.
+		/// </summary>
+		[SerializeIgnore] public int ShowID { get; set; }
+		/// <summary>
+		/// The show that contains this season. This must be explicitly loaded via a call to <see cref="ILibraryManager.Load"/>.
+		/// </summary>
+		[LoadableRelation(nameof(ShowID))] public Show Show { get; set; }
 
+		/// <summary>
+		/// The number of this season. This can be set to 0 to indicate specials.
+		/// </summary>
+		public int SeasonNumber { get; set; }
+
+		/// <summary>
+		/// The title of this season.
+		/// </summary>
 		public string Title { get; set; }
+		
+		/// <summary>
+		/// A quick overview of this season.
+		/// </summary>
 		public string Overview { get; set; }
-		public int? Year { get; set; }
 		
+		/// <summary>
+		/// The starting air date of this season.
+		/// </summary>
+		public DateTime? StartDate { get; set; }
+		
+		/// <summary>
+		/// The ending date of this season.
+		/// </summary>
+		public DateTime? EndDate { get; set; }
+
+		/// <summary>
+		/// The path of this poster.
+		/// By default, the http path for this poster is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/seasons/{Slug}/thumb")] public string Poster { get; set; }
-		[EditableRelation] [LoadableRelation] public virtual ICollection<MetadataID> ExternalIDs { get; set; }
 		
-		[LoadableRelation] public virtual ICollection<Episode> Episodes { get; set; }
+		/// <summary>
+		/// The link to metadata providers that this episode has. See <see cref="MetadataID{T}"/> for more information.
+		/// </summary>
+		[EditableRelation] [LoadableRelation] public ICollection<MetadataID<Season>> ExternalIDs { get; set; }
+
+		/// <summary>
+		/// The list of episodes that this season contains.
+		/// </summary>
+		[LoadableRelation] public ICollection<Episode> Episodes { get; set; }
 	}
 }

Kyoo.Common/Models/Resources/Show.cs

@@ -1,57 +1,173 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
+using Kyoo.Common.Models.Attributes;
+using Kyoo.Controllers;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A series or a movie.
+	/// </summary>
 	public class Show : IResource, IOnMerge
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
+		
+		/// <inheritdoc />
 		public string Slug { get; set; }
+		
+		/// <summary>
+		/// The title of this show.
+		/// </summary>
 		public string Title { get; set; }
+		
+		/// <summary>
+		/// The list of alternative titles of this show.
+		/// </summary>
 		[EditableRelation] public string[] Aliases { get; set; }
+		
+		/// <summary>
+		/// The path of the root directory of this show.
+		/// This can be any kind of path supported by <see cref="IFileManager"/>
+		/// </summary>
 		[SerializeIgnore] public string Path { get; set; }
+		
+		/// <summary>
+		/// The summary of this show.
+		/// </summary>
 		public string Overview { get; set; }
+		
+		/// <summary>
+		/// Is this show airing, not aired yet or finished?
+		/// </summary>
 		public Status? Status { get; set; }
+		
+		/// <summary>
+		/// An URL to a trailer. This could be any path supported by the <see cref="IFileManager"/>.
+		/// </summary>
+		/// TODO for now, this is set to a youtube url. It should be cached and converted to a local file.
 		public string TrailerUrl { get; set; }
 		
-		public int? StartYear { get; set; }
+		/// <summary>
-		public int? EndYear { get; set; }
+		/// The date this show started airing. It can be null if this is unknown. 
+		/// </summary>
+		public DateTime? StartAir { get; set; }
 		
+		/// <summary>
+		/// The date this show finished airing.
+		/// It must be after the <see cref="StartAir"/> but can be the same (example: for movies).
+		/// It can also be null if this is unknown.
+		/// </summary>
+		public DateTime? EndAir { get; set; }
+
+		/// <summary>
+		/// The path of this show's poster.
+		/// By default, the http path for this poster is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/shows/{Slug}/poster")] public string Poster { get; set; }
+		
+		/// <summary>
+		/// The path of this show's logo.
+		/// By default, the http path for this logo is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/shows/{Slug}/logo")] public string Logo { get; set; }
+		
+		/// <summary>
+		/// The path of this show's backdrop.
+		/// By default, the http path for this backdrop is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/shows/{Slug}/backdrop")] public string Backdrop { get; set; }
 
+		/// <summary>
+		/// True if this show represent a movie, false otherwise.
+		/// </summary>
 		public bool IsMovie { get; set; }
 
-		[EditableRelation] [LoadableRelation] public virtual ICollection<MetadataID> ExternalIDs { get; set; }
+		/// <summary>
-		
+		/// The link to metadata providers that this show has. See <see cref="MetadataID{T}"/> for more information.
+		/// </summary>
+		[EditableRelation] [LoadableRelation] public ICollection<MetadataID<Show>> ExternalIDs { get; set; }
 		
+		/// <summary>
+		/// The ID of the Studio that made this show.
+		/// </summary>
 		[SerializeIgnore] public int? StudioID { get; set; }
-		[LoadableRelation(nameof(StudioID))] [EditableRelation] public virtual Studio Studio { get; set; }
+		/// <summary>
-		[LoadableRelation] [EditableRelation] public virtual ICollection<Genre> Genres { get; set; }
+		/// The Studio that made this show. This must be explicitly loaded via a call to <see cref="ILibraryManager.Load"/>.
-		[LoadableRelation] [EditableRelation] public virtual ICollection<PeopleRole> People { get; set; }
+		/// </summary>
-		[LoadableRelation] public virtual ICollection<Season> Seasons { get; set; }
+		[LoadableRelation(nameof(StudioID))] [EditableRelation] public Studio Studio { get; set; }
-		[LoadableRelation] public virtual ICollection<Episode> Episodes { get; set; }
+		
-		[LoadableRelation] public virtual ICollection<Library> Libraries { get; set; }
+		/// <summary>
-		[LoadableRelation] public virtual ICollection<Collection> Collections { get; set; }
+		/// The list of genres (themes) this show has.
+		/// </summary>
+		[LoadableRelation] [EditableRelation] public ICollection<Genre> Genres { get; set; }
+		
+		/// <summary>
+		/// The list of people that made this show.
+		/// </summary>
+		[LoadableRelation] [EditableRelation] public ICollection<PeopleRole> People { get; set; }
+		
+		/// <summary>
+		/// The different seasons in this show. If this is a movie, this list is always null or empty.
+		/// </summary>
+		[LoadableRelation] public ICollection<Season> Seasons { get; set; }
+		
+		/// <summary>
+		/// The list of episodes in this show.
+		/// If this is a movie, there will be a unique episode (with the seasonNumber and episodeNumber set to null).
+		/// Having an episode is necessary to store metadata and tracks.
+		/// </summary>
+		[LoadableRelation] public ICollection<Episode> Episodes { get; set; }
+		
+		/// <summary>
+		/// The list of libraries that contains this show.
+		/// </summary>
+		[LoadableRelation] public ICollection<Library> Libraries { get; set; }
+		
+		/// <summary>
+		/// The list of collections that contains this show.
+		/// </summary>
+		[LoadableRelation] public ICollection<Collection> Collections { get; set; }
 		
 #if ENABLE_INTERNAL_LINKS
-		[SerializeIgnore] public virtual ICollection<Link<Library, Show>> LibraryLinks { get; set; }
+		/// <summary>
-		[SerializeIgnore] public virtual ICollection<Link<Collection, Show>> CollectionLinks { get; set; }
+		/// The internal link between this show and libraries in the <see cref="Libraries"/> list.
-		[SerializeIgnore] public virtual ICollection<Link<Show, Genre>> GenreLinks { get; set; }
+		/// </summary>
+		[Link] public ICollection<Link<Library, Show>> LibraryLinks { get; set; }
+		
+		/// <summary>
+		/// The internal link between this show and collections in the <see cref="Collections"/> list.
+		/// </summary>
+		[Link] public ICollection<Link<Collection, Show>> CollectionLinks { get; set; }
+		
+		/// <summary>
+		/// The internal link between this show and genres in the <see cref="Genres"/> list.
+		/// </summary>
+		[Link] public ICollection<Link<Show, Genre>> GenreLinks { get; set; }
 #endif
 
+		/// <summary>
+		/// Retrieve the internal provider's ID of a show using it's provider slug. 
+		/// </summary>
+		/// <remarks>This method will never return anything if the <see cref="ExternalIDs"/> are not loaded.</remarks>
+		/// <param name="provider">The slug of the provider</param>
+		/// <returns>The <see cref="MetadataID{T}.DataID"/> field of the asked provider.</returns>
 		public string GetID(string provider)
 		{
-			return ExternalIDs?.FirstOrDefault(x => x.Provider.Name == provider)?.DataID;
+			return ExternalIDs?.FirstOrDefault(x => x.Second.Slug == provider)?.DataID;
 		}
 
-		public virtual void OnMerge(object merged)
+		/// <inheritdoc />
+		public void OnMerge(object merged)
 		{
 			if (ExternalIDs != null)
-				foreach (MetadataID id in ExternalIDs)
+				foreach (MetadataID<Show> id in ExternalIDs)
-					id.Show = this;
+					id.First = this;
 			if (People != null)
 				foreach (PeopleRole link in People)
 					link.Show = this;
@@ -64,5 +180,8 @@ namespace Kyoo.Models
 		}
 	}
 
+	/// <summary>
+	/// The enum containing show's status.
+	/// </summary>
 	public enum Status { Finished, Airing, Planned, Unknown }
 }

Kyoo.Common/Models/Resources/Studio.cs

@@ -3,31 +3,40 @@ using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// A studio that make shows.
+	/// </summary>
 	public class Studio : IResource
 	{
+		/// <inheritdoc />
 		public int ID { get; set; }
+		
+		/// <inheritdoc />
 		public string Slug { get; set; }
+		
+		/// <summary>
+		/// The name of this studio.
+		/// </summary>
 		public string Name { get; set; }
 		
-		[LoadableRelation] public virtual ICollection<Show> Shows { get; set; }
+		/// <summary>
+		/// The list of shows that are made by this studio.
+		/// </summary>
+		[LoadableRelation] public ICollection<Show> Shows { get; set; }
 
+		/// <summary>
+		/// Create a new, empty, <see cref="Studio"/>.
+		/// </summary>
 		public Studio() { }
 
+		/// <summary>
+		/// Create a new <see cref="Studio"/> with a specific name, the slug is calculated automatically.
+		/// </summary>
+		/// <param name="name">The name of the studio.</param>
 		public Studio(string name)
 		{
 			Slug = Utility.ToSlug(name);
 			Name = name;
 		}
-		
-		public Studio(string slug, string name)
-		{
-			Slug = slug;
-			Name = name;
-		}
-		
-		public static Studio Default()
-		{
-			return new Studio("unknown", "Unknown Studio");
-		}
 	}
 }

Kyoo.Common/Models/Resources/Track.cs

@@ -1,11 +1,16 @@
-using Kyoo.Models.Watch;
+using System;
 using System.Globalization;
 using System.Linq;
-using System.Runtime.InteropServices;
+using System.Text.RegularExpressions;
+using JetBrains.Annotations;
 using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// The list of available stream types.
+	/// Attachments are only used temporarily by the transcoder but are not stored in a database.
+	/// </summary>
 	public enum StreamType
 	{
 		Unknown = 0,
@@ -15,61 +20,106 @@ namespace Kyoo.Models
 		Attachment = 4
 	}
 
-	namespace Watch
+	/// <summary>
+	/// A video, audio or subtitle track for an episode.
+	/// </summary>
+	public class Track : IResource
 	{
-		[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+		/// <inheritdoc />
-		public class Stream
+		public int ID { get; set; }
+		
+		/// <inheritdoc />
+		[Computed] public string Slug
 		{
+			get
+			{
+				string type = Type.ToString().ToLower();
+				string index = TrackIndex != 0 ? $"-{TrackIndex}" : string.Empty;
+				string episode = EpisodeSlug ?? Episode.Slug ?? EpisodeID.ToString();
+				return $"{episode}.{Language}{index}{(IsForced ? ".forced" : "")}.{type}";
+			}
+			[UsedImplicitly] private set
+			{
+				if (value == null)
+					throw new ArgumentNullException(nameof(value));
+				Match match = Regex.Match(value, 
+					@"(?<ep>[^\.]+)\.(?<lang>\w{0,3})(-(?<index>\d+))?(\.(?<forced>forced))?\.(?<type>\w+)(\.\w*)?");
+
+				if (!match.Success)
+					throw new ArgumentException("Invalid track slug. " +
+					                            "Format: {episodeSlug}.{language}[-{index}][-forced].{type}[.{extension}]");
+
+				EpisodeSlug = match.Groups["ep"].Value;
+				Language = match.Groups["lang"].Value;
+				TrackIndex = int.Parse(match.Groups["index"].Value);
+				IsForced = match.Groups["forced"].Success;
+				Type = Enum.Parse<StreamType>(match.Groups["type"].Value, true);
+			}
+		}
+		
+		/// <summary>
+        /// The slug of the episode that contain this track. If this is not set, this track is ill-formed.
+        /// </summary>
+        [SerializeIgnore] public string EpisodeSlug { private get; set; }
+		
+		/// <summary>
+		/// The title of the stream.
+		/// </summary>
 		public string Title { get; set; }
+		
+		/// <summary>
+		/// The language of this stream (as a ISO-639-2 language code)
+		/// </summary>
 		public string Language { get; set; }
+		
+		/// <summary>
+		/// The codec of this stream.
+		/// </summary>
 		public string Codec { get; set; }
-			[MarshalAs(UnmanagedType.I1)] public bool isDefault;
+		
-			[MarshalAs(UnmanagedType.I1)] public bool isForced;
+		
+		/// <summary>
+		/// Is this stream the default one of it's type?
+		/// </summary>
+		public bool IsDefault { get; set; }
+		
+		/// <summary>
+		/// Is this stream tagged as forced? 
+		/// </summary>
+		public bool IsForced { get; set; }
+		
+		/// <summary>
+		/// Is this track extern to the episode's file?
+		/// </summary>
+		public bool IsExternal { get; set; }
+		
+		/// <summary>
+		/// The path of this track.
+		/// </summary>
 		[SerializeIgnore] public string Path { get; set; }
+		
+		/// <summary>
+		/// The type of this stream.
+		/// </summary>
 		[SerializeIgnore] public StreamType Type { get; set; }
 		
-			public Stream() {}
+		/// <summary>
-			
+		/// The ID of the episode that uses this track.
-			public Stream(string title, string language, string codec, bool isDefault, bool isForced, string path, StreamType type)
+		/// </summary>
-			{
-				Title = title;
-				Language = language;
-				Codec = codec;
-				this.isDefault = isDefault;
-				this.isForced = isForced;
-				Path = path;
-				Type = type;
-			}
-			
-			public Stream(Stream stream)
-			{
-				Title  = stream.Title;
-				Language  = stream.Language;
-				isDefault  = stream.isDefault;
-				isForced  = stream.isForced;
-				Codec  = stream.Codec;
-				Path = stream.Path;
-				Type  = stream.Type;
-			}
-		}
-	}
-
-	public class Track : Stream, IResource
-	{
-		public int ID { get; set; }
 		[SerializeIgnore] public int EpisodeID { get; set; }
-		public int TrackIndex { get; set; }
+		/// <summary>
-		public bool IsDefault
+		/// The episode that uses this track.
-		{
+		/// </summary>
-			get => isDefault;
+		[LoadableRelation(nameof(EpisodeID))] public Episode Episode { get; set; }
-			set => isDefault = value;
-		}
-		public bool IsForced
-		{
-			get => isForced;
-			set => isForced = value;
-		}
 
+		/// <summary>
+		/// The index of this track on the episode.
+		/// </summary>
+		public int TrackIndex { get; set; }
+
+		/// <summary>
+		/// A user-friendly name for this track. It does not include the track type.
+		/// </summary>
 		public string DisplayName
 		{
 			get
@@ -85,61 +135,16 @@ namespace Kyoo.Models
 					name += " Forced";
 				if (IsExternal)
 					name += " (External)";
-				if (Title != null && Title.Length > 1)
+				if (Title is {Length: > 1})
 					name += " - " + Title;
 				return name;
 			}
 		}
 
-		public string Slug
-		{
-			get
-			{
-				string type = Type switch
-				{
-					StreamType.Subtitle => "",
-					StreamType.Video => "video.",
-					StreamType.Audio => "audio.",
-					StreamType.Attachment => "font.",
-					_ => ""
-				};
-				string index = TrackIndex != 0 ? $"-{TrackIndex}" : string.Empty;
-				string codec = Codec switch
-				{
-					"subrip" => ".srt",
-					{} x => $".{x}"
-				};
-				return $"{Episode.Slug}.{type}{Language}{index}{(IsForced ? "-forced" : "")}{codec}";
-			}
-		}
-
-		public bool IsExternal { get; set; }
-		[LoadableRelation(nameof(EpisodeID))] public virtual Episode Episode { get; set; }
-		
-		public Track() { }
-
-		public Track(StreamType type, 
-			string title, 
-			string language, 
-			bool isDefault,
-			bool isForced,
-			string codec, 
-			bool isExternal, 
-			string path)
-			: base(title, language, codec, isDefault, isForced, path, type)
-		{
-			IsExternal = isExternal;
-		}
-
-		public Track(Stream stream)
-			: base(stream)
-		{
-			IsExternal = false;
-		}
-
 		//Converting mkv track language to c# system language tag.
 		private static string GetLanguage(string mkvLanguage)
 		{
+			// TODO delete this and have a real way to get the language string from the ISO-639-2.
 			return mkvLanguage switch
 			{
 				"fre" => "fra",
@@ -147,5 +152,32 @@ namespace Kyoo.Models
 				_ => mkvLanguage
 			};
 		}
+
+		/// <summary>
+		/// Utility method to edit a track slug (this only return a slug with the modification, nothing is stored)
+		/// </summary>
+		/// <param name="baseSlug">The slug to edit</param>
+		/// <param name="type">The new type of this </param>
+		/// <param name="language"></param>
+		/// <param name="index"></param>
+		/// <param name="forced"></param>
+		/// <returns></returns>
+		public static string EditSlug(string baseSlug,
+			StreamType type = StreamType.Unknown,
+			string language = null,
+			int? index = null,
+			bool? forced = null)
+		{
+			Track track = new() {Slug = baseSlug};
+			if (type != StreamType.Unknown)
+				track.Type = type;
+			if (language != null)
+				track.Language = language;
+			if (index != null)
+				track.TrackIndex = index.Value;
+			if (forced != null)
+				track.IsForced = forced.Value;
+			return track.Slug;
+		}
 	}
 }

Kyoo.Common/Models/Resources/User.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Kyoo.Common.Models.Attributes;
 
 namespace Kyoo.Models
 {
@@ -52,7 +53,7 @@ namespace Kyoo.Models
 		/// <summary>
 		/// Links between Users and Shows.
 		/// </summary>
-		public ICollection<Link<User, Show>> ShowLinks { get; set; }
+		[Link] public ICollection<Link<User, Show>> ShowLinks { get; set; }
 #endif
 	}
 	
@@ -62,7 +63,7 @@ namespace Kyoo.Models
 	public class WatchedEpisode : Link<User, Episode>
 	{
 		/// <summary>
-		/// Where the player has stopped watching the episode (-1 if not started, else between 0 and 100).
+		/// Where the player has stopped watching the episode (between 0 and 100).
 		/// </summary>
 		public int WatchedPercentage { get; set; }
 	}

Kyoo.Common/Models/SearchResult.cs

@@ -2,14 +2,44 @@
 
 namespace Kyoo.Models
 {
+	/// <summary>
+	/// Results of a search request.
+	/// </summary>
 	public class SearchResult
 	{
-		public string Query;
+		/// <summary>
-		public IEnumerable<Collection> Collections;
+		/// The query of the search request.
-		public IEnumerable<Show> Shows;
+		/// </summary>
-		public IEnumerable<Episode> Episodes;
+		public string Query { get; init; }
-		public IEnumerable<People> People;
+		
-		public IEnumerable<Genre> Genres;
+		/// <summary>
-		public IEnumerable<Studio> Studios;
+		/// The collections that matched the search.
+		/// </summary>
+		public ICollection<Collection> Collections { get; init; }
+		
+		/// <summary>
+		/// The shows that matched the search.
+		/// </summary>
+		public ICollection<Show> Shows { get; init; }
+		
+		/// <summary>
+		/// The episodes that matched the search.
+		/// </summary>
+		public ICollection<Episode> Episodes { get; init; }
+		
+		/// <summary>
+		/// The people that matched the search.
+		/// </summary>
+		public ICollection<People> People { get; init; }
+		
+		/// <summary>
+		/// The genres that matched the search.
+		/// </summary>
+		public ICollection<Genre> Genres { get; init; }
+		
+		/// <summary>
+		/// The studios that matched the search.
+		/// </summary>
+		public ICollection<Studio> Studios { get; init; }
 	}
 }

Kyoo.Common/Models/WatchItem.cs

@@ -9,95 +9,136 @@ using PathIO = System.IO.Path;
 
 namespace Kyoo.Models
 {
-	public class Chapter
+	/// <summary>
-	{
+	/// A watch item give information useful for playback.
-		public float StartTime;
+	/// Information about tracks and display information that could be used by the player.
-		public float EndTime;
+	/// This contains mostly data from an <see cref="Episode"/> with another form.
-		public string Name;
+	/// </summary>
-
-		public Chapter(float startTime, float endTime, string name)
-		{
-			StartTime = startTime;
-			EndTime = endTime;
-			Name = name;
-		}
-	}
-	
 	public class WatchItem
 	{
+		/// <summary>
+		/// The ID of the episode associated with this item.
+		/// </summary>
 		public int EpisodeID { get; set; }
 		
-		public string ShowTitle { get; set; }
+		/// <summary>
-		public string ShowSlug { get; set; }
+		/// The slug of this episode.
-		public int SeasonNumber { get; set; }
+		/// </summary>
-		public int EpisodeNumber { get; set; }
-		public int AbsoluteNumber { get; set; }
-		public string Title { get; set; }
 		public string Slug { get; set; }
+
+		/// <summary>
+		/// The title of the show containing this episode.
+		/// </summary>
+		public string ShowTitle { get; set; }
+		
+		/// <summary>
+		/// The slug of the show containing this episode
+		/// </summary>
+		public string ShowSlug { get; set; }
+		
+		/// <summary>
+		/// The season in witch this episode is in.
+		/// </summary>
+		public int? SeasonNumber { get; set; }
+		
+		/// <summary>
+		/// The number of this episode is it's season.
+		/// </summary>
+		public int? EpisodeNumber { get; set; }
+		
+		/// <summary>
+		/// The absolute number of this episode. It's an episode number that is not reset to 1 after a new season.
+		/// </summary>
+		public int? AbsoluteNumber { get; set; }
+		
+		/// <summary>
+		/// The title of this episode.
+		/// </summary>
+		public string Title { get; set; }
+		
+		/// <summary>
+		/// The release date of this episode. It can be null if unknown.
+		/// </summary>
 		public DateTime? ReleaseDate { get; set; }
+		
+		/// <summary>
+		/// The path of the video file for this episode. Any format supported by a <see cref="IFileManager"/> is allowed.
+		/// </summary>
 		[SerializeIgnore] public string Path { get; set; }
+		
+		/// <summary>
+		/// The episode that come before this one if you follow usual watch orders.
+		/// If this is the first episode or this is a movie, it will be null.
+		/// </summary>
 		public Episode PreviousEpisode { get; set; }
+		
+		/// <summary>
+		/// The episode that come after this one if you follow usual watch orders.
+		/// If this is the last aired episode or this is a movie, it will be null.
+		/// </summary>
 		public Episode NextEpisode { get; set; }
+		
+		/// <summary>
+		/// <c>true</c> if this is a movie, <c>false</c> otherwise.
+		/// </summary>
 		public bool IsMovie { get; set; }
 
+		/// <summary>
+		/// The path of this item's poster.
+		/// By default, the http path for the poster is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/show/{ShowSlug}/poster")] public string Poster { get; set; }
+		
+		/// <summary>
+		/// The path of this item's logo.
+		/// By default, the http path for the logo is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/show/{ShowSlug}/logo")] public string Logo { get; set; }
+		
+		/// <summary>
+		/// The path of this item's backdrop.
+		/// By default, the http path for the backdrop is returned from the public API.
+		/// This can be disabled using the internal query flag.
+		/// </summary>
 		[SerializeAs("{HOST}/api/show/{ShowSlug}/backdrop")] public string Backdrop { get; set; }
 
+		/// <summary>
+		/// The container of the video file of this episode.
+		/// Common containers are mp4, mkv, avi and so on.
+		/// </summary>
 		public string Container { get; set; }
+		
+		/// <summary>
+		/// The video track. See <see cref="Track"/> for more information.
+		/// </summary>
 		public Track Video { get; set; }
+		
+		/// <summary>
+		/// The list of audio tracks. See <see cref="Track"/> for more information.
+		/// </summary>
 		public ICollection<Track> Audios { get; set; }
+		
+		/// <summary>
+		/// The list of subtitles tracks. See <see cref="Track"/> for more information.
+		/// </summary>
 		public ICollection<Track> Subtitles { get; set; }
+		
+		/// <summary>
+		/// The list of chapters. See <see cref="Chapter"/> for more information.
+		/// </summary>
 		public ICollection<Chapter> Chapters { get; set; }
 		
-		public WatchItem() { }
-
-		private WatchItem(int episodeID, 
-			Show show,
-			int seasonNumber,
-			int episodeNumber,
-			int absoluteNumber,
-			string title, 
-			DateTime? releaseDate,
-			string path)
-		{
-			EpisodeID = episodeID;
-			ShowTitle = show.Title;
-			ShowSlug = show.Slug;
-			SeasonNumber = seasonNumber;
-			EpisodeNumber = episodeNumber;
-			AbsoluteNumber = absoluteNumber;
-			Title = title;
-			ReleaseDate = releaseDate;
-			Path = path;
-			IsMovie = show.IsMovie;
-
-			Poster = show.Poster;
-			Logo = show.Logo;
-			Backdrop = show.Backdrop;
-
-			Container = Path.Substring(Path.LastIndexOf('.') + 1);
-			Slug = Episode.GetSlug(ShowSlug, seasonNumber, episodeNumber, absoluteNumber);
-		}
-
-		private WatchItem(int episodeID,
-			Show show,
-			int seasonNumber, 
-			int episodeNumber,
-			int absoluteNumber,
-			string title, 
-			DateTime? releaseDate, 
-			string path, 
-			Track video,
-			ICollection<Track> audios,
-			ICollection<Track> subtitles)
-			: this(episodeID, show, seasonNumber, episodeNumber, absoluteNumber, title, releaseDate, path)
-		{
-			Video = video;
-			Audios = audios;
-			Subtitles = subtitles;
-		}
 
+		/// <summary>
+		/// Create a <see cref="WatchItem"/> from an <see cref="Episode"/>.
+		/// </summary>
+		/// <param name="ep">The episode to transform.</param>
+		/// <param name="library">
+		/// A library manager to retrieve the next and previous episode and load the show & tracks of the episode.
+		/// </param>
+		/// <returns>A new WatchItem representing the given episode.</returns>
 		public static async Task<WatchItem> FromEpisode(Episode ep, ILibraryManager library)
 		{
 			Episode previous = null;
@@ -106,41 +147,53 @@ namespace Kyoo.Models
 			await library.Load(ep, x => x.Show);
 			await library.Load(ep, x => x.Tracks);
 			
-			if (!ep.Show.IsMovie)
+			if (!ep.Show.IsMovie && ep.SeasonNumber != null && ep.EpisodeNumber != null)
 			{
 				if (ep.EpisodeNumber > 1)
-					previous = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber, ep.EpisodeNumber - 1);
+					previous = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber.Value, ep.EpisodeNumber.Value - 1);
 				else if (ep.SeasonNumber > 1)
 				{
-					int count = await library.GetCount<Episode>(x => x.ShowID == ep.ShowID 
+					previous = (await library.GetAll(x => x.ShowID == ep.ShowID 
-					                                                && x.SeasonNumber == ep.SeasonNumber - 1);
+					                                      && x.SeasonNumber == ep.SeasonNumber.Value - 1, 
-					previous = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber - 1, count);
+						limit: 1,
+						sort: new Sort<Episode>(x => x.EpisodeNumber, true))
+					).FirstOrDefault();
 				}
 
 				if (ep.EpisodeNumber >= await library.GetCount<Episode>(x => x.SeasonID == ep.SeasonID))
-					next = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber + 1, 1);
+					next = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber.Value + 1, 1);
 				else
-					next = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber, ep.EpisodeNumber + 1);
+					next = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber.Value, ep.EpisodeNumber.Value + 1);
+			}
+			else if (!ep.Show.IsMovie && ep.AbsoluteNumber != null)
+			{
+				previous = await library.GetOrDefault<Episode>(x => x.ShowID == ep.ShowID 
+				                                                    && x.AbsoluteNumber == ep.EpisodeNumber + 1);
+				next = await library.GetOrDefault<Episode>(x => x.ShowID == ep.ShowID 
+				                                                && x.AbsoluteNumber == ep.AbsoluteNumber + 1);
 			}
 			
-			return new WatchItem(ep.ID,
+			return new WatchItem
-				ep.Show,
-				ep.SeasonNumber,
-				ep.EpisodeNumber,
-				ep.AbsoluteNumber,
-				ep.Title,
-				ep.ReleaseDate,
-				ep.Path,
-				ep.Tracks.FirstOrDefault(x => x.Type == StreamType.Video),
-				ep.Tracks.Where(x => x.Type == StreamType.Audio).ToArray(),
-				ep.Tracks.Where(x => x.Type == StreamType.Subtitle).ToArray())
 			{
+				EpisodeID = ep.ID,
+				ShowSlug = ep.Show.Slug,
+				SeasonNumber = ep.SeasonNumber,
+				EpisodeNumber = ep.EpisodeNumber,
+				AbsoluteNumber = ep.AbsoluteNumber,
+				Title = ep.Title,
+				ReleaseDate = ep.ReleaseDate,
+				Path = ep.Path,
+				Video = ep.Tracks.FirstOrDefault(x => x.Type == StreamType.Video),
+				Audios = ep.Tracks.Where(x => x.Type == StreamType.Audio).ToArray(),
+				Subtitles = ep.Tracks.Where(x => x.Type == StreamType.Subtitle).ToArray(), 
 				PreviousEpisode = previous,
 				NextEpisode = next,
 				Chapters = await GetChapters(ep.Path)
 			};
 		}
 
+		// TODO move this method in a controller to support abstraction.
+		// TODO use a IFileManager to retrieve and read files.
 		private static async Task<ICollection<Chapter>> GetChapters(string episodePath)
 		{
 			string path = PathIO.Combine(

Kyoo.Common/Utility.cs

@@ -1,703 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Globalization;
-using System.Linq;
-using System.Linq.Expressions;
-using System.Reflection;
-using System.Runtime.ExceptionServices;
-using System.Text;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
-using JetBrains.Annotations;
-using Kyoo.Models.Attributes;
-
-namespace Kyoo
-{
-	/// <summary>
-	/// A set of utility functions that can be used everywhere.
-	/// </summary>
-	public static class Utility
-	{
-		/// <summary>
-		/// Is the lambda expression a member (like x => x.Body).
-		/// </summary>
-		/// <param name="ex">The expression that should be checked</param>
-		/// <returns>True if the expression is a member, false otherwise</returns>
-		public static bool IsPropertyExpression(LambdaExpression ex)
-		{
-			return ex == null ||
-			       ex.Body is MemberExpression ||
-			       ex.Body.NodeType == ExpressionType.Convert && ((UnaryExpression)ex.Body).Operand is MemberExpression;
-		}
-		
-		/// <summary>
-		/// Get the name of a property. Useful for selectors as members ex: Load(x => x.Shows)
-		/// </summary>
-		/// <param name="ex">The expression</param>
-		/// <returns>The name of the expression</returns>
-		/// <exception cref="ArgumentException">If the expression is not a property, ArgumentException is thrown.</exception>
-		public static string GetPropertyName(LambdaExpression ex)
-		{
-			if (!IsPropertyExpression(ex))
-				throw new ArgumentException($"{ex} is not a property expression.");
-			MemberExpression member = ex.Body.NodeType == ExpressionType.Convert
-				? ((UnaryExpression)ex.Body).Operand as MemberExpression
-				: ex.Body as MemberExpression;
-			return member!.Member.Name;
-		}
-
-		/// <summary>
-		/// Get the value of a member (property or field)
-		/// </summary>
-		/// <param name="member">The member value</param>
-		/// <param name="obj">The owner of this member</param>
-		/// <returns>The value boxed as an object</returns>
-		/// <exception cref="ArgumentNullException">if <see cref="member"/> or <see cref="obj"/> is null.</exception>
-		/// <exception cref="ArgumentException">The member is not a field or a property.</exception>
-		public static object GetValue([NotNull] this MemberInfo member, [NotNull] object obj)
-		{
-			if (member == null)
-				throw new ArgumentNullException(nameof(member));
-			if (obj == null)
-				throw new ArgumentNullException(nameof(obj));
-			return member switch
-			{
-				PropertyInfo property => property.GetValue(obj),
-				FieldInfo field => field.GetValue(obj),
-				_ => throw new ArgumentException($"Can't get value of a non property/field (member: {member}).")
-			};
-		}
-		
-		/// <summary>
-		/// Slugify a string (Replace spaces by -, Uniformize accents é -> e)
-		/// </summary>
-		/// <param name="str">The string to slugify</param>
-		/// <returns>The slug version of the given string</returns>
-		public static string ToSlug(string str)
-		{
-			if (str == null)
-				return null;
-
-			str = str.ToLowerInvariant();
-			
-			string normalizedString = str.Normalize(NormalizationForm.FormD);
-			StringBuilder stringBuilder = new();
-			foreach (char c in normalizedString)
-			{
-				UnicodeCategory unicodeCategory = CharUnicodeInfo.GetUnicodeCategory(c);
-				if (unicodeCategory != UnicodeCategory.NonSpacingMark)
-					stringBuilder.Append(c);
-			}
-			str = stringBuilder.ToString().Normalize(NormalizationForm.FormC);
-
-			str = Regex.Replace(str, @"\s", "-", RegexOptions.Compiled);
-			str = Regex.Replace(str, @"[^\w\s\p{Pd}]", "", RegexOptions.Compiled);
-			str = str.Trim('-', '_');
-			str = Regex.Replace(str, @"([-_]){2,}", "$1", RegexOptions.Compiled);
-			return str;
-		}
-
-		/// <summary>
-		/// Merge two lists, can keep duplicates or remove them.
-		/// </summary>
-		/// <param name="first">The first enumerable to merge</param>
-		/// <param name="second">The second enumerable to merge, if items from this list are equals to one from the first, they are not kept</param>
-		/// <param name="isEqual">Equality function to compare items. If this is null, duplicated elements are kept</param>
-		/// <returns>The two list merged as an array</returns>
-		public static T[] MergeLists<T>(IEnumerable<T> first,
-			IEnumerable<T> second, 
-			Func<T, T, bool> isEqual = null)
-		{
-			if (first == null)
-				return second.ToArray();
-			if (second == null)
-				return first.ToArray();
-			if (isEqual == null)
-				return first.Concat(second).ToArray();
-			List<T> list = first.ToList();
-			return list.Concat(second.Where(x => !list.Any(y => isEqual(x, y)))).ToArray();
-		}
-
-		/// <summary>
-		/// Set every fields of first to those of second. Ignore fields marked with the <see cref="NotMergeableAttribute"/> attribute
-		/// At the end, the OnMerge method of first will be called if first is a <see cref="IOnMerge"/>
-		/// </summary>
-		/// <param name="first">The object to assign</param>
-		/// <param name="second">The object containing new values</param>
-		/// <typeparam name="T">Fields of T will be used</typeparam>
-		/// <returns><see cref="first"/></returns>
-		public static T Assign<T>(T first, T second)
-		{
-			Type type = typeof(T);
-			IEnumerable<PropertyInfo> properties = type.GetProperties()
-				.Where(x => x.CanRead && x.CanWrite 
-				                      && Attribute.GetCustomAttribute(x, typeof(NotMergeableAttribute)) == null);
-			
-			foreach (PropertyInfo property in properties)
-			{
-				object value = property.GetValue(second);
-				property.SetValue(first, value);
-			}
-
-			if (first is IOnMerge merge)
-				merge.OnMerge(second);
-			return first;
-		}
-		
-		/// <summary>
-		/// Set every default values of first to the value of second. ex: {id: 0, slug: "test"}, {id: 4, slug: "foo"} -> {id: 4, slug: "test"}.
-		/// At the end, the OnMerge method of first will be called if first is a <see cref="IOnMerge"/>
-		/// </summary>
-		/// <param name="first">The object to complete</param>
-		/// <param name="second">Missing fields of first will be completed by fields of this item. If second is null, the function no-op.</param>
-		/// <param name="where">Filter fields that will be merged</param>
-		/// <typeparam name="T">Fields of T will be completed</typeparam>
-		/// <returns><see cref="first"/></returns>
-		/// <exception cref="ArgumentNullException">If first is null</exception>
-		public static T Complete<T>([NotNull] T first, [CanBeNull] T second, Func<PropertyInfo, bool> where = null)
-		{
-			if (first == null)
-				throw new ArgumentNullException(nameof(first));
-			if (second == null)
-				return first;
-			
-			Type type = typeof(T);
-			IEnumerable<PropertyInfo> properties = type.GetProperties()
-				.Where(x => x.CanRead && x.CanWrite 
-				                      && Attribute.GetCustomAttribute(x, typeof(NotMergeableAttribute)) == null);
-
-			if (where != null)
-				properties = properties.Where(where);
-			
-			foreach (PropertyInfo property in properties)
-			{
-				object value = property.GetValue(second);
-				object defaultValue = property.PropertyType.IsValueType
-					? Activator.CreateInstance(property.PropertyType) 
-					: null;
-
-				if (value?.Equals(defaultValue) == false && value != property.GetValue(first))
-					property.SetValue(first, value);
-			}
-
-			if (first is IOnMerge merge)
-				merge.OnMerge(second);
-			return first;
-		}
-
-		/// <summary>
-		/// An advanced <see cref="Complete{T}"/> function.
-		/// This will set missing values of <see cref="first"/> to the corresponding values of <see cref="second"/>.
-		/// Enumerable will be merged (concatenated).
-		/// At the end, the OnMerge method of first will be called if first is a <see cref="IOnMerge"/>.
-		/// </summary>
-		/// <param name="first">The object to complete</param>
-		/// <param name="second">Missing fields of first will be completed by fields of this item. If second is null, the function no-op.</param>
-		/// <typeparam name="T">Fields of T will be merged</typeparam>
-		/// <returns><see cref="first"/></returns>
-		public static T Merge<T>(T first, T second)
-		{
-			if (first == null)
-				return second;
-			if (second == null)
-				return first;
-			
-			Type type = typeof(T);
-			IEnumerable<PropertyInfo> properties = type.GetProperties()
-				.Where(x => x.CanRead && x.CanWrite 
-				                      && Attribute.GetCustomAttribute(x, typeof(NotMergeableAttribute)) == null);
-			
-			foreach (PropertyInfo property in properties)
-			{
-				object oldValue = property.GetValue(first);
-				object newValue = property.GetValue(second);
-				object defaultValue = property.PropertyType.IsValueType
-					? Activator.CreateInstance(property.PropertyType) 
-					: null;
-				
-				if (oldValue?.Equals(defaultValue) != false)
-					property.SetValue(first, newValue);
-				else if (typeof(IEnumerable).IsAssignableFrom(property.PropertyType)
-				         && property.PropertyType != typeof(string))
-				{
-					property.SetValue(first, RunGenericMethod<object>(
-						typeof(Utility), 
-						nameof(MergeLists),
-						GetEnumerableType(property.PropertyType), 
-						oldValue, newValue, null));
-				}
-			}
-
-			if (first is IOnMerge merge)
-				merge.OnMerge(second);
-			return first;
-		}
-
-		/// <summary>
-		/// Set every fields of <see cref="obj"/> to the default value.
-		/// </summary>
-		/// <param name="obj">The object to nullify</param>
-		/// <typeparam name="T">Fields of T will be nullified</typeparam>
-		/// <returns><see cref="obj"/></returns>
-		public static T Nullify<T>(T obj)
-		{
-			Type type = typeof(T);
-			foreach (PropertyInfo property in type.GetProperties())
-			{
-				if (!property.CanWrite)
-					continue;
-				
-				object defaultValue = property.PropertyType.IsValueType 
-					? Activator.CreateInstance(property.PropertyType) 
-					: null;
-				property.SetValue(obj, defaultValue);
-			}
-
-			return obj;
-		}
-
-		/// <summary>
-		/// Return every <see cref="Type"/> in the inheritance tree of the parameter (interfaces are not returned)
-		/// </summary>
-		/// <param name="type">The starting type</param>
-		/// <returns>A list of types</returns>
-		/// <exception cref="ArgumentNullException"><see cref="type"/> can't be null</exception>
-		public static IEnumerable<Type> GetInheritanceTree([NotNull] this Type type)
-		{
-			if (type == null)
-				throw new ArgumentNullException(nameof(type));
-			for (; type != null; type = type.BaseType)
-				yield return type;
-		}
-
-		/// <summary>
-		/// Check if <see cref="obj"/> inherit from a generic type <see cref="genericType"/>.
-		/// </summary>
-		/// <param name="obj">Does this object's type is a <see cref="genericType"/></param>
-		/// <param name="genericType">The generic type to check against (Only generic types are supported like typeof(IEnumerable&lt;&gt;).</param>
-		/// <returns>True if obj inherit from genericType. False otherwise</returns>
-		/// <exception cref="ArgumentNullException">obj and genericType can't be null</exception>
-		public static bool IsOfGenericType([NotNull] object obj, [NotNull] Type genericType)
-		{
-			if (obj == null)
-				throw new ArgumentNullException(nameof(obj));
-			return IsOfGenericType(obj.GetType(), genericType);
-		}
-		
-		/// <summary>
-		/// Check if <see cref="type"/> inherit from a generic type <see cref="genericType"/>.
-		/// </summary>
-		/// <param name="type">The type to check</param>
-		/// <param name="genericType">The generic type to check against (Only generic types are supported like typeof(IEnumerable&lt;&gt;).</param>
-		/// <returns>True if obj inherit from genericType. False otherwise</returns>
-		/// <exception cref="ArgumentNullException">obj and genericType can't be null</exception>
-		public static bool IsOfGenericType([NotNull] Type type, [NotNull] Type genericType)
-		{
-			if (type == null)
-				throw new ArgumentNullException(nameof(type));
-			if (genericType == null)
-				throw new ArgumentNullException(nameof(genericType));
-			if (!genericType.IsGenericType)
-				throw new ArgumentException($"{nameof(genericType)} is not a generic type.");
-
-			IEnumerable<Type> types = genericType.IsInterface
-				? type.GetInterfaces()
-				: type.GetInheritanceTree();
-			return types.Any(x => x.IsGenericType && x.GetGenericTypeDefinition() == genericType);
-		}
-
-		/// <summary>
-		/// Get the generic definition of <see cref="genericType"/>.
-		/// For example, calling this function with List&lt;string&gt; and typeof(IEnumerable&lt;&gt;) will return IEnumerable&lt;string&gt;
-		/// </summary>
-		/// <param name="type">The type to check</param>
-		/// <param name="genericType">The generic type to check against (Only generic types are supported like typeof(IEnumerable&lt;&gt;).</param>
-		/// <returns>The generic definition of genericType that type inherit or null if type does not implement the generic type.</returns>
-		/// <exception cref="ArgumentNullException"><see cref="type"/> and <see cref="genericType"/> can't be null</exception>
-		/// <exception cref="ArgumentException"><see cref="genericType"/> must be a generic type</exception>
-		public static Type GetGenericDefinition([NotNull] Type type, [NotNull] Type genericType)
-		{
-			if (type == null)
-				throw new ArgumentNullException(nameof(type));
-			if (genericType == null)
-				throw new ArgumentNullException(nameof(genericType));
-			if (!genericType.IsGenericType)
-				throw new ArgumentException($"{nameof(genericType)} is not a generic type.");
-
-			IEnumerable<Type> types = genericType.IsInterface
-				? type.GetInterfaces()
-				: type.GetInheritanceTree();
-			return types.FirstOrDefault(x => x.IsGenericType && x.GetGenericTypeDefinition() == genericType);
-		}
-
-		/// <summary>
-		/// A Select where the index of the item can be used.
-		/// </summary>
-		/// <param name="self">The IEnumerable to map. If self is null, an empty list is returned</param>
-		/// <param name="mapper">The function that will map each items</param>
-		/// <typeparam name="T">The type of items in <see cref="self"/></typeparam>
-		/// <typeparam name="T2">The type of items in the returned list</typeparam>
-		/// <returns>The list mapped.</returns>
-		/// <exception cref="ArgumentNullException">mapper can't be null</exception>
-		public static IEnumerable<T2> Map<T, T2>([CanBeNull] this IEnumerable<T> self, 
-			[NotNull] Func<T, int, T2> mapper)
-		{
-			if (self == null)
-				yield break;
-			if (mapper == null)
-				throw new ArgumentNullException(nameof(mapper));
-			
-			using IEnumerator<T> enumerator = self.GetEnumerator();
-			int index = 0;
-
-			while (enumerator.MoveNext())
-			{
-				yield return mapper(enumerator.Current, index);
-				index++;
-			}
-		}
-		
-		/// <summary>
-		/// A map where the mapping function is asynchronous.
-		/// Note: <see cref="SelectAsync{T,T2}"/> might interest you. 
-		/// </summary>
-		/// <param name="self">The IEnumerable to map. If self is null, an empty list is returned</param>
-		/// <param name="mapper">The asynchronous function that will map each items</param>
-		/// <typeparam name="T">The type of items in <see cref="self"/></typeparam>
-		/// <typeparam name="T2">The type of items in the returned list</typeparam>
-		/// <returns>The list mapped as an AsyncEnumerable</returns>
-		/// <exception cref="ArgumentNullException">mapper can't be null</exception>
-		public static async IAsyncEnumerable<T2> MapAsync<T, T2>([CanBeNull] this IEnumerable<T> self, 
-			[NotNull] Func<T, int, Task<T2>> mapper)
-		{
-			if (self == null)
-				yield break;
-			if (mapper == null)
-				throw new ArgumentNullException(nameof(mapper));
-			
-			using IEnumerator<T> enumerator = self.GetEnumerator();
-			int index = 0;
-
-			while (enumerator.MoveNext())
-			{
-				yield return await mapper(enumerator.Current, index);
-				index++;
-			}
-		}
-		
-		/// <summary>
-		/// An asynchronous version of Select.
-		/// </summary>
-		/// <param name="self">The IEnumerable to map</param>
-		/// <param name="mapper">The asynchronous function that will map each items</param>
-		/// <typeparam name="T">The type of items in <see cref="self"/></typeparam>
-		/// <typeparam name="T2">The type of items in the returned list</typeparam>
-		/// <returns>The list mapped as an AsyncEnumerable</returns>
-		/// <exception cref="ArgumentNullException">mapper can't be null</exception>
-		public static async IAsyncEnumerable<T2> SelectAsync<T, T2>([CanBeNull] this IEnumerable<T> self, 
-			[NotNull] Func<T, Task<T2>> mapper)
-		{
-			if (self == null)
-				yield break;
-			if (mapper == null)
-				throw new ArgumentNullException(nameof(mapper));
-			
-			using IEnumerator<T> enumerator = self.GetEnumerator();
-
-			while (enumerator.MoveNext())
-				yield return await mapper(enumerator.Current);
-		}
-
-		/// <summary>
-		/// Convert an AsyncEnumerable to a List by waiting for every item.
-		/// </summary>
-		/// <param name="self">The async list</param>
-		/// <typeparam name="T">The type of items in the async list and in the returned list.</typeparam>
-		/// <returns>A task that will return a simple list</returns>
-		/// <exception cref="ArgumentNullException">The list can't be null</exception>
-		public static async Task<List<T>> ToListAsync<T>([NotNull] this IAsyncEnumerable<T> self)
-		{
-			if (self == null)
-				throw new ArgumentNullException(nameof(self));
-			
-			List<T> ret = new();
-			
-			await foreach(T i in self)
-				ret.Add(i);
-			return ret;
-		}
-
-		/// <summary>
-		/// If the enumerable is empty, execute an action.
-		/// </summary>
-		/// <param name="self">The enumerable to check</param>
-		/// <param name="action">The action to execute is the list is empty</param>
-		/// <typeparam name="T">The type of items inside the list</typeparam>
-		/// <returns></returns>
-		public static IEnumerable<T> IfEmpty<T>(this IEnumerable<T> self, Action action)
-		{
-			using IEnumerator<T> enumerator = self.GetEnumerator();
-
-			if (!enumerator.MoveNext())
-			{
-				action();
-				yield break;
-			}
-			
-			do
-			{
-				yield return enumerator.Current;
-			}
-			while (enumerator.MoveNext());
-		}
-
-		/// <summary>
-		/// A foreach used as a function with a little specificity: the list can be null.
-		/// </summary>
-		/// <param name="self">The list to enumerate. If this is null, the function result in a no-op</param>
-		/// <param name="action">The action to execute for each arguments</param>
-		/// <typeparam name="T">The type of items in the list</typeparam>
-		public static void ForEach<T>([CanBeNull] this IEnumerable<T> self, Action<T> action)
-		{
-			if (self == null)
-				return;
-			foreach (T i in self)
-				action(i);
-		}
-		
-		/// <summary>
-		/// A foreach used as a function with a little specificity: the list can be null.
-		/// </summary>
-		/// <param name="self">The list to enumerate. If this is null, the function result in a no-op</param>
-		/// <param name="action">The action to execute for each arguments</param>
-		public static void ForEach([CanBeNull] this IEnumerable self, Action<object> action)
-		{
-			if (self == null)
-				return;
-			foreach (object i in self)
-				action(i);
-		}
-		
-		public static async Task ForEachAsync<T>([CanBeNull] this IEnumerable<T> self, Func<T, Task> action)
-		{
-			if (self == null)
-				return;
-			foreach (T i in self)
-				await action(i);
-		}
-		
-		public static async Task ForEachAsync<T>([CanBeNull] this IAsyncEnumerable<T> self, Action<T> action)
-		{
-			if (self == null)
-				return;
-			await foreach (T i in self)
-				action(i);
-		}
-		
-		public static async Task ForEachAsync([CanBeNull] this IEnumerable self, Func<object, Task> action)
-		{
-			if (self == null)
-				return;
-			foreach (object i in self)
-				await action(i);
-		}
-
-		public static MethodInfo GetMethod(Type type, BindingFlags flag, string name, Type[] generics, object[] args)
-		{
-			MethodInfo[] methods = type.GetMethods(flag | BindingFlags.Public)
-				.Where(x => x.Name == name)
-				.Where(x => x.GetGenericArguments().Length == generics.Length)
-				.Where(x => x.GetParameters().Length == args.Length)
-				.IfEmpty(() => throw new NullReferenceException($"A method named {name} with " +
-				                                                $"{args.Length} arguments and {generics.Length} generic " +
-				                                                $"types could not be found on {type.Name}."))
-				// TODO this won't work but I don't know why.
-				// .Where(x =>
-				// {
-				// 	int i = 0;
-				// 	return x.GetGenericArguments().All(y => y.IsAssignableFrom(generics[i++]));
-				// })
-				// .IfEmpty(() => throw new NullReferenceException($"No method {name} match the generics specified."))
-				
-				// TODO this won't work for Type<T> because T is specified in arguments but not in the parameters type.
-				// .Where(x =>
-				// {
-				// 	int i = 0;
-				// 	return x.GetParameters().All(y => y.ParameterType.IsInstanceOfType(args[i++]));
-				// })
-				// .IfEmpty(() => throw new NullReferenceException($"No method {name} match the parameters's types."))
-				.Take(2)
-				.ToArray();
-
-			if (methods.Length == 1)
-				return methods[0];
-			throw new NullReferenceException($"Multiple methods named {name} match the generics and parameters constraints.");
-		}
-		
-		public static T RunGenericMethod<T>(
-			[NotNull] Type owner, 
-			[NotNull] string methodName,
-			[NotNull] Type type,
-			params object[] args)
-		{
-			return RunGenericMethod<T>(owner, methodName, new[] {type}, args);
-		}
-		
-		public static T RunGenericMethod<T>(
-			[NotNull] Type owner, 
-			[NotNull] string methodName,
-			[NotNull] Type[] types,
-			params object[] args)
-		{
-			if (owner == null)
-				throw new ArgumentNullException(nameof(owner));
-			if (methodName == null)
-				throw new ArgumentNullException(nameof(methodName));
-			if (types == null)
-				throw new ArgumentNullException(nameof(types));
-			if (types.Length < 1)
-				throw new ArgumentException($"The {nameof(types)} array is empty. At least one type is needed.");
-			MethodInfo method = GetMethod(owner, BindingFlags.Static, methodName, types, args);
-			return (T)method.MakeGenericMethod(types).Invoke(null, args?.ToArray());
-		}
-
-		public static T RunGenericMethod<T>(
-			[NotNull] object instance,
-			[NotNull] string methodName,
-			[NotNull] Type type,
-			params object[] args)
-		{
-			return RunGenericMethod<T>(instance, methodName, new[] {type}, args);
-		}
-
-		public static T RunGenericMethod<T>(
-			[NotNull] object instance, 
-			[NotNull] string methodName,
-			[NotNull] Type[] types,
-			params object[] args)
-		{
-			if (instance == null)
-				throw new ArgumentNullException(nameof(instance));
-			if (methodName == null)
-				throw new ArgumentNullException(nameof(methodName));
-			if (types == null || types.Length == 0)
-				throw new ArgumentNullException(nameof(types));
-			MethodInfo method = GetMethod(instance.GetType(), BindingFlags.Instance, methodName, types, args);
-			return (T)method.MakeGenericMethod(types).Invoke(instance, args?.ToArray());
-		}
-
-		[NotNull]
-		public static Type GetEnumerableType([NoEnumeration] [NotNull] IEnumerable list)
-		{
-			if (list == null)
-				throw new ArgumentNullException(nameof(list));
-			Type type = list.GetType().GetInterfaces().FirstOrDefault(t => typeof(IEnumerable).IsAssignableFrom(t) 
-			                                                         && t.GetGenericArguments().Any()) ?? list.GetType();
-			return type.GetGenericArguments().First();
-		}
-		
-		public static Type GetEnumerableType([NotNull] Type listType)
-		{
-			if (listType == null)
-				throw new ArgumentNullException(nameof(listType));
-			if (!typeof(IEnumerable).IsAssignableFrom(listType))
-				throw new InvalidOperationException($"The {nameof(listType)} parameter was not an IEnumerable.");
-			Type type = listType.GetInterfaces().FirstOrDefault(t => typeof(IEnumerable).IsAssignableFrom(t) 
-			                                                && t.GetGenericArguments().Any()) ?? listType;
-			return type.GetGenericArguments().First();
-		}
-
-		public static IEnumerable<List<T>> BatchBy<T>(this List<T> list, int countPerList)
-		{
-			for (int i = 0; i < list.Count; i += countPerList)
-				yield return list.GetRange(i, Math.Min(list.Count - i, countPerList));
-		}
-		
-		public static IEnumerable<T[]> BatchBy<T>(this IEnumerable<T> list, int countPerList)
-		{
-			T[] ret = new T[countPerList];
-			int i = 0;
-			
-			using IEnumerator<T> enumerator = list.GetEnumerator();
-			while (enumerator.MoveNext())
-			{
-				ret[i] = enumerator.Current;
-				i++;
-				if (i < countPerList)
-					continue;
-				i = 0;
-				yield return ret;
-			}
-
-			Array.Resize(ref ret, i);
-			yield return ret;
-		}
-		
-		public static string ToQueryString(this Dictionary<string, string> query)
-		{
-			if (!query.Any())
-				return string.Empty;
-			return "?" + string.Join('&', query.Select(x => $"{x.Key}={x.Value}"));
-		}
-
-		[System.Diagnostics.CodeAnalysis.DoesNotReturn]
-		public static void ReThrow([NotNull] this Exception ex)
-		{
-			if (ex == null)
-				throw new ArgumentNullException(nameof(ex));
-			ExceptionDispatchInfo.Capture(ex).Throw();
-		}
-		
-		public static Task<T> Then<T>(this Task<T> task, Action<T> map)
-		{
-			return task.ContinueWith(x =>
-			{
-				if (x.IsFaulted)
-					x.Exception!.InnerException!.ReThrow();
-				if (x.IsCanceled)
-					throw new TaskCanceledException();
-				map(x.Result);
-				return x.Result;
-			}, TaskContinuationOptions.ExecuteSynchronously);
-		}
-
-		public static Task<TResult> Map<T, TResult>(this Task<T> task, Func<T, TResult> map)
-		{
-			return task.ContinueWith(x =>
-			{
-				if (x.IsFaulted)
-					x.Exception!.InnerException!.ReThrow();
-				if (x.IsCanceled)
-					throw new TaskCanceledException();
-				return map(x.Result);
-			}, TaskContinuationOptions.ExecuteSynchronously);
-		}
-
-		public static Task<T> Cast<T>(this Task task)
-		{
-			return task.ContinueWith(x =>
-			{
-				if (x.IsFaulted)
-					x.Exception!.InnerException!.ReThrow();
-				if (x.IsCanceled)
-					throw new TaskCanceledException();
-				return (T)((dynamic)x).Result;
-			}, TaskContinuationOptions.ExecuteSynchronously);
-		}
-
-		/// <summary>
-		/// Get a friendly type name (supporting generics)
-		/// For example a list of string will be displayed as List&lt;string&gt; and not as List`1.
-		/// </summary>
-		/// <param name="type">The type to use</param>
-		/// <returns>The friendly name of the type</returns>
-		public static string FriendlyName(this Type type)
-		{
-			if (!type.IsGenericType)
-				return type.Name;
-			string generics = string.Join(", ", type.GetGenericArguments().Select(x => x.FriendlyName()));
-			return $"{type.Name[..type.Name.IndexOf('`')]}<{generics}>";
-		}
-	}
-}

Kyoo.Common/Utility/EnumerableExtensions.cs

@@ -0,0 +1,279 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+
+namespace Kyoo
+{
+	/// <summary>
+	/// A set of extensions class for enumerable.
+	/// </summary>
+	public static class EnumerableExtensions
+	{
+		/// <summary>
+		/// A Select where the index of the item can be used.
+		/// </summary>
+		/// <param name="self">The IEnumerable to map. If self is null, an empty list is returned</param>
+		/// <param name="mapper">The function that will map each items</param>
+		/// <typeparam name="T">The type of items in <see cref="self"/></typeparam>
+		/// <typeparam name="T2">The type of items in the returned list</typeparam>
+		/// <returns>The list mapped.</returns>
+		/// <exception cref="ArgumentNullException">The list or the mapper can't be null</exception>
+		[LinqTunnel]
+		public static IEnumerable<T2> Map<T, T2>([NotNull] this IEnumerable<T> self,
+			[NotNull] Func<T, int, T2> mapper)
+		{
+			if (self == null)
+				throw new ArgumentNullException(nameof(self));
+			if (mapper == null)
+				throw new ArgumentNullException(nameof(mapper));
+
+			static IEnumerable<T2> Generator(IEnumerable<T> self, Func<T, int, T2> mapper)
+			{
+				using IEnumerator<T> enumerator = self.GetEnumerator();
+				int index = 0;
+
+				while (enumerator.MoveNext())
+				{
+					yield return mapper(enumerator.Current, index);
+					index++;
+				}
+			}
+			return Generator(self, mapper);
+		}
+		
+		/// <summary>
+		/// A map where the mapping function is asynchronous.
+		/// Note: <see cref="SelectAsync{T,T2}"/> might interest you. 
+		/// </summary>
+		/// <param name="self">The IEnumerable to map.</param>
+		/// <param name="mapper">The asynchronous function that will map each items</param>
+		/// <typeparam name="T">The type of items in <see cref="self"/></typeparam>
+		/// <typeparam name="T2">The type of items in the returned list</typeparam>
+		/// <returns>The list mapped as an AsyncEnumerable</returns>
+		/// <exception cref="ArgumentNullException">The list or the mapper can't be null</exception>
+		[LinqTunnel]
+		public static IAsyncEnumerable<T2> MapAsync<T, T2>([NotNull] this IEnumerable<T> self, 
+			[NotNull] Func<T, int, Task<T2>> mapper)
+		{
+			if (self == null)
+				throw new ArgumentNullException(nameof(self));
+			if (mapper == null)
+				throw new ArgumentNullException(nameof(mapper));
+
+			static async IAsyncEnumerable<T2> Generator(IEnumerable<T> self, Func<T, int, Task<T2>> mapper)
+			{
+				using IEnumerator<T> enumerator = self.GetEnumerator();
+				int index = 0;
+
+				while (enumerator.MoveNext())
+				{
+					yield return await mapper(enumerator.Current, index);
+					index++;
+				}
+			}
+
+			return Generator(self, mapper);
+		}
+		
+		/// <summary>
+		/// An asynchronous version of Select.
+		/// </summary>
+		/// <param name="self">The IEnumerable to map</param>
+		/// <param name="mapper">The asynchronous function that will map each items</param>
+		/// <typeparam name="T">The type of items in <see cref="self"/></typeparam>
+		/// <typeparam name="T2">The type of items in the returned list</typeparam>
+		/// <returns>The list mapped as an AsyncEnumerable</returns>
+		/// <exception cref="ArgumentNullException">The list or the mapper can't be null</exception>
+		[LinqTunnel]
+		public static IAsyncEnumerable<T2> SelectAsync<T, T2>([NotNull] this IEnumerable<T> self, 
+			[NotNull] Func<T, Task<T2>> mapper)
+		{
+			if (self == null)
+				throw new ArgumentNullException(nameof(self));
+			if (mapper == null)
+				throw new ArgumentNullException(nameof(mapper));
+
+			static async IAsyncEnumerable<T2> Generator(IEnumerable<T> self, Func<T, Task<T2>> mapper)
+			{
+				using IEnumerator<T> enumerator = self.GetEnumerator();
+
+				while (enumerator.MoveNext())
+					yield return await mapper(enumerator.Current);
+			}
+
+			return Generator(self, mapper);
+		}
+
+		/// <summary>
+		/// Convert an AsyncEnumerable to a List by waiting for every item.
+		/// </summary>
+		/// <param name="self">The async list</param>
+		/// <typeparam name="T">The type of items in the async list and in the returned list.</typeparam>
+		/// <returns>A task that will return a simple list</returns>
+		/// <exception cref="ArgumentNullException">The list can't be null</exception>
+		[LinqTunnel]
+		public static Task<List<T>> ToListAsync<T>([NotNull] this IAsyncEnumerable<T> self)
+		{
+			if (self == null)
+				throw new ArgumentNullException(nameof(self));
+
+			static async Task<List<T>> ToList(IAsyncEnumerable<T> self)
+			{
+				List<T> ret = new();
+				await foreach (T i in self)
+					ret.Add(i);
+				return ret;
+			}
+
+			return ToList(self);
+		}
+
+		/// <summary>
+		/// If the enumerable is empty, execute an action.
+		/// </summary>
+		/// <param name="self">The enumerable to check</param>
+		/// <param name="action">The action to execute is the list is empty</param>
+		/// <typeparam name="T">The type of items inside the list</typeparam>
+		/// <exception cref="ArgumentNullException">The iterable and the action can't be null.</exception>
+		/// <returns>The iterator proxied, there is no dual iterations.</returns>
+		[LinqTunnel]
+		public static IEnumerable<T> IfEmpty<T>([NotNull] this IEnumerable<T> self, [NotNull] Action action)
+		{
+			if (self == null)
+				throw new ArgumentNullException(nameof(self));
+			if (action == null)
+				throw new ArgumentNullException(nameof(action));
+
+			static IEnumerable<T> Generator(IEnumerable<T> self, Action action)
+			{
+				using IEnumerator<T> enumerator = self.GetEnumerator();
+
+				if (!enumerator.MoveNext())
+				{
+					action();
+					yield break;
+				}
+
+				do
+				{
+					yield return enumerator.Current;
+				} 
+				while (enumerator.MoveNext());
+			}
+
+			return Generator(self, action);
+		}
+
+		/// <summary>
+		/// A foreach used as a function with a little specificity: the list can be null.
+		/// </summary>
+		/// <param name="self">The list to enumerate. If this is null, the function result in a no-op</param>
+		/// <param name="action">The action to execute for each arguments</param>
+		/// <typeparam name="T">The type of items in the list</typeparam>
+		public static void ForEach<T>([CanBeNull] this IEnumerable<T> self, Action<T> action)
+		{
+			if (self == null)
+				return;
+			foreach (T i in self)
+				action(i);
+		}
+		
+		/// <summary>
+		/// A foreach used as a function with a little specificity: the list can be null.
+		/// </summary>
+		/// <param name="self">The list to enumerate. If this is null, the function result in a no-op</param>
+		/// <param name="action">The action to execute for each arguments</param>
+		public static void ForEach([CanBeNull] this IEnumerable self, Action<object> action)
+		{
+			if (self == null)
+				return;
+			foreach (object i in self)
+				action(i);
+		}
+		
+		/// <summary>
+		/// A foreach used as a function with a little specificity: the list can be null.
+		/// </summary>
+		/// <param name="self">The list to enumerate. If this is null, the function result in a no-op</param>
+		/// <param name="action">The action to execute for each arguments</param>
+		public static async Task ForEachAsync([CanBeNull] this IEnumerable self, Func<object, Task> action)
+		{
+			if (self == null)
+				return;
+			foreach (object i in self)
+				await action(i);
+		}
+		
+		/// <summary>
+		/// A foreach used as a function with a little specificity: the list can be null.
+		/// </summary>
+		/// <param name="self">The list to enumerate. If this is null, the function result in a no-op</param>
+		/// <param name="action">The asynchronous action to execute for each arguments</param>
+		/// <typeparam name="T">The type of items in the list.</typeparam>
+		public static async Task ForEachAsync<T>([CanBeNull] this IEnumerable<T> self, Func<T, Task> action)
+		{
+			if (self == null)
+				return;
+			foreach (T i in self)
+				await action(i);
+		}
+		
+		/// <summary>
+		/// A foreach used as a function with a little specificity: the list can be null.
+		/// </summary>
+		/// <param name="self">The async list to enumerate. If this is null, the function result in a no-op</param>
+		/// <param name="action">The action to execute for each arguments</param>
+		/// <typeparam name="T">The type of items in the list.</typeparam>
+		public static async Task ForEachAsync<T>([CanBeNull] this IAsyncEnumerable<T> self, Action<T> action)
+		{
+			if (self == null)
+				return;
+			await foreach (T i in self)
+				action(i);
+		}
+		
+		/// <summary>
+		/// Split a list in a small chunk of data.
+		/// </summary>
+		/// <param name="list">The list to split</param>
+		/// <param name="countPerList">The number of items in each chunk</param>
+		/// <typeparam name="T">The type of data in the initial list.</typeparam>
+		/// <returns>A list of chunks</returns>
+		[LinqTunnel]
+		public static IEnumerable<List<T>> BatchBy<T>(this List<T> list, int countPerList)
+		{
+			for (int i = 0; i < list.Count; i += countPerList)
+				yield return list.GetRange(i, Math.Min(list.Count - i, countPerList));
+		}
+		
+		/// <summary>
+		/// Split a list in a small chunk of data.
+		/// </summary>
+		/// <param name="list">The list to split</param>
+		/// <param name="countPerList">The number of items in each chunk</param>
+		/// <typeparam name="T">The type of data in the initial list.</typeparam>
+		/// <returns>A list of chunks</returns>
+		[LinqTunnel]
+		public static IEnumerable<T[]> BatchBy<T>(this IEnumerable<T> list, int countPerList)
+		{
+			T[] ret = new T[countPerList];
+			int i = 0;
+			
+			using IEnumerator<T> enumerator = list.GetEnumerator();
+			while (enumerator.MoveNext())
+			{
+				ret[i] = enumerator.Current;
+				i++;
+				if (i < countPerList)
+					continue;
+				i = 0;
+				yield return ret;
+			}
+
+			Array.Resize(ref ret, i);
+			yield return ret;
+		}
+	}
+}

Kyoo.Common/Utility/Merger.cs

@@ -0,0 +1,174 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Reflection;
+using JetBrains.Annotations;
+using Kyoo.Models.Attributes;
+
+namespace Kyoo
+{
+	/// <summary>
+	/// A class containing helper methods to merge objects.
+	/// </summary>
+	public static class Merger
+	{
+		/// <summary>
+		/// Merge two lists, can keep duplicates or remove them.
+		/// </summary>
+		/// <param name="first">The first enumerable to merge</param>
+		/// <param name="second">The second enumerable to merge, if items from this list are equals to one from the first, they are not kept</param>
+		/// <param name="isEqual">Equality function to compare items. If this is null, duplicated elements are kept</param>
+		/// <returns>The two list merged as an array</returns>
+		public static T[] MergeLists<T>(IEnumerable<T> first,
+			IEnumerable<T> second, 
+			Func<T, T, bool> isEqual = null)
+		{
+			if (first == null)
+				return second.ToArray();
+			if (second == null)
+				return first.ToArray();
+			if (isEqual == null)
+				return first.Concat(second).ToArray();
+			List<T> list = first.ToList();
+			return list.Concat(second.Where(x => !list.Any(y => isEqual(x, y)))).ToArray();
+		}
+
+		/// <summary>
+		/// Set every fields of first to those of second. Ignore fields marked with the <see cref="NotMergeableAttribute"/> attribute
+		/// At the end, the OnMerge method of first will be called if first is a <see cref="IOnMerge"/>
+		/// </summary>
+		/// <param name="first">The object to assign</param>
+		/// <param name="second">The object containing new values</param>
+		/// <typeparam name="T">Fields of T will be used</typeparam>
+		/// <returns><see cref="first"/></returns>
+		public static T Assign<T>(T first, T second)
+		{
+			Type type = typeof(T);
+			IEnumerable<PropertyInfo> properties = type.GetProperties()
+				.Where(x => x.CanRead && x.CanWrite 
+				                      && Attribute.GetCustomAttribute(x, typeof(NotMergeableAttribute)) == null);
+			
+			foreach (PropertyInfo property in properties)
+			{
+				object value = property.GetValue(second);
+				property.SetValue(first, value);
+			}
+
+			if (first is IOnMerge merge)
+				merge.OnMerge(second);
+			return first;
+		}
+		
+		/// <summary>
+		/// Set every default values of first to the value of second. ex: {id: 0, slug: "test"}, {id: 4, slug: "foo"} -> {id: 4, slug: "test"}.
+		/// At the end, the OnMerge method of first will be called if first is a <see cref="IOnMerge"/>
+		/// </summary>
+		/// <param name="first">The object to complete</param>
+		/// <param name="second">Missing fields of first will be completed by fields of this item. If second is null, the function no-op.</param>
+		/// <param name="where">Filter fields that will be merged</param>
+		/// <typeparam name="T">Fields of T will be completed</typeparam>
+		/// <returns><see cref="first"/></returns>
+		/// <exception cref="ArgumentNullException">If first is null</exception>
+		public static T Complete<T>([NotNull] T first, [CanBeNull] T second, Func<PropertyInfo, bool> where = null)
+		{
+			if (first == null)
+				throw new ArgumentNullException(nameof(first));
+			if (second == null)
+				return first;
+			
+			Type type = typeof(T);
+			IEnumerable<PropertyInfo> properties = type.GetProperties()
+				.Where(x => x.CanRead && x.CanWrite
+				                      && Attribute.GetCustomAttribute(x, typeof(NotMergeableAttribute)) == null);
+
+			if (where != null)
+				properties = properties.Where(where);
+			
+			foreach (PropertyInfo property in properties)
+			{
+				object value = property.GetValue(second);
+				object defaultValue = property.GetCustomAttribute<DefaultValueAttribute>()?.Value
+					?? property.PropertyType.GetClrDefault();
+
+				if (value?.Equals(defaultValue) == false && value != property.GetValue(first))
+					property.SetValue(first, value);
+			}
+
+			if (first is IOnMerge merge)
+				merge.OnMerge(second);
+			return first;
+		}
+
+		/// <summary>
+		/// An advanced <see cref="Complete{T}"/> function.
+		/// This will set missing values of <see cref="first"/> to the corresponding values of <see cref="second"/>.
+		/// Enumerable will be merged (concatenated).
+		/// At the end, the OnMerge method of first will be called if first is a <see cref="IOnMerge"/>.
+		/// </summary>
+		/// <param name="first">The object to complete</param>
+		/// <param name="second">Missing fields of first will be completed by fields of this item. If second is null, the function no-op.</param>
+		/// <typeparam name="T">Fields of T will be merged</typeparam>
+		/// <returns><see cref="first"/></returns>
+		public static T Merge<T>(T first, T second)
+		{
+			if (first == null)
+				return second;
+			if (second == null)
+				return first;
+			
+			Type type = typeof(T);
+			IEnumerable<PropertyInfo> properties = type.GetProperties()
+				.Where(x => x.CanRead && x.CanWrite 
+				                      && Attribute.GetCustomAttribute(x, typeof(NotMergeableAttribute)) == null);
+			
+			foreach (PropertyInfo property in properties)
+			{
+				object oldValue = property.GetValue(first);
+				object newValue = property.GetValue(second);
+				object defaultValue = property.PropertyType.IsValueType
+					? Activator.CreateInstance(property.PropertyType) 
+					: null;
+				
+				if (oldValue?.Equals(defaultValue) != false)
+					property.SetValue(first, newValue);
+				else if (typeof(IEnumerable).IsAssignableFrom(property.PropertyType)
+				         && property.PropertyType != typeof(string))
+				{
+					Type enumerableType = Utility.GetGenericDefinition(property.PropertyType, typeof(IEnumerable<>))
+						.GenericTypeArguments
+						.First();
+					property.SetValue(first, Utility.RunGenericMethod<object>(
+						typeof(Utility), 
+						nameof(MergeLists),
+						enumerableType, 
+						oldValue, newValue, null));
+				}
+			}
+
+			if (first is IOnMerge merge)
+				merge.OnMerge(second);
+			return first;
+		}
+
+		/// <summary>
+		/// Set every fields of <see cref="obj"/> to the default value.
+		/// </summary>
+		/// <param name="obj">The object to nullify</param>
+		/// <typeparam name="T">Fields of T will be nullified</typeparam>
+		/// <returns><see cref="obj"/></returns>
+		public static T Nullify<T>(T obj)
+		{
+			Type type = typeof(T);
+			foreach (PropertyInfo property in type.GetProperties())
+			{
+				if (!property.CanWrite || property.GetCustomAttribute<ComputedAttribute>() != null)
+					continue;
+				property.SetValue(obj, property.PropertyType.GetClrDefault());
+			}
+
+			return obj;
+		}
+	}
+}

Kyoo.Common/Utility/TaskUtils.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+
+namespace Kyoo
+{
+	/// <summary>
+	/// A class containing helper method for tasks.
+	/// </summary>
+	public static class TaskUtils
+	{
+		/// <summary>
+		/// Run a method after the execution of the task.
+		/// </summary>
+		/// <param name="task">The task to wait.</param>
+		/// <param name="then">
+		/// The method to run after the task finish. This will only be run if the task finished successfully.
+		/// </param>
+		/// <typeparam name="T">The type of the item in the task.</typeparam>
+		/// <returns>A continuation task wrapping the initial task and adding a continuation method.</returns>
+		/// <exception cref="TaskCanceledException"></exception>
+		/// <exception cref="TaskCanceledException">The source task has been canceled.</exception>
+		public static Task<T> Then<T>(this Task<T> task, Action<T> then)
+        {
+        	return task.ContinueWith(x =>
+        	{
+        		if (x.IsFaulted)
+        			x.Exception!.InnerException!.ReThrow();
+        		if (x.IsCanceled)
+        			throw new TaskCanceledException();
+        		then(x.Result);
+        		return x.Result;
+        	}, TaskContinuationOptions.ExecuteSynchronously);
+        }
+
+		/// <summary>
+		/// Map the result of a task to another result.
+		/// </summary>
+		/// <param name="task">The task to map.</param>
+		/// <param name="map">The mapper method, it take the task's result as a parameter and should return the new result.</param>
+		/// <typeparam name="T">The type of returns of the given task</typeparam>
+		/// <typeparam name="TResult">The resulting task after the mapping method</typeparam>
+		/// <returns>A task wrapping the initial task and mapping the initial result.</returns>
+		/// <exception cref="TaskCanceledException">The source task has been canceled.</exception>
+        public static Task<TResult> Map<T, TResult>(this Task<T> task, Func<T, TResult> map)
+        {
+        	return task.ContinueWith(x =>
+        	{
+        		if (x.IsFaulted)
+        			x.Exception!.InnerException!.ReThrow();
+        		if (x.IsCanceled)
+        			throw new TaskCanceledException();
+        		return map(x.Result);
+        	}, TaskContinuationOptions.ExecuteSynchronously);
+        }
+
+        /// <summary>
+        /// A method to return the a default value from a task if the initial task is null.
+        /// </summary>
+        /// <param name="value">The initial task</param>
+        /// <typeparam name="T">The type that the task will return</typeparam>
+        /// <returns>A non-null task.</returns>
+        [NotNull]
+        public static Task<T> DefaultIfNull<T>([CanBeNull] Task<T> value)
+        {
+        	return value ?? Task.FromResult<T>(default);
+        }
+	}
+}

Kyoo.Common/Utility/Utility.cs

@@ -0,0 +1,298 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Runtime.ExceptionServices;
+using System.Text;
+using System.Text.RegularExpressions;
+using JetBrains.Annotations;
+
+namespace Kyoo
+{
+	/// <summary>
+	/// A set of utility functions that can be used everywhere.
+	/// </summary>
+	public static class Utility
+	{
+		/// <summary>
+		/// Is the lambda expression a member (like x => x.Body).
+		/// </summary>
+		/// <param name="ex">The expression that should be checked</param>
+		/// <returns>True if the expression is a member, false otherwise</returns>
+		public static bool IsPropertyExpression(LambdaExpression ex)
+		{
+			if (ex == null)
+				return false;
+			return ex.Body is MemberExpression ||
+			       ex.Body.NodeType == ExpressionType.Convert && ((UnaryExpression)ex.Body).Operand is MemberExpression;
+		}
+		
+		/// <summary>
+		/// Get the name of a property. Useful for selectors as members ex: Load(x => x.Shows)
+		/// </summary>
+		/// <param name="ex">The expression</param>
+		/// <returns>The name of the expression</returns>
+		/// <exception cref="ArgumentException">If the expression is not a property, ArgumentException is thrown.</exception>
+		public static string GetPropertyName(LambdaExpression ex)
+		{
+			if (!IsPropertyExpression(ex))
+				throw new ArgumentException($"{ex} is not a property expression.");
+			MemberExpression member = ex.Body.NodeType == ExpressionType.Convert
+				? ((UnaryExpression)ex.Body).Operand as MemberExpression
+				: ex.Body as MemberExpression;
+			return member!.Member.Name;
+		}
+
+		/// <summary>
+		/// Get the value of a member (property or field)
+		/// </summary>
+		/// <param name="member">The member value</param>
+		/// <param name="obj">The owner of this member</param>
+		/// <returns>The value boxed as an object</returns>
+		/// <exception cref="ArgumentNullException">if <see cref="member"/> or <see cref="obj"/> is null.</exception>
+		/// <exception cref="ArgumentException">The member is not a field or a property.</exception>
+		public static object GetValue([NotNull] this MemberInfo member, [NotNull] object obj)
+		{
+			if (member == null)
+				throw new ArgumentNullException(nameof(member));
+			if (obj == null)
+				throw new ArgumentNullException(nameof(obj));
+			return member switch
+			{
+				PropertyInfo property => property.GetValue(obj),
+				FieldInfo field => field.GetValue(obj),
+				_ => throw new ArgumentException($"Can't get value of a non property/field (member: {member}).")
+			};
+		}
+		
+		/// <summary>
+		/// Slugify a string (Replace spaces by -, Uniformize accents é -> e)
+		/// </summary>
+		/// <param name="str">The string to slugify</param>
+		/// <returns>The slug version of the given string</returns>
+		public static string ToSlug(string str)
+		{
+			if (str == null)
+				return null;
+
+			str = str.ToLowerInvariant();
+			
+			string normalizedString = str.Normalize(NormalizationForm.FormD);
+			StringBuilder stringBuilder = new();
+			foreach (char c in normalizedString)
+			{
+				UnicodeCategory unicodeCategory = CharUnicodeInfo.GetUnicodeCategory(c);
+				if (unicodeCategory != UnicodeCategory.NonSpacingMark)
+					stringBuilder.Append(c);
+			}
+			str = stringBuilder.ToString().Normalize(NormalizationForm.FormC);
+
+			str = Regex.Replace(str, @"\s", "-", RegexOptions.Compiled);
+			str = Regex.Replace(str, @"[^\w\s\p{Pd}]", "", RegexOptions.Compiled);
+			str = str.Trim('-', '_');
+			str = Regex.Replace(str, @"([-_]){2,}", "$1", RegexOptions.Compiled);
+			return str;
+		}
+
+		/// <summary>
+		/// Get the default value of a type.
+		/// </summary>
+		/// <param name="type">The type to get the default value</param>
+		/// <returns>The default value of the given type.</returns>
+		public static object GetClrDefault(this Type type)
+		{
+			return type.IsValueType
+				? Activator.CreateInstance(type) 
+				: null;
+		}
+
+		/// <summary>
+		/// Return every <see cref="Type"/> in the inheritance tree of the parameter (interfaces are not returned)
+		/// </summary>
+		/// <param name="type">The starting type</param>
+		/// <returns>A list of types</returns>
+		/// <exception cref="ArgumentNullException"><see cref="type"/> can't be null</exception>
+		public static IEnumerable<Type> GetInheritanceTree([NotNull] this Type type)
+		{
+			if (type == null)
+				throw new ArgumentNullException(nameof(type));
+			for (; type != null; type = type.BaseType)
+				yield return type;
+		}
+
+		/// <summary>
+		/// Check if <see cref="obj"/> inherit from a generic type <see cref="genericType"/>.
+		/// </summary>
+		/// <param name="obj">Does this object's type is a <see cref="genericType"/></param>
+		/// <param name="genericType">The generic type to check against (Only generic types are supported like typeof(IEnumerable&lt;&gt;).</param>
+		/// <returns>True if obj inherit from genericType. False otherwise</returns>
+		/// <exception cref="ArgumentNullException">obj and genericType can't be null</exception>
+		public static bool IsOfGenericType([NotNull] object obj, [NotNull] Type genericType)
+		{
+			if (obj == null)
+				throw new ArgumentNullException(nameof(obj));
+			return IsOfGenericType(obj.GetType(), genericType);
+		}
+		
+		/// <summary>
+		/// Check if <see cref="type"/> inherit from a generic type <see cref="genericType"/>.
+		/// </summary>
+		/// <param name="type">The type to check</param>
+		/// <param name="genericType">The generic type to check against (Only generic types are supported like typeof(IEnumerable&lt;&gt;).</param>
+		/// <returns>True if obj inherit from genericType. False otherwise</returns>
+		/// <exception cref="ArgumentNullException">obj and genericType can't be null</exception>
+		public static bool IsOfGenericType([NotNull] Type type, [NotNull] Type genericType)
+		{
+			if (type == null)
+				throw new ArgumentNullException(nameof(type));
+			if (genericType == null)
+				throw new ArgumentNullException(nameof(genericType));
+			if (!genericType.IsGenericType)
+				throw new ArgumentException($"{nameof(genericType)} is not a generic type.");
+
+			IEnumerable<Type> types = genericType.IsInterface
+				? type.GetInterfaces()
+				: type.GetInheritanceTree();
+			return types.Any(x => x.IsGenericType && x.GetGenericTypeDefinition() == genericType);
+		}
+
+		/// <summary>
+		/// Get the generic definition of <see cref="genericType"/>.
+		/// For example, calling this function with List&lt;string&gt; and typeof(IEnumerable&lt;&gt;) will return IEnumerable&lt;string&gt;
+		/// </summary>
+		/// <param name="type">The type to check</param>
+		/// <param name="genericType">The generic type to check against (Only generic types are supported like typeof(IEnumerable&lt;&gt;).</param>
+		/// <returns>The generic definition of genericType that type inherit or null if type does not implement the generic type.</returns>
+		/// <exception cref="ArgumentNullException"><see cref="type"/> and <see cref="genericType"/> can't be null</exception>
+		/// <exception cref="ArgumentException"><see cref="genericType"/> must be a generic type</exception>
+		public static Type GetGenericDefinition([NotNull] Type type, [NotNull] Type genericType)
+		{
+			if (type == null)
+				throw new ArgumentNullException(nameof(type));
+			if (genericType == null)
+				throw new ArgumentNullException(nameof(genericType));
+			if (!genericType.IsGenericType)
+				throw new ArgumentException($"{nameof(genericType)} is not a generic type.");
+
+			IEnumerable<Type> types = genericType.IsInterface
+				? type.GetInterfaces()
+				: type.GetInheritanceTree();
+			return types.FirstOrDefault(x => x.IsGenericType && x.GetGenericTypeDefinition() == genericType);
+		}
+
+		public static MethodInfo GetMethod(Type type, BindingFlags flag, string name, Type[] generics, object[] args)
+		{
+			MethodInfo[] methods = type.GetMethods(flag | BindingFlags.Public)
+				.Where(x => x.Name == name)
+				.Where(x => x.GetGenericArguments().Length == generics.Length)
+				.Where(x => x.GetParameters().Length == args.Length)
+				.IfEmpty(() => throw new NullReferenceException($"A method named {name} with " +
+				                                                $"{args.Length} arguments and {generics.Length} generic " +
+				                                                $"types could not be found on {type.Name}."))
+				// TODO this won't work but I don't know why.
+				// .Where(x =>
+				// {
+				// 	int i = 0;
+				// 	return x.GetGenericArguments().All(y => y.IsAssignableFrom(generics[i++]));
+				// })
+				// .IfEmpty(() => throw new NullReferenceException($"No method {name} match the generics specified."))
+				
+				// TODO this won't work for Type<T> because T is specified in arguments but not in the parameters type.
+				// .Where(x =>
+				// {
+				// 	int i = 0;
+				// 	return x.GetParameters().All(y => y.ParameterType.IsInstanceOfType(args[i++]));
+				// })
+				// .IfEmpty(() => throw new NullReferenceException($"No method {name} match the parameters's types."))
+				.Take(2)
+				.ToArray();
+
+			if (methods.Length == 1)
+				return methods[0];
+			throw new NullReferenceException($"Multiple methods named {name} match the generics and parameters constraints.");
+		}
+		
+		public static T RunGenericMethod<T>(
+			[NotNull] Type owner, 
+			[NotNull] string methodName,
+			[NotNull] Type type,
+			params object[] args)
+		{
+			return RunGenericMethod<T>(owner, methodName, new[] {type}, args);
+		}
+		
+		public static T RunGenericMethod<T>(
+			[NotNull] Type owner, 
+			[NotNull] string methodName,
+			[NotNull] Type[] types,
+			params object[] args)
+		{
+			if (owner == null)
+				throw new ArgumentNullException(nameof(owner));
+			if (methodName == null)
+				throw new ArgumentNullException(nameof(methodName));
+			if (types == null)
+				throw new ArgumentNullException(nameof(types));
+			if (types.Length < 1)
+				throw new ArgumentException($"The {nameof(types)} array is empty. At least one type is needed.");
+			MethodInfo method = GetMethod(owner, BindingFlags.Static, methodName, types, args);
+			return (T)method.MakeGenericMethod(types).Invoke(null, args?.ToArray());
+		}
+
+		public static T RunGenericMethod<T>(
+			[NotNull] object instance,
+			[NotNull] string methodName,
+			[NotNull] Type type,
+			params object[] args)
+		{
+			return RunGenericMethod<T>(instance, methodName, new[] {type}, args);
+		}
+
+		public static T RunGenericMethod<T>(
+			[NotNull] object instance, 
+			[NotNull] string methodName,
+			[NotNull] Type[] types,
+			params object[] args)
+		{
+			if (instance == null)
+				throw new ArgumentNullException(nameof(instance));
+			if (methodName == null)
+				throw new ArgumentNullException(nameof(methodName));
+			if (types == null || types.Length == 0)
+				throw new ArgumentNullException(nameof(types));
+			MethodInfo method = GetMethod(instance.GetType(), BindingFlags.Instance, methodName, types, args);
+			return (T)method.MakeGenericMethod(types).Invoke(instance, args?.ToArray());
+		}
+
+		public static string ToQueryString(this Dictionary<string, string> query)
+		{
+			if (!query.Any())
+				return string.Empty;
+			return "?" + string.Join('&', query.Select(x => $"{x.Key}={x.Value}"));
+		}
+
+		[System.Diagnostics.CodeAnalysis.DoesNotReturn]
+		public static void ReThrow([NotNull] this Exception ex)
+		{
+			if (ex == null)
+				throw new ArgumentNullException(nameof(ex));
+			ExceptionDispatchInfo.Capture(ex).Throw();
+		}
+
+		/// <summary>
+		/// Get a friendly type name (supporting generics)
+		/// For example a list of string will be displayed as List&lt;string&gt; and not as List`1.
+		/// </summary>
+		/// <param name="type">The type to use</param>
+		/// <returns>The friendly name of the type</returns>
+		public static string FriendlyName(this Type type)
+		{
+			if (!type.IsGenericType)
+				return type.Name;
+			string generics = string.Join(", ", type.GetGenericArguments().Select(x => x.FriendlyName()));
+			return $"{type.Name[..type.Name.IndexOf('`')]}<{generics}>";
+		}
+	}
+}

Kyoo.CommonAPI/CrudApi.cs

@@ -194,7 +194,7 @@ namespace Kyoo.CommonApi
 		{
 			try
 			{
-				await _repository.DeleteRange(ApiHelper.ParseWhere<T>(where));
+				await _repository.DeleteAll(ApiHelper.ParseWhere<T>(where));
 			}
 			catch (ItemNotFoundException)
 			{

Kyoo.CommonAPI/DatabaseContext.cs

@@ -61,10 +61,6 @@ namespace Kyoo
 		/// </summary>
 		public DbSet<Provider> Providers { get; set; }
 		/// <summary>
-		/// All metadataIDs (ExternalIDs) of Kyoo. See <see cref="MetadataID"/>.
-		/// </summary>
-		public DbSet<MetadataID> MetadataIds { get; set; }
-		/// <summary>
 		/// The list of registered users.
 		/// </summary>
 		public DbSet<User> Users { get; set; }
@@ -79,6 +75,25 @@ namespace Kyoo
 		/// </summary>
 		public DbSet<WatchedEpisode> WatchedEpisodes { get; set; }
 		
+		/// <summary>
+		/// The list of library items (shows and collections that are part of a library - or the global one)
+		/// </summary>
+		/// <remarks>
+		/// This set is ready only, on most database this will be a view.
+		/// </remarks>
+		public DbSet<LibraryItem> LibraryItems { get; set; }
+
+		/// <summary>
+		/// Get all metadataIDs (ExternalIDs) of a given resource. See <see cref="MetadataID{T}"/>.
+		/// </summary>
+		/// <typeparam name="T">The metadata of this type will be returned.</typeparam>
+		/// <returns>A queryable of metadata ids for a type.</returns>
+		public DbSet<MetadataID<T>> MetadataIds<T>()
+			where T : class, IResource
+		{
+			return Set<MetadataID<T>>();
+		}
+		
 		/// <summary>
 		/// Get a generic link between two resource types.
 		/// </summary>
@@ -125,13 +140,27 @@ namespace Kyoo
 		{
 			base.OnModelCreating(modelBuilder);
 
-			modelBuilder.Entity<Track>()
+			modelBuilder.Entity<Show>()
-				.Property(t => t.IsDefault)
+				.HasMany(x => x.Seasons)
-				.ValueGeneratedNever();
+				.WithOne(x => x.Show)
+				.OnDelete(DeleteBehavior.Cascade);
+			modelBuilder.Entity<Show>()
+				.HasMany(x => x.Episodes)
+				.WithOne(x => x.Show)
+				.OnDelete(DeleteBehavior.Cascade);
+			modelBuilder.Entity<Season>()
+				.HasMany(x => x.Episodes)
+				.WithOne(x => x.Season)
+				.OnDelete(DeleteBehavior.Cascade);
+			modelBuilder.Entity<Episode>()
+				.HasMany(x => x.Tracks)
+				.WithOne(x => x.Episode)
+				.OnDelete(DeleteBehavior.Cascade);
 
-			modelBuilder.Entity<Track>()
+			modelBuilder.Entity<Show>()
-				.Property(t => t.IsForced)
+				.HasOne(x => x.Studio)
-				.ValueGeneratedNever();
+				.WithMany(x => x.Shows)
+				.OnDelete(DeleteBehavior.SetNull);
 
 			modelBuilder.Entity<Provider>()
 				.HasMany(x => x.Libraries)
@@ -205,25 +234,41 @@ namespace Kyoo
 						.WithMany(x => x.ShowLinks),
 					y => y.HasKey(Link<User, Show>.PrimaryKey));
 
-			modelBuilder.Entity<MetadataID>()
+			modelBuilder.Entity<MetadataID<Show>>()
-				.HasOne(x => x.Show)
+				.HasKey(MetadataID<Show>.PrimaryKey);
+			modelBuilder.Entity<MetadataID<Show>>()
+				.HasOne(x => x.First)
 				.WithMany(x => x.ExternalIDs)
 				.OnDelete(DeleteBehavior.Cascade);
-			modelBuilder.Entity<MetadataID>()
+			modelBuilder.Entity<MetadataID<Season>>()
-				.HasOne(x => x.Season)
+				.HasKey(MetadataID<Season>.PrimaryKey);
+			modelBuilder.Entity<MetadataID<Season>>()
+				.HasOne(x => x.First)
 				.WithMany(x => x.ExternalIDs)
 				.OnDelete(DeleteBehavior.Cascade);
-			modelBuilder.Entity<MetadataID>()
+			modelBuilder.Entity<MetadataID<Episode>>()
-				.HasOne(x => x.Episode)
+				.HasKey(MetadataID<Episode>.PrimaryKey);
+			modelBuilder.Entity<MetadataID<Episode>>()
+				.HasOne(x => x.First)
 				.WithMany(x => x.ExternalIDs)
 				.OnDelete(DeleteBehavior.Cascade);
-			modelBuilder.Entity<MetadataID>()
+			modelBuilder.Entity<MetadataID<People>>()
-				.HasOne(x => x.People)
+				.HasKey(MetadataID<People>.PrimaryKey);
+			modelBuilder.Entity<MetadataID<People>>()
+				.HasOne(x => x.First)
 				.WithMany(x => x.ExternalIDs)
 				.OnDelete(DeleteBehavior.Cascade);
-			modelBuilder.Entity<MetadataID>()
+			
-				.HasOne(x => x.Provider)
+			
-				.WithMany(x => x.MetadataLinks)
+			modelBuilder.Entity<MetadataID<Show>>().HasOne(x => x.Second).WithMany()
+				.OnDelete(DeleteBehavior.Cascade);
+			modelBuilder.Entity<MetadataID<Season>>().HasOne(x => x.Second).WithMany()
+				.OnDelete(DeleteBehavior.Cascade);
+			modelBuilder.Entity<MetadataID<Episode>>().HasOne(x => x.Second).WithMany()
+				.OnDelete(DeleteBehavior.Cascade);
+			modelBuilder.Entity<MetadataID<People>>().HasOne(x => x.Second).WithMany()
+				.OnDelete(DeleteBehavior.Cascade);
+			modelBuilder.Entity<MetadataID<Show>>().HasOne(x => x.Second).WithMany()
 				.OnDelete(DeleteBehavior.Cascade);
 
 			modelBuilder.Entity<WatchedEpisode>()
@@ -262,15 +307,34 @@ namespace Kyoo
 			modelBuilder.Entity<Season>()
 				.HasIndex(x => new {x.ShowID, x.SeasonNumber})
 				.IsUnique();
+			modelBuilder.Entity<Season>()
+				.HasIndex(x => x.Slug)
+				.IsUnique();
 			modelBuilder.Entity<Episode>()
 				.HasIndex(x => new {x.ShowID, x.SeasonNumber, x.EpisodeNumber, x.AbsoluteNumber})
 				.IsUnique();
+			modelBuilder.Entity<Episode>()
+				.HasIndex(x => x.Slug)
+				.IsUnique();
 			modelBuilder.Entity<Track>()
 				.HasIndex(x => new {x.EpisodeID, x.Type, x.Language, x.TrackIndex, x.IsForced})
 				.IsUnique();
+			modelBuilder.Entity<Track>()
+				.HasIndex(x => x.Slug)
+				.IsUnique();
 			modelBuilder.Entity<User>()
 				.HasIndex(x => x.Slug)
 				.IsUnique();
+
+			modelBuilder.Entity<Season>()
+				.Property(x => x.Slug)
+				.ValueGeneratedOnAddOrUpdate();
+			modelBuilder.Entity<Episode>()
+				.Property(x => x.Slug)
+				.ValueGeneratedOnAddOrUpdate();
+			modelBuilder.Entity<Track>()
+				.Property(x => x.Slug)
+				.ValueGeneratedOnAddOrUpdate();
 		}
 
 		/// <summary>
@@ -441,52 +505,6 @@ namespace Kyoo
 			}
 		}
 
-		/// <summary>
-		/// Save items or retry with a custom method if a duplicate is found.
-		/// </summary>
-		/// <param name="obj">The item to save (other changes of this context will also be saved)</param>
-		/// <param name="onFail">A function to run on fail, the <see cref="obj"/> param wil be mapped.
-		/// The second parameter is the current retry number.</param>
-		/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete</param>
-		/// <typeparam name="T">The type of the item to save</typeparam>
-		/// <returns>The number of state entries written to the database.</returns>
-		public Task<T> SaveOrRetry<T>(T obj, Func<T, int, T> onFail, CancellationToken cancellationToken = new())
-		{
-			return SaveOrRetry(obj, onFail, 0, cancellationToken);
-		}
-		
-		/// <summary>
-		/// Save items or retry with a custom method if a duplicate is found.
-		/// </summary>
-		/// <param name="obj">The item to save (other changes of this context will also be saved)</param>
-		/// <param name="onFail">A function to run on fail, the <see cref="obj"/> param wil be mapped.
-		/// The second parameter is the current retry number.</param>
-		/// <param name="recurse">The current retry number.</param>
-		/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete</param>
-		/// <typeparam name="T">The type of the item to save</typeparam>
-		/// <returns>The number of state entries written to the database.</returns>
-		private async Task<T> SaveOrRetry<T>(T obj,
-			Func<T, int, T> onFail,
-			int recurse,
-			CancellationToken cancellationToken = new())
-		{
-			try
-			{
-				await base.SaveChangesAsync(true, cancellationToken);
-				return obj;
-			}
-			catch (DbUpdateException ex) when (IsDuplicateException(ex))
-			{
-				recurse++;
-				return await SaveOrRetry(onFail(obj, recurse), onFail, recurse, cancellationToken);
-			}
-			catch (DbUpdateException)
-			{
-				DiscardChanges();
-				throw;
-			}
-		}
-
 		/// <summary>
 		/// Check if the exception is a duplicated exception.
 		/// </summary>

Kyoo.CommonAPI/Kyoo.CommonAPI.csproj

@@ -12,8 +12,9 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-	  <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.5" />
+	  <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.8" />
-	  <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.5" />
+	  <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.8" />
+	  <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="5.0.8" />
 	  <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="5.0.0" />
 	</ItemGroup>
 

Kyoo.CommonAPI/LocalRepository.cs

@@ -225,8 +225,8 @@ namespace Kyoo.Controllers
 				T old = await GetWithTracking(edited.ID);
 			
 				if (resetOld)
-					Utility.Nullify(old);
+					old = Merger.Nullify(old);
-				Utility.Complete(old, edited, x => x.GetCustomAttribute<LoadableRelationAttribute>() == null);
+				Merger.Complete(old, edited, x => x.GetCustomAttribute<LoadableRelationAttribute>() == null);
 				await EditRelations(old, edited, resetOld);
 				await Database.SaveChangesAsync();
 				return old;
@@ -257,6 +257,8 @@ namespace Kyoo.Controllers
 		/// <exception cref="ArgumentException">You can throw this if the resource is illegal and should not be saved.</exception>
 		protected virtual Task Validate(T resource)
 		{
+			if (typeof(T).GetProperty(nameof(resource.Slug))!.GetCustomAttribute<ComputedAttribute>() != null)
+				return Task.CompletedTask;
 			if (string.IsNullOrEmpty(resource.Slug))
 				throw new ArgumentException("Resource can't have null as a slug.");
 			if (int.TryParse(resource.Slug, out int _))
@@ -295,31 +297,10 @@ namespace Kyoo.Controllers
 		public abstract Task Delete(T obj);
 		
 		/// <inheritdoc/>
-		public virtual async Task DeleteRange(IEnumerable<T> objs)
+		public async Task DeleteAll(Expression<Func<T, bool>> where)
 		{
-			foreach (T obj in objs)
+			foreach (T resource in await GetAll(where))
-				await Delete(obj);
+				await Delete(resource);
-		}
-		
-		/// <inheritdoc/>
-		public virtual async Task DeleteRange(IEnumerable<int> ids)
-		{
-			foreach (int id in ids)
-				await Delete(id);
-		}
-		
-		/// <inheritdoc/>
-		public virtual async Task DeleteRange(IEnumerable<string> slugs)
-		{
-			foreach (string slug in slugs)
-				await Delete(slug);
-		}
-		
-		/// <inheritdoc/>
-		public async Task DeleteRange(Expression<Func<T, bool>> where)
-		{
-			ICollection<T> resources = await GetAll(where);
-			await DeleteRange(resources);
 		}
 	}
 }

Kyoo.Postgresql/Kyoo.Postgresql.csproj

@@ -1,5 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
 	<PropertyGroup>
 		<TargetFramework>net5.0</TargetFramework>
 
@@ -9,33 +8,34 @@
 		<LangVersion>default</LangVersion>
 	</PropertyGroup>
 	
-	<PropertyGroup>
+<!--	<PropertyGroup>-->
-		<OutputPath>../Kyoo/bin/$(Configuration)/$(TargetFramework)/plugins/postgresql</OutputPath>
+<!--		<OutputPath>../Kyoo/bin/$(Configuration)/$(TargetFramework)/plugins/postgresql</OutputPath>-->
-		<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+<!--		<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>-->
-		<ProduceReferenceAssembly>false</ProduceReferenceAssembly>
+<!--		<ProduceReferenceAssembly>false</ProduceReferenceAssembly>-->
-		<GenerateDependencyFile>false</GenerateDependencyFile>
+<!--		<GenerateDependencyFile>false</GenerateDependencyFile>-->
-		<GenerateRuntimeConfigurationFiles>false</GenerateRuntimeConfigurationFiles>
+<!--		<GenerateRuntimeConfigurationFiles>false</GenerateRuntimeConfigurationFiles>-->
-		<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+<!--		<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>-->
-	</PropertyGroup>
+<!--	</PropertyGroup>-->
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.5">
+		<PackageReference Include="EFCore.NamingConventions" Version="5.0.2" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.8">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="5.0.5.1" />
+		<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="5.0.7" />
 	</ItemGroup>
 
 	<ItemGroup>
 		<ProjectReference Include="../Kyoo.CommonAPI/Kyoo.CommonAPI.csproj">
-			<PrivateAssets>all</PrivateAssets>
+<!--			<PrivateAssets>all</PrivateAssets>-->
-			<Private>false</Private>
+<!--			<Private>false</Private>-->
-			<ExcludeAssets>runtime</ExcludeAssets>
+<!--			<ExcludeAssets>runtime</ExcludeAssets>-->
 		</ProjectReference>
 		<ProjectReference Include="../Kyoo.Common/Kyoo.Common.csproj">
-			<PrivateAssets>all</PrivateAssets>
+<!--			<PrivateAssets>all</PrivateAssets>-->
-			<Private>false</Private>
+<!--			<Private>false</Private>-->
-			<ExcludeAssets>runtime</ExcludeAssets>
+<!--			<ExcludeAssets>runtime</ExcludeAssets>-->
 		</ProjectReference>
 	</ItemGroup>
 </Project>

Kyoo.Postgresql/Migrations/20210627141933_Initial.cs

@@ -0,0 +1,782 @@
+using System;
+using System.Collections.Generic;
+using Kyoo.Models;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+namespace Kyoo.Postgresql.Migrations
+{
+    public partial class Initial : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterDatabase()
+                .Annotation("Npgsql:Enum:item_type", "show,movie,collection")
+                .Annotation("Npgsql:Enum:status", "finished,airing,planned,unknown")
+                .Annotation("Npgsql:Enum:stream_type", "unknown,video,audio,subtitle,attachment");
+
+            migrationBuilder.CreateTable(
+                name: "collections",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    name = table.Column<string>(type: "text", nullable: true),
+                    poster = table.Column<string>(type: "text", nullable: true),
+                    overview = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_collections", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "genres",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    name = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_genres", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "libraries",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    name = table.Column<string>(type: "text", nullable: true),
+                    paths = table.Column<string[]>(type: "text[]", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_libraries", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "people",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    name = table.Column<string>(type: "text", nullable: true),
+                    poster = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_people", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "providers",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    name = table.Column<string>(type: "text", nullable: true),
+                    logo = table.Column<string>(type: "text", nullable: true),
+                    logo_extension = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_providers", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "studios",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    name = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_studios", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "users",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    username = table.Column<string>(type: "text", nullable: true),
+                    email = table.Column<string>(type: "text", nullable: true),
+                    password = table.Column<string>(type: "text", nullable: true),
+                    permissions = table.Column<string[]>(type: "text[]", nullable: true),
+                    extra_data = table.Column<Dictionary<string, string>>(type: "jsonb", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_users", x => x.id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "link_library_collection",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_link_library_collection", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_link_library_collection_collections_second_id",
+                        column: x => x.second_id,
+                        principalTable: "collections",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_link_library_collection_libraries_first_id",
+                        column: x => x.first_id,
+                        principalTable: "libraries",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "link_library_provider",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_link_library_provider", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_link_library_provider_libraries_first_id",
+                        column: x => x.first_id,
+                        principalTable: "libraries",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_link_library_provider_providers_second_id",
+                        column: x => x.second_id,
+                        principalTable: "providers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "metadata_id_people",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false),
+                    data_id = table.Column<string>(type: "text", nullable: true),
+                    link = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_metadata_id_people", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_metadata_id_people_people_first_id",
+                        column: x => x.first_id,
+                        principalTable: "people",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_metadata_id_people_providers_second_id",
+                        column: x => x.second_id,
+                        principalTable: "providers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "shows",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: false),
+                    title = table.Column<string>(type: "text", nullable: true),
+                    aliases = table.Column<string[]>(type: "text[]", nullable: true),
+                    path = table.Column<string>(type: "text", nullable: true),
+                    overview = table.Column<string>(type: "text", nullable: true),
+                    status = table.Column<Status>(type: "status", nullable: true),
+                    trailer_url = table.Column<string>(type: "text", nullable: true),
+                    start_air = table.Column<DateTime>(type: "timestamp without time zone", nullable: true),
+                    end_air = table.Column<DateTime>(type: "timestamp without time zone", nullable: true),
+                    poster = table.Column<string>(type: "text", nullable: true),
+                    logo = table.Column<string>(type: "text", nullable: true),
+                    backdrop = table.Column<string>(type: "text", nullable: true),
+                    is_movie = table.Column<bool>(type: "boolean", nullable: false),
+                    studio_id = table.Column<int>(type: "integer", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_shows", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_shows_studios_studio_id",
+                        column: x => x.studio_id,
+                        principalTable: "studios",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.SetNull);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "link_collection_show",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_link_collection_show", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_link_collection_show_collections_first_id",
+                        column: x => x.first_id,
+                        principalTable: "collections",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_link_collection_show_shows_second_id",
+                        column: x => x.second_id,
+                        principalTable: "shows",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "link_library_show",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_link_library_show", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_link_library_show_libraries_first_id",
+                        column: x => x.first_id,
+                        principalTable: "libraries",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_link_library_show_shows_second_id",
+                        column: x => x.second_id,
+                        principalTable: "shows",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "link_show_genre",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_link_show_genre", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_link_show_genre_genres_second_id",
+                        column: x => x.second_id,
+                        principalTable: "genres",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_link_show_genre_shows_first_id",
+                        column: x => x.first_id,
+                        principalTable: "shows",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "link_user_show",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_link_user_show", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_link_user_show_shows_second_id",
+                        column: x => x.second_id,
+                        principalTable: "shows",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_link_user_show_users_first_id",
+                        column: x => x.first_id,
+                        principalTable: "users",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "metadata_id_show",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false),
+                    data_id = table.Column<string>(type: "text", nullable: true),
+                    link = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_metadata_id_show", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_metadata_id_show_providers_second_id",
+                        column: x => x.second_id,
+                        principalTable: "providers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_metadata_id_show_shows_first_id",
+                        column: x => x.first_id,
+                        principalTable: "shows",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "people_roles",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    for_people = table.Column<bool>(type: "boolean", nullable: false),
+                    people_id = table.Column<int>(type: "integer", nullable: false),
+                    show_id = table.Column<int>(type: "integer", nullable: false),
+                    type = table.Column<string>(type: "text", nullable: true),
+                    role = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_people_roles", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_people_roles_people_people_id",
+                        column: x => x.people_id,
+                        principalTable: "people",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_people_roles_shows_show_id",
+                        column: x => x.show_id,
+                        principalTable: "shows",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "seasons",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: true),
+                    show_id = table.Column<int>(type: "integer", nullable: false),
+                    season_number = table.Column<int>(type: "integer", nullable: false),
+                    title = table.Column<string>(type: "text", nullable: true),
+                    overview = table.Column<string>(type: "text", nullable: true),
+                    start_date = table.Column<DateTime>(type: "timestamp without time zone", nullable: true),
+                    end_date = table.Column<DateTime>(type: "timestamp without time zone", nullable: true),
+                    poster = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_seasons", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_seasons_shows_show_id",
+                        column: x => x.show_id,
+                        principalTable: "shows",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "episodes",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: true),
+                    show_id = table.Column<int>(type: "integer", nullable: false),
+                    season_id = table.Column<int>(type: "integer", nullable: true),
+                    season_number = table.Column<int>(type: "integer", nullable: true),
+                    episode_number = table.Column<int>(type: "integer", nullable: true),
+                    absolute_number = table.Column<int>(type: "integer", nullable: true),
+                    path = table.Column<string>(type: "text", nullable: true),
+                    thumb = table.Column<string>(type: "text", nullable: true),
+                    title = table.Column<string>(type: "text", nullable: true),
+                    overview = table.Column<string>(type: "text", nullable: true),
+                    release_date = table.Column<DateTime>(type: "timestamp without time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_episodes", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_episodes_seasons_season_id",
+                        column: x => x.season_id,
+                        principalTable: "seasons",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_episodes_shows_show_id",
+                        column: x => x.show_id,
+                        principalTable: "shows",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "metadata_id_season",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false),
+                    data_id = table.Column<string>(type: "text", nullable: true),
+                    link = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_metadata_id_season", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_metadata_id_season_providers_second_id",
+                        column: x => x.second_id,
+                        principalTable: "providers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_metadata_id_season_seasons_first_id",
+                        column: x => x.first_id,
+                        principalTable: "seasons",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "metadata_id_episode",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false),
+                    data_id = table.Column<string>(type: "text", nullable: true),
+                    link = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_metadata_id_episode", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_metadata_id_episode_episodes_first_id",
+                        column: x => x.first_id,
+                        principalTable: "episodes",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_metadata_id_episode_providers_second_id",
+                        column: x => x.second_id,
+                        principalTable: "providers",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "tracks",
+                columns: table => new
+                {
+                    id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    slug = table.Column<string>(type: "text", nullable: true),
+                    title = table.Column<string>(type: "text", nullable: true),
+                    language = table.Column<string>(type: "text", nullable: true),
+                    codec = table.Column<string>(type: "text", nullable: true),
+                    is_default = table.Column<bool>(type: "boolean", nullable: false),
+                    is_forced = table.Column<bool>(type: "boolean", nullable: false),
+                    is_external = table.Column<bool>(type: "boolean", nullable: false),
+                    path = table.Column<string>(type: "text", nullable: true),
+                    type = table.Column<StreamType>(type: "stream_type", nullable: false),
+                    episode_id = table.Column<int>(type: "integer", nullable: false),
+                    track_index = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_tracks", x => x.id);
+                    table.ForeignKey(
+                        name: "fk_tracks_episodes_episode_id",
+                        column: x => x.episode_id,
+                        principalTable: "episodes",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "watched_episodes",
+                columns: table => new
+                {
+                    first_id = table.Column<int>(type: "integer", nullable: false),
+                    second_id = table.Column<int>(type: "integer", nullable: false),
+                    watched_percentage = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("pk_watched_episodes", x => new { x.first_id, x.second_id });
+                    table.ForeignKey(
+                        name: "fk_watched_episodes_episodes_second_id",
+                        column: x => x.second_id,
+                        principalTable: "episodes",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "fk_watched_episodes_users_first_id",
+                        column: x => x.first_id,
+                        principalTable: "users",
+                        principalColumn: "id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_collections_slug",
+                table: "collections",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_episodes_season_id",
+                table: "episodes",
+                column: "season_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_episodes_show_id_season_number_episode_number_absolute_numb",
+                table: "episodes",
+                columns: new[] { "show_id", "season_number", "episode_number", "absolute_number" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_episodes_slug",
+                table: "episodes",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_genres_slug",
+                table: "genres",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_libraries_slug",
+                table: "libraries",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_link_collection_show_second_id",
+                table: "link_collection_show",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_link_library_collection_second_id",
+                table: "link_library_collection",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_link_library_provider_second_id",
+                table: "link_library_provider",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_link_library_show_second_id",
+                table: "link_library_show",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_link_show_genre_second_id",
+                table: "link_show_genre",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_link_user_show_second_id",
+                table: "link_user_show",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_metadata_id_episode_second_id",
+                table: "metadata_id_episode",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_metadata_id_people_second_id",
+                table: "metadata_id_people",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_metadata_id_season_second_id",
+                table: "metadata_id_season",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_metadata_id_show_second_id",
+                table: "metadata_id_show",
+                column: "second_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_people_slug",
+                table: "people",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_people_roles_people_id",
+                table: "people_roles",
+                column: "people_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_people_roles_show_id",
+                table: "people_roles",
+                column: "show_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_providers_slug",
+                table: "providers",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_seasons_show_id_season_number",
+                table: "seasons",
+                columns: new[] { "show_id", "season_number" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_seasons_slug",
+                table: "seasons",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_shows_slug",
+                table: "shows",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_shows_studio_id",
+                table: "shows",
+                column: "studio_id");
+
+            migrationBuilder.CreateIndex(
+                name: "ix_studios_slug",
+                table: "studios",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_tracks_episode_id_type_language_track_index_is_forced",
+                table: "tracks",
+                columns: new[] { "episode_id", "type", "language", "track_index", "is_forced" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_tracks_slug",
+                table: "tracks",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_users_slug",
+                table: "users",
+                column: "slug",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "ix_watched_episodes_second_id",
+                table: "watched_episodes",
+                column: "second_id");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "link_collection_show");
+
+            migrationBuilder.DropTable(
+                name: "link_library_collection");
+
+            migrationBuilder.DropTable(
+                name: "link_library_provider");
+
+            migrationBuilder.DropTable(
+                name: "link_library_show");
+
+            migrationBuilder.DropTable(
+                name: "link_show_genre");
+
+            migrationBuilder.DropTable(
+                name: "link_user_show");
+
+            migrationBuilder.DropTable(
+                name: "metadata_id_episode");
+
+            migrationBuilder.DropTable(
+                name: "metadata_id_people");
+
+            migrationBuilder.DropTable(
+                name: "metadata_id_season");
+
+            migrationBuilder.DropTable(
+                name: "metadata_id_show");
+
+            migrationBuilder.DropTable(
+                name: "people_roles");
+
+            migrationBuilder.DropTable(
+                name: "tracks");
+
+            migrationBuilder.DropTable(
+                name: "watched_episodes");
+
+            migrationBuilder.DropTable(
+                name: "collections");
+
+            migrationBuilder.DropTable(
+                name: "libraries");
+
+            migrationBuilder.DropTable(
+                name: "genres");
+
+            migrationBuilder.DropTable(
+                name: "providers");
+
+            migrationBuilder.DropTable(
+                name: "people");
+
+            migrationBuilder.DropTable(
+                name: "episodes");
+
+            migrationBuilder.DropTable(
+                name: "users");
+
+            migrationBuilder.DropTable(
+                name: "seasons");
+
+            migrationBuilder.DropTable(
+                name: "shows");
+
+            migrationBuilder.DropTable(
+                name: "studios");
+        }
+    }
+}

Kyoo.Postgresql/Migrations/20210627141941_Triggers.cs

@@ -0,0 +1,186 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Kyoo.Postgresql.Migrations
+{
+	public partial class Triggers : Migration
+	{
+		protected override void Up(MigrationBuilder migrationBuilder)
+		{
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE FUNCTION season_slug_update()
+			RETURNS TRIGGER
+			LANGUAGE PLPGSQL
+			AS $$
+			BEGIN
+				NEW.slug := CONCAT(
+					(SELECT slug FROM shows WHERE id = NEW.show_id),
+					'-s',
+					NEW.season_number
+				);
+				RETURN NEW;
+			END
+			$$;");
+			
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER season_slug_trigger BEFORE INSERT OR UPDATE OF season_number, show_id ON seasons 
+			FOR EACH ROW EXECUTE PROCEDURE season_slug_update();");
+			
+			
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE FUNCTION episode_slug_update()
+			RETURNS TRIGGER
+			LANGUAGE PLPGSQL
+			AS $$
+			BEGIN
+				NEW.slug := CONCAT(
+					(SELECT slug FROM shows WHERE id = NEW.show_id),
+					CASE
+						WHEN NEW.season_number IS NULL AND NEW.episode_number IS NULL THEN NULL
+						WHEN NEW.season_number IS NULL THEN CONCAT('-', NEW.absolute_number)
+						ELSE CONCAT('-s', NEW.season_number, 'e', NEW.episode_number)
+					END
+				);
+				RETURN NEW;
+			END
+			$$;");
+			
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER episode_slug_trigger 
+			BEFORE INSERT OR UPDATE OF absolute_number, episode_number, season_number, show_id ON episodes
+			FOR EACH ROW EXECUTE PROCEDURE episode_slug_update();");
+
+
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE FUNCTION show_slug_update()
+			RETURNS TRIGGER
+			LANGUAGE PLPGSQL
+			AS $$
+			BEGIN
+				UPDATE seasons SET slug = CONCAT(NEW.slug, '-s', season_number) WHERE show_id = NEW.id;
+				UPDATE episodes SET slug = CASE
+					WHEN season_number IS NULL AND episode_number IS NULL THEN NEW.slug
+					WHEN season_number IS NULL THEN CONCAT(NEW.slug, '-', absolute_number) 
+					ELSE CONCAT(NEW.slug, '-s', season_number, 'e', episode_number)
+				END WHERE show_id = NEW.id;
+				RETURN NEW;
+			END
+			$$;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER show_slug_trigger AFTER UPDATE OF slug ON shows
+			FOR EACH ROW EXECUTE PROCEDURE show_slug_update();");
+			
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE FUNCTION episode_update_tracks_slug()
+			RETURNS TRIGGER
+			LANGUAGE PLPGSQL
+			AS $$
+			BEGIN
+				UPDATE tracks SET slug = CONCAT(
+					NEW.slug,
+					'.', language,
+					CASE (track_index)
+						WHEN 0 THEN ''
+						ELSE CONCAT('-', track_index)
+					END,
+					CASE (is_forced)
+						WHEN false THEN ''
+						ELSE '-forced'
+					END,
+					'.', type
+				) WHERE episode_id = NEW.id;
+				RETURN NEW;
+			END;
+			$$;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER episode_track_slug_trigger AFTER UPDATE OF slug ON episodes
+			FOR EACH ROW EXECUTE PROCEDURE episode_update_tracks_slug();");
+			
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE FUNCTION track_slug_update()
+			RETURNS TRIGGER
+			LANGUAGE PLPGSQL
+			AS $$
+			BEGIN
+				IF NEW.track_index = 0 THEN
+					NEW.track_index := (SELECT COUNT(*) FROM tracks
+						WHERE episode_id = NEW.episode_id AND type = NEW.type 
+						  AND language = NEW.language AND is_forced = NEW.is_forced);
+				END IF;
+				NEW.slug := CONCAT(
+					(SELECT slug FROM episodes WHERE id = NEW.episode_id),
+					'.', NEW.language,
+					CASE (NEW.track_index)
+						WHEN 0 THEN ''
+						ELSE CONCAT('-', NEW.track_index)
+					END,
+					CASE (NEW.is_forced)
+						WHEN false THEN ''
+						ELSE '-forced'
+					END,
+					'.', NEW.type
+				);
+				RETURN NEW;
+			END
+			$$;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER track_slug_trigger 
+			BEFORE INSERT OR UPDATE OF episode_id, is_forced, language, track_index, type ON tracks
+			FOR EACH ROW EXECUTE PROCEDURE track_slug_update();");
+
+
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"
+			CREATE VIEW library_items AS
+				SELECT s.id, s.slug, s.title, s.overview, s.status, s.start_air, s.end_air, s.poster, CASE
+					WHEN s.is_movie THEN 'movie'::item_type
+					ELSE 'show'::item_type
+					END AS type
+				FROM shows AS s
+				WHERE NOT (EXISTS (
+					SELECT 1
+					FROM link_collection_show AS l
+					INNER JOIN collections AS c ON l.first_id = c.id
+					WHERE s.id = l.second_id))
+				UNION ALL
+				SELECT -c0.id, c0.slug, c0.name AS title, c0.overview, 'unknown'::status AS status, 
+				       NULL AS start_air, NULL AS end_air, c0.poster, 'collection'::item_type AS type
+				FROM collections AS c0");
+		}
+
+		protected override void Down(MigrationBuilder migrationBuilder)
+		{
+			// language=PostgreSQL
+			migrationBuilder.Sql("DROP TRIGGER show_slug_trigger ON shows;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"DROP FUNCTION show_slug_update;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"DROP TRIGGER season_slug_trigger ON seasons;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"DROP FUNCTION season_slug_update;");
+			// language=PostgreSQL
+			migrationBuilder.Sql("DROP TRIGGER episode_slug_trigger ON episodes;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"DROP FUNCTION episode_slug_update;");
+			// language=PostgreSQL
+			migrationBuilder.Sql("DROP TRIGGER track_slug_trigger ON tracks;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"DROP FUNCTION track_slug_update;");
+			// language=PostgreSQL
+			migrationBuilder.Sql("DROP TRIGGER episode_track_slug_trigger ON episodes;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"DROP FUNCTION episode_update_tracks_slug;");
+			// language=PostgreSQL
+			migrationBuilder.Sql(@"DROP VIEW library_items;");
+		}
+	}
+}

Kyoo.Postgresql/PostgresContext.cs

@@ -27,16 +27,19 @@ namespace Kyoo.Postgresql
 		/// </summary>
 		private readonly bool _skipConfigure;
 
-		/// <summary>
+
-		/// A basic constructor that set default values (query tracker behaviors, mapping enums...)
+		static PostgresContext()
-		/// </summary>
-		public PostgresContext()
 		{
 			NpgsqlConnection.GlobalTypeMapper.MapEnum<Status>();
 			NpgsqlConnection.GlobalTypeMapper.MapEnum<ItemType>();
 			NpgsqlConnection.GlobalTypeMapper.MapEnum<StreamType>();
 		}
 		
+		/// <summary>
+		/// A basic constructor that set default values (query tracker behaviors, mapping enums...)
+		/// </summary>
+		public PostgresContext() { }
+
 		/// <summary>
 		/// Create a new <see cref="PostgresContext"/> using specific options
 		/// </summary>
@@ -44,9 +47,6 @@ namespace Kyoo.Postgresql
 		public PostgresContext(DbContextOptions options)
 			: base(options)
 		{
-			NpgsqlConnection.GlobalTypeMapper.MapEnum<Status>();
-			NpgsqlConnection.GlobalTypeMapper.MapEnum<ItemType>();
-			NpgsqlConnection.GlobalTypeMapper.MapEnum<StreamType>();
 			_skipConfigure = true;
 		}
 
@@ -77,6 +77,7 @@ namespace Kyoo.Postgresql
 					optionsBuilder.EnableDetailedErrors().EnableSensitiveDataLogging();
 			}
 
+			optionsBuilder.UseSnakeCaseNamingConvention();
 			base.OnConfiguring(optionsBuilder);
 		}
 
@@ -90,6 +91,10 @@ namespace Kyoo.Postgresql
 			modelBuilder.HasPostgresEnum<ItemType>();
 			modelBuilder.HasPostgresEnum<StreamType>();
 
+			modelBuilder.Entity<LibraryItem>()
+				.ToView("library_items")
+				.HasKey(x => x.ID);
+
 			modelBuilder.Entity<User>()
 				.Property(x => x.ExtraData)
 				.HasColumnType("jsonb");
@@ -107,7 +112,7 @@ namespace Kyoo.Postgresql
 		public override Expression<Func<T, bool>> Like<T>(Expression<Func<T, string>> query, string format)
 		{
 			MethodInfo iLike = MethodOfUtils.MethodOf<string, string, bool>(EF.Functions.ILike);
-			MethodCallExpression call = Expression.Call(iLike, query.Body, Expression.Constant(format));
+			MethodCallExpression call = Expression.Call(iLike, Expression.Constant(EF.Functions), query.Body, Expression.Constant(format));
 
 			return Expression.Lambda<Func<T, bool>>(call, query.Parameters);
 		}

Kyoo.SqLite/Kyoo.SqLite.csproj

@@ -0,0 +1,41 @@
+<Project Sdk="Microsoft.NET.Sdk">
+	<PropertyGroup>
+		<TargetFramework>net5.0</TargetFramework>
+
+		<Company>SDG</Company>
+		<Authors>Zoe Roux</Authors>
+		<RepositoryUrl>https://github.com/AnonymusRaccoon/Kyoo</RepositoryUrl>
+		<LangVersion>default</LangVersion>
+		<RootNamespace>Kyoo.SqLite</RootNamespace>
+	</PropertyGroup>
+
+<!--	<PropertyGroup>-->
+<!--		<OutputPath>../Kyoo/bin/$(Configuration)/$(TargetFramework)/plugins/sqlite</OutputPath>-->
+<!--		<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>-->
+<!--		<ProduceReferenceAssembly>false</ProduceReferenceAssembly>-->
+<!--		<GenerateDependencyFile>false</GenerateDependencyFile>-->
+<!--		<GenerateRuntimeConfigurationFiles>false</GenerateRuntimeConfigurationFiles>-->
+<!--		<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>-->
+<!--	</PropertyGroup>-->
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.8">
+			<PrivateAssets>all</PrivateAssets>
+			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
+		<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="5.0.8" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="../Kyoo.CommonAPI/Kyoo.CommonAPI.csproj">
+<!--			<PrivateAssets>all</PrivateAssets>-->
+<!--			<Private>false</Private>-->
+<!--			<ExcludeAssets>runtime</ExcludeAssets>-->
+		</ProjectReference>
+		<ProjectReference Include="../Kyoo.Common/Kyoo.Common.csproj">
+<!--			<PrivateAssets>all</PrivateAssets>-->
+<!--			<Private>false</Private>-->
+<!--			<ExcludeAssets>runtime</ExcludeAssets>-->
+		</ProjectReference>
+	</ItemGroup>
+</Project>

Kyoo.SqLite/Migrations/20210626141337_Initial.Designer.cs

@@ -1,50 +1,41 @@
 // <auto-generated />
 using System;
-using System.Collections.Generic;
+using Kyoo.SqLite;
-using Kyoo.Models;
-using Kyoo.Postgresql;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
-namespace Kyoo.Postgresql.Migrations
+namespace Kyoo.SqLite.Migrations
 {
-    [DbContext(typeof(PostgresContext))]
+    [DbContext(typeof(SqLiteContext))]
-    [Migration("20210507203809_Initial")]
+    [Migration("20210626141337_Initial")]
     partial class Initial
     {
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
         {
 #pragma warning disable 612, 618
             modelBuilder
-                .HasPostgresEnum(null, "item_type", new[] { "show", "movie", "collection" })
+                .HasAnnotation("ProductVersion", "5.0.7");
-                .HasPostgresEnum(null, "status", new[] { "finished", "airing", "planned", "unknown" })
-                .HasPostgresEnum(null, "stream_type", new[] { "unknown", "video", "audio", "subtitle", "attachment" })
-                .HasAnnotation("Relational:MaxIdentifierLength", 63)
-                .HasAnnotation("ProductVersion", "5.0.5")
-                .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
             modelBuilder.Entity("Kyoo.Models.Collection", b =>
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
                     b.Property<string>("Name")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Overview")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Poster")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Slug")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -58,46 +49,49 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
-                    b.Property<int>("AbsoluteNumber")
+                    b.Property<int?>("AbsoluteNumber")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
-                    b.Property<int>("EpisodeNumber")
+                    b.Property<int?>("EpisodeNumber")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<string>("Overview")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Path")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<DateTime?>("ReleaseDate")
-                        .HasColumnType("timestamp without time zone");
+                        .HasColumnType("TEXT");
-
-                    b.Property<int>("Runtime")
-                        .HasColumnType("integer");
 
                     b.Property<int?>("SeasonID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
-                    b.Property<int>("SeasonNumber")
+                    b.Property<int?>("SeasonNumber")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("ShowID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Thumb")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Title")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
                     b.HasIndex("SeasonID");
 
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
                     b.HasIndex("ShowID", "SeasonNumber", "EpisodeNumber", "AbsoluteNumber")
                         .IsUnique();
 
@@ -108,15 +102,14 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
                     b.Property<string>("Name")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Slug")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -130,18 +123,17 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
                     b.Property<string>("Name")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
-                    b.Property<string[]>("Paths")
+                    b.Property<string>("Paths")
-                        .HasColumnType("text[]");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Slug")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -154,10 +146,10 @@ namespace Kyoo.Postgresql.Migrations
             modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Collection, Kyoo.Models.Show>", b =>
                 {
                     b.Property<int>("FirstID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("SecondID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.HasKey("FirstID", "SecondID");
 
@@ -169,10 +161,10 @@ namespace Kyoo.Postgresql.Migrations
             modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Collection>", b =>
                 {
                     b.Property<int>("FirstID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("SecondID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.HasKey("FirstID", "SecondID");
 
@@ -184,10 +176,10 @@ namespace Kyoo.Postgresql.Migrations
             modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
                 {
                     b.Property<int>("FirstID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("SecondID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.HasKey("FirstID", "SecondID");
 
@@ -199,10 +191,10 @@ namespace Kyoo.Postgresql.Migrations
             modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Show>", b =>
                 {
                     b.Property<int>("FirstID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("SecondID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.HasKey("FirstID", "SecondID");
 
@@ -214,10 +206,10 @@ namespace Kyoo.Postgresql.Migrations
             modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Show, Kyoo.Models.Genre>", b =>
                 {
                     b.Property<int>("FirstID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("SecondID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.HasKey("FirstID", "SecondID");
 
@@ -229,10 +221,10 @@ namespace Kyoo.Postgresql.Migrations
             modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.User, Kyoo.Models.Show>", b =>
                 {
                     b.Property<int>("FirstID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("SecondID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.HasKey("FirstID", "SecondID");
 
@@ -241,65 +233,105 @@ namespace Kyoo.Postgresql.Migrations
                     b.ToTable("Link<User, Show>");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.MetadataID", b =>
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Episode>", b =>
                 {
-                    b.Property<int>("ID")
+                    b.Property<int>("FirstID")
-                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
-                        .HasColumnType("integer")
+
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
 
                     b.Property<string>("DataID")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
-
-                    b.Property<int?>("EpisodeID")
-                        .HasColumnType("integer");
 
                     b.Property<string>("Link")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
-                    b.Property<int?>("PeopleID")
+                    b.HasKey("FirstID", "SecondID");
-                        .HasColumnType("integer");
 
-                    b.Property<int>("ProviderID")
+                    b.HasIndex("SecondID");
-                        .HasColumnType("integer");
 
-                    b.Property<int?>("SeasonID")
+                    b.ToTable("MetadataID<Episode>");
-                        .HasColumnType("integer");
+                });
 
-                    b.Property<int?>("ShowID")
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.People>", b =>
-                        .HasColumnType("integer");
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
 
-                    b.HasKey("ID");
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
 
-                    b.HasIndex("EpisodeID");
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
 
-                    b.HasIndex("PeopleID");
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
 
-                    b.HasIndex("ProviderID");
+                    b.HasKey("FirstID", "SecondID");
 
-                    b.HasIndex("SeasonID");
+                    b.HasIndex("SecondID");
 
-                    b.HasIndex("ShowID");
+                    b.ToTable("MetadataID<People>");
+                });
 
-                    b.ToTable("MetadataIds");
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Season>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<Season>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<Show>");
                 });
 
             modelBuilder.Entity("Kyoo.Models.People", b =>
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
                     b.Property<string>("Name")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Poster")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Slug")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -313,20 +345,22 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<bool>("ForPeople")
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("PeopleID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<string>("Role")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<int>("ShowID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<string>("Type")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -341,21 +375,20 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
                     b.Property<string>("Logo")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("LogoExtension")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Name")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Slug")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -369,29 +402,38 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<DateTime?>("EndDate")
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Overview")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Poster")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<int>("SeasonNumber")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("ShowID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("StartDate")
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Title")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
-
-                    b.Property<int?>("Year")
-                        .HasColumnType("integer");
 
                     b.HasKey("ID");
 
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
                     b.HasIndex("ShowID", "SeasonNumber")
                         .IsUnique();
 
@@ -402,51 +444,50 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
-                    b.Property<string[]>("Aliases")
+                    b.Property<string>("Aliases")
-                        .HasColumnType("text[]");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Backdrop")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
-                    b.Property<int?>("EndYear")
+                    b.Property<DateTime?>("EndAir")
-                        .HasColumnType("integer");
+                        .HasColumnType("TEXT");
 
                     b.Property<bool>("IsMovie")
-                        .HasColumnType("boolean");
+                        .HasColumnType("INTEGER");
 
                     b.Property<string>("Logo")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Overview")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Path")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Poster")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Slug")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
-                    b.Property<int?>("StartYear")
+                    b.Property<DateTime?>("StartAir")
-                        .HasColumnType("integer");
+                        .HasColumnType("TEXT");
 
-                    b.Property<Status?>("Status")
+                    b.Property<int?>("Status")
-                        .HasColumnType("status");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int?>("StudioID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<string>("Title")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("TrailerUrl")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -462,15 +503,14 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
                     b.Property<string>("Name")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Slug")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -484,41 +524,47 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
                     b.Property<string>("Codec")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<int>("EpisodeID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<bool>("IsDefault")
-                        .HasColumnType("boolean");
+                        .HasColumnType("INTEGER");
 
                     b.Property<bool>("IsExternal")
-                        .HasColumnType("boolean");
+                        .HasColumnType("INTEGER");
 
                     b.Property<bool>("IsForced")
-                        .HasColumnType("boolean");
+                        .HasColumnType("INTEGER");
 
                     b.Property<string>("Language")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Path")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Title")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<int>("TrackIndex")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
-                    b.Property<StreamType>("Type")
+                    b.Property<int>("Type")
-                        .HasColumnType("stream_type");
+                        .HasColumnType("INTEGER");
 
                     b.HasKey("ID");
 
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
                     b.HasIndex("EpisodeID", "Type", "Language", "TrackIndex", "IsForced")
                         .IsUnique();
 
@@ -529,27 +575,26 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("integer")
+                        .HasColumnType("INTEGER");
-                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
 
                     b.Property<string>("Email")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
-                    b.Property<Dictionary<string, string>>("ExtraData")
+                    b.Property<string>("ExtraData")
-                        .HasColumnType("jsonb");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Password")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
-                    b.Property<string[]>("Permissions")
+                    b.Property<string>("Permissions")
-                        .HasColumnType("text[]");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Slug")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.Property<string>("Username")
-                        .HasColumnType("text");
+                        .HasColumnType("TEXT");
 
                     b.HasKey("ID");
 
@@ -562,13 +607,13 @@ namespace Kyoo.Postgresql.Migrations
             modelBuilder.Entity("Kyoo.Models.WatchedEpisode", b =>
                 {
                     b.Property<int>("FirstID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("SecondID")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.Property<int>("WatchedPercentage")
-                        .HasColumnType("integer");
+                        .HasColumnType("INTEGER");
 
                     b.HasKey("FirstID", "SecondID");
 
@@ -581,7 +626,8 @@ namespace Kyoo.Postgresql.Migrations
                 {
                     b.HasOne("Kyoo.Models.Season", "Season")
                         .WithMany("Episodes")
-                        .HasForeignKey("SeasonID");
+                        .HasForeignKey("SeasonID")
+                        .OnDelete(DeleteBehavior.Cascade);
 
                     b.HasOne("Kyoo.Models.Show", "Show")
                         .WithMany("Episodes")
@@ -708,43 +754,80 @@ namespace Kyoo.Postgresql.Migrations
                     b.Navigation("Second");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.MetadataID", b =>
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Episode>", b =>
                 {
-                    b.HasOne("Kyoo.Models.Episode", "Episode")
+                    b.HasOne("Kyoo.Models.Episode", "First")
                         .WithMany("ExternalIDs")
-                        .HasForeignKey("EpisodeID")
+                        .HasForeignKey("FirstID")
-                        .OnDelete(DeleteBehavior.Cascade);
-
-                    b.HasOne("Kyoo.Models.People", "People")
-                        .WithMany("ExternalIDs")
-                        .HasForeignKey("PeopleID")
-                        .OnDelete(DeleteBehavior.Cascade);
-
-                    b.HasOne("Kyoo.Models.Provider", "Provider")
-                        .WithMany("MetadataLinks")
-                        .HasForeignKey("ProviderID")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
-                    b.HasOne("Kyoo.Models.Season", "Season")
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.People>", b =>
+                {
+                    b.HasOne("Kyoo.Models.People", "First")
                         .WithMany("ExternalIDs")
-                        .HasForeignKey("SeasonID")
+                        .HasForeignKey("FirstID")
-                        .OnDelete(DeleteBehavior.Cascade);
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
 
-                    b.HasOne("Kyoo.Models.Show", "Show")
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Season>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Season", "First")
                         .WithMany("ExternalIDs")
-                        .HasForeignKey("ShowID")
+                        .HasForeignKey("FirstID")
-                        .OnDelete(DeleteBehavior.Cascade);
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
 
-                    b.Navigation("Episode");
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
 
-                    b.Navigation("People");
+                    b.Navigation("First");
 
-                    b.Navigation("Provider");
+                    b.Navigation("Second");
+                });
 
-                    b.Navigation("Season");
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Show", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
 
-                    b.Navigation("Show");
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
                 });
 
             modelBuilder.Entity("Kyoo.Models.PeopleRole", b =>
@@ -854,8 +937,6 @@ namespace Kyoo.Postgresql.Migrations
             modelBuilder.Entity("Kyoo.Models.Provider", b =>
                 {
                     b.Navigation("LibraryLinks");
-
-                    b.Navigation("MetadataLinks");
                 });
 
             modelBuilder.Entity("Kyoo.Models.Season", b =>

Kyoo.SqLite/Migrations/20210626141337_Initial.cs

@@ -1,30 +1,22 @@
 using System;
-using System.Collections.Generic;
-using Kyoo.Models;
 using Microsoft.EntityFrameworkCore.Migrations;
-using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
-namespace Kyoo.Postgresql.Migrations
+namespace Kyoo.SqLite.Migrations
 {
     public partial class Initial : Migration
     {
         protected override void Up(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.AlterDatabase()
-                .Annotation("Npgsql:Enum:item_type", "show,movie,collection")
-                .Annotation("Npgsql:Enum:status", "finished,airing,planned,unknown")
-                .Annotation("Npgsql:Enum:stream_type", "unknown,video,audio,subtitle,attachment");
-
             migrationBuilder.CreateTable(
                 name: "Collections",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    Slug = table.Column<string>(type: "text", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: false),
-                    Name = table.Column<string>(type: "text", nullable: true),
+                    Name = table.Column<string>(type: "TEXT", nullable: true),
-                    Poster = table.Column<string>(type: "text", nullable: true),
+                    Poster = table.Column<string>(type: "TEXT", nullable: true),
-                    Overview = table.Column<string>(type: "text", nullable: true)
+                    Overview = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -35,10 +27,10 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Genres",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    Slug = table.Column<string>(type: "text", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: false),
-                    Name = table.Column<string>(type: "text", nullable: true)
+                    Name = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -49,11 +41,11 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Libraries",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    Slug = table.Column<string>(type: "text", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: false),
-                    Name = table.Column<string>(type: "text", nullable: true),
+                    Name = table.Column<string>(type: "TEXT", nullable: true),
-                    Paths = table.Column<string[]>(type: "text[]", nullable: true)
+                    Paths = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -64,11 +56,11 @@ namespace Kyoo.Postgresql.Migrations
                 name: "People",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    Slug = table.Column<string>(type: "text", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: false),
-                    Name = table.Column<string>(type: "text", nullable: true),
+                    Name = table.Column<string>(type: "TEXT", nullable: true),
-                    Poster = table.Column<string>(type: "text", nullable: true)
+                    Poster = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -79,12 +71,12 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Providers",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    Slug = table.Column<string>(type: "text", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: false),
-                    Name = table.Column<string>(type: "text", nullable: true),
+                    Name = table.Column<string>(type: "TEXT", nullable: true),
-                    Logo = table.Column<string>(type: "text", nullable: true),
+                    Logo = table.Column<string>(type: "TEXT", nullable: true),
-                    LogoExtension = table.Column<string>(type: "text", nullable: true)
+                    LogoExtension = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -95,10 +87,10 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Studios",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    Slug = table.Column<string>(type: "text", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: false),
-                    Name = table.Column<string>(type: "text", nullable: true)
+                    Name = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -109,14 +101,14 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Users",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    Slug = table.Column<string>(type: "text", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: false),
-                    Username = table.Column<string>(type: "text", nullable: true),
+                    Username = table.Column<string>(type: "TEXT", nullable: true),
-                    Email = table.Column<string>(type: "text", nullable: true),
+                    Email = table.Column<string>(type: "TEXT", nullable: true),
-                    Password = table.Column<string>(type: "text", nullable: true),
+                    Password = table.Column<string>(type: "TEXT", nullable: true),
-                    Permissions = table.Column<string[]>(type: "text[]", nullable: true),
+                    Permissions = table.Column<string>(type: "TEXT", nullable: true),
-                    ExtraData = table.Column<Dictionary<string, string>>(type: "jsonb", nullable: true)
+                    ExtraData = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -127,8 +119,8 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Link<Library, Collection>",
                 columns: table => new
                 {
-                    FirstID = table.Column<int>(type: "integer", nullable: false),
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
-                    SecondID = table.Column<int>(type: "integer", nullable: false)
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -151,8 +143,8 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Link<Library, Provider>",
                 columns: table => new
                 {
-                    FirstID = table.Column<int>(type: "integer", nullable: false),
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
-                    SecondID = table.Column<int>(type: "integer", nullable: false)
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -171,26 +163,52 @@ namespace Kyoo.Postgresql.Migrations
                         onDelete: ReferentialAction.Cascade);
                 });
 
+            migrationBuilder.CreateTable(
+                name: "MetadataID<People>",
+                columns: table => new
+                {
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false),
+                    DataID = table.Column<string>(type: "TEXT", nullable: true),
+                    Link = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MetadataID<People>", x => new { x.FirstID, x.SecondID });
+                    table.ForeignKey(
+                        name: "FK_MetadataID<People>_People_FirstID",
+                        column: x => x.FirstID,
+                        principalTable: "People",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_MetadataID<People>_Providers_SecondID",
+                        column: x => x.SecondID,
+                        principalTable: "Providers",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
             migrationBuilder.CreateTable(
                 name: "Shows",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    Slug = table.Column<string>(type: "text", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: false),
-                    Title = table.Column<string>(type: "text", nullable: true),
+                    Title = table.Column<string>(type: "TEXT", nullable: true),
-                    Aliases = table.Column<string[]>(type: "text[]", nullable: true),
+                    Aliases = table.Column<string>(type: "TEXT", nullable: true),
-                    Path = table.Column<string>(type: "text", nullable: true),
+                    Path = table.Column<string>(type: "TEXT", nullable: true),
-                    Overview = table.Column<string>(type: "text", nullable: true),
+                    Overview = table.Column<string>(type: "TEXT", nullable: true),
-                    Status = table.Column<Status>(type: "status", nullable: true),
+                    Status = table.Column<int>(type: "INTEGER", nullable: true),
-                    TrailerUrl = table.Column<string>(type: "text", nullable: true),
+                    TrailerUrl = table.Column<string>(type: "TEXT", nullable: true),
-                    StartYear = table.Column<int>(type: "integer", nullable: true),
+                    StartAir = table.Column<DateTime>(type: "TEXT", nullable: true),
-                    EndYear = table.Column<int>(type: "integer", nullable: true),
+                    EndAir = table.Column<DateTime>(type: "TEXT", nullable: true),
-                    Poster = table.Column<string>(type: "text", nullable: true),
+                    Poster = table.Column<string>(type: "TEXT", nullable: true),
-                    Logo = table.Column<string>(type: "text", nullable: true),
+                    Logo = table.Column<string>(type: "TEXT", nullable: true),
-                    Backdrop = table.Column<string>(type: "text", nullable: true),
+                    Backdrop = table.Column<string>(type: "TEXT", nullable: true),
-                    IsMovie = table.Column<bool>(type: "boolean", nullable: false),
+                    IsMovie = table.Column<bool>(type: "INTEGER", nullable: false),
-                    StudioID = table.Column<int>(type: "integer", nullable: true)
+                    StudioID = table.Column<int>(type: "INTEGER", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -200,15 +218,15 @@ namespace Kyoo.Postgresql.Migrations
                         column: x => x.StudioID,
                         principalTable: "Studios",
                         principalColumn: "ID",
-                        onDelete: ReferentialAction.Restrict);
+                        onDelete: ReferentialAction.SetNull);
                 });
 
             migrationBuilder.CreateTable(
                 name: "Link<Collection, Show>",
                 columns: table => new
                 {
-                    FirstID = table.Column<int>(type: "integer", nullable: false),
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
-                    SecondID = table.Column<int>(type: "integer", nullable: false)
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -231,8 +249,8 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Link<Library, Show>",
                 columns: table => new
                 {
-                    FirstID = table.Column<int>(type: "integer", nullable: false),
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
-                    SecondID = table.Column<int>(type: "integer", nullable: false)
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -255,8 +273,8 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Link<Show, Genre>",
                 columns: table => new
                 {
-                    FirstID = table.Column<int>(type: "integer", nullable: false),
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
-                    SecondID = table.Column<int>(type: "integer", nullable: false)
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -279,8 +297,8 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Link<User, Show>",
                 columns: table => new
                 {
-                    FirstID = table.Column<int>(type: "integer", nullable: false),
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
-                    SecondID = table.Column<int>(type: "integer", nullable: false)
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -299,16 +317,43 @@ namespace Kyoo.Postgresql.Migrations
                         onDelete: ReferentialAction.Cascade);
                 });
 
+            migrationBuilder.CreateTable(
+                name: "MetadataID<Show>",
+                columns: table => new
+                {
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false),
+                    DataID = table.Column<string>(type: "TEXT", nullable: true),
+                    Link = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MetadataID<Show>", x => new { x.FirstID, x.SecondID });
+                    table.ForeignKey(
+                        name: "FK_MetadataID<Show>_Providers_SecondID",
+                        column: x => x.SecondID,
+                        principalTable: "Providers",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_MetadataID<Show>_Shows_FirstID",
+                        column: x => x.FirstID,
+                        principalTable: "Shows",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
             migrationBuilder.CreateTable(
                 name: "PeopleRoles",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    PeopleID = table.Column<int>(type: "integer", nullable: false),
+                    ForPeople = table.Column<bool>(type: "INTEGER", nullable: false),
-                    ShowID = table.Column<int>(type: "integer", nullable: false),
+                    PeopleID = table.Column<int>(type: "INTEGER", nullable: false),
-                    Role = table.Column<string>(type: "text", nullable: true),
+                    ShowID = table.Column<int>(type: "INTEGER", nullable: false),
-                    Type = table.Column<string>(type: "text", nullable: true)
+                    Type = table.Column<string>(type: "TEXT", nullable: true),
+                    Role = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -331,14 +376,16 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Seasons",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    ShowID = table.Column<int>(type: "integer", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: true),
-                    SeasonNumber = table.Column<int>(type: "integer", nullable: false),
+                    ShowID = table.Column<int>(type: "INTEGER", nullable: false),
-                    Title = table.Column<string>(type: "text", nullable: true),
+                    SeasonNumber = table.Column<int>(type: "INTEGER", nullable: false),
-                    Overview = table.Column<string>(type: "text", nullable: true),
+                    Title = table.Column<string>(type: "TEXT", nullable: true),
-                    Year = table.Column<int>(type: "integer", nullable: true),
+                    Overview = table.Column<string>(type: "TEXT", nullable: true),
-                    Poster = table.Column<string>(type: "text", nullable: true)
+                    StartDate = table.Column<DateTime>(type: "TEXT", nullable: true),
+                    EndDate = table.Column<DateTime>(type: "TEXT", nullable: true),
+                    Poster = table.Column<string>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -355,19 +402,19 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Episodes",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    ShowID = table.Column<int>(type: "integer", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: true),
-                    SeasonID = table.Column<int>(type: "integer", nullable: true),
+                    ShowID = table.Column<int>(type: "INTEGER", nullable: false),
-                    SeasonNumber = table.Column<int>(type: "integer", nullable: false),
+                    SeasonID = table.Column<int>(type: "INTEGER", nullable: true),
-                    EpisodeNumber = table.Column<int>(type: "integer", nullable: false),
+                    SeasonNumber = table.Column<int>(type: "INTEGER", nullable: true),
-                    AbsoluteNumber = table.Column<int>(type: "integer", nullable: false),
+                    EpisodeNumber = table.Column<int>(type: "INTEGER", nullable: true),
-                    Path = table.Column<string>(type: "text", nullable: true),
+                    AbsoluteNumber = table.Column<int>(type: "INTEGER", nullable: true),
-                    Thumb = table.Column<string>(type: "text", nullable: true),
+                    Path = table.Column<string>(type: "TEXT", nullable: true),
-                    Title = table.Column<string>(type: "text", nullable: true),
+                    Thumb = table.Column<string>(type: "TEXT", nullable: true),
-                    Overview = table.Column<string>(type: "text", nullable: true),
+                    Title = table.Column<string>(type: "TEXT", nullable: true),
-                    ReleaseDate = table.Column<DateTime>(type: "timestamp without time zone", nullable: true),
+                    Overview = table.Column<string>(type: "TEXT", nullable: true),
-                    Runtime = table.Column<int>(type: "integer", nullable: false)
+                    ReleaseDate = table.Column<DateTime>(type: "TEXT", nullable: true)
                 },
                 constraints: table =>
                 {
@@ -377,7 +424,7 @@ namespace Kyoo.Postgresql.Migrations
                         column: x => x.SeasonID,
                         principalTable: "Seasons",
                         principalColumn: "ID",
-                        onDelete: ReferentialAction.Restrict);
+                        onDelete: ReferentialAction.Cascade);
                     table.ForeignKey(
                         name: "FK_Episodes_Shows_ShowID",
                         column: x => x.ShowID,
@@ -387,50 +434,53 @@ namespace Kyoo.Postgresql.Migrations
                 });
 
             migrationBuilder.CreateTable(
-                name: "MetadataIds",
+                name: "MetadataID<Season>",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false),
-                    ProviderID = table.Column<int>(type: "integer", nullable: false),
+                    DataID = table.Column<string>(type: "TEXT", nullable: true),
-                    ShowID = table.Column<int>(type: "integer", nullable: true),
+                    Link = table.Column<string>(type: "TEXT", nullable: true)
-                    EpisodeID = table.Column<int>(type: "integer", nullable: true),
-                    SeasonID = table.Column<int>(type: "integer", nullable: true),
-                    PeopleID = table.Column<int>(type: "integer", nullable: true),
-                    DataID = table.Column<string>(type: "text", nullable: true),
-                    Link = table.Column<string>(type: "text", nullable: true)
                 },
                 constraints: table =>
                 {
-                    table.PrimaryKey("PK_MetadataIds", x => x.ID);
+                    table.PrimaryKey("PK_MetadataID<Season>", x => new { x.FirstID, x.SecondID });
                     table.ForeignKey(
-                        name: "FK_MetadataIds_Episodes_EpisodeID",
+                        name: "FK_MetadataID<Season>_Providers_SecondID",
-                        column: x => x.EpisodeID,
+                        column: x => x.SecondID,
-                        principalTable: "Episodes",
-                        principalColumn: "ID",
-                        onDelete: ReferentialAction.Cascade);
-                    table.ForeignKey(
-                        name: "FK_MetadataIds_People_PeopleID",
-                        column: x => x.PeopleID,
-                        principalTable: "People",
-                        principalColumn: "ID",
-                        onDelete: ReferentialAction.Cascade);
-                    table.ForeignKey(
-                        name: "FK_MetadataIds_Providers_ProviderID",
-                        column: x => x.ProviderID,
                         principalTable: "Providers",
                         principalColumn: "ID",
                         onDelete: ReferentialAction.Cascade);
                     table.ForeignKey(
-                        name: "FK_MetadataIds_Seasons_SeasonID",
+                        name: "FK_MetadataID<Season>_Seasons_FirstID",
-                        column: x => x.SeasonID,
+                        column: x => x.FirstID,
                         principalTable: "Seasons",
                         principalColumn: "ID",
                         onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "MetadataID<Episode>",
+                columns: table => new
+                {
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false),
+                    DataID = table.Column<string>(type: "TEXT", nullable: true),
+                    Link = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MetadataID<Episode>", x => new { x.FirstID, x.SecondID });
                     table.ForeignKey(
-                        name: "FK_MetadataIds_Shows_ShowID",
+                        name: "FK_MetadataID<Episode>_Episodes_FirstID",
-                        column: x => x.ShowID,
+                        column: x => x.FirstID,
-                        principalTable: "Shows",
+                        principalTable: "Episodes",
+                        principalColumn: "ID",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_MetadataID<Episode>_Providers_SecondID",
+                        column: x => x.SecondID,
+                        principalTable: "Providers",
                         principalColumn: "ID",
                         onDelete: ReferentialAction.Cascade);
                 });
@@ -439,18 +489,19 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Tracks",
                 columns: table => new
                 {
-                    ID = table.Column<int>(type: "integer", nullable: false)
+                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                        .Annotation("Sqlite:Autoincrement", true),
-                    EpisodeID = table.Column<int>(type: "integer", nullable: false),
+                    Slug = table.Column<string>(type: "TEXT", nullable: true),
-                    TrackIndex = table.Column<int>(type: "integer", nullable: false),
+                    Title = table.Column<string>(type: "TEXT", nullable: true),
-                    IsDefault = table.Column<bool>(type: "boolean", nullable: false),
+                    Language = table.Column<string>(type: "TEXT", nullable: true),
-                    IsForced = table.Column<bool>(type: "boolean", nullable: false),
+                    Codec = table.Column<string>(type: "TEXT", nullable: true),
-                    IsExternal = table.Column<bool>(type: "boolean", nullable: false),
+                    IsDefault = table.Column<bool>(type: "INTEGER", nullable: false),
-                    Title = table.Column<string>(type: "text", nullable: true),
+                    IsForced = table.Column<bool>(type: "INTEGER", nullable: false),
-                    Language = table.Column<string>(type: "text", nullable: true),
+                    IsExternal = table.Column<bool>(type: "INTEGER", nullable: false),
-                    Codec = table.Column<string>(type: "text", nullable: true),
+                    Path = table.Column<string>(type: "TEXT", nullable: true),
-                    Path = table.Column<string>(type: "text", nullable: true),
+                    Type = table.Column<int>(type: "INTEGER", nullable: false),
-                    Type = table.Column<StreamType>(type: "stream_type", nullable: false)
+                    EpisodeID = table.Column<int>(type: "INTEGER", nullable: false),
+                    TrackIndex = table.Column<int>(type: "INTEGER", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -467,9 +518,9 @@ namespace Kyoo.Postgresql.Migrations
                 name: "WatchedEpisodes",
                 columns: table => new
                 {
-                    FirstID = table.Column<int>(type: "integer", nullable: false),
+                    FirstID = table.Column<int>(type: "INTEGER", nullable: false),
-                    SecondID = table.Column<int>(type: "integer", nullable: false),
+                    SecondID = table.Column<int>(type: "INTEGER", nullable: false),
-                    WatchedPercentage = table.Column<int>(type: "integer", nullable: false)
+                    WatchedPercentage = table.Column<int>(type: "INTEGER", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -505,6 +556,12 @@ namespace Kyoo.Postgresql.Migrations
                 columns: new[] { "ShowID", "SeasonNumber", "EpisodeNumber", "AbsoluteNumber" },
                 unique: true);
 
+            migrationBuilder.CreateIndex(
+                name: "IX_Episodes_Slug",
+                table: "Episodes",
+                column: "Slug",
+                unique: true);
+
             migrationBuilder.CreateIndex(
                 name: "IX_Genres_Slug",
                 table: "Genres",
@@ -548,29 +605,24 @@ namespace Kyoo.Postgresql.Migrations
                 column: "SecondID");
 
             migrationBuilder.CreateIndex(
-                name: "IX_MetadataIds_EpisodeID",
+                name: "IX_MetadataID<Episode>_SecondID",
-                table: "MetadataIds",
+                table: "MetadataID<Episode>",
-                column: "EpisodeID");
+                column: "SecondID");
 
             migrationBuilder.CreateIndex(
-                name: "IX_MetadataIds_PeopleID",
+                name: "IX_MetadataID<People>_SecondID",
-                table: "MetadataIds",
+                table: "MetadataID<People>",
-                column: "PeopleID");
+                column: "SecondID");
 
             migrationBuilder.CreateIndex(
-                name: "IX_MetadataIds_ProviderID",
+                name: "IX_MetadataID<Season>_SecondID",
-                table: "MetadataIds",
+                table: "MetadataID<Season>",
-                column: "ProviderID");
+                column: "SecondID");
 
             migrationBuilder.CreateIndex(
-                name: "IX_MetadataIds_SeasonID",
+                name: "IX_MetadataID<Show>_SecondID",
-                table: "MetadataIds",
+                table: "MetadataID<Show>",
-                column: "SeasonID");
+                column: "SecondID");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_MetadataIds_ShowID",
-                table: "MetadataIds",
-                column: "ShowID");
 
             migrationBuilder.CreateIndex(
                 name: "IX_People_Slug",
@@ -600,6 +652,12 @@ namespace Kyoo.Postgresql.Migrations
                 columns: new[] { "ShowID", "SeasonNumber" },
                 unique: true);
 
+            migrationBuilder.CreateIndex(
+                name: "IX_Seasons_Slug",
+                table: "Seasons",
+                column: "Slug",
+                unique: true);
+
             migrationBuilder.CreateIndex(
                 name: "IX_Shows_Slug",
                 table: "Shows",
@@ -623,6 +681,12 @@ namespace Kyoo.Postgresql.Migrations
                 columns: new[] { "EpisodeID", "Type", "Language", "TrackIndex", "IsForced" },
                 unique: true);
 
+            migrationBuilder.CreateIndex(
+                name: "IX_Tracks_Slug",
+                table: "Tracks",
+                column: "Slug",
+                unique: true);
+
             migrationBuilder.CreateIndex(
                 name: "IX_Users_Slug",
                 table: "Users",
@@ -656,7 +720,16 @@ namespace Kyoo.Postgresql.Migrations
                 name: "Link<User, Show>");
 
             migrationBuilder.DropTable(
-                name: "MetadataIds");
+                name: "MetadataID<Episode>");
+
+            migrationBuilder.DropTable(
+                name: "MetadataID<People>");
+
+            migrationBuilder.DropTable(
+                name: "MetadataID<Season>");
+
+            migrationBuilder.DropTable(
+                name: "MetadataID<Show>");
 
             migrationBuilder.DropTable(
                 name: "PeopleRoles");

Kyoo.SqLite/Migrations/20210626141347_Triggers.Designer.cs

@@ -0,0 +1,980 @@
+// <auto-generated />
+using System;
+using Kyoo.SqLite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+namespace Kyoo.SqLite.Migrations
+{
+    [DbContext(typeof(SqLiteContext))]
+    [Migration("20210626141347_Triggers")]
+    partial class Triggers
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "5.0.7");
+
+            modelBuilder.Entity("Kyoo.Models.Collection", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Overview")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Poster")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Collections");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Episode", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("AbsoluteNumber")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("EpisodeNumber")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Overview")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Path")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("ReleaseDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("SeasonID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("SeasonNumber")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("ShowID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Thumb")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("SeasonID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.HasIndex("ShowID", "SeasonNumber", "EpisodeNumber", "AbsoluteNumber")
+                        .IsUnique();
+
+                    b.ToTable("Episodes");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Genre", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Genres");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Library", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Paths")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Libraries");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Collection, Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Collection, Show>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Collection>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Library, Collection>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Library, Provider>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Library, Show>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Show, Kyoo.Models.Genre>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Show, Genre>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.User, Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<User, Show>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Episode>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<Episode>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.People>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<People>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Season>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<Season>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<Show>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.People", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Poster")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("People");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.PeopleRole", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("ForPeople")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("PeopleID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Role")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("ShowID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Type")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("PeopleID");
+
+                    b.HasIndex("ShowID");
+
+                    b.ToTable("PeopleRoles");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Provider", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Logo")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("LogoExtension")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Providers");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Season", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime?>("EndDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Overview")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Poster")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("SeasonNumber")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("ShowID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("StartDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.HasIndex("ShowID", "SeasonNumber")
+                        .IsUnique();
+
+                    b.ToTable("Seasons");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Show", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Aliases")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Backdrop")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("EndAir")
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("IsMovie")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Logo")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Overview")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Path")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Poster")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("StartAir")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("Status")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("StudioID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("TrailerUrl")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.HasIndex("StudioID");
+
+                    b.ToTable("Shows");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Studio", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Studios");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Track", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Codec")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("EpisodeID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("IsExternal")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("IsForced")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Language")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Path")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("TrackIndex")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.HasIndex("EpisodeID", "Type", "Language", "TrackIndex", "IsForced")
+                        .IsUnique();
+
+                    b.ToTable("Tracks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.User", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Email")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ExtraData")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Password")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Permissions")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Username")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.WatchedEpisode", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("WatchedPercentage")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("WatchedEpisodes");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Episode", b =>
+                {
+                    b.HasOne("Kyoo.Models.Season", "Season")
+                        .WithMany("Episodes")
+                        .HasForeignKey("SeasonID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("Kyoo.Models.Show", "Show")
+                        .WithMany("Episodes")
+                        .HasForeignKey("ShowID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Season");
+
+                    b.Navigation("Show");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Collection, Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Collection", "First")
+                        .WithMany("ShowLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Show", "Second")
+                        .WithMany("CollectionLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Collection>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Library", "First")
+                        .WithMany("CollectionLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Collection", "Second")
+                        .WithMany("LibraryLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Library", "First")
+                        .WithMany("ProviderLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany("LibraryLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Library", "First")
+                        .WithMany("ShowLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Show", "Second")
+                        .WithMany("LibraryLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Show, Kyoo.Models.Genre>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Show", "First")
+                        .WithMany("GenreLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Genre", "Second")
+                        .WithMany("ShowLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.User, Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.User", "First")
+                        .WithMany("ShowLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Show", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Episode>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Episode", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.People>", b =>
+                {
+                    b.HasOne("Kyoo.Models.People", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Season>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Season", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Show", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.PeopleRole", b =>
+                {
+                    b.HasOne("Kyoo.Models.People", "People")
+                        .WithMany("Roles")
+                        .HasForeignKey("PeopleID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Show", "Show")
+                        .WithMany("People")
+                        .HasForeignKey("ShowID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("People");
+
+                    b.Navigation("Show");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Season", b =>
+                {
+                    b.HasOne("Kyoo.Models.Show", "Show")
+                        .WithMany("Seasons")
+                        .HasForeignKey("ShowID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Show");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Show", b =>
+                {
+                    b.HasOne("Kyoo.Models.Studio", "Studio")
+                        .WithMany("Shows")
+                        .HasForeignKey("StudioID");
+
+                    b.Navigation("Studio");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Track", b =>
+                {
+                    b.HasOne("Kyoo.Models.Episode", "Episode")
+                        .WithMany("Tracks")
+                        .HasForeignKey("EpisodeID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Episode");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.WatchedEpisode", b =>
+                {
+                    b.HasOne("Kyoo.Models.User", "First")
+                        .WithMany("CurrentlyWatching")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Episode", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Collection", b =>
+                {
+                    b.Navigation("LibraryLinks");
+
+                    b.Navigation("ShowLinks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Episode", b =>
+                {
+                    b.Navigation("ExternalIDs");
+
+                    b.Navigation("Tracks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Genre", b =>
+                {
+                    b.Navigation("ShowLinks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Library", b =>
+                {
+                    b.Navigation("CollectionLinks");
+
+                    b.Navigation("ProviderLinks");
+
+                    b.Navigation("ShowLinks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.People", b =>
+                {
+                    b.Navigation("ExternalIDs");
+
+                    b.Navigation("Roles");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Provider", b =>
+                {
+                    b.Navigation("LibraryLinks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Season", b =>
+                {
+                    b.Navigation("Episodes");
+
+                    b.Navigation("ExternalIDs");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Show", b =>
+                {
+                    b.Navigation("CollectionLinks");
+
+                    b.Navigation("Episodes");
+
+                    b.Navigation("ExternalIDs");
+
+                    b.Navigation("GenreLinks");
+
+                    b.Navigation("LibraryLinks");
+
+                    b.Navigation("People");
+
+                    b.Navigation("Seasons");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Studio", b =>
+                {
+                    b.Navigation("Shows");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.User", b =>
+                {
+                    b.Navigation("CurrentlyWatching");
+
+                    b.Navigation("ShowLinks");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Kyoo.SqLite/Migrations/20210626141347_Triggers.cs

@@ -0,0 +1,187 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Kyoo.SqLite.Migrations
+{
+	public partial class Triggers : Migration
+	{
+		protected override void Up(MigrationBuilder migrationBuilder)
+		{
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER SeasonSlugInsert AFTER INSERT ON Seasons FOR EACH ROW 
+			BEGIN 
+			    UPDATE Seasons SET Slug = (SELECT Slug from Shows WHERE ID = ShowID) || '-s' || SeasonNumber
+				WHERE ID == new.ID;
+			END");
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER SeasonSlugUpdate AFTER UPDATE OF SeasonNumber, ShowID ON Seasons FOR EACH ROW 
+			BEGIN 
+			    UPDATE Seasons SET Slug = (SELECT Slug from Shows WHERE ID = ShowID) || '-s' || SeasonNumber
+				WHERE ID == new.ID;
+			END");
+			
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER EpisodeSlugInsert AFTER INSERT ON Episodes FOR EACH ROW 
+			BEGIN 
+				UPDATE Episodes 
+					SET Slug = (SELECT Slug from Shows WHERE ID = ShowID) || 
+					           CASE
+						           WHEN SeasonNumber IS NULL AND AbsoluteNumber IS NULL THEN ''
+						           WHEN SeasonNumber IS NULL THEN '-' || AbsoluteNumber
+						           ELSE '-s' || SeasonNumber || 'e' || EpisodeNumber
+					           END
+				WHERE ID == new.ID;
+			END");
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER EpisodeSlugUpdate AFTER UPDATE OF AbsoluteNumber, EpisodeNumber, SeasonNumber, ShowID 
+			    ON Episodes FOR EACH ROW 
+			BEGIN 
+				UPDATE Episodes 
+					SET Slug = (SELECT Slug from Shows WHERE ID = ShowID) || 
+					           CASE
+						           WHEN SeasonNumber IS NULL AND AbsoluteNumber IS NULL THEN ''
+						           WHEN SeasonNumber IS NULL THEN '-' || AbsoluteNumber
+						           ELSE '-s' || SeasonNumber || 'e' || EpisodeNumber
+					           END
+				WHERE ID == new.ID;
+			END");
+
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER TrackSlugInsert 
+			AFTER INSERT ON Tracks
+			FOR EACH ROW
+			BEGIN
+				UPDATE Tracks SET TrackIndex = (
+						SELECT COUNT(*) FROM Tracks
+						WHERE EpisodeID = new.EpisodeID AND Type = new.Type
+						  AND Language = new.Language AND IsForced = new.IsForced
+					) WHERE ID = new.ID AND TrackIndex = 0;
+				UPDATE Tracks SET Slug = (SELECT Slug FROM Episodes WHERE ID = EpisodeID) ||
+						'.' || Language ||
+						CASE (TrackIndex)
+							WHEN 0 THEN ''
+							ELSE '-' || (TrackIndex)
+						END ||
+						CASE (IsForced)
+							WHEN false THEN ''
+							ELSE '-forced'
+						END ||
+						CASE (Type)
+							WHEN 1 THEN '.video'
+							WHEN 2 THEN '.audio'
+							WHEN 3 THEN '.subtitle'
+							ELSE '.' || Type
+						END
+					WHERE ID = new.ID;
+			END;");
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER TrackSlugUpdate 
+			AFTER UPDATE OF EpisodeID, IsForced, Language, TrackIndex, Type ON Tracks
+			FOR EACH ROW
+			BEGIN
+				UPDATE Tracks SET TrackIndex = (
+						SELECT COUNT(*) FROM Tracks
+						WHERE EpisodeID = new.EpisodeID AND Type = new.Type
+						  AND Language = new.Language AND IsForced = new.IsForced
+					) WHERE ID = new.ID AND TrackIndex = 0;
+				UPDATE Tracks SET Slug = 
+					    (SELECT Slug FROM Episodes WHERE ID = EpisodeID) ||
+						'.' || Language ||
+						CASE (TrackIndex)
+							WHEN 0 THEN ''
+							ELSE '-' || (TrackIndex)
+						END ||
+						CASE (IsForced)
+							WHEN false THEN ''
+							ELSE '-forced'
+						END ||
+						CASE (Type)
+							WHEN 1 THEN '.video'
+							WHEN 2 THEN '.audio'
+							WHEN 3 THEN '.subtitle'
+							ELSE '.' || Type
+						END
+					WHERE ID = new.ID;
+			END;");
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER EpisodeUpdateTracksSlug 
+			AFTER UPDATE OF Slug ON Episodes
+			FOR EACH ROW
+			BEGIN
+				UPDATE Tracks SET Slug =
+						NEW.Slug ||
+						'.' || Language ||
+						CASE (TrackIndex)
+							WHEN 0 THEN ''
+							ELSE '-' || TrackIndex
+						END ||
+						CASE (IsForced)
+							WHEN false THEN ''
+							ELSE '-forced'
+						END ||
+						CASE (Type)
+							WHEN 1 THEN '.video'
+							WHEN 2 THEN '.audio'
+							WHEN 3 THEN '.subtitle'
+							ELSE '.' || Type
+						END
+					WHERE EpisodeID = NEW.ID;
+			END;");
+
+
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE TRIGGER ShowSlugUpdate AFTER UPDATE OF Slug ON Shows FOR EACH ROW
+			BEGIN
+				UPDATE Seasons SET Slug = new.Slug || '-s' || SeasonNumber WHERE ShowID = new.ID;
+				UPDATE Episodes 
+					SET Slug = new.Slug || 
+					           CASE
+					               WHEN SeasonNumber IS NULL AND AbsoluteNumber IS NULL THEN ''
+					               WHEN SeasonNumber IS NULL THEN '-' || AbsoluteNumber
+					               ELSE '-s' || SeasonNumber || 'e' || EpisodeNumber
+					           END
+				WHERE ShowID = new.ID;
+			END;");
+			
+			
+			// language=SQLite
+			migrationBuilder.Sql(@"
+			CREATE VIEW LibraryItems AS
+				SELECT s.ID, s.Slug, s.Title, s.Overview, s.Status, s.StartAir, s.EndAir, s.Poster, CASE
+					WHEN s.IsMovie THEN 1
+					ELSE 0
+					END AS Type
+				FROM Shows AS s
+				WHERE NOT (EXISTS (
+					SELECT 1
+					FROM 'Link<Collection, Show>' AS l
+					INNER JOIN Collections AS c ON l.FirstID = c.ID
+					WHERE s.ID = l.SecondID))
+				UNION ALL
+				SELECT -c0.ID, c0.Slug, c0.Name AS Title, c0.Overview, 3 AS Status, 
+				       NULL AS StartAir, NULL AS EndAir, c0.Poster, 2 AS Type
+				FROM collections AS c0");
+		}
+
+		protected override void Down(MigrationBuilder migrationBuilder)
+		{
+			// language=SQLite
+			migrationBuilder.Sql("DROP TRIGGER SeasonSlugInsert;");
+			// language=SQLite
+			migrationBuilder.Sql("DROP TRIGGER SeasonSlugUpdate;");
+			// language=SQLite
+			migrationBuilder.Sql("DROP TRIGGER EpisodeSlugInsert;");
+			// language=SQLite
+			migrationBuilder.Sql("DROP TRIGGER EpisodeSlugUpdate;");
+			// language=SQLite
+			migrationBuilder.Sql("DROP TRIGGER ShowSlugUpdate;");
+		}
+	}
+}

Kyoo.SqLite/Migrations/SqLiteContextModelSnapshot.cs

@@ -0,0 +1,978 @@
+// <auto-generated />
+using System;
+using Kyoo.SqLite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+namespace Kyoo.SqLite.Migrations
+{
+    [DbContext(typeof(SqLiteContext))]
+    partial class SqLiteContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "5.0.7");
+
+            modelBuilder.Entity("Kyoo.Models.Collection", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Overview")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Poster")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Collections");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Episode", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("AbsoluteNumber")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("EpisodeNumber")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Overview")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Path")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("ReleaseDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("SeasonID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("SeasonNumber")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("ShowID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Thumb")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("SeasonID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.HasIndex("ShowID", "SeasonNumber", "EpisodeNumber", "AbsoluteNumber")
+                        .IsUnique();
+
+                    b.ToTable("Episodes");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Genre", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Genres");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Library", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Paths")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Libraries");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Collection, Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Collection, Show>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Collection>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Library, Collection>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Library, Provider>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Library, Show>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Show, Kyoo.Models.Genre>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<Show, Genre>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.User, Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("Link<User, Show>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Episode>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<Episode>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.People>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<People>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Season>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<Season>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Show>", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("DataID")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Link")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("MetadataID<Show>");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.People", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Poster")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("People");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.PeopleRole", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("ForPeople")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("PeopleID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Role")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("ShowID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Type")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("PeopleID");
+
+                    b.HasIndex("ShowID");
+
+                    b.ToTable("PeopleRoles");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Provider", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Logo")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("LogoExtension")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Providers");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Season", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime?>("EndDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Overview")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Poster")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("SeasonNumber")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("ShowID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("StartDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.HasIndex("ShowID", "SeasonNumber")
+                        .IsUnique();
+
+                    b.ToTable("Seasons");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Show", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Aliases")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Backdrop")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("EndAir")
+                        .HasColumnType("TEXT");
+
+                    b.Property<bool>("IsMovie")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Logo")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Overview")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Path")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Poster")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime?>("StartAir")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("Status")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("StudioID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("TrailerUrl")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.HasIndex("StudioID");
+
+                    b.ToTable("Shows");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Studio", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Studios");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Track", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Codec")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("EpisodeID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("IsDefault")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("IsExternal")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool>("IsForced")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Language")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Path")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("TrackIndex")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.HasIndex("EpisodeID", "Type", "Language", "TrackIndex", "IsForced")
+                        .IsUnique();
+
+                    b.ToTable("Tracks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.User", b =>
+                {
+                    b.Property<int>("ID")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Email")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ExtraData")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Password")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Permissions")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Username")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("ID");
+
+                    b.HasIndex("Slug")
+                        .IsUnique();
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.WatchedEpisode", b =>
+                {
+                    b.Property<int>("FirstID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("SecondID")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("WatchedPercentage")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("FirstID", "SecondID");
+
+                    b.HasIndex("SecondID");
+
+                    b.ToTable("WatchedEpisodes");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Episode", b =>
+                {
+                    b.HasOne("Kyoo.Models.Season", "Season")
+                        .WithMany("Episodes")
+                        .HasForeignKey("SeasonID")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("Kyoo.Models.Show", "Show")
+                        .WithMany("Episodes")
+                        .HasForeignKey("ShowID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Season");
+
+                    b.Navigation("Show");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Collection, Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Collection", "First")
+                        .WithMany("ShowLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Show", "Second")
+                        .WithMany("CollectionLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Collection>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Library", "First")
+                        .WithMany("CollectionLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Collection", "Second")
+                        .WithMany("LibraryLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Library", "First")
+                        .WithMany("ProviderLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany("LibraryLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Library", "First")
+                        .WithMany("ShowLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Show", "Second")
+                        .WithMany("LibraryLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Show, Kyoo.Models.Genre>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Show", "First")
+                        .WithMany("GenreLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Genre", "Second")
+                        .WithMany("ShowLinks")
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.User, Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.User", "First")
+                        .WithMany("ShowLinks")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Show", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Episode>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Episode", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.People>", b =>
+                {
+                    b.HasOne("Kyoo.Models.People", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Season>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Season", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.MetadataID<Kyoo.Models.Show>", b =>
+                {
+                    b.HasOne("Kyoo.Models.Show", "First")
+                        .WithMany("ExternalIDs")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Provider", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.PeopleRole", b =>
+                {
+                    b.HasOne("Kyoo.Models.People", "People")
+                        .WithMany("Roles")
+                        .HasForeignKey("PeopleID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Show", "Show")
+                        .WithMany("People")
+                        .HasForeignKey("ShowID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("People");
+
+                    b.Navigation("Show");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Season", b =>
+                {
+                    b.HasOne("Kyoo.Models.Show", "Show")
+                        .WithMany("Seasons")
+                        .HasForeignKey("ShowID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Show");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Show", b =>
+                {
+                    b.HasOne("Kyoo.Models.Studio", "Studio")
+                        .WithMany("Shows")
+                        .HasForeignKey("StudioID");
+
+                    b.Navigation("Studio");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Track", b =>
+                {
+                    b.HasOne("Kyoo.Models.Episode", "Episode")
+                        .WithMany("Tracks")
+                        .HasForeignKey("EpisodeID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Episode");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.WatchedEpisode", b =>
+                {
+                    b.HasOne("Kyoo.Models.User", "First")
+                        .WithMany("CurrentlyWatching")
+                        .HasForeignKey("FirstID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Kyoo.Models.Episode", "Second")
+                        .WithMany()
+                        .HasForeignKey("SecondID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("First");
+
+                    b.Navigation("Second");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Collection", b =>
+                {
+                    b.Navigation("LibraryLinks");
+
+                    b.Navigation("ShowLinks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Episode", b =>
+                {
+                    b.Navigation("ExternalIDs");
+
+                    b.Navigation("Tracks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Genre", b =>
+                {
+                    b.Navigation("ShowLinks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Library", b =>
+                {
+                    b.Navigation("CollectionLinks");
+
+                    b.Navigation("ProviderLinks");
+
+                    b.Navigation("ShowLinks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.People", b =>
+                {
+                    b.Navigation("ExternalIDs");
+
+                    b.Navigation("Roles");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Provider", b =>
+                {
+                    b.Navigation("LibraryLinks");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Season", b =>
+                {
+                    b.Navigation("Episodes");
+
+                    b.Navigation("ExternalIDs");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Show", b =>
+                {
+                    b.Navigation("CollectionLinks");
+
+                    b.Navigation("Episodes");
+
+                    b.Navigation("ExternalIDs");
+
+                    b.Navigation("GenreLinks");
+
+                    b.Navigation("LibraryLinks");
+
+                    b.Navigation("People");
+
+                    b.Navigation("Seasons");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.Studio", b =>
+                {
+                    b.Navigation("Shows");
+                });
+
+            modelBuilder.Entity("Kyoo.Models.User", b =>
+                {
+                    b.Navigation("CurrentlyWatching");
+
+                    b.Navigation("ShowLinks");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Kyoo.SqLite/SqLiteContext.cs

@@ -0,0 +1,134 @@
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+using System.Reflection;
+using Kyoo.Models;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Newtonsoft.Json;
+
+namespace Kyoo.SqLite
+{
+	/// <summary>
+	/// A sqlite implementation of <see cref="DatabaseContext"/>.
+	/// </summary>
+	public class SqLiteContext : DatabaseContext
+	{
+		/// <summary>
+		/// The connection string to use.
+		/// </summary>
+		private readonly string _connection;
+
+		/// <summary>
+		/// Is this instance in debug mode?
+		/// </summary>
+		private readonly bool _debugMode;
+
+		/// <summary>
+		/// Should the configure step be skipped? This is used when the database is created via DbContextOptions.
+		/// </summary>
+		private readonly bool _skipConfigure;
+
+		/// <summary>
+		/// A basic constructor that set default values (query tracker behaviors, mapping enums...)
+		/// </summary>
+		public SqLiteContext()
+		{ }
+
+		/// <summary>
+		/// Create a new <see cref="SqLiteContext"/> using specific options
+		/// </summary>
+		/// <param name="options">The options to use.</param>
+		public SqLiteContext(DbContextOptions options)
+			: base(options)
+		{
+			_skipConfigure = true;
+		}
+
+		/// <summary>
+		/// A basic constructor that set default values (query tracker behaviors, mapping enums...)
+		/// </summary>
+		/// <param name="connection">The connection string to use</param>
+		/// <param name="debugMode">Is this instance in debug mode?</param>
+		public SqLiteContext(string connection, bool debugMode)
+		{
+			_connection = connection;
+			_debugMode = debugMode;
+		}
+
+		/// <summary>
+		/// Set connection information for this database context
+		/// </summary>
+		/// <param name="optionsBuilder">An option builder to fill.</param>
+		protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+		{
+			if (!_skipConfigure)
+			{
+				if (_connection != null)
+					optionsBuilder.UseSqlite(_connection);
+				else
+					optionsBuilder.UseSqlite();
+				if (_debugMode)
+					optionsBuilder.EnableDetailedErrors().EnableSensitiveDataLogging();
+			}
+
+			base.OnConfiguring(optionsBuilder);
+		}
+
+		/// <summary>
+		/// Set database parameters to support every types of Kyoo.
+		/// </summary>
+		/// <param name="modelBuilder">The database's model builder.</param>
+		protected override void OnModelCreating(ModelBuilder modelBuilder)
+		{
+			ValueConverter<string[], string> arrayConvertor = new(
+				x => string.Join(";", x),
+				x => x.Split(';', StringSplitOptions.None));
+			modelBuilder.Entity<Library>()
+				.Property(x => x.Paths)
+				.HasConversion(arrayConvertor);
+			modelBuilder.Entity<Show>()
+				.Property(x => x.Aliases)
+				.HasConversion(arrayConvertor);
+			modelBuilder.Entity<User>()
+				.Property(x => x.Permissions)
+				.HasConversion(arrayConvertor);
+			
+			modelBuilder.Entity<Show>()
+				.Property(x => x.Status)
+				.HasConversion<int>();
+			modelBuilder.Entity<Track>()
+				.Property(x => x.Type)
+				.HasConversion<int>();
+
+			ValueConverter<Dictionary<string, string>, string> jsonConvertor = new(
+				x => JsonConvert.SerializeObject(x),
+				x => JsonConvert.DeserializeObject<Dictionary<string, string>>(x));
+			modelBuilder.Entity<User>()
+				.Property(x => x.ExtraData)
+				.HasConversion(jsonConvertor);
+			
+			modelBuilder.Entity<LibraryItem>()
+				.ToView("LibraryItems")
+				.HasKey(x => x.ID);
+			base.OnModelCreating(modelBuilder);
+		}
+
+		/// <inheritdoc />
+		protected override bool IsDuplicateException(Exception ex)
+		{
+			return ex.InnerException is SqliteException { SqliteExtendedErrorCode: 2067 /*SQLITE_CONSTRAINT_UNIQUE*/}
+			                         or SqliteException { SqliteExtendedErrorCode: 1555 /*SQLITE_CONSTRAINT_PRIMARYKEY*/};
+		}
+
+		/// <inheritdoc />
+		public override Expression<Func<T, bool>> Like<T>(Expression<Func<T, string>> query, string format)
+		{
+			MethodInfo iLike = MethodOfUtils.MethodOf<string, string, bool>(EF.Functions.Like);
+			MethodCallExpression call = Expression.Call(iLike, Expression.Constant(EF.Functions), query.Body, Expression.Constant(format));
+
+			return Expression.Lambda<Func<T, bool>>(call, query.Parameters);
+		}
+	}
+}

Kyoo.SqLite/SqLiteModule.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using Kyoo.Controllers;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace Kyoo.SqLite
+{
+	/// <summary>
+	/// A module to add sqlite capacity to the app.
+	/// </summary>
+	public class SqLiteModule : IPlugin
+	{
+		/// <inheritdoc />
+		public string Slug => "sqlite";
+
+		/// <inheritdoc />
+		public string Name => "SqLite";
+
+		/// <inheritdoc />
+		public string Description => "A database context for sqlite.";
+
+		/// <inheritdoc />
+		public ICollection<Type> Provides => new[]
+		{
+			typeof(DatabaseContext)
+		};
+		
+		/// <inheritdoc />
+		public ICollection<ConditionalProvide> ConditionalProvides => ArraySegment<ConditionalProvide>.Empty;
+		
+		/// <inheritdoc />
+		public ICollection<Type> Requires => ArraySegment<Type>.Empty;
+		
+		
+		/// <summary>
+		/// The configuration to use. The database connection string is pulled from it.
+		/// </summary>
+		private readonly IConfiguration _configuration;
+
+		/// <summary>
+		/// The host environment to check if the app is in debug mode.
+		/// </summary>
+		private readonly IWebHostEnvironment _environment;
+
+		/// <summary>
+		/// Create a new postgres module instance and use the given configuration and environment.
+		/// </summary>
+		/// <param name="configuration">The configuration to use</param>
+		/// <param name="env">The environment that will be used (if the env is in development mode, more information will be displayed on errors.</param>
+		public SqLiteModule(IConfiguration configuration, IWebHostEnvironment env)
+		{
+			_configuration = configuration;
+			_environment = env;
+		}
+
+
+		/// <inheritdoc />
+		public void Configure(IServiceCollection services, ICollection<Type> availableTypes)
+		{
+			services.AddDbContext<DatabaseContext, SqLiteContext>(x =>
+			{
+				x.UseSqlite(_configuration.GetDatabaseConnection("sqlite"));
+				if (_environment.IsDevelopment())
+					x.EnableDetailedErrors().EnableSensitiveDataLogging();
+			});
+		}
+
+		/// <inheritdoc />
+		public void Initialize(IServiceProvider provider)
+		{
+			DatabaseContext context = provider.GetRequiredService<DatabaseContext>();
+			context.Database.Migrate();
+		}
+	}
+}

Kyoo.Tests/KAssert.cs

@@ -0,0 +1,45 @@
+using System.Reflection;
+using JetBrains.Annotations;
+using Xunit;
+using Xunit.Sdk;
+
+namespace Kyoo.Tests
+{
+	/// <summary>
+	/// Custom assertions used by Kyoo's tests.
+	/// </summary>
+	public static class KAssert
+	{
+		/// <summary>
+		/// Check if every property of the item is equal to the other's object.
+		/// </summary>
+		/// <param name="expected">The value to check against</param>
+		/// <param name="value">The value to check</param>
+		/// <typeparam name="T">The type to check</typeparam>
+		[AssertionMethod]
+		public static void DeepEqual<T>(T expected, T value)
+		{
+			foreach (PropertyInfo property in typeof(T).GetProperties(BindingFlags.Instance))
+				Assert.Equal(property.GetValue(expected), property.GetValue(value));
+		}
+
+		/// <summary>
+		/// Explicitly fail a test.
+		/// </summary>
+		[AssertionMethod]
+		public static void Fail()
+		{
+			throw new XunitException();
+		}
+		
+		/// <summary>
+		/// Explicitly fail a test.
+		/// </summary>
+		/// <param name="message">The message that will be seen in the test report</param>
+		[AssertionMethod]
+		public static void Fail(string message)
+		{
+			throw new XunitException(message);
+		}
+	}
+}

Kyoo.Tests/Kyoo.Tests.csproj

@@ -14,8 +14,9 @@
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 			<PrivateAssets>all</PrivateAssets>
 		</PackageReference>
-		<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="5.0.5" />
+		<PackageReference Include="Divergic.Logging.Xunit" Version="3.6.0" />
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4" />
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="5.0.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
 		<PackageReference Include="xunit" Version="2.4.1" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

Kyoo.Tests/Library/RepositoryActivator.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Threading.Tasks;
+using Kyoo.Controllers;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests
+{
+	public class RepositoryActivator : IDisposable, IAsyncDisposable
+	{
+		public TestContext Context { get; }
+		public ILibraryManager LibraryManager { get; }
+
+
+		private readonly DatabaseContext _database;
+			
+		public RepositoryActivator(ITestOutputHelper output, PostgresFixture postgres = null)
+		{
+			Context = postgres == null 
+				? new SqLiteTestContext(output) 
+				: new PostgresTestContext(postgres, output);
+			_database = Context.New();
+			
+			ProviderRepository provider = new(_database);
+			LibraryRepository library = new(_database, provider);
+			CollectionRepository collection = new(_database);
+			GenreRepository genre = new(_database);
+			StudioRepository studio = new(_database);
+			PeopleRepository people = new(_database, provider, 
+				new Lazy<IShowRepository>(() => LibraryManager.ShowRepository));
+			ShowRepository show = new(_database, studio, people, genre, provider);
+			SeasonRepository season = new(_database, provider);
+			LibraryItemRepository libraryItem = new(_database, 
+				new Lazy<ILibraryRepository>(() => LibraryManager.LibraryRepository));
+			TrackRepository track = new(_database);
+			EpisodeRepository episode = new(_database, provider, track);
+			UserRepository user = new(_database);
+
+			LibraryManager = new LibraryManager(new IBaseRepository[] {
+				provider,
+				library,
+				libraryItem,
+				collection,
+				show,
+				season,
+				episode,
+				track,
+				people,
+				studio,
+				genre,
+				user
+			});
+		}
+
+		public void Dispose()
+		{
+			_database.Dispose();
+			Context.Dispose();
+			GC.SuppressFinalize(this);
+		}
+
+		public async ValueTask DisposeAsync()
+		{
+			await _database.DisposeAsync();
+			await Context.DisposeAsync();
+		}
+	}
+}

Kyoo.Tests/Library/RepositoryTests.cs

@@ -0,0 +1,191 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading.Tasks;
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Kyoo.Models.Exceptions;
+using Xunit;
+
+namespace Kyoo.Tests
+{
+	public abstract class RepositoryTests<T> : IDisposable, IAsyncDisposable
+		where T : class, IResource, new()
+	{
+		protected readonly RepositoryActivator Repositories;
+		private readonly IRepository<T> _repository;
+
+		protected RepositoryTests(RepositoryActivator repositories)
+		{
+			Repositories = repositories;
+			_repository = Repositories.LibraryManager.GetRepository<T>();
+		}
+
+		public void Dispose()
+		{
+			Repositories.Dispose();
+		}
+
+		public ValueTask DisposeAsync()
+		{
+			return Repositories.DisposeAsync();
+		}
+
+		[Fact]
+		public async Task FillTest()
+		{
+			await using DatabaseContext database = Repositories.Context.New();
+
+			Assert.Equal(1, database.Shows.Count());
+		}
+
+		[Fact]
+		public async Task GetByIdTest()
+		{
+			T value = await _repository.Get(TestSample.Get<T>().ID);
+			KAssert.DeepEqual(TestSample.Get<T>(), value);
+		}
+		
+		[Fact]
+		public async Task GetBySlugTest()
+		{
+			T value = await _repository.Get(TestSample.Get<T>().Slug);
+			KAssert.DeepEqual(TestSample.Get<T>(), value);
+		}
+		
+		[Fact]
+		public async Task GetByFakeIdTest()
+		{
+			await Assert.ThrowsAsync<ItemNotFoundException>(() => _repository.Get(2));
+		}
+		
+		[Fact]
+		public async Task GetByFakeSlugTest()
+		{
+            await Assert.ThrowsAsync<ItemNotFoundException>(() => _repository.Get("non-existent"));
+		}
+
+		[Fact]
+		public async Task DeleteByIdTest()
+		{
+			await _repository.Delete(TestSample.Get<T>().ID);
+			Assert.Equal(0, await _repository.GetCount());
+		}
+		
+		[Fact]
+		public async Task DeleteBySlugTest()
+		{
+			await _repository.Delete(TestSample.Get<T>().Slug);
+			Assert.Equal(0, await _repository.GetCount());
+		}
+		
+		[Fact]
+		public async Task DeleteByValueTest()
+		{
+			await _repository.Delete(TestSample.Get<T>());
+			Assert.Equal(0, await _repository.GetCount());
+		}
+		
+		[Fact]
+		public async Task CreateTest()
+		{
+			await Assert.ThrowsAsync<DuplicatedItemException>(() => _repository.Create(TestSample.Get<T>()));
+			await _repository.Delete(TestSample.Get<T>());
+
+			T expected = TestSample.Get<T>();
+			expected.ID = 0;
+			await _repository.Create(expected);
+			KAssert.DeepEqual(expected, await _repository.Get(expected.Slug));
+		}
+		
+		[Fact]
+		public async Task CreateNullTest()
+		{
+			await Assert.ThrowsAsync<ArgumentNullException>(() => _repository.Create(null!));
+		}
+		
+		[Fact]
+		public async Task CreateIfNotExistNullTest()
+		{
+			await Assert.ThrowsAsync<ArgumentNullException>(() => _repository.CreateIfNotExists(null!));
+		}
+		
+		[Fact]
+		public async Task CreateIfNotExistTest()
+		{
+			T expected = TestSample.Get<T>();
+			KAssert.DeepEqual(expected, await _repository.CreateIfNotExists(TestSample.Get<T>()));
+			await _repository.Delete(TestSample.Get<T>());
+			KAssert.DeepEqual(expected, await _repository.CreateIfNotExists(TestSample.Get<T>()));
+		}
+		
+		[Fact]
+		public async Task EditNullTest()
+		{
+			await Assert.ThrowsAsync<ArgumentNullException>(() => _repository.Edit(null!, false));
+		}
+		
+		[Fact]
+		public async Task EditNonExistingTest()
+		{
+			await Assert.ThrowsAsync<ItemNotFoundException>(() => _repository.Edit(new T {ID = 56}, false));
+		}
+
+		[Fact]
+		public async Task GetExpressionIDTest()
+		{
+			KAssert.DeepEqual(TestSample.Get<T>(), await _repository.Get(x => x.ID == TestSample.Get<T>().ID));
+		}
+
+		[Fact]
+		public async Task GetExpressionSlugTest()
+		{
+			KAssert.DeepEqual(TestSample.Get<T>(), await _repository.Get(x => x.Slug == TestSample.Get<T>().Slug));
+		}
+		
+		[Fact]
+		public async Task GetExpressionNotFoundTest()
+		{
+			await Assert.ThrowsAsync<ItemNotFoundException>(() => _repository.Get(x => x.Slug == "non-existing"));
+		}
+		
+		[Fact]
+		public async Task GetExpressionNullTest()
+		{
+			await Assert.ThrowsAsync<ArgumentNullException>(() => _repository.Get((Expression<Func<T, bool>>)null!));
+		}
+		
+		[Fact]
+		public async Task GetOrDefaultTest()
+		{
+			Assert.Null(await _repository.GetOrDefault(56));
+			Assert.Null(await _repository.GetOrDefault("non-existing"));
+			Assert.Null(await _repository.GetOrDefault(x => x.Slug == "non-existing"));
+		}
+
+		[Fact]
+		public async Task GetCountWithFilterTest()
+		{
+			string slug = TestSample.Get<T>().Slug[2..4];
+			Assert.Equal(1, await _repository.GetCount(x => x.Slug.Contains(slug)));
+		}
+		
+		[Fact]
+		public async Task GetAllTest()
+		{
+			string slug = TestSample.Get<T>().Slug[2..4];
+			ICollection<T> ret = await _repository.GetAll(x => x.Slug.Contains(slug));
+			Assert.Equal(1, ret.Count);
+			KAssert.DeepEqual(TestSample.Get<T>(), ret.First());
+		}
+		
+		[Fact]
+		public async Task DeleteAllTest()
+		{
+			string slug = TestSample.Get<T>().Slug[2..4];
+			await _repository.DeleteAll(x => x.Slug.Contains(slug));
+			Assert.Equal(0, await _repository.GetCount());
+		}
+	}
+}

Kyoo.Tests/Library/SetupTests.cs

@@ -1,17 +0,0 @@
-namespace Kyoo.Tests
-{
-	public class SetupTests
-	{
-		// TODO test libraries & repositories via a on-memory SQLite database.
-		// TODO Requires: Kyoo should be database agonistic and database implementations should be available via a plugin.
-		
-		// [Fact]
-		// public void Get_Test()
-		// {
-		// 	TestContext context = new();
-		// 	using DatabaseContext database = context.New();
-		// 	
-		// 	Assert.Equal(1, database.Shows.Count());
-		// }
-	}
-}

Kyoo.Tests/Library/SpecificTests/CollectionsTests.cs

@@ -0,0 +1,37 @@
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class CollectionTests : ACollectionTests
+		{
+			public CollectionTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class CollectionTests : ACollectionTests
+		{
+			public CollectionTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class ACollectionTests : RepositoryTests<Collection>
+	{
+		private readonly ICollectionRepository _repository;
+
+		protected ACollectionTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.CollectionRepository;
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/EpisodeTests.cs

@@ -0,0 +1,192 @@
+using System.Threading.Tasks;
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class EpisodeTests : AEpisodeTests
+		{
+			public EpisodeTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class EpisodeTests : AEpisodeTests
+		{
+			public EpisodeTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class AEpisodeTests : RepositoryTests<Episode>
+	{
+		private readonly IEpisodeRepository _repository;
+
+		protected AEpisodeTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = repositories.LibraryManager.EpisodeRepository;
+		}
+		
+		[Fact]
+		public async Task SlugEditTest()
+		{
+			Episode episode = await _repository.Get(1);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s1e1", episode.Slug);
+			Show show = new()
+			{
+				ID = episode.ShowID,
+				Slug = "new-slug"
+			};
+			await Repositories.LibraryManager.ShowRepository.Edit(show, false);
+			episode = await _repository.Get(1);
+			Assert.Equal("new-slug-s1e1", episode.Slug);
+		}
+		
+		[Fact]
+		public async Task SeasonNumberEditTest()
+		{
+			Episode episode = await _repository.Get(1);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s1e1", episode.Slug);
+			episode = await _repository.Edit(new Episode
+			{
+				ID = 1,
+				SeasonNumber = 2
+			}, false);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s2e1", episode.Slug);
+			episode = await _repository.Get(1);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s2e1", episode.Slug);
+		}
+		
+		[Fact]
+		public async Task EpisodeNumberEditTest()
+		{
+			Episode episode = await _repository.Get(1);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s1e1", episode.Slug);
+			episode = await _repository.Edit(new Episode
+			{
+				ID = 1,
+				EpisodeNumber = 2
+			}, false);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s1e2", episode.Slug);
+			episode = await _repository.Get(1);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s1e2", episode.Slug);
+		}
+		
+		[Fact]
+		public async Task EpisodeCreationSlugTest()
+		{
+			Episode episode = await _repository.Create(new Episode
+			{
+				ShowID = TestSample.Get<Show>().ID,
+				SeasonNumber = 2,
+				EpisodeNumber = 4
+			});
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s2e4", episode.Slug);
+		}
+		
+		
+		// TODO absolute numbering tests
+
+
+		[Fact]
+		public void AbsoluteSlugTest()
+		{
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-{TestSample.GetAbsoluteEpisode().AbsoluteNumber}", 
+				TestSample.GetAbsoluteEpisode().Slug);
+		}
+		
+		[Fact]
+		public async Task EpisodeCreationAbsoluteSlugTest()
+		{
+			Episode episode = await _repository.Create(TestSample.GetAbsoluteEpisode());
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-{TestSample.GetAbsoluteEpisode().AbsoluteNumber}", episode.Slug);
+		}
+		
+		[Fact]
+		public async Task SlugEditAbsoluteTest()
+		{
+			Episode episode = await _repository.Create(TestSample.GetAbsoluteEpisode());
+			Show show = new()
+			{
+				ID = episode.ShowID,
+				Slug = "new-slug"
+			};
+			await Repositories.LibraryManager.ShowRepository.Edit(show, false);
+			episode = await _repository.Get(2);
+			Assert.Equal($"new-slug-3", episode.Slug);
+		}
+		
+		
+		[Fact]
+		public async Task AbsoluteNumberEditTest()
+		{
+			await _repository.Create(TestSample.GetAbsoluteEpisode());
+			Episode episode = await _repository.Edit(new Episode
+			{
+				ID = 2,
+				AbsoluteNumber = 56
+			}, false);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-56", episode.Slug);
+			episode = await _repository.Get(2);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-56", episode.Slug);
+		}
+		
+		[Fact]
+		public async Task AbsoluteToNormalEditTest()
+		{
+			await _repository.Create(TestSample.GetAbsoluteEpisode());
+			Episode episode = await _repository.Edit(new Episode
+			{
+				ID = 2,
+				SeasonNumber = 1,
+				EpisodeNumber = 2
+			}, false);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s1e2", episode.Slug);
+			episode = await _repository.Get(2);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s1e2", episode.Slug);
+		}
+		
+		[Fact]
+		public async Task NormalToAbsoluteEditTest()
+		{
+			Episode episode = await _repository.Get(1);
+			episode.SeasonNumber = null;
+			episode.AbsoluteNumber = 12;
+			episode = await _repository.Edit(episode, true);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-12", episode.Slug);
+			episode = await _repository.Get(1);
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-12", episode.Slug);
+		}
+		
+		[Fact]
+		public async Task MovieEpisodeTest()
+		{
+			Episode episode = await _repository.Create(TestSample.GetMovieEpisode());
+			Assert.Equal(TestSample.Get<Show>().Slug, episode.Slug);
+			episode = await _repository.Get(3);
+			Assert.Equal(TestSample.Get<Show>().Slug, episode.Slug);
+		}
+		
+		[Fact]
+		public async Task MovieEpisodeEditTest()
+		{
+			await _repository.Create(TestSample.GetMovieEpisode());
+			await Repositories.LibraryManager.Edit(new Show
+			{
+				ID = 1,
+				Slug = "john-wick"
+			}, false);
+			Episode episode = await _repository.Get(3);
+			Assert.Equal("john-wick", episode.Slug);
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/GenreTests.cs

@@ -0,0 +1,37 @@
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class GenreTests : AGenreTests
+		{
+			public GenreTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class GenreTests : AGenreTests
+		{
+			public GenreTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class AGenreTests : RepositoryTests<Genre>
+	{
+		private readonly IGenreRepository _repository;
+
+		protected AGenreTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.GenreRepository;
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/LibraryItemTest.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Threading.Tasks;
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class LibraryItemTest : ALibraryItemTest
+		{
+			public LibraryItemTest(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class LibraryItemTest : ALibraryItemTest
+		{
+			public LibraryItemTest(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+	
+	public abstract class ALibraryItemTest
+	{
+		private readonly ILibraryItemRepository _repository;
+		private readonly RepositoryActivator _repositories;
+		
+		protected ALibraryItemTest(RepositoryActivator repositories)
+		{
+			_repositories = repositories;
+			_repository = repositories.LibraryManager.LibraryItemRepository;
+		}
+
+		[Fact]
+		public async Task CountTest()
+		{
+			Assert.Equal(2, await _repository.GetCount());
+		}
+		
+		[Fact]
+		public async Task GetShowTests()
+		{
+			LibraryItem expected = new(TestSample.Get<Show>());
+			LibraryItem actual = await _repository.Get(1);
+			KAssert.DeepEqual(expected, actual);
+		}
+		
+		[Fact]
+		public async Task GetCollectionTests()
+		{
+			LibraryItem expected = new(TestSample.Get<Show>());
+			LibraryItem actual = await _repository.Get(-1);
+			KAssert.DeepEqual(expected, actual);
+		}
+		
+		[Fact]
+		public async Task GetShowSlugTests()
+		{
+			LibraryItem expected = new(TestSample.Get<Show>());
+			LibraryItem actual = await _repository.Get(TestSample.Get<Show>().Slug);
+			KAssert.DeepEqual(expected, actual);
+		}
+		
+		[Fact]
+		public async Task GetCollectionSlugTests()
+		{
+			LibraryItem expected = new(TestSample.Get<Collection>());
+			LibraryItem actual = await _repository.Get(TestSample.Get<Collection>().Slug);
+			KAssert.DeepEqual(expected, actual);
+		}
+		
+		[Fact]
+		public async Task GetDuplicatedSlugTests()
+		{
+			await _repositories.LibraryManager.Create(new Collection()
+			{
+				Slug = TestSample.Get<Show>().Slug
+			});
+			await Assert.ThrowsAsync<InvalidOperationException>(() => _repository.Get(TestSample.Get<Show>().Slug));
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/LibraryTests.cs

@@ -0,0 +1,36 @@
+using Kyoo.Controllers;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class LibraryTests : ALibraryTests
+		{
+			public LibraryTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class LibraryTests : ALibraryTests
+		{
+			public LibraryTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class ALibraryTests : RepositoryTests<Models.Library>
+	{
+		private readonly ILibraryRepository _repository;
+
+		protected ALibraryTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.LibraryRepository;
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/PeopleTests.cs

@@ -0,0 +1,37 @@
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class PeopleTests : APeopleTests
+		{
+			public PeopleTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class PeopleTests : APeopleTests
+		{
+			public PeopleTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class APeopleTests : RepositoryTests<People>
+	{
+		private readonly IPeopleRepository _repository;
+
+		protected APeopleTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.PeopleRepository;
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/ProviderTests.cs

@@ -0,0 +1,37 @@
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class ProviderTests : AProviderTests
+		{
+			public ProviderTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class ProviderTests : AProviderTests
+		{
+			public ProviderTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class AProviderTests : RepositoryTests<Provider>
+	{
+		private readonly IProviderRepository _repository;
+
+		protected AProviderTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.ProviderRepository;
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/SanityTests.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Threading.Tasks;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	public class GlobalTests : IDisposable, IAsyncDisposable
+	{
+		private readonly RepositoryActivator _repositories;
+		
+		public GlobalTests(ITestOutputHelper output)
+		{
+			 _repositories = new RepositoryActivator(output);
+		}
+
+		[Fact]
+		[SuppressMessage("ReSharper", "EqualExpressionComparison")]
+		public void SampleTest()
+		{
+			Assert.False(ReferenceEquals(TestSample.Get<Show>(), TestSample.Get<Show>()));
+		}
+		
+		public void Dispose()
+		{
+			_repositories.Dispose();
+			GC.SuppressFinalize(this);
+		}
+
+		public ValueTask DisposeAsync()
+		{
+			return _repositories.DisposeAsync();
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/SeasonTests.cs

@@ -0,0 +1,79 @@
+using System.Threading.Tasks;
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class SeasonTests : ASeasonTests
+		{
+			public SeasonTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class SeasonTests : ASeasonTests
+		{
+			public SeasonTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class ASeasonTests : RepositoryTests<Season>
+	{
+		private readonly ISeasonRepository _repository;
+
+		protected ASeasonTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.SeasonRepository;
+		}
+
+		[Fact]
+		public async Task SlugEditTest()
+		{
+			Season season = await _repository.Get(1);
+			Assert.Equal("anohana-s1", season.Slug);
+			Show show = new()
+			{
+				ID = season.ShowID,
+				Slug = "new-slug"
+			};
+			await Repositories.LibraryManager.ShowRepository.Edit(show, false);
+			season = await _repository.Get(1);
+			Assert.Equal("new-slug-s1", season.Slug);
+		}
+		
+		[Fact]
+		public async Task SeasonNumberEditTest()
+		{
+			Season season = await _repository.Get(1);
+			Assert.Equal("anohana-s1", season.Slug);
+			await _repository.Edit(new Season
+			{
+				ID = 1,
+				SeasonNumber = 2
+			}, false);
+			season = await _repository.Get(1);
+			Assert.Equal("anohana-s2", season.Slug);
+		}
+		
+		[Fact]
+		public async Task SeasonCreationSlugTest()
+		{
+			Season season = await _repository.Create(new Season
+			{
+				ShowID = TestSample.Get<Show>().ID,
+				SeasonNumber = 2
+			});
+			Assert.Equal($"{TestSample.Get<Show>().Slug}-s2", season.Slug);
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/ShowTests.cs

@@ -0,0 +1,292 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Microsoft.EntityFrameworkCore;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class ShowTests : AShowTests
+		{
+			public ShowTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class ShowTests : AShowTests
+		{
+			public ShowTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class AShowTests : RepositoryTests<Show>
+	{
+		private readonly IShowRepository _repository;
+
+		protected AShowTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.ShowRepository;
+		}
+		
+		[Fact]
+		public async Task EditTest()
+		{
+			Show value = await _repository.Get(TestSample.Get<Show>().Slug);
+			value.Path = "/super";
+			value.Title = "New Title";
+			Show edited = await _repository.Edit(value, false);
+			KAssert.DeepEqual(value, edited);
+		
+			await using DatabaseContext database = Repositories.Context.New();
+			Show show = await database.Shows.FirstAsync();
+			
+			KAssert.DeepEqual(show, value);
+		}
+		
+		[Fact]
+		public async Task EditGenreTest()
+		{
+			Show value = await _repository.Get(TestSample.Get<Show>().Slug);
+			value.Genres = new[] {new Genre("test")};
+			Show edited = await _repository.Edit(value, false);
+			
+			Assert.Equal(value.Slug, edited.Slug);
+			Assert.Equal(value.Genres.Select(x => new{x.Slug, x.Name}), edited.Genres.Select(x => new{x.Slug, x.Name}));
+		
+			await using DatabaseContext database = Repositories.Context.New();
+			Show show = await database.Shows
+				.Include(x => x.Genres)
+				.FirstAsync();
+			
+			Assert.Equal(value.Slug, show.Slug);
+			Assert.Equal(value.Genres.Select(x => new{x.Slug, x.Name}), show.Genres.Select(x => new{x.Slug, x.Name}));
+		}
+		
+		[Fact]
+		public async Task EditStudioTest()
+		{
+			Show value = await _repository.Get(TestSample.Get<Show>().Slug);
+			value.Studio = new Studio("studio");
+			Show edited = await _repository.Edit(value, false);
+			
+			Assert.Equal(value.Slug, edited.Slug);
+			Assert.Equal("studio", edited.Studio.Slug);
+		
+			await using DatabaseContext database = Repositories.Context.New();
+			Show show = await database.Shows
+				.Include(x => x.Genres)
+				.FirstAsync();
+			
+			Assert.Equal(value.Slug, show.Slug);
+			Assert.Equal("studio", edited.Studio.Slug);
+		}
+		
+		[Fact]
+		public async Task EditAliasesTest()
+		{
+			Show value = await _repository.Get(TestSample.Get<Show>().Slug);
+			value.Aliases = new[] {"NiceNewAlias", "SecondAlias"};
+			Show edited = await _repository.Edit(value, false);
+			
+			Assert.Equal(value.Slug, edited.Slug);
+			Assert.Equal(value.Aliases, edited.Aliases);
+		
+			await using DatabaseContext database = Repositories.Context.New();
+			Show show = await database.Shows.FirstAsync();
+			
+			Assert.Equal(value.Slug, show.Slug);
+			Assert.Equal(value.Aliases, edited.Aliases);
+		}
+		
+		[Fact]
+		public async Task EditPeopleTest()
+		{
+			Show value = await _repository.Get(TestSample.Get<Show>().Slug);
+			value.People = new[]
+			{
+				new PeopleRole
+				{
+					Show = value,
+					People = TestSample.Get<People>(),
+					ForPeople = false,
+					Type = "Actor",
+					Role = "NiceCharacter"
+				}
+			};
+			Show edited = await _repository.Edit(value, false);
+			
+			Assert.Equal(value.Slug, edited.Slug);
+			Assert.Equal(edited.People.First().ShowID, value.ID);
+			Assert.Equal(
+				value.People.Select(x => new{x.Role, x.Slug, x.People.Name}), 
+				edited.People.Select(x => new{x.Role, x.Slug, x.People.Name}));
+		
+			await using DatabaseContext database = Repositories.Context.New();
+			Show show = await database.Shows
+				.Include(x => x.People)
+				.FirstAsync();
+			
+			Assert.Equal(value.Slug, show.Slug);
+			Assert.Equal(
+				value.People.Select(x => new{x.Role, x.Slug, x.People.Name}), 
+				edited.People.Select(x => new{x.Role, x.Slug, x.People.Name}));
+		}
+		
+		[Fact]
+		public async Task EditExternalIDsTest()
+		{
+			Show value = await _repository.Get(TestSample.Get<Show>().Slug);
+			value.ExternalIDs = new[]
+			{
+				new MetadataID<Show>()
+				{
+					First = value,
+					Second = new Provider("test", "test.png"),
+					DataID = "1234"
+				}
+			};
+			Show edited = await _repository.Edit(value, false);
+			
+			Assert.Equal(value.Slug, edited.Slug);
+			Assert.Equal(
+				value.ExternalIDs.Select(x => new {x.DataID, x.Second.Slug}), 
+				edited.ExternalIDs.Select(x => new {x.DataID, x.Second.Slug}));
+		
+			await using DatabaseContext database = Repositories.Context.New();
+			Show show = await database.Shows
+				.Include(x => x.ExternalIDs)
+				.ThenInclude(x => x.Second)
+				.FirstAsync();
+			
+			Assert.Equal(value.Slug, show.Slug);
+			Assert.Equal(
+				value.ExternalIDs.Select(x => new {x.DataID, x.Second.Slug}), 
+				show.ExternalIDs.Select(x => new {x.DataID, x.Second.Slug}));
+		}
+		
+		[Fact]
+		public async Task EditResetOldTest()
+		{
+			Show value = await _repository.Get(TestSample.Get<Show>().Slug);
+			Show newValue = new()
+			{
+				ID = value.ID,
+				Title = "Reset"
+			};
+			
+			await Assert.ThrowsAsync<ArgumentException>(() => _repository.Edit(newValue, true));
+			
+			newValue.Slug = "reset";
+			Show edited = await _repository.Edit(newValue, true);
+			
+			Assert.Equal(value.ID, edited.ID);
+			Assert.Null(edited.Overview);
+			Assert.Equal("reset", edited.Slug);
+			Assert.Equal("Reset", edited.Title);
+			Assert.Null(edited.Aliases);
+			Assert.Null(edited.ExternalIDs);
+			Assert.Null(edited.People);
+			Assert.Null(edited.Genres);
+			Assert.Null(edited.Studio);
+		}
+		
+		[Fact]
+		public async Task CreateWithRelationsTest()
+		{
+			Show expected = TestSample.Get<Show>();
+			expected.ID = 0;
+			expected.Slug = "created-relation-test";
+			expected.ExternalIDs = new[]
+			{
+				new MetadataID<Show>
+				{
+					First = expected,
+					Second = new Provider("provider", "provider.png"),
+					DataID = "ID"
+				}
+			};
+			expected.Genres = new[]
+			{
+				new Genre
+				{
+					Name = "Genre",
+					Slug = "genre"
+				}
+			};
+			expected.People = new[]
+			{
+				new PeopleRole
+				{
+					People = TestSample.Get<People>(),
+					Show = expected,
+					ForPeople = false,
+					Role = "actor"
+				}
+			};
+			expected.Studio = new Studio("studio");
+			Show created = await _repository.Create(expected);
+			KAssert.DeepEqual(expected, created);
+		}
+
+		[Fact]
+		public async Task SlugDuplicationTest()
+		{
+			Show test = TestSample.Get<Show>();
+			test.ID = 0;
+			test.Slug = "300";
+			Show created = await _repository.Create(test);
+			Assert.Equal("300!", created.Slug);
+		}
+		
+		[Fact]
+		public async Task GetSlugTest()
+		{
+			Show reference = TestSample.Get<Show>();
+			Assert.Equal(reference.Slug, await _repository.GetSlug(reference.ID));
+		}
+		
+		[Theory]
+		[InlineData("test")]
+		[InlineData("super")]
+		[InlineData("title")]
+		[InlineData("TiTlE")]
+		[InlineData("SuPeR")]
+		public async Task SearchTest(string query)
+		{
+			Show value = new()
+			{
+				Slug = "super-test",
+				Title = "This is a test title²"
+			};
+			await _repository.Create(value);
+			ICollection<Show> ret = await _repository.Search(query);
+			KAssert.DeepEqual(value, ret.First());
+		}
+		
+		[Fact]
+		public async Task DeleteShowWithEpisodeAndSeason()
+		{
+			Show show = TestSample.Get<Show>();
+			await Repositories.LibraryManager.Load(show, x => x.Seasons);
+			await Repositories.LibraryManager.Load(show, x => x.Episodes);
+			Assert.Equal(1, await _repository.GetCount());
+			Assert.Equal(1, show.Seasons.Count);
+			Assert.Equal(1, show.Episodes.Count);
+			await _repository.Delete(show);
+			Assert.Equal(0, await Repositories.LibraryManager.ShowRepository.GetCount());
+			Assert.Equal(0, await Repositories.LibraryManager.SeasonRepository.GetCount());
+			Assert.Equal(0, await Repositories.LibraryManager.EpisodeRepository.GetCount());
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/StudioTests.cs

@@ -0,0 +1,37 @@
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class StudioTests : AStudioTests
+		{
+			public StudioTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class StudioTests : AStudioTests
+		{
+			public StudioTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class AStudioTests : RepositoryTests<Studio>
+	{
+		private readonly IStudioRepository _repository;
+
+		protected AStudioTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.StudioRepository;
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/TrackTests.cs

@@ -0,0 +1,51 @@
+using System.Threading.Tasks;
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class TrackTests : ATrackTests
+		{
+			public TrackTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class TrackTests : ATrackTests
+		{
+			public TrackTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class ATrackTests : RepositoryTests<Track>
+	{
+		private readonly ITrackRepository _repository;
+
+		protected ATrackTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = repositories.LibraryManager.TrackRepository;
+		}
+		
+		[Fact]
+		public async Task SlugEditTest()
+		{
+			await Repositories.LibraryManager.ShowRepository.Edit(new Show
+			{
+				ID = 1,
+				Slug = "new-slug"
+			}, false);
+			Track track = await _repository.Get(1);
+			Assert.Equal("new-slug-s1e1.eng-1.subtitle", track.Slug);
+		}
+	}
+}

Kyoo.Tests/Library/SpecificTests/UserTests.cs

@@ -0,0 +1,37 @@
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Kyoo.Tests.Library
+{
+	namespace SqLite
+	{
+		public class UserTests : AUserTests
+		{
+			public UserTests(ITestOutputHelper output)
+				: base(new RepositoryActivator(output)) { }
+		}
+	}
+
+	namespace PostgreSQL
+	{
+		[Collection(nameof(Postgresql))]
+		public class UserTests : AUserTests
+		{
+			public UserTests(PostgresFixture postgres, ITestOutputHelper output)
+				: base(new RepositoryActivator(output, postgres)) { }
+		}
+	}
+
+	public abstract class AUserTests : RepositoryTests<User>
+	{
+		private readonly IUserRepository _repository;
+
+		protected AUserTests(RepositoryActivator repositories)
+			: base(repositories)
+		{
+			_repository = Repositories.LibraryManager.UserRepository;
+		}
+	}
+}

Kyoo.Tests/Library/TestContext.cs

@@ -1,79 +1,203 @@
-// using Kyoo.Models;
+using System;
-// using Microsoft.Data.Sqlite;
+using System.Threading.Tasks;
-// using Microsoft.EntityFrameworkCore;
+using Kyoo.Postgresql;
-//
+using Kyoo.SqLite;
-// namespace Kyoo.Tests
+using Microsoft.Data.Sqlite;
-// {
+using Microsoft.EntityFrameworkCore;
-// 	/// <summary>
+using Microsoft.Extensions.Logging;
-// 	/// Class responsible to fill and create in memory databases for unit tests.
+using Npgsql;
-// 	/// </summary>
+using Xunit;
-// 	public class TestContext
+using Xunit.Abstractions;
-// 	{
+
-// 		/// <summary>
+namespace Kyoo.Tests
-// 		/// The context's options that specify to use an in memory Sqlite database.
+{
-// 		/// </summary>
+	public sealed class SqLiteTestContext : TestContext
-// 		private readonly DbContextOptions<DatabaseContext> _context;
+	{
-// 		
+		/// <summary>
-// 		/// <summary>
+		/// The internal sqlite connection used by all context returned by this class.
-// 		/// Create a new database and fill it with information.
+		/// </summary>
-// 		/// </summary>
+		private readonly SqliteConnection _connection;
-// 		public TestContext()
+		
-// 		{
+		/// <summary>
-// 			SqliteConnection connection = new("DataSource=:memory:");
+		/// The context's options that specify to use an in memory Sqlite database.
-// 			connection.Open();
+		/// </summary>
-//
+		private readonly DbContextOptions<DatabaseContext> _context;
-// 			try
+
-// 			{
+		public SqLiteTestContext(ITestOutputHelper output)
-// 				_context = new DbContextOptionsBuilder<DatabaseContext>()
+		{
-// 					.UseSqlite(connection)
+			_connection = new SqliteConnection("DataSource=:memory:");
-// 					.Options;
+			_connection.Open();
-// 				FillDatabase();
+			
-// 			}
+			_context = new DbContextOptionsBuilder<DatabaseContext>()
-// 			finally
+				.UseSqlite(_connection)
-// 			{
+				.UseLoggerFactory(LoggerFactory.Create(x =>
-// 				connection.Close();
+				{
-// 			}
+					x.ClearProviders();
-// 		}
+					x.AddXunit(output);
-//
+				}))
-// 		/// <summary>
+				.EnableSensitiveDataLogging()
-// 		/// Fill the database with pre defined values using a clean context.
+				.EnableDetailedErrors()
-// 		/// </summary>
+				.Options;
-// 		private void FillDatabase()
+			
-// 		{
+			using DatabaseContext context = New();
-// 			using DatabaseContext context = new(_context);
+			context.Database.Migrate();
-// 			context.Shows.Add(new Show
+			TestSample.FillDatabase(context);
-// 			{
+		}
-// 				ID = 67,
+		
-// 				Slug = "anohana",
+		public override void Dispose()
-// 				Title = "Anohana: The Flower We Saw That Day",
+		{
-// 				Aliases = new[]
+			_connection.Close();
-// 				{
+		}
-// 					"Ano Hi Mita Hana no Namae o Bokutachi wa Mada Shiranai.",
+
-// 					"AnoHana",
+		public override async ValueTask DisposeAsync()
-// 					"We Still Don't Know the Name of the Flower We Saw That Day."
+		{
-// 				},
+			await _connection.CloseAsync();
-// 				Overview = "When Yadomi Jinta was a child, he was a central piece in a group of close friends. " +
+		}
-// 				           "In time, however, these childhood friends drifted apart, and when they became high " +
+
-// 				           "school students, they had long ceased to think of each other as friends.",
+		public override DatabaseContext New()
-// 				Status = Status.Finished,
+		{
-// 				TrailerUrl = null,
+			return new SqLiteContext(_context);
-// 				StartYear = 2011,
+		}
-// 				EndYear = 2011,
+	}
-// 				Poster = "poster",
+	
-// 				Logo = "logo",
+	[CollectionDefinition(nameof(Postgresql))]
-// 				Backdrop = "backdrop",
+	public class PostgresCollection : ICollectionFixture<PostgresFixture>
-// 				IsMovie = false,
+	{}
-// 				Studio = null
+
-// 			});
+	public sealed class PostgresFixture : IDisposable
-// 		}
+	{
-//
+		private readonly DbContextOptions<DatabaseContext> _options;
-// 		/// <summary>
+		
-// 		/// Get a new database context connected to a in memory Sqlite database.
+		public string Template { get; }
-// 		/// </summary>
+
-// 		/// <returns>A valid DatabaseContext</returns>
+		public string Connection => PostgresTestContext.GetConnectionString(Template);
-// 		public DatabaseContext New()
+		
-// 		{
+		public PostgresFixture()
-// 			return new(_context);
+		{
-// 		}
+			// TODO Assert.Skip when postgres is not available. (this needs xunit v3)
-// 	}
+			
-// }
+			string id = Guid.NewGuid().ToString().Replace('-', '_');
+			Template = $"kyoo_template_{id}";
+			
+			_options = new DbContextOptionsBuilder<DatabaseContext>()
+				.UseNpgsql(Connection)
+				.Options;
+			
+			using PostgresContext context = new(_options);
+			context.Database.Migrate();
+
+			using NpgsqlConnection conn = (NpgsqlConnection)context.Database.GetDbConnection();
+			conn.Open();
+			conn.ReloadTypes();
+
+			TestSample.FillDatabase(context);
+			conn.Close();
+		}
+		
+		public void Dispose()
+		{
+			using PostgresContext context = new(_options);
+			context.Database.EnsureDeleted();
+		}
+	}
+	
+	public sealed class PostgresTestContext : TestContext
+	{
+		private readonly NpgsqlConnection _connection;
+		private readonly DbContextOptions<DatabaseContext> _context;
+		
+		public PostgresTestContext(PostgresFixture template, ITestOutputHelper output)
+		{
+			string id = Guid.NewGuid().ToString().Replace('-', '_');
+			string database = $"kyoo_test_{id}";
+
+			using (NpgsqlConnection connection = new(template.Connection))
+			{
+				connection.Open();
+				using NpgsqlCommand cmd = new($"CREATE DATABASE {database} WITH TEMPLATE {template.Template}", connection);
+				cmd.ExecuteNonQuery();
+			}
+
+			_connection = new NpgsqlConnection(GetConnectionString(database));
+			_connection.Open();
+
+			_context = new DbContextOptionsBuilder<DatabaseContext>()
+				.UseNpgsql(_connection)
+				.UseLoggerFactory(LoggerFactory.Create(x =>
+				{
+					x.ClearProviders();
+					x.AddXunit(output);
+				}))
+				.EnableSensitiveDataLogging()
+				.EnableDetailedErrors()
+				.Options;
+		}
+		
+		public static string GetConnectionString(string database)
+		{
+			string server = Environment.GetEnvironmentVariable("POSTGRES_HOST") ?? "127.0.0.1";
+			string port = Environment.GetEnvironmentVariable("POSTGRES_PORT") ?? "5432";
+			string username = Environment.GetEnvironmentVariable("POSTGRES_USERNAME") ?? "kyoo";
+			string password = Environment.GetEnvironmentVariable("POSTGRES_PASSWORD") ?? "kyooPassword";
+			return $"Server={server};Port={port};Database={database};User ID={username};Password={password};Include Error Detail=true";
+		}
+		
+		public override void Dispose()
+		{
+			using DatabaseContext db = New();
+			db.Database.EnsureDeleted();
+			_connection.Close();
+		}
+
+		public override async ValueTask DisposeAsync()
+		{
+			await using DatabaseContext db = New();
+			await db.Database.EnsureDeletedAsync();
+			await _connection.CloseAsync();
+		}
+
+		public override DatabaseContext New()
+		{
+			return new PostgresContext(_context);
+		}
+	}
+	
+	
+	/// <summary>
+	/// Class responsible to fill and create in memory databases for unit tests.
+	/// </summary>
+	public abstract class TestContext : IDisposable, IAsyncDisposable
+	{
+		/// <summary>
+		/// Add an arbitrary data to the test context.
+		/// </summary>
+		public void Add<T>(T obj) 
+			where T : class
+		{
+			using DatabaseContext context = New();
+			context.Set<T>().Add(obj);
+			context.SaveChanges();
+		}
+		
+		/// <summary>
+		/// Add an arbitrary data to the test context.
+		/// </summary>
+		public async Task AddAsync<T>(T obj) 
+			where T : class
+		{
+			await using DatabaseContext context = New();
+			await context.Set<T>().AddAsync(obj);
+			await context.SaveChangesAsync();
+		}
+
+		/// <summary>
+		/// Get a new database context connected to a in memory Sqlite database.
+		/// </summary>
+		/// <returns>A valid DatabaseContext</returns>
+		public abstract DatabaseContext New();
+
+		public abstract void Dispose();
+
+		public abstract ValueTask DisposeAsync();
+	}
+}

Kyoo.Tests/Library/TestSample.cs

@@ -0,0 +1,276 @@
+using System;
+using System.Collections.Generic;
+using Kyoo.Models;
+
+namespace Kyoo.Tests
+{
+	public static class TestSample
+	{
+		private static readonly Dictionary<Type, Func<object>> NewSamples = new()
+		{
+			{
+				typeof(Show),
+				() => new Show()
+			}
+		};
+		
+		
+		private static readonly Dictionary<Type, Func<object>> Samples = new()
+		{
+			{
+				typeof(Models.Library),
+				() => new Models.Library
+				{
+					ID = 1,
+					Slug = "deck",
+					Name = "Deck",
+					Paths = new[] {"/path/to/deck"}
+				}
+			},
+			{
+				typeof(Collection),
+				() => new Collection
+				{
+					ID = 1,
+					Slug = "collection",
+					Name = "Collection",
+					Overview = "A nice collection for tests",
+					Poster = "Poster"
+				}
+			},
+			{
+				typeof(Show),
+				() => new Show
+				{
+					ID = 1,
+					Slug = "anohana",
+					Title = "Anohana: The Flower We Saw That Day",
+					Aliases = new[]
+					{
+						"Ano Hi Mita Hana no Namae o Bokutachi wa Mada Shiranai.",
+						"AnoHana",
+						"We Still Don't Know the Name of the Flower We Saw That Day."
+					},
+					Overview = "When Yadomi Jinta was a child, he was a central piece in a group of close friends. " +
+					           "In time, however, these childhood friends drifted apart, and when they became high " +
+					           "school students, they had long ceased to think of each other as friends.",
+					Status = Status.Finished,
+					TrailerUrl = null,
+					StartAir = new DateTime(2011, 1, 1),
+					EndAir = new DateTime(2011, 1, 1),
+					Poster = "poster",
+					Logo = "logo",
+					Backdrop = "backdrop",
+					IsMovie = false,
+					Studio = null
+				}
+			},
+			{
+				typeof(Season),
+				() => new Season
+				{
+					ID = 1,
+					ShowSlug = "anohana",
+					ShowID = 1,
+					SeasonNumber = 1,
+					Title = "Season 1",
+					Overview = "The first season",
+					StartDate = new DateTime(2020, 06, 05),
+					EndDate =  new DateTime(2020, 07, 05),
+					Poster = "poster"
+				}
+			},
+			{
+				typeof(Episode),
+				() => new Episode
+				{
+					ID = 1,
+					ShowSlug = "anohana",
+					ShowID = 1,
+					SeasonID = 1,
+					SeasonNumber = 1,
+					EpisodeNumber = 1,
+					AbsoluteNumber = 1,
+					Path = "/home/kyoo/anohana-s1e1",
+					Thumb = "thumbnail",
+					Title = "Episode 1",
+					Overview = "Summary of the first episode",
+					ReleaseDate = new DateTime(2020, 06, 05)
+				}
+			},
+			{
+				typeof(Track),
+				() => new Track
+				{
+					ID = 1,
+					EpisodeID = 1,
+					Codec = "subrip",
+					Language = "eng",
+					Path = "/path",
+					Title = "Subtitle track",
+					Type = StreamType.Subtitle,
+					EpisodeSlug = Get<Episode>().Slug,
+					IsDefault = true,
+					IsExternal = false,
+					IsForced = false,
+					TrackIndex = 1
+				}
+			},
+			{
+				typeof(People),
+				() => new People
+				{
+					ID = 1,
+					Slug = "the-actor",
+					Name = "The Actor",
+					Poster = "NicePoster"
+				}
+			},
+			{
+				typeof(Studio),
+				() => new Studio
+				{
+					ID = 1,
+					Slug = "hyper-studio",
+					Name = "Hyper studio"
+				}
+			},
+			{
+				typeof(Genre),
+				() => new Genre
+				{
+					ID = 1,
+					Slug = "action",
+					Name = "Action"
+				}
+			},
+			{
+				typeof(Provider),
+				() => new Provider
+				{
+					ID = 1,
+					Slug = "tvdb",
+					Name = "The TVDB",
+					Logo = "path/tvdb.svg",
+					LogoExtension = "svg"
+				}
+			},
+			{
+				typeof(User),
+				() => new User
+				{
+					ID = 1,
+					Slug = "user",
+					Username = "User",
+					Email = "user@im-a-user.com",
+					Password = "MD5-encoded",
+					Permissions = new [] {"overall.read"}
+				}
+			}
+		};
+
+		public static T Get<T>()
+		{
+			return (T)Samples[typeof(T)]();
+		}
+		
+		public static T GetNew<T>()
+		{
+			return (T)NewSamples[typeof(T)]();
+		}
+
+		public static void FillDatabase(DatabaseContext context)
+		{
+			Collection collection = Get<Collection>();
+			collection.ID = 0;
+			context.Collections.Add(collection);
+			
+			Show show = Get<Show>();
+			show.ID = 0;
+			context.Shows.Add(show);
+
+			Season season = Get<Season>();
+			season.ID = 0;
+			season.ShowID = 0;
+			season.Show = show;
+			context.Seasons.Add(season);
+
+			Episode episode = Get<Episode>();
+			episode.ID = 0;
+			episode.ShowID = 0;
+			episode.Show = show;
+			episode.SeasonID = 0;
+			episode.Season = season;
+			context.Episodes.Add(episode);
+
+			Track track = Get<Track>();
+			track.ID = 0;
+			track.EpisodeID = 0;
+			track.Episode = episode;
+			context.Tracks.Add(track);
+
+			Studio studio = Get<Studio>();
+			studio.ID = 0;
+			studio.Shows = new List<Show> {show};
+			context.Studios.Add(studio);
+
+			Genre genre = Get<Genre>();
+			genre.ID = 0;
+			genre.Shows = new List<Show> {show};
+			context.Genres.Add(genre);
+
+			People people = Get<People>();
+			people.ID = 0;
+			context.People.Add(people);
+			
+			Provider provider = Get<Provider>();
+			provider.ID = 0;
+			context.Providers.Add(provider);
+			
+			Models.Library library = Get<Models.Library>();
+			library.ID = 0;
+			library.Collections = new List<Collection> {collection};
+			library.Providers = new List<Provider> {provider};
+			context.Libraries.Add(library);
+
+			User user = Get<User>();
+			user.ID = 0;
+			context.Users.Add(user);
+
+			context.SaveChanges();
+		}
+
+		public static Episode GetAbsoluteEpisode()
+		{
+			return new()
+			{
+				ID = 2,
+				ShowSlug = "anohana",
+				ShowID = 1,
+				SeasonNumber = null,
+				EpisodeNumber = null,
+				AbsoluteNumber = 3,
+				Path = "/home/kyoo/anohana-3",
+				Thumb = "thumbnail",
+				Title = "Episode 3",
+				Overview = "Summary of the third absolute episode",
+				ReleaseDate = new DateTime(2020, 06, 05)
+			};
+		}
+
+		public static Episode GetMovieEpisode()
+		{
+			return new()
+			{
+				ID = 3,
+				ShowSlug = "anohana",
+				ShowID = 1,
+				Path = "/home/kyoo/john-wick",
+				Thumb = "thumb",
+				Title = "John wick",
+				Overview = "A movie episode test",
+				ReleaseDate = new DateTime(1595, 05, 12)
+			};
+		}
+	}
+}

Kyoo.Tests/Utility/EnumerableTests.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Kyoo.Tests
+{
+	public class EnumerableTests
+	{
+		[Fact]
+		public void MapTest()
+		{
+			int[] list = {1, 2, 3, 4};
+			Assert.All(list.Map((x, i) => (x, i)), x => Assert.Equal(x.x - 1, x.i));
+			Assert.Throws<ArgumentNullException>(() => list.Map(((Func<int, int, int>)null)!));
+			list = null;
+			Assert.Throws<ArgumentNullException>(() => list!.Map((x, _) => x + 1));
+		}
+		
+		[Fact]
+		public async Task MapAsyncTest()
+		{
+			int[] list = {1, 2, 3, 4};
+			await foreach((int x, int i) in list.MapAsync((x, i) => Task.FromResult((x, i))))
+			{
+				Assert.Equal(x - 1, i);
+			}
+			Assert.Throws<ArgumentNullException>(() => list.MapAsync(((Func<int, int, Task<int>>)null)!));
+			list = null;
+			Assert.Throws<ArgumentNullException>(() => list!.MapAsync((x, _) => Task.FromResult(x + 1)));
+		}
+		
+		[Fact]
+		public async Task SelectAsyncTest()
+		{
+			int[] list = {1, 2, 3, 4};
+			int i = 2;
+			await foreach(int x in list.SelectAsync(x => Task.FromResult(x + 1)))
+			{
+				Assert.Equal(i++, x);
+			}
+			Assert.Throws<ArgumentNullException>(() => list.SelectAsync(((Func<int, Task<int>>)null)!));
+			list = null;
+			Assert.Throws<ArgumentNullException>(() => list!.SelectAsync(x => Task.FromResult(x + 1)));
+		}
+		
+		[Fact]
+		public async Task ToListAsyncTest()
+		{
+			int[] expected = {1, 2, 3, 4};
+			IAsyncEnumerable<int> list = expected.SelectAsync(Task.FromResult);
+			Assert.Equal(expected, await list.ToListAsync());
+			list = null;
+			await Assert.ThrowsAsync<ArgumentNullException>(() => list!.ToListAsync());
+		}
+		
+		[Fact]
+		public void IfEmptyTest()
+		{
+			int[] list = {1, 2, 3, 4};
+			list = list.IfEmpty(() => KAssert.Fail("Empty action should not be triggered.")).ToArray();
+			Assert.Throws<ArgumentNullException>(() => list.IfEmpty(null!).ToList());
+			list = null;
+			Assert.Throws<ArgumentNullException>(() => list!.IfEmpty(() => {}).ToList());
+			list = Array.Empty<int>();
+			Assert.Throws<ArgumentException>(() => list.IfEmpty(() => throw new ArgumentException()).ToList());
+			Assert.Empty(list.IfEmpty(() => {}));
+		}
+	}
+}

Kyoo.Tests/Utility/MergerTests.cs

@@ -0,0 +1,21 @@
+using Kyoo.Models;
+using Xunit;
+
+namespace Kyoo.Tests
+{
+	public class MergerTests
+	{
+		[Fact]
+		public void NullifyTest()
+		{
+			Genre genre = new("test")
+			{
+				ID = 5
+			};
+			Merger.Nullify(genre);
+			Assert.Equal(0, genre.ID);
+			Assert.Null(genre.Name);
+			Assert.Null(genre.Slug);
+		}
+	}
+}

Kyoo.Tests/Utility/TaskTests.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Kyoo.Tests
+{
+	public class TaskTests
+	{
+		[Fact]
+		public async Task DefaultIfNullTest()
+		{
+			Assert.Equal(0, await TaskUtils.DefaultIfNull<int>(null));
+			Assert.Equal(1, await TaskUtils.DefaultIfNull(Task.FromResult(1)));
+		}
+
+		[Fact]
+		public async Task ThenTest()
+		{
+			await Assert.ThrowsAsync<ArgumentException>(() => Task.FromResult(1)
+				.Then(_ => throw new ArgumentException()));
+			Assert.Equal(1, await Task.FromResult(1)
+				.Then(_ => {}));
+
+			static async Task<int> Faulted()
+			{
+				await Task.Delay(1);
+				throw new ArgumentException();
+			}
+			await Assert.ThrowsAsync<ArgumentException>(() => Faulted().Then(_ => KAssert.Fail()));
+
+			static async Task<int> Infinite()
+			{
+				await Task.Delay(100000);
+				return 1;
+			}
+
+			CancellationTokenSource token = new();
+			token.Cancel();
+			await Assert.ThrowsAsync<TaskCanceledException>(() => Task.Run(Infinite, token.Token)
+				.Then(_ => {}));
+		}
+		
+		[Fact]
+		public async Task MapTest()
+		{
+			await Assert.ThrowsAsync<ArgumentException>(() => Task.FromResult(1)
+				.Map<int, int>(_ => throw new ArgumentException()));
+			Assert.Equal(2, await Task.FromResult(1)
+				.Map(x => x + 1));
+
+			static async Task<int> Faulted()
+			{
+				await Task.Delay(1);
+				throw new ArgumentException();
+			}
+			await Assert.ThrowsAsync<ArgumentException>(() => Faulted()
+				.Map(x =>
+				{
+					KAssert.Fail();
+					return x;
+				}));
+
+			static async Task<int> Infinite()
+			{
+				await Task.Delay(100000);
+				return 1;
+			}
+
+			CancellationTokenSource token = new();
+			token.Cancel();
+			await Assert.ThrowsAsync<TaskCanceledException>(() => Task.Run(Infinite, token.Token)
+				.Map(x => x));
+		}
+	}
+}

Kyoo.Tests/Utility/UtilityTests.cs

@@ -13,12 +13,23 @@ namespace Kyoo.Tests
 			Expression<Func<Show, int>> member = x => x.ID;
 			Expression<Func<Show, object>> memberCast = x => x.ID;
 
-			Assert.True(Utility.IsPropertyExpression(null));
+			Assert.False(Utility.IsPropertyExpression(null));
 			Assert.True(Utility.IsPropertyExpression(member));
 			Assert.True(Utility.IsPropertyExpression(memberCast));
 
 			Expression<Func<Show, object>> call = x => x.GetID("test");
 			Assert.False(Utility.IsPropertyExpression(call));
 		}
+		
+		[Fact]
+		public void GetPropertyName_Test()
+		{
+			Expression<Func<Show, int>> member = x => x.ID;
+			Expression<Func<Show, object>> memberCast = x => x.ID;
+
+			Assert.Equal("ID", Utility.GetPropertyName(member));
+			Assert.Equal("ID", Utility.GetPropertyName(memberCast));
+			Assert.Throws<ArgumentException>(() => Utility.GetPropertyName(null));
+		}
 	}
 }

Kyoo.sln

@@ -11,6 +11,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Kyoo.Postgresql", "Kyoo.Pos
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Kyoo.Authentication", "Kyoo.Authentication\Kyoo.Authentication.csproj", "{7A841335-6523-47DB-9717-80AA7BD943FD}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Kyoo.SqLite", "Kyoo.SqLite\Kyoo.SqLite.csproj", "{6515380E-1E57-42DA-B6E3-E1C8A848818A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -41,5 +43,9 @@ Global
 		{7A841335-6523-47DB-9717-80AA7BD943FD}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7A841335-6523-47DB-9717-80AA7BD943FD}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7A841335-6523-47DB-9717-80AA7BD943FD}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6515380E-1E57-42DA-B6E3-E1C8A848818A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6515380E-1E57-42DA-B6E3-E1C8A848818A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6515380E-1E57-42DA-B6E3-E1C8A848818A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6515380E-1E57-42DA-B6E3-E1C8A848818A}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

Kyoo/Controllers/ProviderManager.cs

@@ -29,7 +29,7 @@ namespace Kyoo.Controllers
 			{
 				try
 				{
-					ret = Utility.Merge(ret, await providerCall(provider));
+					ret = Merger.Merge(ret, await providerCall(provider));
 				} catch (Exception ex) 
 				{
 					await Console.Error.WriteLineAsync(
@@ -122,16 +122,15 @@ namespace Kyoo.Controllers
 			season.Show = show;
 			season.ShowID = show.ID;
 			season.ShowSlug = show.Slug;
-			season.SeasonNumber = season.SeasonNumber == -1 ? seasonNumber : season.SeasonNumber;
 			season.Title ??= $"Season {season.SeasonNumber}";
 			return season;
 		}
 
 		public async Task<Episode> GetEpisode(Show show, 
 			string episodePath,
-			int seasonNumber, 
+			int? seasonNumber, 
-			int episodeNumber,
+			int? episodeNumber,
-			int absoluteNumber,
+			int? absoluteNumber,
 			Library library)
 		{
 			Episode episode = await GetMetadata(
@@ -142,9 +141,9 @@ namespace Kyoo.Controllers
 			episode.ShowID = show.ID;
 			episode.ShowSlug = show.Slug;
 			episode.Path = episodePath;
-			episode.SeasonNumber = episode.SeasonNumber != -1 ? episode.SeasonNumber : seasonNumber;
+			episode.SeasonNumber ??= seasonNumber;
-			episode.EpisodeNumber = episode.EpisodeNumber != -1 ? episode.EpisodeNumber : episodeNumber;
+			episode.EpisodeNumber ??= episodeNumber;
-			episode.AbsoluteNumber = episode.AbsoluteNumber != -1 ? episode.AbsoluteNumber : absoluteNumber;
+			episode.AbsoluteNumber ??= absoluteNumber;
 			return episode;
 		}
 

Kyoo/Controllers/Repositories/EpisodeRepository.cs

@@ -2,7 +2,6 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
-using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Kyoo.Models;
 using Kyoo.Models.Exceptions;
@@ -16,7 +15,7 @@ namespace Kyoo.Controllers
 	public class EpisodeRepository : LocalRepository<Episode>, IEpisodeRepository
 	{
 		/// <summary>
-		/// The databse handle
+		/// The database handle
 		/// </summary>
 		private readonly DatabaseContext _database;
 		/// <summary>
@@ -24,10 +23,6 @@ namespace Kyoo.Controllers
 		/// </summary>
 		private readonly IProviderRepository _providers;
 		/// <summary>
-		/// A show repository to get show's slug from their ID and keep the slug in each episode.
-		/// </summary>
-		private readonly IShowRepository _shows;
-		/// <summary>
 		/// A track repository to handle creation and deletion of tracks related to the current episode.
 		/// </summary>
 		private readonly ITrackRepository _tracks;
@@ -41,66 +36,31 @@ namespace Kyoo.Controllers
 		/// </summary>
 		/// <param name="database">The database handle to use.</param>
 		/// <param name="providers">A provider repository</param>
-		/// <param name="shows">A show repository</param>
 		/// <param name="tracks">A track repository</param>
 		public EpisodeRepository(DatabaseContext database,
 			IProviderRepository providers,
-			IShowRepository shows,
 			ITrackRepository tracks) 
 			: base(database)
 		{
 			_database = database;
 			_providers = providers;
-			_shows = shows;
 			_tracks = tracks;
 		}
 		
-
 		/// <inheritdoc />
-		public override async Task<Episode> GetOrDefault(int id)
+		public Task<Episode> GetOrDefault(int showID, int seasonNumber, int episodeNumber)
 		{
-			Episode ret = await base.GetOrDefault(id);
+			return _database.Episodes.FirstOrDefaultAsync(x => x.ShowID == showID 
-			if (ret != null)
+			                                                   && x.SeasonNumber == seasonNumber 
-				ret.ShowSlug = await _shows.GetSlug(ret.ShowID);
+			                                                   && x.EpisodeNumber == episodeNumber);
-			return ret;
+		}
-		}
+
-
+		/// <inheritdoc />
-		/// <inheritdoc />
+		public Task<Episode> GetOrDefault(string showSlug, int seasonNumber, int episodeNumber)
-		public override async Task<Episode> GetOrDefault(string slug)
+		{
-		{
+			return _database.Episodes.FirstOrDefaultAsync(x => x.Show.Slug == showSlug 
-			Match match = Regex.Match(slug, @"(?<show>.*)-s(?<season>\d*)e(?<episode>\d*)");
-
-			if (match.Success)
-			{
-				return await GetOrDefault(match.Groups["show"].Value,
-					int.Parse(match.Groups["season"].Value),
-					int.Parse(match.Groups["episode"].Value));
-			}
-
-			Episode episode = await _database.Episodes.FirstOrDefaultAsync(x => x.Show.Slug == slug);
-			if (episode != null)
-				episode.ShowSlug = slug;
-			return episode;
-		}
-
-		/// <inheritdoc />
-		public override async Task<Episode> GetOrDefault(Expression<Func<Episode, bool>> where)
-		{
-			Episode ret = await base.GetOrDefault(where);
-			if (ret != null)
-				ret.ShowSlug = await _shows.GetSlug(ret.ShowID);
-			return ret;
-		}
-
-		/// <inheritdoc />
-		public async Task<Episode> GetOrDefault(string showSlug, int seasonNumber, int episodeNumber)
-		{
-			Episode ret = await _database.Episodes.FirstOrDefaultAsync(x => x.Show.Slug == showSlug 
 			                                                   && x.SeasonNumber == seasonNumber 
 			                                                   && x.EpisodeNumber == episodeNumber);
-			if (ret != null)
-				ret.ShowSlug = showSlug;
-			return ret;
 		}
 
 		/// <inheritdoc />
@@ -122,59 +82,28 @@ namespace Kyoo.Controllers
 		}
 
 		/// <inheritdoc />
-		public async Task<Episode> GetOrDefault(int showID, int seasonNumber, int episodeNumber)
+		public Task<Episode> GetAbsolute(int showID, int absoluteNumber)
 		{
-			Episode ret = await _database.Episodes.FirstOrDefaultAsync(x => x.ShowID == showID 
+			return _database.Episodes.FirstOrDefaultAsync(x => x.ShowID == showID 
-			                                                                && x.SeasonNumber == seasonNumber 
+			                                                   && x.AbsoluteNumber == absoluteNumber);
-			                                                                && x.EpisodeNumber == episodeNumber);
-			if (ret != null)
-				ret.ShowSlug = await _shows.GetSlug(showID);
-			return ret;
 		}
 
 		/// <inheritdoc />
-		public async Task<Episode> GetAbsolute(int showID, int absoluteNumber)
+		public Task<Episode> GetAbsolute(string showSlug, int absoluteNumber)
 		{
-			Episode ret = await _database.Episodes.FirstOrDefaultAsync(x => x.ShowID == showID 
+			return _database.Episodes.FirstOrDefaultAsync(x => x.Show.Slug == showSlug 
 			                                                   && x.AbsoluteNumber == absoluteNumber);
-			if (ret != null)
-				ret.ShowSlug = await _shows.GetSlug(showID);
-			return ret;
-		}
-
-		/// <inheritdoc />
-		public async Task<Episode> GetAbsolute(string showSlug, int absoluteNumber)
-		{
-			Episode ret = await _database.Episodes.FirstOrDefaultAsync(x => x.Show.Slug == showSlug 
-			                                                                && x.AbsoluteNumber == absoluteNumber);
-			if (ret != null)
-				ret.ShowSlug = showSlug;
-			return ret;
 		}
 
 		/// <inheritdoc />
 		public override async Task<ICollection<Episode>> Search(string query)
 		{
-			List<Episode> episodes = await _database.Episodes
+			return await _database.Episodes
-				.Where(x => x.EpisodeNumber != -1)
+				.Where(x => x.EpisodeNumber != null)
 				.Where(_database.Like<Episode>(x => x.Title, $"%{query}%"))
 				.OrderBy(DefaultSort)
 				.Take(20)
 				.ToListAsync();
-			foreach (Episode episode in episodes)
-				episode.ShowSlug = await _shows.GetSlug(episode.ShowID);
-			return episodes;
-		}
-		
-		/// <inheritdoc />
-		public override async Task<ICollection<Episode>> GetAll(Expression<Func<Episode, bool>> where = null, 
-			Sort<Episode> sort = default, 
-			Pagination limit = default)
-		{
-			ICollection<Episode> episodes = await base.GetAll(where, sort, limit);
-			foreach (Episode episode in episodes)
-				episode.ShowSlug = await _shows.GetSlug(episode.ShowID);
-			return episodes;
 		}
 		
 		/// <inheritdoc />
@@ -185,6 +114,9 @@ namespace Kyoo.Controllers
 			obj.ExternalIDs.ForEach(x => _database.Entry(x).State = EntityState.Added);
 			await _database.SaveChangesAsync($"Trying to insert a duplicated episode (slug {obj.Slug} already exists).");
 			return await ValidateTracks(obj);
+			// TODO check if this is needed
+			// obj.Slug = await _database.Entry(obj).Property(x => x.Slug).
+			// return obj;
 		}
 
 		/// <inheritdoc />
@@ -195,7 +127,7 @@ namespace Kyoo.Controllers
 			
 			if (changed.Tracks != null || resetOld)
 			{
-				await _tracks.DeleteRange(x => x.EpisodeID == resource.ID);
+				await _tracks.DeleteAll(x => x.EpisodeID == resource.ID);
 				resource.Tracks = changed.Tracks;
 				await ValidateTracks(resource);
 			}
@@ -213,18 +145,15 @@ namespace Kyoo.Controllers
 		/// Set track's index and ensure that every tracks is well-formed.
 		/// </summary>
 		/// <param name="resource">The resource to fix.</param>
-		/// <returns>The <see cref="resource"/> parameter is returnned.</returns>
+		/// <returns>The <see cref="resource"/> parameter is returned.</returns>
 		private async Task<Episode> ValidateTracks(Episode resource)
 		{
-			resource.Tracks = await resource.Tracks.MapAsync((x, i) =>
+			resource.Tracks = await TaskUtils.DefaultIfNull(resource.Tracks?.SelectAsync(x =>
 			{
 				x.Episode = resource;
-				x.TrackIndex = resource.Tracks.Take(i).Count(y => x.Language == y.Language 
+				x.EpisodeSlug = resource.Slug;
-				                                                  && x.IsForced == y.IsForced 
-				                                                  && x.Codec == y.Codec 
-				                                                  && x.Type == y.Type);
 				return _tracks.Create(x);
-			}).ToListAsync();
+			}).ToListAsync());
 			return resource;
 		}
 		
@@ -232,13 +161,12 @@ namespace Kyoo.Controllers
 		protected override async Task Validate(Episode resource)
 		{
 			await base.Validate(resource);
-			resource.ExternalIDs = await resource.ExternalIDs.SelectAsync(async x => 
+			await resource.ExternalIDs.ForEachAsync(async x => 
 			{ 
-				x.Provider = await _providers.CreateIfNotExists(x.Provider);
+				x.Second = await _providers.CreateIfNotExists(x.Second);
-				x.ProviderID = x.Provider.ID;
+				x.SecondID = x.Second.ID;
-				_database.Entry(x.Provider).State = EntityState.Detached;
+				_database.Entry(x.Second).State = EntityState.Detached;
-				return x;
+			});
-			}).ToListAsync();
 		}
 		
 		/// <inheritdoc />

Kyoo/Controllers/Repositories/LibraryItemRepository.cs

@@ -22,14 +22,6 @@ namespace Kyoo.Controllers
 		/// A lazy loaded library repository to validate queries (check if a library does exist)
 		/// </summary>
 		private readonly Lazy<ILibraryRepository> _libraries;
-		/// <summary>
-		/// A lazy loaded show repository to get a show from it's id.
-		/// </summary>
-		private readonly Lazy<IShowRepository> _shows;
-		/// <summary>
-		/// A lazy loaded collection repository to get a collection from it's id.
-		/// </summary>
-		private readonly Lazy<ICollectionRepository> _collections;
 
 		/// <inheritdoc />
 		protected override Expression<Func<LibraryItem, object>> DefaultSort => x => x.Title;
@@ -38,60 +30,41 @@ namespace Kyoo.Controllers
 		/// <summary>
 		/// Create a new <see cref="LibraryItemRepository"/>.
 		/// </summary>
-		/// <param name="database">The databse instance</param>
+		/// <param name="database">The database instance</param>
 		/// <param name="libraries">A lazy loaded library repository</param>
-		/// <param name="shows">A lazy loaded show repository</param>
-		/// <param name="collections">A lazy loaded collection repository</param>
 		public LibraryItemRepository(DatabaseContext database, 
-			Lazy<ILibraryRepository> libraries,
+			Lazy<ILibraryRepository> libraries)
-			Lazy<IShowRepository> shows,
-			Lazy<ICollectionRepository> collections)
 			: base(database)
 		{
 			_database = database;
 			_libraries = libraries;
-			_shows = shows;
-			_collections = collections;
 		}
 
 		
 		/// <inheritdoc />
-		public override async Task<LibraryItem> GetOrDefault(int id)
+		public override Task<LibraryItem> GetOrDefault(int id)
 		{
-			return id > 0 
+			return _database.LibraryItems.FirstOrDefaultAsync(x => x.ID == id);
-				? new LibraryItem(await _shows.Value.GetOrDefault(id)) 
-				: new LibraryItem(await _collections.Value.GetOrDefault(-id));
 		}
 		
 		/// <inheritdoc />
 		public override Task<LibraryItem> GetOrDefault(string slug)
 		{
-			throw new InvalidOperationException("You can't get a library item by a slug.");
+			return _database.LibraryItems.SingleOrDefaultAsync(x => x.Slug == slug);
 		}
 
-		/// <summary>
-		/// Get a basic queryable with the right mapping from shows & collections.
-		/// Shows contained in a collection are excluded.
-		/// </summary>
-		private IQueryable<LibraryItem> ItemsQuery
-			=> _database.Shows
-				.Where(x => !x.Collections.Any())
-				.Select(LibraryItem.FromShow)
-				.Concat(_database.Collections
-					.Select(LibraryItem.FromCollection));
-
 		/// <inheritdoc />
 		public override Task<ICollection<LibraryItem>> GetAll(Expression<Func<LibraryItem, bool>> where = null,
 			Sort<LibraryItem> sort = default,
 			Pagination limit = default)
 		{
-			return ApplyFilters(ItemsQuery, where, sort, limit);
+			return ApplyFilters(_database.LibraryItems, where, sort, limit);
 		}
 
 		/// <inheritdoc />
 		public override Task<int> GetCount(Expression<Func<LibraryItem, bool>> where = null)
 		{
-			IQueryable<LibraryItem> query = ItemsQuery;
+			IQueryable<LibraryItem> query = _database.LibraryItems;
 			if (where != null)
 				query = query.Where(where);
 			return query.CountAsync();
@@ -100,7 +73,7 @@ namespace Kyoo.Controllers
 		/// <inheritdoc />
 		public override async Task<ICollection<LibraryItem>> Search(string query)
 		{
-			return await ItemsQuery
+			return await _database.LibraryItems
 				.Where(_database.Like<LibraryItem>(x => x.Title, $"%{query}%"))
 				.OrderBy(DefaultSort)
 				.Take(20)
@@ -109,7 +82,6 @@ namespace Kyoo.Controllers
 
 		/// <inheritdoc />
 		public override Task<LibraryItem> Create(LibraryItem obj) => throw new InvalidOperationException();
-
 		/// <inheritdoc />
 		public override Task<LibraryItem> CreateIfNotExists(LibraryItem obj) => throw new InvalidOperationException();
 		/// <inheritdoc />

Kyoo/Controllers/Repositories/LibraryRepository.cs

@@ -63,9 +63,12 @@ namespace Kyoo.Controllers
 		protected override async Task Validate(Library resource)
 		{
 			await base.Validate(resource);
-			resource.Providers = await resource.Providers
+			await resource.ProviderLinks.ForEachAsync(async id =>
-				.SelectAsync(x => _providers.CreateIfNotExists(x))
+			{
-				.ToListAsync();
+				id.Second = await _providers.CreateIfNotExists(id.Second);
+				id.SecondID = id.Second.ID;
+				_database.Entry(id.Second).State = EntityState.Detached;
+			});
 		}
 
 		/// <inheritdoc />

Kyoo/Controllers/Repositories/PeopleRepository.cs

@@ -73,9 +73,9 @@ namespace Kyoo.Controllers
 			await base.Validate(resource);
 			await resource.ExternalIDs.ForEachAsync(async id =>
 			{
-				id.Provider = await _providers.CreateIfNotExists(id.Provider);
+				id.Second = await _providers.CreateIfNotExists(id.Second);
-				id.ProviderID = id.Provider.ID;
+				id.SecondID = id.Second.ID;
-				_database.Entry(id.Provider).State = EntityState.Detached;
+				_database.Entry(id.Second).State = EntityState.Detached;
 			});
 			await resource.Roles.ForEachAsync(async role =>
 			{

Kyoo/Controllers/Repositories/ProviderRepository.cs

@@ -58,18 +58,18 @@ namespace Kyoo.Controllers
 				throw new ArgumentNullException(nameof(obj));
 			
 			_database.Entry(obj).State = EntityState.Deleted;
-			obj.MetadataLinks.ForEach(x => _database.Entry(x).State = EntityState.Deleted);
 			await _database.SaveChangesAsync();
 		}
 
 		/// <inheritdoc />
-		public Task<ICollection<MetadataID>> GetMetadataID(Expression<Func<MetadataID, bool>> where = null,
+		public Task<ICollection<MetadataID<T>>> GetMetadataID<T>(Expression<Func<MetadataID<T>, bool>> where = null,
-			Sort<MetadataID> sort = default, 
+			Sort<MetadataID<T>> sort = default, 
 			Pagination limit = default)
+			where T : class, IResource
 		{
-			return ApplyFilters(_database.MetadataIds.Include(y => y.Provider),
+			return ApplyFilters(_database.MetadataIds<T>().Include(y => y.Second),
-				x => _database.MetadataIds.FirstOrDefaultAsync(y => y.ID == x),
+				x => _database.MetadataIds<T>().FirstOrDefaultAsync(y => y.FirstID == x),
-				x => x.ID,
+				x => x.FirstID,
 				where,
 				sort,
 				limit);

Kyoo/Controllers/Repositories/SeasonRepository.cs

@@ -2,7 +2,6 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
-using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Kyoo.Models;
 using Kyoo.Models.Exceptions;
@@ -23,64 +22,22 @@ namespace Kyoo.Controllers
 		/// A provider repository to handle externalID creation and deletion
 		/// </summary>
 		private readonly IProviderRepository _providers;
-		/// <summary>
-		/// A show repository to get show's slug from their ID and keep the slug in each episode.
-		/// </summary>
-		private readonly IShowRepository _shows;
-		/// <summary>
-		/// A lazilly loaded episode repository to handle deletion of episodes with the season.
-		/// </summary>
-		private readonly Lazy<IEpisodeRepository> _episodes;
 
 		/// <inheritdoc/>
 		protected override Expression<Func<Season, object>> DefaultSort => x => x.SeasonNumber;
 
 
 		/// <summary>
-		/// Create a new <see cref="SeasonRepository"/> using the provided handle, a provider & a show repository and
+		/// Create a new <see cref="SeasonRepository"/>.
-		/// a service provider to lazilly request an episode repository.
 		/// </summary>
 		/// <param name="database">The database handle that will be used</param>
 		/// <param name="providers">A provider repository</param>
-		/// <param name="shows">A show repository</param>
-		/// <param name="episodes">A lazy loaded episode repository.</param>
 		public SeasonRepository(DatabaseContext database,
-			IProviderRepository providers,
+			IProviderRepository providers)
-			IShowRepository shows,
-			Lazy<IEpisodeRepository> episodes)
 			: base(database)
 		{
 			_database = database;
 			_providers = providers;
-			_shows = shows;
-			_episodes = episodes;
-		}
-		
-
-		/// <inheritdoc/>
-		public override async Task<Season> Get(int id)
-		{
-			Season ret = await base.Get(id);
-			ret.ShowSlug = await _shows.GetSlug(ret.ShowID);
-			return ret;
-		}
-
-		/// <inheritdoc/>
-		public override async Task<Season> Get(Expression<Func<Season, bool>> where)
-		{
-			Season ret = await base.Get(where);
-			ret.ShowSlug = await _shows.GetSlug(ret.ShowID);
-			return ret;
-		}
-
-		/// <inheritdoc/>
-		public override Task<Season> Get(string slug)
-		{
-			Match match = Regex.Match(slug, @"(?<show>.*)-s(?<season>\d*)");
-			
-			if (!match.Success)
-				throw new ArgumentException("Invalid season slug. Format: {showSlug}-s{seasonNumber}");
-			return Get(match.Groups["show"].Value, int.Parse(match.Groups["season"].Value));
 		}
 
 		/// <inheritdoc/>
@@ -89,7 +46,6 @@ namespace Kyoo.Controllers
 			Season ret = await GetOrDefault(showID, seasonNumber);
 			if (ret == null)
 				throw new ItemNotFoundException($"No season {seasonNumber} found for the show {showID}");
-			ret.ShowSlug = await _shows.GetSlug(showID);
 			return ret;
 		}
 		
@@ -99,7 +55,6 @@ namespace Kyoo.Controllers
 			Season ret = await GetOrDefault(showSlug, seasonNumber);
 			if (ret == null)
 				throw new ItemNotFoundException($"No season {seasonNumber} found for the show {showSlug}");
-			ret.ShowSlug = showSlug;
 			return ret;
 		}
 
@@ -120,25 +75,11 @@ namespace Kyoo.Controllers
 		/// <inheritdoc/>
 		public override async Task<ICollection<Season>> Search(string query)
 		{
-			List<Season> seasons = await _database.Seasons
+			return await _database.Seasons
 				.Where(_database.Like<Season>(x => x.Title, $"%{query}%"))
 				.OrderBy(DefaultSort)
 				.Take(20)
 				.ToListAsync();
-			foreach (Season season in seasons)
-				season.ShowSlug = await _shows.GetSlug(season.ShowID);
-			return seasons;
-		}
-		
-		/// <inheritdoc/>
-		public override async Task<ICollection<Season>> GetAll(Expression<Func<Season, bool>> where = null,
-			Sort<Season> sort = default, 
-			Pagination limit = default)
-		{
-			ICollection<Season> seasons = await base.GetAll(where, sort, limit);
-			foreach (Season season in seasons)
-				season.ShowSlug = await _shows.GetSlug(season.ShowID);
-			return seasons;
 		}
 
 		/// <inheritdoc/>
@@ -160,9 +101,9 @@ namespace Kyoo.Controllers
 			await base.Validate(resource);
 			await resource.ExternalIDs.ForEachAsync(async id =>
 			{
-				id.Provider = await _providers.CreateIfNotExists(id.Provider);
+				id.Second = await _providers.CreateIfNotExists(id.Second);
-				id.ProviderID = id.Provider.ID;
+				id.SecondID = id.Second.ID;
-				_database.Entry(id.Provider).State = EntityState.Detached;
+				_database.Entry(id.Second).State = EntityState.Detached;
 			});
 		}
 
@@ -183,12 +124,8 @@ namespace Kyoo.Controllers
 			if (obj == null)
 				throw new ArgumentNullException(nameof(obj));
 
-			_database.Entry(obj).State = EntityState.Deleted;
+			_database.Remove(obj);
-			obj.ExternalIDs.ForEach(x => _database.Entry(x).State = EntityState.Deleted);
 			await _database.SaveChangesAsync();
-
-			if (obj.Episodes != null)
-				await _episodes.Value.DeleteRange(obj.Episodes);
 		}
 	}
 }

Kyoo/Controllers/Repositories/ShowRepository.cs

@@ -33,14 +33,6 @@ namespace Kyoo.Controllers
 		/// A provider repository to handle externalID creation and deletion
 		/// </summary>
 		private readonly IProviderRepository _providers;
-		/// <summary>
-		/// A lazy loaded season repository to handle cascade deletion (seasons deletion whith it's show) 
-		/// </summary>
-		private readonly Lazy<ISeasonRepository> _seasons;
-		/// <summary>
-		/// A lazy loaded episode repository to handle cascade deletion (episode deletion whith it's show) 
-		/// </summary>
-		private readonly Lazy<IEpisodeRepository> _episodes;
 
 		/// <inheritdoc />
 		protected override Expression<Func<Show, object>> DefaultSort => x => x.Title;
@@ -53,15 +45,11 @@ namespace Kyoo.Controllers
 		/// <param name="people">A people repository</param>
 		/// <param name="genres">A genres repository</param>
 		/// <param name="providers">A provider repository</param>
-		/// <param name="seasons">A lazy loaded season repository</param>
-		/// <param name="episodes">A lazy loaded episode repository</param>
 		public ShowRepository(DatabaseContext database,
 			IStudioRepository studios,
 			IPeopleRepository people, 
 			IGenreRepository genres, 
-			IProviderRepository providers,
+			IProviderRepository providers)
-			Lazy<ISeasonRepository> seasons,
-			Lazy<IEpisodeRepository> episodes)
 			: base(database)
 		{
 			_database = database;
@@ -69,8 +57,6 @@ namespace Kyoo.Controllers
 			_people = people;
 			_genres = genres;
 			_providers = providers;
-			_seasons = seasons;
-			_episodes = episodes;
 		}
 		
 
@@ -103,17 +89,21 @@ namespace Kyoo.Controllers
 			await base.Validate(resource);
 			if (resource.Studio != null)
 				resource.Studio = await _studios.CreateIfNotExists(resource.Studio);
-			resource.Genres = await resource.Genres
+
-				.SelectAsync(x => _genres.CreateIfNotExists(x))
-				.ToListAsync();
 			resource.GenreLinks = resource.Genres?
-				.Select(x => Link.UCreate(resource, x))
+				.Select(x => Link.Create(resource, x))
 				.ToList();
+			await resource.GenreLinks.ForEachAsync(async id =>
+			{
+				id.Second = await _genres.CreateIfNotExists(id.Second);
+				id.SecondID = id.Second.ID;
+				_database.Entry(id.Second).State = EntityState.Detached;
+			});
 			await resource.ExternalIDs.ForEachAsync(async id =>
 			{
-				id.Provider = await _providers.CreateIfNotExists(id.Provider);
+				id.Second = await _providers.CreateIfNotExists(id.Second);
-				id.ProviderID = id.Provider.ID;
+				id.SecondID = id.Second.ID;
-				_database.Entry(id.Provider).State = EntityState.Detached;
+				_database.Entry(id.Second).State = EntityState.Detached;
 			});
 			await resource.People.ForEachAsync(async role =>
 			{
@@ -131,10 +121,16 @@ namespace Kyoo.Controllers
 			if (changed.Aliases != null || resetOld)
 				resource.Aliases = changed.Aliases;
 
+			if (changed.Studio != null || resetOld)
+			{
+				await Database.Entry(resource).Reference(x => x.Studio).LoadAsync();
+				resource.Studio = changed.Studio;
+			}
+			
 			if (changed.Genres != null || resetOld)
 			{
-				await Database.Entry(resource).Collection(x => x.GenreLinks).LoadAsync();
+				await Database.Entry(resource).Collection(x => x.Genres).LoadAsync();
-				resource.GenreLinks = changed.Genres?.Select(x => Link.UCreate(resource, x)).ToList();
+				resource.Genres = changed.Genres;
 			}
 
 			if (changed.People != null || resetOld)
@@ -185,27 +181,8 @@ namespace Kyoo.Controllers
 		/// <inheritdoc />
 		public override async Task Delete(Show obj)
 		{
-			if (obj == null)
+			_database.Remove(obj);
-				throw new ArgumentNullException(nameof(obj));
-			
-			_database.Entry(obj).State = EntityState.Deleted;
-			
-			
-			if (obj.People != null)
-				foreach (PeopleRole entry in obj.People)
-					_database.Entry(entry).State = EntityState.Deleted;
-			
-			if (obj.ExternalIDs != null)
-				foreach (MetadataID entry in obj.ExternalIDs)
-					_database.Entry(entry).State = EntityState.Deleted;
-
 			await _database.SaveChangesAsync();
-			
-			if (obj.Seasons != null)
-				await _seasons.Value.DeleteRange(obj.Seasons);
-
-			if (obj.Episodes != null) 
-				await _episodes.Value.DeleteRange(obj.Episodes);
 		}
 	}
 }

Kyoo/Controllers/Repositories/TrackRepository.cs

@@ -1,11 +1,8 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Linq.Expressions;
-using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Kyoo.Models;
-using Kyoo.Models.Exceptions;
 using Microsoft.EntityFrameworkCore;
 
 namespace Kyoo.Controllers
@@ -16,7 +13,7 @@ namespace Kyoo.Controllers
 	public class TrackRepository : LocalRepository<Track>, ITrackRepository
 	{
 		/// <summary>
-		/// The databse handle
+		/// The database handle
 		/// </summary>
 		private readonly DatabaseContext _database;
 		
@@ -27,63 +24,13 @@ namespace Kyoo.Controllers
 		/// <summary>
 		/// Create a new <see cref="TrackRepository"/>.
 		/// </summary>
-		/// <param name="database">The datatabse handle</param>
+		/// <param name="database">The database handle</param>
 		public TrackRepository(DatabaseContext database) 
 			: base(database)
 		{
 			_database = database;
 		}
 
-
-		/// <inheritdoc />
-		Task<Track> IRepository<Track>.Get(string slug)
-		{
-			return Get(slug);
-		}
-
-		/// <inheritdoc />
-		public async Task<Track> Get(string slug, StreamType type = StreamType.Unknown)
-		{
-			Track ret = await GetOrDefault(slug, type);
-			if (ret == null)
-				throw new ItemNotFoundException($"No track found with the slug {slug} and the type {type}.");
-			return ret;
-		}
-		
-		/// <inheritdoc />
-		public Task<Track> GetOrDefault(string slug, StreamType type = StreamType.Unknown)
-		{
-			Match match = Regex.Match(slug,
-				@"(?<show>.*)-s(?<season>\d+)e(?<episode>\d+)(\.(?<type>\w*))?\.(?<language>.{0,3})(?<forced>-forced)?(\..*)?");
-
-			if (!match.Success)
-			{
-				if (int.TryParse(slug, out int id))
-					return GetOrDefault(id);
-				match = Regex.Match(slug, @"(?<show>.*)\.(?<language>.{0,3})(?<forced>-forced)?(\..*)?");
-				if (!match.Success)
-					throw new ArgumentException("Invalid track slug. " +
-					                            "Format: {episodeSlug}.{language}[-forced][.{extension}]");
-			}
-
-			string showSlug = match.Groups["show"].Value;
-			int seasonNumber = match.Groups["season"].Success ? int.Parse(match.Groups["season"].Value) : -1;
-			int episodeNumber = match.Groups["episode"].Success ? int.Parse(match.Groups["episode"].Value) : -1;
-			string language = match.Groups["language"].Value;
-			bool forced = match.Groups["forced"].Success;
-			if (match.Groups["type"].Success)
-				type = Enum.Parse<StreamType>(match.Groups["type"].Value, true);
-
-			IQueryable<Track> query = _database.Tracks.Where(x => x.Episode.Show.Slug == showSlug
-			                                                      && x.Episode.SeasonNumber == seasonNumber
-			                                                      && x.Episode.EpisodeNumber == episodeNumber
-			                                                      && x.Language == language
-			                                                      && x.IsForced == forced);
-			if (type != StreamType.Unknown)
-				return query.FirstOrDefaultAsync(x => x.Type == type);
-			return query.FirstOrDefaultAsync();
-		}
-
 		/// <inheritdoc />
 		public override Task<ICollection<Track>> Search(string query)
 		{
@@ -93,6 +40,9 @@ namespace Kyoo.Controllers
 		/// <inheritdoc />
 		public override async Task<Track> Create(Track obj)
 		{
+			if (obj == null)
+				throw new ArgumentNullException(nameof(obj));
+
 			if (obj.EpisodeID <= 0)
 			{
 				obj.EpisodeID = obj.Episode?.ID ?? 0;
@@ -102,14 +52,7 @@ namespace Kyoo.Controllers
 			
 			await base.Create(obj);
 			_database.Entry(obj).State = EntityState.Added;
-			// ReSharper disable once ParameterOnlyUsedForPreconditionCheck.Local
+			await _database.SaveChangesAsync();
-			await _database.SaveOrRetry(obj, (x, i) =>
-			{
-				if (i > 10)
-					throw new DuplicatedItemException($"More than 10 same tracks exists {x.Slug}. Aborting...");
-				x.TrackIndex++;
-				return x;
-			});
 			return obj;
 		}
 

Kyoo/Controllers/Transcoder.cs

@@ -57,7 +57,7 @@ namespace Kyoo.Controllers
 						Stream stream = Marshal.PtrToStructure<Stream>(streamsPtr);
 						if (stream!.Type != StreamType.Unknown)
 						{
-							tracks[j] = new Track(stream);
+							tracks[j] = stream.ToTrack();
 							j++;
 						}
 						streamsPtr += size;

Kyoo/Kyoo.csproj

@@ -35,9 +35,9 @@
 		<ProjectReference Include="../Kyoo.Common/Kyoo.Common.csproj" />
 		<ProjectReference Include="../Kyoo.CommonAPI/Kyoo.CommonAPI.csproj" />
 		<PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="5.2.7" />
-		<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.5" />
+		<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.8" />
-		<PackageReference Include="Microsoft.AspNetCore.SpaServices" Version="3.1.14" />
+		<PackageReference Include="Microsoft.AspNetCore.SpaServices" Version="3.1.17" />
-		<PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="5.0.5" />
+		<PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="5.0.8" />
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
 	</ItemGroup>
 	
@@ -46,6 +46,9 @@
 <!--			<ExcludeAssets>all</ExcludeAssets>-->
 		</ProjectReference>
 		<ProjectReference Include="../Kyoo.Authentication/Kyoo.Authentication.csproj">
+<!--			<ExcludeAssets>all</ExcludeAssets>-->
+		</ProjectReference>
+		<ProjectReference Include="../Kyoo.SqLite/Kyoo.SqLite.csproj">
 <!--			<ExcludeAssets>all</ExcludeAssets>-->
 		</ProjectReference>
 	</ItemGroup>

Kyoo/Models/Stream.cs

@@ -0,0 +1,67 @@
+using System.Runtime.InteropServices;
+using Kyoo.Models.Attributes;
+
+namespace Kyoo.Models.Watch
+{
+	/// <summary>
+	/// The unmanaged stream that the transcoder will return.
+	/// </summary>
+	[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+	public class Stream
+	{
+		/// <summary>
+		/// The title of the stream.
+		/// </summary>
+		public string Title { get; set; }
+		
+		/// <summary>
+		/// The language of this stream (as a ISO-639-2 language code)
+		/// </summary>
+		public string Language { get; set; }
+		
+		/// <summary>
+		/// The codec of this stream.
+		/// </summary>
+		public string Codec { get; set; }
+		
+		/// <summary>
+		/// Is this stream the default one of it's type?
+		/// </summary>
+		[MarshalAs(UnmanagedType.I1)] public bool IsDefault;
+
+		/// <summary>
+		/// Is this stream tagged as forced? 
+		/// </summary>
+		[MarshalAs(UnmanagedType.I1)] public bool IsForced;
+		
+		/// <summary>
+		/// The path of this track.
+		/// </summary>
+		[SerializeIgnore] public string Path { get; set; }
+		
+		/// <summary>
+		/// The type of this stream.
+		/// </summary>
+		[SerializeIgnore] public StreamType Type { get; set; }
+
+
+		/// <summary>
+		/// Create a track from this stream.
+		/// </summary>
+		/// <returns>A new track that represent this stream.</returns>
+		public Track ToTrack()
+		{
+			return new()
+			{
+				Title = Title,
+				Language = Language,
+				Codec = Codec,
+				IsDefault = IsDefault,
+				IsForced = IsForced,
+				Path = Path,
+				Type = Type,
+				IsExternal = false
+			};
+		}
+	}
+}

Kyoo/Startup.cs

@@ -47,6 +47,7 @@ namespace Kyoo
 			_plugins.LoadPlugins(new IPlugin[] {
 				new CoreModule(configuration), 
 				new PostgresModule(configuration, host),
+				// new SqLiteModule(configuration, host),
 				new AuthenticationModule(configuration, loggerFactory, host)
 			});
 		}

Kyoo/Tasks/Crawler.cs

@@ -210,18 +210,20 @@ namespace Kyoo.Tasks
 				string showPath = Path.GetDirectoryName(path);
 				string collectionName = match.Groups["Collection"].Value;
 				string showName = match.Groups["Show"].Value;
-				int seasonNumber = int.TryParse(match.Groups["Season"].Value, out int tmp) ? tmp : -1;
+				int? seasonNumber = int.TryParse(match.Groups["Season"].Value, out int tmp) ? tmp : null;
-				int episodeNumber = int.TryParse(match.Groups["Episode"].Value, out tmp) ? tmp : -1;
+				int? episodeNumber = int.TryParse(match.Groups["Episode"].Value, out tmp) ? tmp : null;
-				int absoluteNumber = int.TryParse(match.Groups["Absolute"].Value, out tmp) ? tmp : -1;
+				int? absoluteNumber = int.TryParse(match.Groups["Absolute"].Value, out tmp) ? tmp : null;
 
 				Collection collection = await GetCollection(libraryManager, collectionName, library);
-				bool isMovie = seasonNumber == -1 && episodeNumber == -1 && absoluteNumber == -1;
+				bool isMovie = seasonNumber == null && episodeNumber == null && absoluteNumber == null;
 				Show show = await GetShow(libraryManager, showName, showPath, isMovie, library);
 				if (isMovie)
 					await libraryManager!.Create(await GetMovie(show, path));
 				else
 				{
-					Season season = await GetSeason(libraryManager, show, seasonNumber, library);
+					Season season = seasonNumber != null 
+						? await GetSeason(libraryManager, show, seasonNumber.Value, library)
+						: null;
 					Episode episode = await GetEpisode(libraryManager,
 						show,
 						season,
@@ -292,14 +294,20 @@ namespace Kyoo.Tasks
 			catch (DuplicatedItemException)
 			{
 				old = await libraryManager.GetOrDefault<Show>(show.Slug);
-				if (old.Path == showPath)
+				if (old != null && old.Path == showPath)
 				{
 					await libraryManager.Load(old, x => x.ExternalIDs);
 					return old;
 				}
-				show.Slug += $"-{show.StartYear}";
+
+				if (show.StartAir != null)
+				{
+					show.Slug += $"-{show.StartAir.Value.Year}";
 					await libraryManager.Create(show);
 				}
+				else
+					throw;
+			}
 			await ThumbnailsManager.Validate(show);
 			return show;
 		}
@@ -309,8 +317,6 @@ namespace Kyoo.Tasks
 			int seasonNumber, 
 			Library library)
 		{
-			if (seasonNumber == -1)
-				return default;
 			try
 			{
 				Season season = await libraryManager.Get(show.Slug, seasonNumber);
@@ -337,21 +343,24 @@ namespace Kyoo.Tasks
 		private async Task<Episode> GetEpisode(ILibraryManager libraryManager, 
 			Show show, 
 			Season season,
-			int episodeNumber,
+			int? episodeNumber,
-			int absoluteNumber, 
+			int? absoluteNumber, 
 			string episodePath, 
 			Library library)
 		{
 			Episode episode = await MetadataProvider.GetEpisode(show,
 				episodePath, 
-				season?.SeasonNumber ?? -1, 
+				season?.SeasonNumber, 
 				episodeNumber,
 				absoluteNumber,
 				library);
 
-			season ??= await GetSeason(libraryManager, show, episode.SeasonNumber, library);
+			if (episode.SeasonNumber != null)
+			{
+				season ??= await GetSeason(libraryManager, show, episode.SeasonNumber.Value, library);
 				episode.Season = season;
 				episode.SeasonID = season?.ID;
+			}
 			await ThumbnailsManager.Validate(episode);
 			await GetTracks(episode);
 			return episode;

Kyoo/Views/ShowApi.cs

@@ -16,6 +16,8 @@ namespace Kyoo.Api
 {
 	[Route("api/show")]
 	[Route("api/shows")]
+	[Route("api/movie")]
+	[Route("api/movies")]
 	[ApiController]
 	[PartialPermission(nameof(ShowApi))]
 	public class ShowApi : CrudApi<Show>

Kyoo/Views/SubtitleApi.cs

@@ -1,5 +1,4 @@
-using System;
+using Kyoo.Models;
-using Kyoo.Models;
 using Microsoft.AspNetCore.Mvc;
 using System.Collections.Generic;
 using System.IO;
@@ -27,19 +26,9 @@ namespace Kyoo.Api
 		[Permission(nameof(SubtitleApi), Kind.Read)]
 		public async Task<IActionResult> GetSubtitle(string slug, string extension)
 		{
-			Track subtitle;
+			Track subtitle = await _libraryManager.GetOrDefault<Track>(Track.EditSlug(slug, StreamType.Subtitle));
-			try
+			if (subtitle == null)
-			{
-				subtitle = await _libraryManager.GetOrDefault(slug, StreamType.Subtitle);
-			}
-			catch (ArgumentException ex)
-			{
-				return BadRequest(new {error = ex.Message});
-			}
-
-			if (subtitle is not {Type: StreamType.Subtitle})
 				return NotFound();
-			
 			if (subtitle.Codec == "subrip" && extension == "vtt")
 				return new ConvertSubripToVtt(subtitle.Path, _files);
 			return _files.FileResult(subtitle.Path);

Kyoo/settings.json

@@ -10,6 +10,10 @@
   },
   
   "database": {
+    "sqlite": {
+      "data Source": "kyoo.db",
+      "cache": "Shared"
+    },
     "postgres": {
       "server": "127.0.0.1",
       "port": "5432",