Merge pull request #25 from AnonymusRaccoon/library

Adding documentation to database's features (LibraryManager/Repositories)

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,7 +3,7 @@
 Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request.
 If it fixes a bug or resolves a feature request, be sure to link to that issue.
 
-## Informations
+## Information
  - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
  - [ ] New public API added
  - [ ] Non-breaking changes

.github/workflows/analysis.yml

@@ -34,11 +34,18 @@ jobs:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
         shell: bash
         run: |
+          dotnet test \
+            '-p:CollectCoverage=true;CoverletOutputFormat=opencover' \
+            '-p:SkipTranscoder=true;SkipWebApp=true' || echo "Test failed. Skipping..."
+
+          dotnet build-server shutdown
+
           ./.sonar/scanner/dotnet-sonarscanner begin \
             -k:"AnonymusRaccoon_Kyoo" \
             -o:"anonymus-raccoon" \
             -d:sonar.login="${{ secrets.SONAR_TOKEN }}" \
-              -d:sonar.host.url="https://sonarcloud.io"
+            -d:sonar.host.url="https://sonarcloud.io" \
+            -d:sonar.cs.opencover.reportsPaths="**/coverage.opencover.xml" 
           
           dotnet build --no-incremental '-p:SkipTranscoder=true;SkipWebApp=true'
           

.github/workflows/build.yml

@@ -21,8 +21,8 @@ jobs:
             artifact: macos
     steps:
       - uses: actions/checkout@v1
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
+        with:
+          submodules: recursive
       - name: Setup .NET
         uses: actions/setup-dotnet@v1
         with:

Kyoo.Common/Controllers/ILibraryManager.cs

@@ -5,284 +5,532 @@ using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using JetBrains.Annotations;
 using Kyoo.Models;
+using Kyoo.Models.Exceptions;
 
 namespace Kyoo.Controllers
 {
-	public interface ILibraryManager : IDisposable, IAsyncDisposable
+	/// <summary>
+	/// An interface to interract with the database. Every repository is mapped through here. 
+	/// </summary>
+	public interface ILibraryManager
 	{
-		// Repositories
+		/// <summary>
+		/// Get the repository corresponding to the T item.
+		/// </summary>
+		/// <typeparam name="T">The type you want</typeparam>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The repository corresponding</returns>
+		IRepository<T> GetRepository<T>() where T : class, IResource;
+
+		/// <summary>
+		/// The repository that handle libraries.
+		/// </summary>
 		ILibraryRepository LibraryRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle libraries's items (a wrapper arround shows & collections).
+		/// </summary>
 		ILibraryItemRepository LibraryItemRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle collections.
+		/// </summary>
 		ICollectionRepository CollectionRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle shows.
+		/// </summary>
 		IShowRepository ShowRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle seasons.
+		/// </summary>
 		ISeasonRepository SeasonRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle episodes.
+		/// </summary>
 		IEpisodeRepository EpisodeRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle tracks.
+		/// </summary>
 		ITrackRepository TrackRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle people.
+		/// </summary>
 		IPeopleRepository PeopleRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle studios.
+		/// </summary>
 		IStudioRepository StudioRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle genres.
+		/// </summary>
 		IGenreRepository GenreRepository { get; }
+		
+		/// <summary>
+		/// The repository that handle providers.
+		/// </summary>
 		IProviderRepository ProviderRepository { get; }
 		
-		// Get by id
-		Task<Library> GetLibrary(int id);
-		Task<Collection> GetCollection(int id);
-		Task<Show> GetShow(int id);
-		Task<Season> GetSeason(int id);
-		Task<Season> GetSeason(int showID, int seasonNumber);
-		Task<Episode> GetEpisode(int id);
-		Task<Episode> GetEpisode(int showID, int seasonNumber, int episodeNumber);
-		Task<Genre> GetGenre(int id);
-		Task<Track> GetTrack(int id);
-		Task<Studio> GetStudio(int id);
-		Task<People> GetPeople(int id);
-		Task<ProviderID> GetProvider(int id);
+		/// <summary>
+		/// Get the resource by it's ID
+		/// </summary>
+		/// <param name="id">The id of the resource</param>
+		/// <typeparam name="T">The type of the resource</typeparam>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The resource found</returns>
+		Task<T> Get<T>(int id) where T : class, IResource;
 		
-		// Get by slug
-		Task<Library> GetLibrary(string slug);
-		Task<Collection> GetCollection(string slug);
-		Task<Show> GetShow(string slug);
-		Task<Season> GetSeason(string slug);
-		Task<Season> GetSeason(string showSlug, int seasonNumber);
-		Task<Episode> GetEpisode(string slug);
-		Task<Episode> GetEpisode(string showSlug, int seasonNumber, int episodeNumber);
-		Task<Episode> GetMovieEpisode(string movieSlug);
-		Task<Track> GetTrack(string slug, StreamType type = StreamType.Unknown);
-		Task<Genre> GetGenre(string slug);
-		Task<Studio> GetStudio(string slug);
-		Task<People> GetPeople(string slug);
-		Task<ProviderID> GetProvider(string slug);
+		/// <summary>
+		/// Get the resource by it's slug
+		/// </summary>
+		/// <param name="slug">The slug of the resource</param>
+		/// <typeparam name="T">The type of the resource</typeparam>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The resource found</returns>
+		Task<T> Get<T>(string slug) where T : class, IResource;
 		
-		// Get by predicate
-		Task<Library> GetLibrary(Expression<Func<Library, bool>> where);
-		Task<Collection> GetCollection(Expression<Func<Collection, bool>> where);
-		Task<Show> GetShow(Expression<Func<Show, bool>> where);
-		Task<Season> GetSeason(Expression<Func<Season, bool>> where);
-		Task<Episode> GetEpisode(Expression<Func<Episode, bool>> where);
-		Task<Track> GetTrack(Expression<Func<Track, bool>> where);
-		Task<Genre> GetGenre(Expression<Func<Genre, bool>> where);
-		Task<Studio> GetStudio(Expression<Func<Studio, bool>> where);
-		Task<People> GetPerson(Expression<Func<People, bool>> where);
+		/// <summary>
+		/// Get the resource by a filter function.
+		/// </summary>
+		/// <param name="where">The filter function.</param>
+		/// <typeparam name="T">The type of the resource</typeparam>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The first resource found that match the where function</returns>
+		Task<T> Get<T>(Expression<Func<T, bool>> where) where T : class, IResource;
 
+		/// <summary>
+		/// Get a season from it's showID and it's seasonNumber
+		/// </summary>
+		/// <param name="showID">The id of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The season found</returns>
+		Task<Season> Get(int showID, int seasonNumber);
+		
+		/// <summary>
+		/// Get a season from it's show slug and it's seasonNumber
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The season found</returns>
+		Task<Season> Get(string showSlug, int seasonNumber);
+		
+		/// <summary>
+		/// Get a episode from it's showID, it's seasonNumber and it's episode number.
+		/// </summary>
+		/// <param name="showID">The id of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <param name="episodeNumber">The episode's number</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The episode found</returns>
+		Task<Episode> Get(int showID, int seasonNumber, int episodeNumber);
+		
+		/// <summary>
+		/// Get a episode from it's show slug, it's seasonNumber and it's episode number.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <param name="episodeNumber">The episode's number</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The episode found</returns>
+		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="ItemNotFound">If the item is not found</exception>
+		/// <returns>The tracl found</returns>
+		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>
+		/// <param name="id">The id of the resource</param>
+		/// <typeparam name="T">The type of the resource</typeparam>
+		/// <returns>The resource found</returns>
+		Task<T> GetOrDefault<T>(int id) where T : class, IResource;
+		
+		/// <summary>
+		/// Get the resource by it's slug or null if it is not found.
+		/// </summary>
+		/// <param name="slug">The slug of the resource</param>
+		/// <typeparam name="T">The type of the resource</typeparam>
+		/// <returns>The resource found</returns>
+		Task<T> GetOrDefault<T>(string slug) where T : class, IResource;
+		
+		/// <summary>
+		/// Get the resource by a filter function or null if it is not found.
+		/// </summary>
+		/// <param name="where">The filter function.</param>
+		/// <typeparam name="T">The type of the resource</typeparam>
+		/// <returns>The first resource found that match the where function</returns>
+		Task<T> GetOrDefault<T>(Expression<Func<T, bool>> where) where T : class, IResource;
+
+		/// <summary>
+		/// Get a season from it's showID and it's seasonNumber or null if it is not found.
+		/// </summary>
+		/// <param name="showID">The id of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <returns>The season found</returns>
+		Task<Season> GetOrDefault(int showID, int seasonNumber);
+		
+		/// <summary>
+		/// Get a season from it's show slug and it's seasonNumber or null if it is not found.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <returns>The season found</returns>
+		Task<Season> GetOrDefault(string showSlug, int seasonNumber);
+		
+		/// <summary>
+		/// Get a episode from it's showID, it's seasonNumber and it's episode number or null if it is not found.
+		/// </summary>
+		/// <param name="showID">The id of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <param name="episodeNumber">The episode's number</param>
+		/// <returns>The episode found</returns>
+		Task<Episode> GetOrDefault(int showID, int seasonNumber, int episodeNumber);
+		
+		/// <summary>
+		/// Get a episode from it's show slug, it's seasonNumber and it's episode number or null if it is not found.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <param name="episodeNumber">The episode's number</param>
+		/// <returns>The episode found</returns>
+		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 tracl found</returns>
+		Task<Track> GetOrDefault(string slug, StreamType type = StreamType.Unknown);
+		
+
+		/// <summary>
+		/// Load a related resource
+		/// </summary>
+		/// <param name="obj">The source object.</param>
+		/// <param name="member">A getter function for the member to load</param>
+		/// <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>
 		Task<T> Load<T, T2>([NotNull] T obj, Expression<Func<T, T2>> member)
 			where T : class, IResource
 			where T2 : class, IResource, new();
 
+		/// <summary>
+		/// Load a collection of related resource
+		/// </summary>
+		/// <param name="obj">The source object.</param>
+		/// <param name="member">A getter function for the member to load</param>
+		/// <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>
 		Task<T> Load<T, T2>([NotNull] T obj, Expression<Func<T, ICollection<T2>>> member)
 			where T : class, IResource
 			where T2 : class, new();
 
+		/// <summary>
+		/// Load a related resource by it's name
+		/// </summary>
+		/// <param name="obj">The source object.</param>
+		/// <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>
 		Task<T> Load<T>([NotNull] T obj, string memberName)
 			where T : class, IResource;
 
+		/// <summary>
+		/// Load a related resource without specifing it's type.
+		/// </summary>
+		/// <param name="obj">The source object.</param>
+		/// <param name="memberName">The name of the resource to load (case sensitive)</param>
 		Task Load([NotNull] IResource obj, string memberName);
 		
-		// Library Items relations
+		/// <summary>
+		/// Get items (A wrapper arround shows or collections) from a library.
+		/// </summary>
+		/// <param name="id">The ID of the library</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<LibraryItem>> GetItemsFromLibrary(int id,
 			Expression<Func<LibraryItem, bool>> where = null,
 			Sort<LibraryItem> sort = default,
 			Pagination limit = default);
+		
+		/// <summary>
+		/// Get items (A wrapper arround shows or collections) from a library.
+		/// </summary>
+		/// <param name="id">The ID of the library</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<LibraryItem>> GetItemsFromLibrary(int id,
 			[Optional] Expression<Func<LibraryItem, bool>> where,
 			Expression<Func<LibraryItem, object>> sort,
 			Pagination limit = default
 		) => GetItemsFromLibrary(id, where, new Sort<LibraryItem>(sort), limit);
 		
-		Task<ICollection<LibraryItem>> GetItemsFromLibrary(string librarySlug,
+		/// <summary>
+		/// Get items (A wrapper arround shows or collections) from a library.
+		/// </summary>
+		/// <param name="slug">The slug of the library</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<LibraryItem>> GetItemsFromLibrary(string slug,
 			Expression<Func<LibraryItem, bool>> where = null,
 			Sort<LibraryItem> sort = default,
 			Pagination limit = default);
-		Task<ICollection<LibraryItem>> GetItemsFromLibrary(string librarySlug,
+		
+		/// <summary>
+		/// Get items (A wrapper arround shows or collections) from a library.
+		/// </summary>
+		/// <param name="slug">The slug of the library</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<LibraryItem>> GetItemsFromLibrary(string slug,
 			[Optional] Expression<Func<LibraryItem, bool>> where,
 			Expression<Func<LibraryItem, object>> sort,
 			Pagination limit = default
-		) => GetItemsFromLibrary(librarySlug, where, new Sort<LibraryItem>(sort), limit);
+		) => GetItemsFromLibrary(slug, where, new Sort<LibraryItem>(sort), limit);
 		
-		// People Role relations
+		
+		/// <summary>
+		/// Get people's roles from a show.
+		/// </summary>
+		/// <param name="showID">The ID of the show</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<PeopleRole>> GetPeopleFromShow(int showID,
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default,
 			Pagination limit = default);
+		
+		/// <summary>
+		/// Get people's roles from a show.
+		/// </summary>
+		/// <param name="showID">The ID of the show</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<PeopleRole>> GetPeopleFromShow(int showID,
 			[Optional] Expression<Func<PeopleRole, bool>> where,
 			Expression<Func<PeopleRole, object>> sort,
 			Pagination limit = default
 		) => GetPeopleFromShow(showID, where, new Sort<PeopleRole>(sort), limit);
 		
+		/// <summary>
+		/// Get people's roles from a show.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<PeopleRole>> GetPeopleFromShow(string showSlug,
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default,
 			Pagination limit = default);
+		
+		/// <summary>
+		/// Get people's roles from a show.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<PeopleRole>> GetPeopleFromShow(string showSlug,
 			[Optional] Expression<Func<PeopleRole, bool>> where,
 			Expression<Func<PeopleRole, object>> sort,
 			Pagination limit = default
 		) => GetPeopleFromShow(showSlug, where, new Sort<PeopleRole>(sort), limit);
 		
-		// Show Role relations
-		Task<ICollection<PeopleRole>> GetRolesFromPeople(int showID,
+		
+		/// <summary>
+		/// Get people's roles from a person.
+		/// </summary>
+		/// <param name="id">The id of the person</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<PeopleRole>> GetRolesFromPeople(int id,
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default,
 			Pagination limit = default);
-		Task<ICollection<PeopleRole>> GetRolesFromPeople(int showID,
+		
+		/// <summary>
+		/// Get people's roles from a person.
+		/// </summary>
+		/// <param name="id">The id of the person</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<PeopleRole>> GetRolesFromPeople(int id,
 			[Optional] Expression<Func<PeopleRole, bool>> where,
 			Expression<Func<PeopleRole, object>> sort,
 			Pagination limit = default
-		) => GetRolesFromPeople(showID, where, new Sort<PeopleRole>(sort), limit);
+		) => GetRolesFromPeople(id, where, new Sort<PeopleRole>(sort), limit);
 		
-		Task<ICollection<PeopleRole>> GetRolesFromPeople(string showSlug,
+		/// <summary>
+		/// Get people's roles from a person.
+		/// </summary>
+		/// <param name="slug">The slug of the person</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<PeopleRole>> GetRolesFromPeople(string slug,
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default,
 			Pagination limit = default);
-		Task<ICollection<PeopleRole>> GetRolesFromPeople(string showSlug,
+		
+		/// <summary>
+		/// Get people's roles from a person.
+		/// </summary>
+		/// <param name="slug">The slug of the person</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<PeopleRole>> GetRolesFromPeople(string slug,
 			[Optional] Expression<Func<PeopleRole, bool>> where,
 			Expression<Func<PeopleRole, object>> sort,
 			Pagination limit = default
-		) => GetRolesFromPeople(showSlug, where, new Sort<PeopleRole>(sort), limit);
+		) => GetRolesFromPeople(slug, where, new Sort<PeopleRole>(sort), limit);
 
-		// Helpers
+		
+		/// <summary>
+		/// Setup relations between a show, a library and a collection
+		/// </summary>
+		/// <param name="showID">The show's ID to setup relations with</param>
+		/// <param name="libraryID">The library's ID to setup relations with (optional)</param>
+		/// <param name="collectionID">The collection's ID to setup relations with (optional)</param>
 		Task AddShowLink(int showID, int? libraryID, int? collectionID);
+		
+		/// <summary>
+		/// Setup relations between a show, a library and a collection
+		/// </summary>
+		/// <param name="show">The show to setup relations with</param>
+		/// <param name="library">The library to setup relations with (optional)</param>
+		/// <param name="collection">The collection to setup relations with (optional)</param>
 		Task AddShowLink([NotNull] Show show, Library library, Collection collection);
 
-		// Get all
-		Task<ICollection<Library>> GetLibraries(Expression<Func<Library, bool>> where = null, 
-			Sort<Library> sort = default,
-			Pagination limit = default);
-		Task<ICollection<Collection>> GetCollections(Expression<Func<Collection, bool>> where = null, 
-			Sort<Collection> sort = default,
-			Pagination limit = default);
-		Task<ICollection<Show>> GetShows(Expression<Func<Show, bool>> where = null, 
-			Sort<Show> sort = default,
-			Pagination limit = default);
-		Task<ICollection<Season>> GetSeasons(Expression<Func<Season, bool>> where = null, 
-			Sort<Season> sort = default,
-			Pagination limit = default);
-		Task<ICollection<Episode>> GetEpisodes(Expression<Func<Episode, bool>> where = null, 
-			Sort<Episode> sort = default,
-			Pagination limit = default);
-		Task<ICollection<Track>> GetTracks(Expression<Func<Track, bool>> where = null, 
-			Sort<Track> sort = default,
-			Pagination limit = default);
-		Task<ICollection<Studio>> GetStudios(Expression<Func<Studio, bool>> where = null, 
-			Sort<Studio> sort = default,
-			Pagination limit = default);
-		Task<ICollection<People>> GetPeople(Expression<Func<People, bool>> where = null, 
-			Sort<People> sort = default,
-			Pagination limit = default);
-		Task<ICollection<Genre>> GetGenres(Expression<Func<Genre, bool>> where = null, 
-			Sort<Genre> sort = default,
-			Pagination limit = default);
-		Task<ICollection<ProviderID>> GetProviders(Expression<Func<ProviderID, bool>> where = null, 
-			Sort<ProviderID> sort = default,
-			Pagination limit = default);
+		/// <summary>
+		/// Get all resources with filters
+		/// </summary>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <typeparam name="T">The type of resources to load</typeparam>
+		/// <returns>A list of resources that match every filters</returns>
+		Task<ICollection<T>> GetAll<T>(Expression<Func<T, bool>> where = null,
+			Sort<T> sort = default,
+			Pagination limit = default) where T : class, IResource;
 		
-		Task<ICollection<Library>> GetLibraries([Optional] Expression<Func<Library, bool>> where,
-			Expression<Func<Library, object>> sort,
-			Pagination limit = default
-		) => GetLibraries(where, new Sort<Library>(sort), limit);
-		Task<ICollection<Collection>> GetCollections([Optional] Expression<Func<Collection, bool>> where,
-			Expression<Func<Collection, object>> sort,
-			Pagination limit = default
-		) => GetCollections(where, new Sort<Collection>(sort), limit);
-		Task<ICollection<Show>> GetShows([Optional] Expression<Func<Show, bool>> where,
-			Expression<Func<Show, object>> sort,
-			Pagination limit = default
-		) => GetShows(where, new Sort<Show>(sort), limit);
-		Task<ICollection<Track>> GetTracks([Optional] Expression<Func<Track, bool>> where,
-			Expression<Func<Track, object>> sort,
-			Pagination limit = default
-		) => GetTracks(where, new Sort<Track>(sort), limit);
-		Task<ICollection<Studio>> GetStudios([Optional] Expression<Func<Studio, bool>> where,
-			Expression<Func<Studio, object>> sort,
-			Pagination limit = default
-		) => GetStudios(where, new Sort<Studio>(sort), limit);
-		Task<ICollection<People>> GetPeople([Optional] Expression<Func<People, bool>> where,
-			Expression<Func<People, object>> sort,
-			Pagination limit = default
-		) => GetPeople(where, new Sort<People>(sort), limit);
-		Task<ICollection<Genre>> GetGenres([Optional] Expression<Func<Genre, bool>> where,
-			Expression<Func<Genre, object>> sort,
-			Pagination limit = default
-		) => GetGenres(where, new Sort<Genre>(sort), limit);
-		Task<ICollection<ProviderID>> GetProviders([Optional] Expression<Func<ProviderID, bool>> where,
-			Expression<Func<ProviderID, object>> sort,
-			Pagination limit = default
-		) => GetProviders(where, new Sort<ProviderID>(sort), limit);
+		/// <summary>
+		/// Get all resources with filters
+		/// </summary>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by function</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <typeparam name="T">The type of resources to load</typeparam>
+		/// <returns>A list of resources that match every filters</returns>
+		Task<ICollection<T>> GetAll<T>([Optional] Expression<Func<T, bool>> where,
+			Expression<Func<T, object>> sort,
+			Pagination limit = default) where T : class, IResource
+		{
+			return GetAll(where, new Sort<T>(sort), limit);
+		}
 
+		/// <summary>
+		/// Get the count of resources that match the filter
+		/// </summary>
+		/// <param name="where">A filter function</param>
+		/// <typeparam name="T">The type of resources to load</typeparam>
+		/// <returns>A list of resources that match every filters</returns>
+		Task<int> GetCount<T>(Expression<Func<T, bool>> where = null) where T : class, IResource;
 
-		// Counts
-		Task<int> GetLibrariesCount(Expression<Func<Library, bool>> where = null);
-		Task<int> GetCollectionsCount(Expression<Func<Collection, bool>> where = null);
-		Task<int> GetShowsCount(Expression<Func<Show, bool>> where = null);
-		Task<int> GetSeasonsCount(Expression<Func<Season, bool>> where = null);
-		Task<int> GetEpisodesCount(Expression<Func<Episode, bool>> where = null);
-		Task<int> GetTracksCount(Expression<Func<Track, bool>> where = null);
-		Task<int> GetGenresCount(Expression<Func<Genre, bool>> where = null);
-		Task<int> GetStudiosCount(Expression<Func<Studio, bool>> where = null);
-		Task<int> GetPeopleCount(Expression<Func<People, bool>> where = null);
+		/// <summary>
+		/// Search for a resource
+		/// </summary>
+		/// <param name="query">The search query</param>
+		/// <typeparam name="T">The type of resources</typeparam>
+		/// <returns>A list of 20 items that match the search query</returns>
+		Task<ICollection<T>> Search<T>(string query) where T : class, IResource;
 
-		// Search
-		Task<ICollection<Library>> SearchLibraries(string searchQuery);
-		Task<ICollection<Collection>> SearchCollections(string searchQuery);
-		Task<ICollection<Show>> SearchShows(string searchQuery);
-		Task<ICollection<Season>> SearchSeasons(string searchQuery);
-		Task<ICollection<Episode>> SearchEpisodes(string searchQuery);
-		Task<ICollection<Genre>> SearchGenres(string searchQuery);
-		Task<ICollection<Studio>> SearchStudios(string searchQuery);
-		Task<ICollection<People>> SearchPeople(string searchQuery);
+		/// <summary>
+		/// Create a new resource.
+		/// </summary>
+		/// <param name="item">The item to register</param>
+		/// <typeparam name="T">The type of resource</typeparam>
+		/// <returns>The resource registers and completed by database's informations (related items & so on)</returns>
+		Task<T> Create<T>([NotNull] T item) where T : class, IResource;
 		
-		//Register values
-		Task<Library> RegisterLibrary(Library library);
-		Task<Collection> RegisterCollection(Collection collection);
-		Task<Show> RegisterShow(Show show);
-		Task<Season> RegisterSeason(Season season);
-		Task<Episode> RegisterEpisode(Episode episode);
-		Task<Track> RegisterTrack(Track track);
-		Task<Genre> RegisterGenre(Genre genre);
-		Task<Studio> RegisterStudio(Studio studio);
-		Task<People> RegisterPeople(People people);
+		/// <summary>
+		/// Create a new resource if it does not exist already. If it does, the existing value is returned instead.
+		/// </summary>
+		/// <param name="item">The item to register</param>
+		/// <typeparam name="T">The type of resource</typeparam>
+		/// <returns>The newly created item or the existing value if it existed.</returns>
+		Task<T> CreateIfNotExists<T>([NotNull] T item) where T : class, IResource;
 		
-		// Edit values
-		Task<Library> EditLibrary(Library library, bool resetOld);
-		Task<Collection> EditCollection(Collection collection, bool resetOld);
-		Task<Show> EditShow(Show show, bool resetOld);
-		Task<Season> EditSeason(Season season, bool resetOld);
-		Task<Episode> EditEpisode(Episode episode, bool resetOld);
-		Task<Track> EditTrack(Track track, bool resetOld);
-		Task<Genre> EditGenre(Genre genre, bool resetOld);
-		Task<Studio> EditStudio(Studio studio, bool resetOld);
-		Task<People> EditPeople(People people, bool resetOld);
+		/// <summary>
+		/// Edit a resource
+		/// </summary>
+		/// <param name="item">The resourcce to edit, it's ID can't change.</param>
+		/// <param name="resetOld">Should old properties of the resource be discarded or should null values considered as not changed?</param>
+		/// <typeparam name="T">The type of resources</typeparam>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The resource edited and completed by database's informations (related items & so on)</returns>
+		Task<T> Edit<T>(T item, bool resetOld) where T : class, IResource;
 
-		// Delete values
-		Task DeleteLibrary(Library library);
-		Task DeleteCollection(Collection collection);
-		Task DeleteShow(Show show);
-		Task DeleteSeason(Season season);
-		Task DeleteEpisode(Episode episode);
-		Task DeleteTrack(Track track);
-		Task DeleteGenre(Genre genre);
-		Task DeleteStudio(Studio studio);
-		Task DeletePeople(People people);
+		/// <summary>
+		/// Delete a resource.
+		/// </summary>
+		/// <param name="item">The resource to delete</param>
+		/// <typeparam name="T">The type of resource to delete</typeparam>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		Task Delete<T>(T item) where T : class, IResource;
 		
-		//Delete by slug
-		Task DeleteLibrary(string slug);
-		Task DeleteCollection(string slug);
-		Task DeleteShow(string slug);
-		Task DeleteSeason(string slug);
-		Task DeleteEpisode(string slug);
-		Task DeleteTrack(string slug);
-		Task DeleteGenre(string slug);
-		Task DeleteStudio(string slug);
-		Task DeletePeople(string slug);
+		/// <summary>
+		/// Delete a resource by it's ID.
+		/// </summary>
+		/// <param name="id">The id of the resource to delete</param>
+		/// <typeparam name="T">The type of resource to delete</typeparam>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		Task Delete<T>(int id) where T : class, IResource;
 		
-		//Delete by id
-		Task DeleteLibrary(int id);
-		Task DeleteCollection(int id);
-		Task DeleteShow(int id);
-		Task DeleteSeason(int id);
-		Task DeleteEpisode(int id);
-		Task DeleteTrack(int id);
-		Task DeleteGenre(int id);
-		Task DeleteStudio(int id);
-		Task DeletePeople(int id);
+		/// <summary>
+		/// Delete a resource by it's slug.
+		/// </summary>
+		/// <param name="slug">The slug of the resource to delete</param>
+		/// <typeparam name="T">The type of resource to delete</typeparam>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		Task Delete<T>(string slug) where T : class, IResource;
 	}
 }

Kyoo.Common/Controllers/IMetadataProvider.cs

@@ -6,7 +6,7 @@ namespace Kyoo.Controllers
 {
 	public interface IMetadataProvider
 	{
-		ProviderID Provider { get; }
+		Provider Provider { get; }
 
 		Task<Collection> GetCollectionFromName(string name);
 

Kyoo.Common/Controllers/IRepository.cs

@@ -6,28 +6,64 @@ using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using JetBrains.Annotations;
 using Kyoo.Models;
+using Kyoo.Models.Exceptions;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// Informations about the pagination. How many items should be displayed and where to start.
+	/// </summary>
 	public readonly struct Pagination
 	{
+		/// <summary>
+		/// The count of items to return.
+		/// </summary>
 		public int Count { get; }
+		/// <summary>
+		/// Where to start? Using the given sort
+		/// </summary>
 		public int AfterID { get; }
 
+		/// <summary>
+		/// Create a new <see cref="Pagination"/> instance.
+		/// </summary>
+		/// <param name="count">Set the <see cref="Count"/> value</param>
+		/// <param name="afterID">Set the <see cref="AfterID"/> value. If not specified, it will start from the start</param>
 		public Pagination(int count, int afterID = 0)
 		{
 			Count = count;
 			AfterID = afterID;
 		}
 		
+		/// <summary>
+		/// Implicitly create a new pagination from a limit number.
+		/// </summary>
+		/// <param name="limit">Set the <see cref="Count"/> value</param>
+		/// <returns>A new <see cref="Pagination"/> instance</returns>
 		public static implicit operator Pagination(int limit) => new(limit);
 	}
 
-	public struct Sort<T>
+	/// <summary>
+	/// Informations about how a query should be sorted. What factor should decide the sort and in which order.
+	/// </summary>
+	/// <typeparam name="T">For witch type this sort applies</typeparam>
+	public readonly struct Sort<T>
 	{
-		public Expression<Func<T, object>> Key;
-		public bool Descendant;
+		/// <summary>
+		/// The sort key. This member will be used to sort the results.
+		/// </summary>
+		public Expression<Func<T, object>> Key { get; }
+		/// <summary>
+		/// If this is set to true, items will be sorted in descend order else, they will be sorted in ascendent order.
+		/// </summary>
+		public bool Descendant { get; }
 		
+		/// <summary>
+		/// Create a new <see cref="Sort{T}"/> instance.
+		/// </summary>
+		/// <param name="key">The sort key given. It is assigned to <see cref="Key"/>.</param>
+		/// <param name="descendant">Should this be in descendant order? The default is false.</param>
+		/// <exception cref="ArgumentException">If the given key is not a member.</exception>
 		public Sort(Expression<Func<T, object>> key, bool descendant = false)
 		{
 			Key = key;
@@ -37,6 +73,11 @@ namespace Kyoo.Controllers
 				throw new ArgumentException("The given sort key is not valid.");
 		}
 
+		/// <summary>
+		/// Create a new <see cref="Sort{T}"/> instance from a key's name (case insensitive).
+		/// </summary>
+		/// <param name="sortBy">A key name with an optional order specifier. Format: "key:asc", "key:desc" or "key".</param>
+		/// <exception cref="ArgumentException">An invalid key or sort specifier as been given.</exception>
 		public Sort(string sortBy)
 		{
 			if (string.IsNullOrEmpty(sortBy))
@@ -46,8 +87,8 @@ namespace Kyoo.Controllers
 				return;
 			}
 			
-			string key = sortBy.Contains(':') ? sortBy.Substring(0, sortBy.IndexOf(':')) : sortBy;
-			string order = sortBy.Contains(':') ? sortBy.Substring(sortBy.IndexOf(':') + 1) : null;
+			string key = sortBy.Contains(':') ? sortBy[..sortBy.IndexOf(':')] : sortBy;
+			string order = sortBy.Contains(':') ? sortBy[(sortBy.IndexOf(':') + 1)..] : null;
 
 			ParameterExpression param = Expression.Parameter(typeof(T), "x");
 			MemberExpression property = Expression.Property(param, key);
@@ -65,151 +106,544 @@ namespace Kyoo.Controllers
 		}
 	}
 
-	public interface IRepository<T> : IDisposable, IAsyncDisposable where T : class, IResource
+	/// <summary>
+	/// A base class for repositories. Every service implementing this will be handled by the <see cref="LibraryManager"/>.
+	/// </summary>
+	public interface IBaseRepository
 	{
+		/// <summary>
+		/// The type for witch this repository is responsible or null if non applicable.
+		/// </summary>
+		Type RepositoryType { get; }
+	}
+	
+	/// <summary>
+	/// A common repository for every resources.
+	/// </summary>
+	/// <typeparam name="T">The resource's type that this repository manage.</typeparam>
+	public interface IRepository<T> : IBaseRepository where T : class, IResource
+	{
+		/// <summary>
+		/// Get a resource from it's ID.
+		/// </summary>
+		/// <param name="id">The id of the resource</param>
+		/// <exception cref="ItemNotFound">If the item could not be found.</exception>
+		/// <returns>The resource found</returns>
 		Task<T> Get(int id);
+		/// <summary>
+		/// Get a resource from it's slug.
+		/// </summary>
+		/// <param name="slug">The slug of the resource</param>
+		/// <exception cref="ItemNotFound">If the item could not be found.</exception>
+		/// <returns>The resource found</returns>
 		Task<T> Get(string slug);
+		/// <summary>
+		/// Get the first resource that match the predicate.
+		/// </summary>
+		/// <param name="where">A predicate to filter the resource.</param>
+		/// <exception cref="ItemNotFound">If the item could not be found.</exception>
+		/// <returns>The resource found</returns>
 		Task<T> Get(Expression<Func<T, bool>> where);
+		
+		/// <summary>
+		/// Get a resource from it's ID or null if it is not found.
+		/// </summary>
+		/// <param name="id">The id of the resource</param>
+		/// <returns>The resource found</returns>
+		Task<T> GetOrDefault(int id);
+		/// <summary>
+		/// Get a resource from it's slug or null if it is not found.
+		/// </summary>
+		/// <param name="slug">The slug of the resource</param>
+		/// <returns>The resource found</returns>
+		Task<T> GetOrDefault(string slug);
+		/// <summary>
+		/// Get the first resource that match the predicate or null if it is not found.
+		/// </summary>
+		/// <param name="where">A predicate to filter the resource.</param>
+		/// <returns>The resource found</returns>
+		Task<T> GetOrDefault(Expression<Func<T, bool>> where);
+		
+		/// <summary>
+		/// Search for resources.
+		/// </summary>
+		/// <param name="query">The query string.</param>
+		/// <returns>A list of resources found</returns>
 		Task<ICollection<T>> Search(string query);
 		
+		/// <summary>
+		/// Get every resources that match all filters
+		/// </summary>
+		/// <param name="where">A filter predicate</param>
+		/// <param name="sort">Sort informations about the query (sort by, sort order)</param>
+		/// <param name="limit">How pagination should be done (where to start and how many to return)</param>
+		/// <returns>A list of resources that match every filters</returns>
 		Task<ICollection<T>> GetAll(Expression<Func<T, bool>> where = null, 
 			Sort<T> sort = default,
 			Pagination limit = default);
-
+		/// <summary>
+		/// Get every resources that match all filters
+		/// </summary>
+		/// <param name="where">A filter predicate</param>
+		/// <param name="sort">A sort by predicate. The order is ascending.</param>
+		/// <param name="limit">How pagination should be done (where to start and how many to return)</param>
+		/// <returns>A list of resources that match every filters</returns>
 		Task<ICollection<T>> GetAll([Optional] Expression<Func<T, bool>> where,
 			Expression<Func<T, object>> sort,
 			Pagination limit = default
 		) => GetAll(where, new Sort<T>(sort), limit);
 
+		/// <summary>
+		/// Get the number of resources that match the filter's predicate.
+		/// </summary>
+		/// <param name="where">A filter predicate</param>
+		/// <returns>How many resources matched that filter</returns>
 		Task<int> GetCount(Expression<Func<T, bool>> where = null);
 		
 		
+		/// <summary>
+		/// Create a new resource.
+		/// </summary>
+		/// <param name="obj">The item to register</param>
+		/// <returns>The resource registers and completed by database's informations (related items & so on)</returns>
 		Task<T> Create([NotNull] T obj);
+		
+		/// <summary>
+		/// Create a new resource if it does not exist already. If it does, the existing value is returned instead.
+		/// </summary>
+		/// <param name="obj">The object to create</param>
+		/// <param name="silentFail">Allow issues to occurs in this method. Every issue is catched and ignored.</param>
+		/// <returns>The newly created item or the existing value if it existed.</returns>
 		Task<T> CreateIfNotExists([NotNull] T obj, bool silentFail = false);
+		
+		/// <summary>
+		/// Edit a resource
+		/// </summary>
+		/// <param name="edited">The resourcce to edit, it's ID can't change.</param>
+		/// <param name="resetOld">Should old properties of the resource be discarded or should null values considered as not changed?</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The resource edited and completed by database's informations (related items & so on)</returns>
 		Task<T> Edit([NotNull] T edited, bool resetOld);
 		
+		/// <summary>
+		/// Delete a resource by it's ID
+		/// </summary>
+		/// <param name="id">The ID of the resource</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
 		Task Delete(int id);
+		/// <summary>
+		/// Delete a resource by it's slug
+		/// </summary>
+		/// <param name="slug">The slug of the resource</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
 		Task Delete(string slug);
+		/// <summary>
+		/// Delete a resource
+		/// </summary>
+		/// <param name="obj">The resource to delete</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
 		Task Delete([NotNull] T obj);
 
+		/// <summary>
+		/// Delete a list of resources.
+		/// </summary>
+		/// <param name="objs">One or multiple resources to delete</param>
+		/// <exception cref="ItemNotFound">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="ItemNotFound">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 resources's id</param>
+		/// <exception cref="ItemNotFound">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 enumearble of resources's id</param>
+		/// <exception cref="ItemNotFound">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 resources's slug</param>
+		/// <exception cref="ItemNotFound">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 resources's slug</param>
+		/// <exception cref="ItemNotFound">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="ItemNotFound">If the item is not found</exception>
 		Task DeleteRange([NotNull] Expression<Func<T, bool>> where);
 	}
 
+	/// <summary>
+	/// A repository to handle shows.
+	/// </summary>
 	public interface IShowRepository : IRepository<Show>
 	{
+		/// <summary>
+		/// Link a show to a collection and/or a library. The given show is now part of thoses containers.
+		/// If both a library and a collection are given, the collection is added to the library too.
+		/// </summary>
+		/// <param name="showID">The ID of the show</param>
+		/// <param name="libraryID">The ID of the library (optional)</param>
+		/// <param name="collectionID">The ID of the collection (optional)</param>
 		Task AddShowLink(int showID, int? libraryID, int? collectionID);
 
+		/// <summary>
+		/// Get a show's slug from it's ID.
+		/// </summary>
+		/// <param name="showID">The ID of the show</param>
+		/// <exception cref="ItemNotFound">If a show with the given ID is not found.</exception>
+		/// <returns>The show's slug</returns>
 		Task<string> GetSlug(int showID);
 	}
 
+	/// <summary>
+	/// A repository to handle seasons.
+	/// </summary>
 	public interface ISeasonRepository : IRepository<Season>
 	{
+		/// <summary>
+		/// Get a season from it's showID and it's seasonNumber
+		/// </summary>
+		/// <param name="showID">The id of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The season found</returns>
 		Task<Season> Get(int showID, int seasonNumber);
+		
+		/// <summary>
+		/// Get a season from it's show slug and it's seasonNumber
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The season found</returns>
 		Task<Season> Get(string showSlug, int seasonNumber);
-		Task Delete(string showSlug, int seasonNumber);
+		
+		/// <summary>
+        /// Get a season from it's showID and it's seasonNumber or null if it is not found.
+        /// </summary>
+        /// <param name="showID">The id of the show</param>
+        /// <param name="seasonNumber">The season's number</param>
+        /// <returns>The season found</returns>
+        Task<Season> GetOrDefault(int showID, int seasonNumber);
+        
+        /// <summary>
+        /// Get a season from it's show slug and it's seasonNumber or null if it is not found.
+        /// </summary>
+        /// <param name="showSlug">The slug of the show</param>
+        /// <param name="seasonNumber">The season's number</param>
+        /// <returns>The season found</returns>
+        Task<Season> GetOrDefault(string showSlug, int seasonNumber);
 	}
 	
+	/// <summary>
+	/// The repository to handle episodes
+	/// </summary>
 	public interface IEpisodeRepository : IRepository<Episode>
 	{
+		/// <summary>
+		/// Get a episode from it's showID, it's seasonNumber and it's episode number.
+		/// </summary>
+		/// <param name="showID">The id of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <param name="episodeNumber">The episode's number</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The episode found</returns>
 		Task<Episode> Get(int showID, int seasonNumber, int episodeNumber);
+		/// <summary>
+		/// Get a episode from it's show slug, it's seasonNumber and it's episode number.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <param name="episodeNumber">The episode's number</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The episode found</returns>
 		Task<Episode> Get(string showSlug, int seasonNumber, int episodeNumber);
-		Task<Episode> Get(int seasonID, int episodeNumber);
+
+		/// <summary>
+		/// Get a episode from it's showID, it's seasonNumber and it's episode number or null if it is not found.
+		/// </summary>
+		/// <param name="showID">The id of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <param name="episodeNumber">The episode's number</param>
+		/// <returns>The episode found</returns>
+		Task<Episode> GetOrDefault(int showID, int seasonNumber, int episodeNumber);
+		/// <summary>
+		/// Get a episode from it's show slug, it's seasonNumber and it's episode number or null if it is not found.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="seasonNumber">The season's number</param>
+		/// <param name="episodeNumber">The episode's number</param>
+		/// <returns>The episode found</returns>
+		Task<Episode> GetOrDefault(string showSlug, int seasonNumber, int episodeNumber);
+		
+		/// <summary>
+		/// Get a episode from it's showID and it's absolute number.
+		/// </summary>
+		/// <param name="showID">The id of the show</param>
+		/// <param name="absoluteNumber">The episode's absolute number (The episode number does not reset to 1 after the end of a season.</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The episode found</returns>
 		Task<Episode> GetAbsolute(int showID, int absoluteNumber);
+		/// <summary>
+		/// Get a episode from it's showID and it's absolute number.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="absoluteNumber">The episode's absolute number (The episode number does not reset to 1 after the end of a season.</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The episode found</returns>
 		Task<Episode> GetAbsolute(string showSlug, int absoluteNumber);
-		Task Delete(string showSlug, int seasonNumber, int episodeNumber);
 	}
 
+	/// <summary>
+	/// A repository to handle tracks
+	/// </summary>
 	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="ItemNotFound">If the item is not found</exception>
+		/// <returns>The tracl 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 tracl found</returns>
+		Task<Track> GetOrDefault(string slug, StreamType type = StreamType.Unknown);
 	}
 	
+	/// <summary>
+	/// A repository to handle libraries.
+	/// </summary>
 	public interface ILibraryRepository : IRepository<Library> { }
 
+	/// <summary>
+	/// A repository to handle library items (A wrapper arround shows and collections).
+	/// </summary>
 	public interface ILibraryItemRepository : IRepository<LibraryItem>
 	{
+		/// <summary>
+		/// Get items (A wrapper arround shows or collections) from a library.
+		/// </summary>
+		/// <param name="id">The ID of the library</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		public Task<ICollection<LibraryItem>> GetFromLibrary(int id,
 			Expression<Func<LibraryItem, bool>> where = null,
 			Sort<LibraryItem> sort = default,
 			Pagination limit = default);
-
+		/// <summary>
+		/// Get items (A wrapper arround shows or collections) from a library.
+		/// </summary>
+		/// <param name="id">The ID of the library</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		public Task<ICollection<LibraryItem>> GetFromLibrary(int id,
 			[Optional] Expression<Func<LibraryItem, bool>> where,
 			Expression<Func<LibraryItem, object>> sort,
 			Pagination limit = default
 		) => GetFromLibrary(id, where, new Sort<LibraryItem>(sort), limit);
 		
-		public Task<ICollection<LibraryItem>> GetFromLibrary(string librarySlug,
+		/// <summary>
+		/// Get items (A wrapper arround shows or collections) from a library.
+		/// </summary>
+		/// <param name="slug">The slug of the library</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		public Task<ICollection<LibraryItem>> GetFromLibrary(string slug,
 			Expression<Func<LibraryItem, bool>> where = null,
 			Sort<LibraryItem> sort = default,
 			Pagination limit = default);
-
-		public Task<ICollection<LibraryItem>> GetFromLibrary(string librarySlug,
+		/// <summary>
+		/// Get items (A wrapper arround shows or collections) from a library.
+		/// </summary>
+		/// <param name="slug">The slug of the library</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		public Task<ICollection<LibraryItem>> GetFromLibrary(string slug,
 			[Optional] Expression<Func<LibraryItem, bool>> where,
 			Expression<Func<LibraryItem, object>> sort,
 			Pagination limit = default
-		) => GetFromLibrary(librarySlug, where, new Sort<LibraryItem>(sort), limit);
+		) => GetFromLibrary(slug, where, new Sort<LibraryItem>(sort), limit);
 	}	
 		
+	/// <summary>
+	/// A repository for collections
+	/// </summary>
 	public interface ICollectionRepository : IRepository<Collection> { }
+	
+	/// <summary>
+	/// A repository for genres.
+	/// </summary>
 	public interface IGenreRepository : IRepository<Genre> { }
+	
+	/// <summary>
+	/// A repository for studios.
+	/// </summary>
 	public interface IStudioRepository : IRepository<Studio> { }
 
+	/// <summary>
+	/// A repository for people.
+	/// </summary>
 	public interface IPeopleRepository : IRepository<People>
 	{
+		/// <summary>
+		/// Get people's roles from a show.
+		/// </summary>
+		/// <param name="showID">The ID of the show</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<PeopleRole>> GetFromShow(int showID,
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default,
 			Pagination limit = default);
+		/// <summary>
+		/// Get people's roles from a show.
+		/// </summary>
+		/// <param name="showID">The ID of the show</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<PeopleRole>> GetFromShow(int showID,
 			[Optional] Expression<Func<PeopleRole, bool>> where,
 			Expression<Func<PeopleRole, object>> sort,
 			Pagination limit = default
 		) => GetFromShow(showID, where, new Sort<PeopleRole>(sort), limit);
 		
+		/// <summary>
+		/// Get people's roles from a show.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<PeopleRole>> GetFromShow(string showSlug,
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default,
 			Pagination limit = default);
+		/// <summary>
+		/// Get people's roles from a show.
+		/// </summary>
+		/// <param name="showSlug">The slug of the show</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
 		Task<ICollection<PeopleRole>> GetFromShow(string showSlug,
 			[Optional] Expression<Func<PeopleRole, bool>> where,
 			Expression<Func<PeopleRole, object>> sort,
 			Pagination limit = default
 		) => GetFromShow(showSlug, where, new Sort<PeopleRole>(sort), limit);
 		
-		Task<ICollection<PeopleRole>> GetFromPeople(int showID,
+		/// <summary>
+		/// Get people's roles from a person.
+		/// </summary>
+		/// <param name="id">The id of the person</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<PeopleRole>> GetFromPeople(int id,
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default,
 			Pagination limit = default);
-		Task<ICollection<PeopleRole>> GetFromPeople(int showID,
+		/// <summary>
+		/// Get people's roles from a person.
+		/// </summary>
+		/// <param name="id">The id of the person</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<PeopleRole>> GetFromPeople(int id,
 			[Optional] Expression<Func<PeopleRole, bool>> where,
 			Expression<Func<PeopleRole, object>> sort,
 			Pagination limit = default
-		) => GetFromPeople(showID, where, new Sort<PeopleRole>(sort), limit);
+		) => GetFromPeople(id, where, new Sort<PeopleRole>(sort), limit);
 		
-		Task<ICollection<PeopleRole>> GetFromPeople(string showSlug,
+		/// <summary>
+		/// Get people's roles from a person.
+		/// </summary>
+		/// <param name="slug">The slug of the person</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">Sort informations (sort order & sort by)</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<PeopleRole>> GetFromPeople(string slug,
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default,
 			Pagination limit = default);
-		Task<ICollection<PeopleRole>> GetFromPeople(string showSlug,
+		/// <summary>
+		/// Get people's roles from a person.
+		/// </summary>
+		/// <param name="slug">The slug of the person</param>
+		/// <param name="where">A filter function</param>
+		/// <param name="sort">A sort by method</param>
+		/// <param name="limit">How many items to return and where to start</param>
+		/// <returns>A list of items that match every filters</returns>
+		Task<ICollection<PeopleRole>> GetFromPeople(string slug,
 			[Optional] Expression<Func<PeopleRole, bool>> where,
 			Expression<Func<PeopleRole, object>> sort,
 			Pagination limit = default
-		) => GetFromPeople(showSlug, where, new Sort<PeopleRole>(sort), limit);
+		) => GetFromPeople(slug, where, new Sort<PeopleRole>(sort), limit);
 	}
 
-	public interface IProviderRepository : IRepository<ProviderID>
+	/// <summary>
+	/// A repository to handle providers.
+	/// </summary>
+	public interface IProviderRepository : IRepository<Provider>
 	{
+		/// <summary>
+		/// Get a list of external ids that match all filters
+		/// </summary>
+		/// <param name="where">A predicate to add arbitrary filter</param>
+		/// <param name="sort">Sort information (sort order & sort by)</param>
+		/// <param name="limit">Paginations information (where to start and how many to get)</param>
+		/// <returns>A filtered list of external ids.</returns>
 		Task<ICollection<MetadataID>> GetMetadataID(Expression<Func<MetadataID, bool>> where = null, 
 			Sort<MetadataID> sort = default,
 			Pagination limit = default);
 
+		/// <summary>
+		/// Get a list of external ids that match all filters
+		/// </summary>
+		/// <param name="where">A predicate to add arbitrary filter</param>
+		/// <param name="sort">A sort by expression</param>
+		/// <param name="limit">Paginations 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,
 			Expression<Func<MetadataID, object>> sort,
 			Pagination limit = default

Kyoo.Common/Controllers/IThumbnailsManager.cs

@@ -11,7 +11,7 @@ namespace Kyoo.Controllers
 		Task Validate(Season season, bool alwaysDownload = false);
 		Task Validate(Episode episode, bool alwaysDownload = false);
 		Task Validate(People actors, bool alwaysDownload = false);
-		Task Validate(ProviderID actors, bool alwaysDownload = false);
+		Task Validate(Provider actors, bool alwaysDownload = false);
 
 		Task<string> GetShowPoster([NotNull] Show show);
 		Task<string> GetShowLogo([NotNull] Show show);
@@ -19,6 +19,6 @@ namespace Kyoo.Controllers
 		Task<string> GetSeasonPoster([NotNull] Season season);
 		Task<string> GetEpisodeThumb([NotNull] Episode episode);
 		Task<string> GetPeoplePoster([NotNull] People people);
-		Task<string> GetProviderLogo([NotNull] ProviderID provider);
+		Task<string> GetProviderLogo([NotNull] Provider provider);
 	}
 }

Kyoo.Common/Controllers/Implementations/LibraryManager.cs

@@ -4,248 +4,174 @@ using System.Linq;
 using System.Linq.Expressions;
 using System.Threading.Tasks;
 using Kyoo.Models;
+using Kyoo.Models.Exceptions;
 
 namespace Kyoo.Controllers
 {
 	public class LibraryManager : ILibraryManager
 	{
+		/// <summary>
+		/// The list of repositories
+		/// </summary>
+		private readonly IBaseRepository[] _repositories;
+		
+		/// <inheritdoc />
 		public ILibraryRepository LibraryRepository { get; }
+		/// <inheritdoc />
 		public ILibraryItemRepository LibraryItemRepository { get; }
+		/// <inheritdoc />
 		public ICollectionRepository CollectionRepository { get; }
+		/// <inheritdoc />
 		public IShowRepository ShowRepository { get; }
+		/// <inheritdoc />
 		public ISeasonRepository SeasonRepository { get; }
+		/// <inheritdoc />
 		public IEpisodeRepository EpisodeRepository { get; }
+		/// <inheritdoc />
 		public ITrackRepository TrackRepository { get; }
-		public IGenreRepository GenreRepository { get; }
-		public IStudioRepository StudioRepository { get; }
+		/// <inheritdoc />
 		public IPeopleRepository PeopleRepository { get; }
+		/// <inheritdoc />
+		public IStudioRepository StudioRepository { get; }
+		/// <inheritdoc />
+		public IGenreRepository GenreRepository { get; }
+		/// <inheritdoc />
 		public IProviderRepository ProviderRepository { get; }
 		
-		public LibraryManager(ILibraryRepository libraryRepository, 
-			ILibraryItemRepository libraryItemRepository,
-			ICollectionRepository collectionRepository, 
-			IShowRepository showRepository, 
-			ISeasonRepository seasonRepository, 
-			IEpisodeRepository episodeRepository,
-			ITrackRepository trackRepository, 
-			IGenreRepository genreRepository, 
-			IStudioRepository studioRepository,
-			IProviderRepository providerRepository, 
-			IPeopleRepository peopleRepository)
+		
+		/// <summary>
+		/// Create a new <see cref="LibraryManager"/> instancce with every repository available.
+		/// </summary>
+		/// <param name="repositories">The list of repositories that this library manager should manage.
+		/// If a repository for every base type is not available, this instance won't be stable.</param>
+		public LibraryManager(IEnumerable<IBaseRepository> repositories)
 		{
-			LibraryRepository = libraryRepository;
-			LibraryItemRepository = libraryItemRepository;
-			CollectionRepository = collectionRepository;
-			ShowRepository = showRepository;
-			SeasonRepository = seasonRepository;
-			EpisodeRepository = episodeRepository;
-			TrackRepository = trackRepository;
-			GenreRepository = genreRepository;
-			StudioRepository = studioRepository;
-			ProviderRepository = providerRepository;
-			PeopleRepository = peopleRepository;
+			_repositories = repositories.ToArray();
+			LibraryRepository = GetRepository<Library>() as ILibraryRepository;
+			LibraryItemRepository = GetRepository<LibraryItem>() as ILibraryItemRepository;
+			CollectionRepository = GetRepository<Collection>() as ICollectionRepository;
+			ShowRepository = GetRepository<Show>() as IShowRepository;
+			SeasonRepository = GetRepository<Season>() as ISeasonRepository;
+			EpisodeRepository = GetRepository<Episode>() as IEpisodeRepository;
+			TrackRepository = GetRepository<Track>() as ITrackRepository;
+			PeopleRepository = GetRepository<People>() as IPeopleRepository;
+			StudioRepository = GetRepository<Studio>() as IStudioRepository;
+			GenreRepository = GetRepository<Genre>() as IGenreRepository;
+			ProviderRepository = GetRepository<Provider>() as IProviderRepository;
 		}
 
-		public void Dispose()
+		/// <inheritdoc />
+		public IRepository<T> GetRepository<T>()
+			where T : class, IResource
 		{
-			LibraryRepository.Dispose();
-			CollectionRepository.Dispose();
-			ShowRepository.Dispose();
-			SeasonRepository.Dispose();
-			EpisodeRepository.Dispose();
-			TrackRepository.Dispose();
-			GenreRepository.Dispose();
-			StudioRepository.Dispose();
-			PeopleRepository.Dispose();
-			ProviderRepository.Dispose();
+			if (_repositories.FirstOrDefault(x => x.RepositoryType == typeof(T)) is IRepository<T> ret)
+				return ret;
+			throw new ItemNotFound();
 		}
 
-		public async ValueTask DisposeAsync()
+		/// <inheritdoc />
+		public Task<T> Get<T>(int id)
+			where T : class, IResource
 		{
-			await Task.WhenAll(
-				LibraryRepository.DisposeAsync().AsTask(),
-				CollectionRepository.DisposeAsync().AsTask(),
-				ShowRepository.DisposeAsync().AsTask(),
-				SeasonRepository.DisposeAsync().AsTask(),
-				EpisodeRepository.DisposeAsync().AsTask(),
-				TrackRepository.DisposeAsync().AsTask(),
-				GenreRepository.DisposeAsync().AsTask(),
-				StudioRepository.DisposeAsync().AsTask(),
-				PeopleRepository.DisposeAsync().AsTask(),
-				ProviderRepository.DisposeAsync().AsTask()
-			);
+			return GetRepository<T>().Get(id);
 		}
 
-		public Task<Library> GetLibrary(int id)
+		/// <inheritdoc />
+		public Task<T> Get<T>(string slug) 
+			where T : class, IResource
 		{
-			return LibraryRepository.Get(id);
+			return GetRepository<T>().Get(slug);
 		}
 
-		public Task<Collection> GetCollection(int id)
+		/// <inheritdoc />
+		public Task<T> Get<T>(Expression<Func<T, bool>> where)
+			where T : class, IResource
 		{
-			return CollectionRepository.Get(id);
+			return GetRepository<T>().Get(where);
 		}
 
-		public Task<Show> GetShow(int id)
-		{
-			return ShowRepository.Get(id);
-		}
-
-		public Task<Season> GetSeason(int id)
-		{
-			return SeasonRepository.Get(id);
-		}
-		
-		public Task<Season> GetSeason(int showID, int seasonNumber)
+		/// <inheritdoc />
+		public Task<Season> Get(int showID, int seasonNumber)
 		{
 			return SeasonRepository.Get(showID, seasonNumber);
 		}
 
-		public Task<Episode> GetEpisode(int id)
-		{
-			return EpisodeRepository.Get(id);
-		}
-
-		public Task<Episode> GetEpisode(int showID, int seasonNumber, int episodeNumber)
-		{
-			return EpisodeRepository.Get(showID, seasonNumber, episodeNumber);
-		}
-
-		public Task<Track> GetTrack(string slug, StreamType type = StreamType.Unknown)
-		{
-			return TrackRepository.Get(slug, type);
-		}
-
-		public Task<Genre> GetGenre(int id)
-		{
-			return GenreRepository.Get(id);
-		}
-
-		public Task<Studio> GetStudio(int id)
-		{
-			return StudioRepository.Get(id);
-		}
-
-		public Task<People> GetPeople(int id)
-		{
-			return PeopleRepository.Get(id);
-		}
-
-		public Task<ProviderID> GetProvider(int id)
-		{
-			return ProviderRepository.Get(id);
-		}
-
-		public Task<Library> GetLibrary(string slug)
-		{
-			return LibraryRepository.Get(slug);
-		}
-
-		public Task<Collection> GetCollection(string slug)
-		{
-			return CollectionRepository.Get(slug);
-		}
-
-		public Task<Show> GetShow(string slug)
-		{
-			return ShowRepository.Get(slug);
-		}
-		
-		public Task<Season> GetSeason(string slug)
-		{
-			return SeasonRepository.Get(slug);
-		}
-
-		public Task<Season> GetSeason(string showSlug, int seasonNumber)
+		/// <inheritdoc />
+		public Task<Season> Get(string showSlug, int seasonNumber)
 		{
 			return SeasonRepository.Get(showSlug, seasonNumber);
 		}
 
-		public Task<Episode> GetEpisode(string slug)
+		/// <inheritdoc />
+		public Task<Episode> Get(int showID, int seasonNumber, int episodeNumber)
 		{
-			return EpisodeRepository.Get(slug);
+			return EpisodeRepository.Get(showID, seasonNumber, episodeNumber);
 		}
 
-		public Task<Episode> GetEpisode(string showSlug, int seasonNumber, int episodeNumber)
+		/// <inheritdoc />
+		public Task<Episode> Get(string showSlug, int seasonNumber, int episodeNumber)
 		{
 			return EpisodeRepository.Get(showSlug, seasonNumber, episodeNumber);
 		}
 
-		public Task<Episode> GetMovieEpisode(string movieSlug)
+		/// <inheritdoc />
+		public Task<Track> Get(string slug, StreamType type = StreamType.Unknown)
 		{
-			return EpisodeRepository.Get(movieSlug);
+			return TrackRepository.Get(slug, type);
 		}
 
-		public Task<Track> GetTrack(int id)
+		/// <inheritdoc />
+		public async Task<T> GetOrDefault<T>(int id) 
+			where T : class, IResource
 		{
-			return TrackRepository.Get(id);
+			return await GetRepository<T>().GetOrDefault(id);
 		}
 		
-		public Task<Genre> GetGenre(string slug)
+		/// <inheritdoc />
+		public async Task<T> GetOrDefault<T>(string slug) 
+			where T : class, IResource
 		{
-			return GenreRepository.Get(slug);
+			return await GetRepository<T>().GetOrDefault(slug);
 		}
 		
-		public Task<Studio> GetStudio(string slug)
+		/// <inheritdoc />
+		public async Task<T> GetOrDefault<T>(Expression<Func<T, bool>> where)
+			where T : class, IResource
 		{
-			return StudioRepository.Get(slug);
+			return await GetRepository<T>().GetOrDefault(where);
 		}
 
-		public Task<People> GetPeople(string slug)
+		/// <inheritdoc />
+		public async Task<Season> GetOrDefault(int showID, int seasonNumber)
 		{
-			return PeopleRepository.Get(slug);
+			return await SeasonRepository.GetOrDefault(showID, seasonNumber);
 		}
 		
-		public Task<ProviderID> GetProvider(string slug)
+		/// <inheritdoc />
+		public async Task<Season> GetOrDefault(string showSlug, int seasonNumber)
 		{
-			return ProviderRepository.Get(slug);
+			return await SeasonRepository.GetOrDefault(showSlug, seasonNumber);
 		}
 		
-		public Task<Library> GetLibrary(Expression<Func<Library, bool>> where)
+		/// <inheritdoc />
+		public async Task<Episode> GetOrDefault(int showID, int seasonNumber, int episodeNumber)
 		{
-			return LibraryRepository.Get(where);
+			return await EpisodeRepository.GetOrDefault(showID, seasonNumber, episodeNumber);
 		}
 		
-		public Task<Collection> GetCollection(Expression<Func<Collection, bool>> where)
+		/// <inheritdoc />
+		public async Task<Episode> GetOrDefault(string showSlug, int seasonNumber, int episodeNumber)
 		{
-			return CollectionRepository.Get(where);
+			return await EpisodeRepository.GetOrDefault(showSlug, seasonNumber, episodeNumber);
 		}
 
-		public Task<Show> GetShow(Expression<Func<Show, bool>> where)
+		/// <inheritdoc />
+		public async Task<Track> GetOrDefault(string slug, StreamType type = StreamType.Unknown)
 		{
-			return ShowRepository.Get(where);
-		}
-
-		public Task<Season> GetSeason(Expression<Func<Season, bool>> where)
-		{
-			return SeasonRepository.Get(where);
-		}
-
-		public Task<Episode> GetEpisode(Expression<Func<Episode, bool>> where)
-		{
-			return EpisodeRepository.Get(where);
-		}
-
-		public Task<Track> GetTrack(Expression<Func<Track, bool>> where)
-		{
-			return TrackRepository.Get(where);
-		}
-
-		public Task<Genre> GetGenre(Expression<Func<Genre, bool>> where)
-		{
-			return GenreRepository.Get(where);
-		}
-
-		public Task<Studio> GetStudio(Expression<Func<Studio, bool>> where)
-		{
-			return StudioRepository.Get(where);
-		}
-
-		public Task<People> GetPerson(Expression<Func<People, bool>> where)
-		{
-			return PeopleRepository.Get(where);
+			return await TrackRepository.GetOrDefault(slug, type);
 		}
 		
+		/// <inheritdoc />
 		public Task<T> Load<T, T2>(T obj, Expression<Func<T, T2>> member)
 			where T : class, IResource
 			where T2 : class, IResource, new()
@@ -255,6 +181,7 @@ namespace Kyoo.Controllers
 			return Load(obj, Utility.GetPropertyName(member));
 		}
 
+		/// <inheritdoc />
 		public Task<T> Load<T, T2>(T obj, Expression<Func<T, ICollection<T2>>> member)
 			where T : class, IResource
 			where T2 : class, new()
@@ -264,14 +191,24 @@ namespace Kyoo.Controllers
 			return Load(obj, Utility.GetPropertyName(member));
 		}
 
-		public async Task<T> Load<T>(T obj, string member)
+		/// <inheritdoc />
+		public async Task<T> Load<T>(T obj, string memberName)
 			where T : class, IResource
 		{
-			await Load(obj as IResource, member);
+			await Load(obj as IResource, memberName);
 			return obj;
 		}
 
-		private async Task SetRelation<T1, T2>(T1 obj, 
+		/// <summary>
+		/// Set relations between to objects.
+		/// </summary>
+		/// <param name="obj">The owner object</param>
+		/// <param name="loader">A Task to load a collection of related objects</param>
+		/// <param name="setter">A setter function to store the collection of related objects</param>
+		/// <param name="inverse">A setter function to store the owner of a releated object loaded</param>
+		/// <typeparam name="T1">The type of the owner object</typeparam>
+		/// <typeparam name="T2">The type of the related object</typeparam>
+		private static async Task SetRelation<T1, T2>(T1 obj, 
 			Task<ICollection<T2>> loader, 
 			Action<T1, ICollection<T2>> setter, 
 			Action<T2, T1> inverse)
@@ -282,12 +219,13 @@ namespace Kyoo.Controllers
 				inverse(item, obj);
 		}
 
-		public Task Load(IResource obj, string member)
+		/// <inheritdoc />
+		public Task Load(IResource obj, string memberName)
 		{
 			if (obj == null)
 				throw new ArgumentNullException(nameof(obj));
 			
-			return (obj, member) switch
+			return (obj, member: memberName) switch
 			{
 				(Library l, nameof(Library.Providers)) => ProviderRepository
 					.GetAll(x => x.Libraries.Any(y => y.ID == obj.ID))
@@ -343,7 +281,7 @@ namespace Kyoo.Controllers
 					.Then(x => s.Collections = x),
 				
 				(Show s, nameof(Show.Studio)) => StudioRepository
-					.Get(x => x.Shows.Any(y => y.ID == obj.ID))
+					.GetOrDefault(x => x.Shows.Any(y => y.ID == obj.ID))
 					.Then(x =>
 					{
 						s.Studio = x;
@@ -362,7 +300,7 @@ namespace Kyoo.Controllers
 					(x, y) => { x.Season = y; x.SeasonID = y.ID; }),
 				
 				(Season s, nameof(Season.Show)) => ShowRepository
-					.Get(x => x.Seasons.Any(y => y.ID == obj.ID))
+					.GetOrDefault(x => x.Seasons.Any(y => y.ID == obj.ID))
 					.Then(x =>
 					{
 						s.Show = x;
@@ -381,7 +319,7 @@ namespace Kyoo.Controllers
 					(x, y) => { x.Episode = y; x.EpisodeID = y.ID; }),
 				
 				(Episode e, nameof(Episode.Show)) => ShowRepository
-					.Get(x => x.Episodes.Any(y => y.ID == obj.ID))
+					.GetOrDefault(x => x.Episodes.Any(y => y.ID == obj.ID))
 					.Then(x =>
 					{
 						e.Show = x;
@@ -389,7 +327,7 @@ namespace Kyoo.Controllers
 					}),
 				
 				(Episode e, nameof(Episode.Season)) => SeasonRepository
-					.Get(x => x.Episodes.Any(y => y.ID == e.ID))
+					.GetOrDefault(x => x.Episodes.Any(y => y.ID == e.ID))
 					.Then(x =>
 					{
 						e.Season = x;
@@ -398,7 +336,7 @@ namespace Kyoo.Controllers
 				
 				
 				(Track t, nameof(Track.Episode)) => EpisodeRepository
-					.Get(x => x.Tracks.Any(y => y.ID == obj.ID))
+					.GetOrDefault(x => x.Tracks.Any(y => y.ID == obj.ID))
 					.Then(x =>
 					{
 						t.Episode = x;
@@ -426,85 +364,16 @@ namespace Kyoo.Controllers
 					.Then(x => p.Roles = x),
 				
 				
-				(ProviderID p, nameof(ProviderID.Libraries)) => LibraryRepository
+				(Provider p, nameof(Provider.Libraries)) => LibraryRepository
 					.GetAll(x => x.Providers.Any(y => y.ID == obj.ID))
 					.Then(x => p.Libraries = x),
 				
 
-				_ => throw new ArgumentException($"Couldn't find a way to load {member} of {obj.Slug}.")
+				_ => throw new ArgumentException($"Couldn't find a way to load {memberName} of {obj.Slug}.")
 			};
 		}
 
-		public Task<ICollection<Library>> GetLibraries(Expression<Func<Library, bool>> where = null, 
-			Sort<Library> sort = default,
-			Pagination page = default)
-		{
-			return LibraryRepository.GetAll(where, sort, page);
-		}
-
-		public Task<ICollection<Collection>> GetCollections(Expression<Func<Collection, bool>> where = null, 
-			Sort<Collection> sort = default,
-			Pagination page = default)
-		{
-			return CollectionRepository.GetAll(where, sort, page);
-		}
-
-		public Task<ICollection<Show>> GetShows(Expression<Func<Show, bool>> where = null, 
-			Sort<Show> sort = default,
-			Pagination limit = default)
-		{
-			return ShowRepository.GetAll(where, sort, limit);
-		}
-
-		public Task<ICollection<Season>> GetSeasons(Expression<Func<Season, bool>> where = null,
-			Sort<Season> sort = default,
-			Pagination limit = default)
-		{
-			return SeasonRepository.GetAll(where, sort, limit);
-		}
-
-		public Task<ICollection<Episode>> GetEpisodes(Expression<Func<Episode, bool>> where = null, 
-			Sort<Episode> sort = default,
-			Pagination limit = default)
-		{
-			return EpisodeRepository.GetAll(where, sort, limit);
-		}
-
-		public Task<ICollection<Track>> GetTracks(Expression<Func<Track, bool>> where = null, 
-			Sort<Track> sort = default,
-			Pagination page = default)
-		{
-			return TrackRepository.GetAll(where, sort, page);
-		}
-
-		public Task<ICollection<Studio>> GetStudios(Expression<Func<Studio, bool>> where = null, 
-			Sort<Studio> sort = default,
-			Pagination page = default)
-		{
-			return StudioRepository.GetAll(where, sort, page);
-		}
-
-		public Task<ICollection<People>> GetPeople(Expression<Func<People, bool>> where = null, 
-			Sort<People> sort = default,
-			Pagination page = default)
-		{
-			return PeopleRepository.GetAll(where, sort, page);
-		}
-
-		public Task<ICollection<Genre>> GetGenres(Expression<Func<Genre, bool>> where = null, 
-			Sort<Genre> sort = default,
-			Pagination page = default)
-		{
-			return GenreRepository.GetAll(where, sort, page);
-		}
-
-		public Task<ICollection<ProviderID>> GetProviders(Expression<Func<ProviderID, bool>> where = null, 
-			Sort<ProviderID> sort = default,
-			Pagination page = default)
-		{
-			return ProviderRepository.GetAll(where, sort, page); 
-		}
-
+		/// <inheritdoc />
 		public Task<ICollection<LibraryItem>> GetItemsFromLibrary(int id, 
 			Expression<Func<LibraryItem, bool>> where = null, 
 			Sort<LibraryItem> sort = default, 
@@ -513,14 +382,16 @@ namespace Kyoo.Controllers
 			return LibraryItemRepository.GetFromLibrary(id, where, sort, limit);
 		}
 
-		public Task<ICollection<LibraryItem>> GetItemsFromLibrary(string librarySlug,
+		/// <inheritdoc />
+		public Task<ICollection<LibraryItem>> GetItemsFromLibrary(string slug, 
 			Expression<Func<LibraryItem, bool>> where = null, 
 			Sort<LibraryItem> sort = default, 
 			Pagination limit = default)
 		{
-			return LibraryItemRepository.GetFromLibrary(librarySlug, where, sort, limit);
+			return LibraryItemRepository.GetFromLibrary(slug, where, sort, limit);
 		}
 
+		/// <inheritdoc />
 		public Task<ICollection<PeopleRole>> GetPeopleFromShow(int showID, 
 			Expression<Func<PeopleRole, bool>> where = null,
 			Sort<PeopleRole> sort = default,
@@ -529,6 +400,7 @@ namespace Kyoo.Controllers
 			return PeopleRepository.GetFromShow(showID, where, sort, limit);
 		}
 
+		/// <inheritdoc />
 		public Task<ICollection<PeopleRole>> GetPeopleFromShow(string showSlug, 
 			Expression<Func<PeopleRole, bool>> where = null,
 			Sort<PeopleRole> sort = default, 
@@ -537,6 +409,7 @@ namespace Kyoo.Controllers
 			return PeopleRepository.GetFromShow(showSlug, where, sort, limit);
 		}
 
+		/// <inheritdoc />
 		public Task<ICollection<PeopleRole>> GetRolesFromPeople(int id, 
 			Expression<Func<PeopleRole, bool>> where = null,
 			Sort<PeopleRole> sort = default,
@@ -545,6 +418,7 @@ namespace Kyoo.Controllers
 			return PeopleRepository.GetFromPeople(id, where, sort, limit);
 		}
 
+		/// <inheritdoc />
 		public Task<ICollection<PeopleRole>> GetRolesFromPeople(string slug,
 			Expression<Func<PeopleRole, bool>> where = null,
 			Sort<PeopleRole> sort = default,
@@ -553,326 +427,83 @@ namespace Kyoo.Controllers
 			return PeopleRepository.GetFromPeople(slug, where, sort, limit);
 		}
 
-		public Task<int> GetLibrariesCount(Expression<Func<Library, bool>> where = null)
-		{
-			return LibraryRepository.GetCount(where);
-		}
-
-		public Task<int> GetCollectionsCount(Expression<Func<Collection, bool>> where = null)
-		{
-			return CollectionRepository.GetCount(where);
-		}
-
-		public Task<int> GetShowsCount(Expression<Func<Show, bool>> where = null)
-		{
-			return ShowRepository.GetCount(where);
-		}
-
-		public Task<int> GetSeasonsCount(Expression<Func<Season, bool>> where = null)
-		{
-			return SeasonRepository.GetCount(where);
-		}
-
-		public Task<int> GetEpisodesCount(Expression<Func<Episode, bool>> where = null)
-		{
-			return EpisodeRepository.GetCount(where);
-		}
-
-		public Task<int> GetTracksCount(Expression<Func<Track, bool>> where = null)
-		{
-			return TrackRepository.GetCount(where);
-		}
-
-		public Task<int> GetGenresCount(Expression<Func<Genre, bool>> where = null)
-		{
-			return GenreRepository.GetCount(where);
-		}
-
-		public Task<int> GetStudiosCount(Expression<Func<Studio, bool>> where = null)
-		{
-			return StudioRepository.GetCount(where);
-		}
-
-		public Task<int> GetPeopleCount(Expression<Func<People, bool>> where = null)
-		{
-			return PeopleRepository.GetCount(where);
-		}
-
+		/// <inheritdoc />
 		public Task AddShowLink(int showID, int? libraryID, int? collectionID)
 		{
 			return ShowRepository.AddShowLink(showID, libraryID, collectionID);
 		}
 
+		/// <inheritdoc />
 		public Task AddShowLink(Show show, Library library, Collection collection)
 		{
 			if (show == null)
 				throw new ArgumentNullException(nameof(show));
-			return AddShowLink(show.ID, library?.ID, collection?.ID);
+			return ShowRepository.AddShowLink(show.ID, library?.ID, collection?.ID);
 		}
 
-		public Task<ICollection<Library>> SearchLibraries(string searchQuery)
+		/// <inheritdoc />
+		public Task<ICollection<T>> GetAll<T>(Expression<Func<T, bool>> where = null,
+			Sort<T> sort = default,
+			Pagination limit = default) 
+			where T : class, IResource
 		{
-			return LibraryRepository.Search(searchQuery);
+			return GetRepository<T>().GetAll(where, sort, limit);
 		}
 
-		public Task<ICollection<Collection>> SearchCollections(string searchQuery)
+		/// <inheritdoc />
+		public Task<int> GetCount<T>(Expression<Func<T, bool>> where = null)
+			where T : class, IResource
 		{
-			return CollectionRepository.Search(searchQuery);
+			return GetRepository<T>().GetCount(where);
 		}
 
-		public Task<ICollection<Show>> SearchShows(string searchQuery)
+		/// <inheritdoc />
+		public Task<ICollection<T>> Search<T>(string query) 
+			where T : class, IResource
 		{
-			return ShowRepository.Search(searchQuery);
+			return GetRepository<T>().Search(query);
 		}
 
-		public Task<ICollection<Season>> SearchSeasons(string searchQuery)
+		/// <inheritdoc />
+		public Task<T> Create<T>(T item) 
+			where T : class, IResource
 		{
-			return SeasonRepository.Search(searchQuery);
+			return GetRepository<T>().Create(item);
 		}
 		
-		public Task<ICollection<Episode>> SearchEpisodes(string searchQuery)
+		/// <inheritdoc />
+		public Task<T> CreateIfNotExists<T>(T item)
+			where T : class, IResource
 		{
-			return EpisodeRepository.Search(searchQuery);
+			return GetRepository<T>().CreateIfNotExists(item);
 		}
 
-		public Task<ICollection<Genre>> SearchGenres(string searchQuery)
+		/// <inheritdoc />
+		public Task<T> Edit<T>(T item, bool resetOld)
+			where T : class, IResource
 		{
-			return GenreRepository.Search(searchQuery);
+			return GetRepository<T>().Edit(item, resetOld);
 		}
 
-		public Task<ICollection<Studio>> SearchStudios(string searchQuery)
+		/// <inheritdoc />
+		public Task Delete<T>(T item) 
+			where T : class, IResource
 		{
-			return StudioRepository.Search(searchQuery);
+			return GetRepository<T>().Delete(item);
 		}
 
-		public Task<ICollection<People>> SearchPeople(string searchQuery)
+		/// <inheritdoc />
+		public Task Delete<T>(int id) 
+			where T : class, IResource
 		{
-			return PeopleRepository.Search(searchQuery);
+			return GetRepository<T>().Delete(id);
 		}
 
-		public Task<Library> RegisterLibrary(Library library)
+		/// <inheritdoc />
+		public Task Delete<T>(string slug) 
+			where T : class, IResource
 		{
-			return LibraryRepository.Create(library);
-		}
-
-		public Task<Collection> RegisterCollection(Collection collection)
-		{
-			return CollectionRepository.Create(collection);
-		}
-
-		public Task<Show> RegisterShow(Show show)
-		{
-			return ShowRepository.Create(show);
-		}
-
-		public Task<Season> RegisterSeason(Season season)
-		{
-			return SeasonRepository.Create(season);
-		}
-
-		public Task<Episode> RegisterEpisode(Episode episode)
-		{
-			return EpisodeRepository.Create(episode);
-		}
-
-		public Task<Track> RegisterTrack(Track track)
-		{
-			return TrackRepository.Create(track);
-		}
-
-		public Task<Genre> RegisterGenre(Genre genre)
-		{
-			return GenreRepository.Create(genre);
-		}
-
-		public Task<Studio> RegisterStudio(Studio studio)
-		{
-			return StudioRepository.Create(studio);
-		}
-
-		public Task<People> RegisterPeople(People people)
-		{
-			return PeopleRepository.Create(people);
-		}
-
-		public Task<Library> EditLibrary(Library library, bool resetOld)
-		{
-			return LibraryRepository.Edit(library, resetOld);
-		}
-
-		public Task<Collection> EditCollection(Collection collection, bool resetOld)
-		{
-			return CollectionRepository.Edit(collection, resetOld);
-		}
-
-		public Task<Show> EditShow(Show show, bool resetOld)
-		{
-			return ShowRepository.Edit(show, resetOld);
-		}
-
-		public Task<Season> EditSeason(Season season, bool resetOld)
-		{
-			return SeasonRepository.Edit(season, resetOld);
-		}
-
-		public Task<Episode> EditEpisode(Episode episode, bool resetOld)
-		{
-			return EpisodeRepository.Edit(episode, resetOld);
-		}
-
-		public Task<Track> EditTrack(Track track, bool resetOld)
-		{
-			return TrackRepository.Edit(track, resetOld);
-		}
-
-		public Task<Genre> EditGenre(Genre genre, bool resetOld)
-		{
-			return GenreRepository.Edit(genre, resetOld);
-		}
-
-		public Task<Studio> EditStudio(Studio studio, bool resetOld)
-		{
-			return StudioRepository.Edit(studio, resetOld);
-		}
-
-		public Task<People> EditPeople(People people, bool resetOld)
-		{
-			return PeopleRepository.Edit(people, resetOld);
-		}
-
-		public Task DeleteLibrary(Library library)
-		{
-			return LibraryRepository.Delete(library);
-		}
-
-		public Task DeleteCollection(Collection collection)
-		{
-			return CollectionRepository.Delete(collection);
-		}
-
-		public Task DeleteShow(Show show)
-		{
-			return ShowRepository.Delete(show);
-		}
-
-		public Task DeleteSeason(Season season)
-		{
-			return SeasonRepository.Delete(season);
-		}
-
-		public Task DeleteEpisode(Episode episode)
-		{
-			return EpisodeRepository.Delete(episode);
-		}
-
-		public Task DeleteTrack(Track track)
-		{
-			return TrackRepository.Delete(track);
-		}
-
-		public Task DeleteGenre(Genre genre)
-		{
-			return GenreRepository.Delete(genre);
-		}
-
-		public Task DeleteStudio(Studio studio)
-		{
-			return StudioRepository.Delete(studio);
-		}
-
-		public Task DeletePeople(People people)
-		{
-			return PeopleRepository.Delete(people);
-		}
-		
-		public Task DeleteLibrary(string library)
-		{
-			return LibraryRepository.Delete(library);
-		}
-
-		public Task DeleteCollection(string collection)
-		{
-			return CollectionRepository.Delete(collection);
-		}
-
-		public Task DeleteShow(string show)
-		{
-			return ShowRepository.Delete(show);
-		}
-
-		public Task DeleteSeason(string season)
-		{
-			return SeasonRepository.Delete(season);
-		}
-
-		public Task DeleteEpisode(string episode)
-		{
-			return EpisodeRepository.Delete(episode);
-		}
-
-		public Task DeleteTrack(string track)
-		{
-			return TrackRepository.Delete(track);
-		}
-
-		public Task DeleteGenre(string genre)
-		{
-			return GenreRepository.Delete(genre);
-		}
-
-		public Task DeleteStudio(string studio)
-		{
-			return StudioRepository.Delete(studio);
-		}
-
-		public Task DeletePeople(string people)
-		{
-			return PeopleRepository.Delete(people);
-		}
-		
-		public Task DeleteLibrary(int library)
-		{
-			return LibraryRepository.Delete(library);
-		}
-
-		public Task DeleteCollection(int collection)
-		{
-			return CollectionRepository.Delete(collection);
-		}
-
-		public Task DeleteShow(int show)
-		{
-			return ShowRepository.Delete(show);
-		}
-
-		public Task DeleteSeason(int season)
-		{
-			return SeasonRepository.Delete(season);
-		}
-
-		public Task DeleteEpisode(int episode)
-		{
-			return EpisodeRepository.Delete(episode);
-		}
-
-		public Task DeleteTrack(int track)
-		{
-			return TrackRepository.Delete(track);
-		}
-
-		public Task DeleteGenre(int genre)
-		{
-			return GenreRepository.Delete(genre);
-		}
-
-		public Task DeleteStudio(int studio)
-		{
-			return StudioRepository.Delete(studio);
-		}
-
-		public Task DeletePeople(int people)
-		{
-			return PeopleRepository.Delete(people);
+			return GetRepository<T>().Delete(slug);
 		}
 	}
 }

Kyoo.Common/Models/MetadataID.cs

@@ -6,7 +6,7 @@ namespace Kyoo.Models
 	{
 		[SerializeIgnore] public int ID { get; set; }
 		[SerializeIgnore] public int ProviderID { get; set; }
-		public virtual ProviderID Provider {get; set; }
+		public virtual Provider Provider {get; set; }
 		
 		[SerializeIgnore] public int? ShowID { get; set; } 
 		[SerializeIgnore] public virtual Show Show { get; set; }
@@ -25,7 +25,7 @@ namespace Kyoo.Models
 
 		public MetadataID() { }
 
-		public MetadataID(ProviderID provider, string dataID, string link)
+		public MetadataID(Provider provider, string dataID, string link)
 		{
 			Provider = provider;
 			DataID = dataID;

Kyoo.Common/Models/Resources/Library.cs

@@ -11,20 +11,20 @@ namespace Kyoo.Models
 		public string Name { get; set; }
 		public string[] Paths { get; set; }
 
-		[EditableRelation] [LoadableRelation] public virtual ICollection<ProviderID> Providers { get; set; }
+		[EditableRelation] [LoadableRelation] public virtual ICollection<Provider> Providers { get; set; }
 
 		[LoadableRelation] public virtual ICollection<Show> Shows { get; set; }
 		[LoadableRelation] public virtual ICollection<Collection> Collections { get; set; }
 
 #if ENABLE_INTERNAL_LINKS
-		[SerializeIgnore] public virtual ICollection<Link<Library, ProviderID>> ProviderLinks { get; set; }
+		[SerializeIgnore] public virtual ICollection<Link<Library, Provider>> ProviderLinks { get; set; }
 		[SerializeIgnore] public virtual ICollection<Link<Library, Show>> ShowLinks { get; set; }
 		[SerializeIgnore] public virtual ICollection<Link<Library, Collection>> CollectionLinks { get; set; }
 #endif
 
 		public Library()  { }
 		
-		public Library(string slug, string name, IEnumerable<string> paths, IEnumerable<ProviderID> providers)
+		public Library(string slug, string name, IEnumerable<string> paths, IEnumerable<Provider> providers)
 		{
 			Slug = slug;
 			Name = name;

Kyoo.Common/Models/Resources/Provider.cs

@@ -3,7 +3,7 @@ using Kyoo.Models.Attributes;
 
 namespace Kyoo.Models
 {
-	public class ProviderID : IResource
+	public class Provider : IResource
 	{
 		public int ID { get; set; }
 		public string Slug { get; set; }
@@ -13,20 +13,20 @@ namespace Kyoo.Models
 		[LoadableRelation] public virtual ICollection<Library> Libraries { get; set; }
 		
 #if ENABLE_INTERNAL_LINKS
-		[SerializeIgnore] public virtual ICollection<Link<Library, ProviderID>> LibraryLinks { get; set; }
+		[SerializeIgnore] public virtual ICollection<Link<Library, Provider>> LibraryLinks { get; set; }
 		[SerializeIgnore] public virtual ICollection<MetadataID> MetadataLinks { get; set; }
 #endif
 		
-		public ProviderID() { }
+		public Provider() { }
 
-		public ProviderID(string name, string logo)
+		public Provider(string name, string logo)
 		{
 			Slug = Utility.ToSlug(name);
 			Name = name;
 			Logo = logo;
 		}
 		
-		public ProviderID(int id, string name, string logo)
+		public Provider(int id, string name, string logo)
 		{
 			ID = id;
 			Slug = Utility.ToSlug(name);

Kyoo.Common/Models/WatchItem.cs

@@ -109,18 +109,18 @@ namespace Kyoo.Models
 			if (!ep.Show.IsMovie)
 			{
 				if (ep.EpisodeNumber > 1)
-					previous = await library.GetEpisode(ep.ShowID, ep.SeasonNumber, ep.EpisodeNumber - 1);
+					previous = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber, ep.EpisodeNumber - 1);
 				else if (ep.SeasonNumber > 1)
 				{
-					int count = await library.GetEpisodesCount(x => x.ShowID == ep.ShowID 
+					int count = await library.GetCount<Episode>(x => x.ShowID == ep.ShowID 
 					                                                && x.SeasonNumber == ep.SeasonNumber - 1);
-					previous = await library.GetEpisode(ep.ShowID, ep.SeasonNumber - 1, count);
+					previous = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber - 1, count);
 				}
 
-				if (ep.EpisodeNumber >= await library.GetEpisodesCount(x => x.SeasonID == ep.SeasonID))
-					next = await library.GetEpisode(ep.ShowID, ep.SeasonNumber + 1, 1);
+				if (ep.EpisodeNumber >= await library.GetCount<Episode>(x => x.SeasonID == ep.SeasonID))
+					next = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber + 1, 1);
 				else
-					next = await library.GetEpisode(ep.ShowID, ep.SeasonNumber, ep.EpisodeNumber + 1);
+					next = await library.GetOrDefault(ep.ShowID, ep.SeasonNumber, ep.EpisodeNumber + 1);
 			}
 			
 			return new WatchItem(ep.ID,

Kyoo.CommonAPI/CrudApi.cs

@@ -29,22 +29,28 @@ namespace Kyoo.CommonApi
 		[Authorize(Policy = "Read")]
 		public virtual async Task<ActionResult<T>> Get(int id)
 		{
-			T resource = await _repository.Get(id);
-			if (resource == null)
+			try
+			{
+				return await _repository.Get(id);
+			}
+			catch (ItemNotFound)
+			{
 				return NotFound();
-
-			return resource;
+			}
 		}
 
 		[HttpGet("{slug}")]
 		[Authorize(Policy = "Read")]
 		public virtual async Task<ActionResult<T>> Get(string slug)
 		{
-			T resource = await _repository.Get(slug);
-			if (resource == null)
+			try
+			{
+				return await _repository.Get(slug);
+			}
+			catch (ItemNotFound)
+			{
 				return NotFound();
-			
-			return resource;
+			}
 		}
 
 		[HttpGet("count")]
@@ -113,17 +119,21 @@ namespace Kyoo.CommonApi
 		[HttpPut]
 		[Authorize(Policy = "Write")]
 		public virtual async Task<ActionResult<T>> Edit([FromQuery] bool resetOld, [FromBody] T resource)
+		{
+			try
 			{
 				if (resource.ID > 0)
 					return await _repository.Edit(resource, resetOld);
 
 				T old = await _repository.Get(resource.Slug);
-			if (old == null)
-				return NotFound();
-			
 				resource.ID = old.ID;
 				return await _repository.Edit(resource, resetOld);
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 
 		[HttpPut("{id:int}")]
 		[Authorize(Policy = "Write")]
@@ -143,13 +153,18 @@ namespace Kyoo.CommonApi
 		[HttpPut("{slug}")]
 		[Authorize(Policy = "Write")]
 		public virtual async Task<ActionResult<T>> Edit(string slug, [FromQuery] bool resetOld, [FromBody] T resource)
+		{
+			try
 			{
 				T old = await _repository.Get(slug);
-			if (old == null)
-				return NotFound();
 				resource.ID = old.ID;
 				return await _repository.Edit(resource, resetOld);
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 
 		[HttpDelete("{id:int}")]
 		[Authorize(Policy = "Write")]

Kyoo.CommonAPI/LocalRepository.cs

@@ -12,52 +12,99 @@ using Microsoft.EntityFrameworkCore;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A base class to create repositories using Entity Framework.
+	/// </summary>
+	/// <typeparam name="T">The type of this repository</typeparam>
 	public abstract class LocalRepository<T> : IRepository<T>
 		where T : class, IResource
 	{
+		/// <summary>
+		/// The Entity Framework's Database handle.
+		/// </summary>
 		protected readonly DbContext Database;
 
+		/// <summary>
+		/// The default sort order that will be used for this resource's type.
+		/// </summary>
 		protected abstract Expression<Func<T, object>> DefaultSort { get; }
 		
 		
+		/// <summary>
+		/// Create a new base <see cref="LocalRepository{T}"/> with the given database handle.
+		/// </summary>
+		/// <param name="database">A database connection to load resources of type <see cref="T"/></param>
 		protected LocalRepository(DbContext database)
 		{
 			Database = database;
 		}
 
-		public virtual void Dispose()
+		/// <inheritdoc/>
+		public Type RepositoryType => typeof(T);
+
+		/// <summary>
+		/// Get a resource from it's ID and make the <see cref="Database"/> instance track it.
+		/// </summary>
+		/// <param name="id">The ID of the resource</param>
+		/// <exception cref="ItemNotFound">If the item is not found</exception>
+		/// <returns>The tracked resource with the given ID</returns>
+		protected virtual async Task<T> GetWithTracking(int id)
 		{
-			Database.Dispose();
-			GC.SuppressFinalize(this);
+			T ret = await Database.Set<T>().AsTracking().FirstOrDefaultAsync(x => x.ID == id);
+			if (ret == null)
+				throw new ItemNotFound($"No {typeof(T).Name} found with the id {id}");
+			return ret;
 		}
 		
-		public virtual ValueTask DisposeAsync()
+		/// <inheritdoc/>
+		public virtual async Task<T> Get(int id)
 		{
-			return Database.DisposeAsync();
+			T ret = await GetOrDefault(id);
+			if (ret == null)
+				throw new ItemNotFound($"No {typeof(T).Name} found with the id {id}");
+			return ret;
 		}
 
-		public virtual Task<T> Get(int id)
+		/// <inheritdoc/>
+		public virtual async Task<T> Get(string slug)
+		{
+			T ret = await GetOrDefault(slug);
+			if (ret == null)
+				throw new ItemNotFound($"No {typeof(T).Name} found with the slug {slug}");
+			return ret;
+		}
+
+		/// <inheritdoc/>
+		public virtual async Task<T> Get(Expression<Func<T, bool>> where)
+		{
+			T ret = await GetOrDefault(where);
+			if (ret == null)
+				throw new ItemNotFound($"No {typeof(T).Name} found with the given predicate.");
+			return ret;
+		}
+		
+		/// <inheritdoc />
+		public virtual Task<T> GetOrDefault(int id)
 		{
 			return Database.Set<T>().FirstOrDefaultAsync(x => x.ID == id);
 		}
 		
-		public virtual Task<T> GetWithTracking(int id)
-		{
-			return Database.Set<T>().AsTracking().FirstOrDefaultAsync(x => x.ID == id);
-		}
-
-		public virtual Task<T> Get(string slug)
+		/// <inheritdoc />
+		public virtual Task<T> GetOrDefault(string slug)
 		{
 			return Database.Set<T>().FirstOrDefaultAsync(x => x.Slug == slug);
 		}
 		
-		public virtual Task<T> Get(Expression<Func<T, bool>> predicate)
+		/// <inheritdoc />
+		public virtual Task<T> GetOrDefault(Expression<Func<T, bool>> where)
 		{
-			return Database.Set<T>().FirstOrDefaultAsync(predicate);
+			return Database.Set<T>().FirstOrDefaultAsync(where);
 		}
 
+		/// <inheritdoc/>
 		public abstract Task<ICollection<T>> Search(string query);
 		
+		/// <inheritdoc/>
 		public virtual Task<ICollection<T>> GetAll(Expression<Func<T, bool>> where = null,
 			Sort<T> sort = default,
 			Pagination limit = default)
@@ -65,6 +112,14 @@ namespace Kyoo.Controllers
 			return ApplyFilters(Database.Set<T>(), where, sort, limit);
 		}
 		
+		/// <summary>
+		/// Apply filters to a query to ease sort, pagination & where queries for resources of this repository
+		/// </summary>
+		/// <param name="query">The base query to filter.</param>
+		/// <param name="where">An expression to filter based on arbitrary conditions</param>
+		/// <param name="sort">The sort settings (sort order & sort by)</param>
+		/// <param name="limit">Paginations information (where to start and how many to get)</param>
+		/// <returns>The filtered query</returns>
 		protected Task<ICollection<T>> ApplyFilters(IQueryable<T> query,
 			Expression<Func<T, bool>> where = null,
 			Sort<T> sort = default, 
@@ -73,6 +128,17 @@ namespace Kyoo.Controllers
 			return ApplyFilters(query, Get, DefaultSort, where, sort, limit);
 		}
 		
+		/// <summary>
+		/// Apply filters to a query to ease sort, pagination & where queries for any resources types.
+		/// For resources of type <see cref="T"/>, see <see cref="ApplyFilters"/>
+		/// </summary>
+		/// <param name="get">A function to asynchronously get a resource from the database using it's ID.</param>
+		/// <param name="defaultSort">The default sort order of this resource's type.</param>
+		/// <param name="query">The base query to filter.</param>
+		/// <param name="where">An expression to filter based on arbitrary conditions</param>
+		/// <param name="sort">The sort settings (sort order & sort by)</param>
+		/// <param name="limit">Paginations information (where to start and how many to get)</param>
+		/// <returns>The filtered query</returns>
 		protected async Task<ICollection<TValue>> ApplyFilters<TValue>(IQueryable<TValue> query,
 			Func<int, Task<TValue>> get,
 			Expression<Func<TValue, object>> defaultSort,
@@ -108,6 +174,7 @@ namespace Kyoo.Controllers
 			return await query.ToListAsync();
 		}
 
+		/// <inheritdoc/>
 		public virtual Task<int> GetCount(Expression<Func<T, bool>> where = null)
 		{
 			IQueryable<T> query = Database.Set<T>();
@@ -116,6 +183,7 @@ namespace Kyoo.Controllers
 			return query.CountAsync();
 		}
 
+		/// <inheritdoc/>
 		public virtual async Task<T> Create(T obj)
 		{
 			if (obj == null)
@@ -124,6 +192,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
+		/// <inheritdoc/>
 		public virtual async Task<T> CreateIfNotExists(T obj, bool silentFail = false)
 		{
 			try
@@ -139,10 +208,7 @@ namespace Kyoo.Controllers
 			}
 			catch (DuplicatedItemException)
 			{
-				T old = await Get(obj!.Slug);
-				if (old == null)
-					throw new SystemException("Unknown database state.");
-				return old;
+				return await Get(obj.Slug);
 			}
 			catch
 			{
@@ -152,6 +218,7 @@ namespace Kyoo.Controllers
 			}
 		}
 
+		/// <inheritdoc/>
 		public virtual async Task<T> Edit(T edited, bool resetOld)
 		{
 			if (edited == null)
@@ -162,8 +229,6 @@ namespace Kyoo.Controllers
 			try
 			{
 				T old = await GetWithTracking(edited.ID);
-				if (old == null)
-					throw new ItemNotFound($"No resource found with the ID {edited.ID}.");
 			
 				if (resetOld)
 					Utility.Nullify(old);
@@ -178,11 +243,24 @@ namespace Kyoo.Controllers
 			}
 		}
 		
+		/// <summary>
+		/// An overridable method to edit relatiosn of a resource.
+		/// </summary>
+		/// <param name="resource">The non edited resource</param>
+		/// <param name="changed">The new version of <see cref="resource"/>. This item will be saved on the databse and replace <see cref="resource"/></param>
+		/// <param name="resetOld">A boolean to indicate if all values of resource should be discarded or not.</param>
+		/// <returns></returns>
 		protected virtual Task EditRelations(T resource, T changed, bool resetOld)
 		{
 			return Validate(resource);
 		}
 		
+		/// <summary>
+		/// A method called just before saving a new resource to the database.
+		/// It is also called on the default implementation of <see cref="EditRelations"/>
+		/// </summary>
+		/// <param name="resource">The resource that will be saved</param>
+		/// <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 (string.IsNullOrEmpty(resource.Slug))
@@ -205,38 +283,45 @@ namespace Kyoo.Controllers
 			return Task.CompletedTask;
 		}
 
+		/// <inheritdoc/>
 		public virtual async Task Delete(int id)
 		{
 			T resource = await Get(id);
 			await Delete(resource);
 		}
 
+		/// <inheritdoc/>
 		public virtual async Task Delete(string slug)
 		{
 			T resource = await Get(slug);
 			await Delete(resource);
 		}
 
+		/// <inheritdoc/>
 		public abstract Task Delete(T obj);
 		
+		/// <inheritdoc/>
 		public virtual async Task DeleteRange(IEnumerable<T> objs)
 		{
 			foreach (T obj in objs)
 				await Delete(obj);
 		}
 		
+		/// <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);

Kyoo.CommonAPI/ResourceViewAttribute.cs

@@ -10,7 +10,6 @@ using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Controllers;
 using Microsoft.AspNetCore.Mvc.Filters;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Options;
 
 namespace Kyoo.CommonApi
 {
@@ -77,7 +76,7 @@ namespace Kyoo.CommonApi
 			if (result.DeclaredType == null)
 				return;
 
-			await using ILibraryManager library = context.HttpContext.RequestServices.GetService<ILibraryManager>();
+			ILibraryManager library = context.HttpContext.RequestServices.GetService<ILibraryManager>();
 			ICollection<string> fields = (ICollection<string>)context.HttpContext.Items["fields"];
 			Type pageType = Utility.GetGenericDefinition(result.DeclaredType, typeof(Page<>));
 

Kyoo.Tests/Kyoo.Tests.csproj

@@ -10,6 +10,10 @@
 	</PropertyGroup>
 
 	<ItemGroup>
+		<PackageReference Include="coverlet.msbuild" Version="3.0.3">
+			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+			<PrivateAssets>all</PrivateAssets>
+		</PackageReference>
 		<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="5.0.4" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
 		<PackageReference Include="xunit" Version="2.4.1" />

Kyoo.Tests/Library/SetupTests.cs

@@ -0,0 +1,20 @@
+using System.Linq;
+using Xunit;
+
+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/TestContext.cs

@@ -0,0 +1,79 @@
+using Kyoo.Models;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+
+namespace Kyoo.Tests
+{
+	/// <summary>
+	/// Class responsible to fill and create in memory databases for unit tests.
+	/// </summary>
+	public class TestContext
+	{
+		/// <summary>
+		/// The context's options that specify to use an in memory Sqlite database.
+		/// </summary>
+		private readonly DbContextOptions<DatabaseContext> _context;
+		
+		/// <summary>
+		/// Create a new database and fill it with informations.
+		/// </summary>
+		public TestContext()
+		{
+			SqliteConnection connection = new("DataSource=:memory:");
+			connection.Open();
+
+			try
+			{
+				_context = new DbContextOptionsBuilder<DatabaseContext>()
+					.UseSqlite(connection)
+					.Options;
+				FillDatabase();
+			}
+			finally
+			{
+				connection.Close();
+			}
+		}
+
+		/// <summary>
+		/// Fill the database with pre defined values using a clean context.
+		/// </summary>
+		private void FillDatabase()
+		{
+			using DatabaseContext context = new(_context);
+			context.Shows.Add(new Show
+			{
+				ID = 67,
+				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,
+				StartYear = 2011,
+				EndYear = 2011,
+				Poster = "poster",
+				Logo = "logo",
+				Backdrop = "backdrop",
+				IsMovie = false,
+				Studio = null
+			});
+		}
+
+		/// <summary>
+		/// Get a new databse context connected to a in memory Sqlite databse.
+		/// </summary>
+		/// <returns>A valid DatabaseContext</returns>
+		public DatabaseContext New()
+		{
+			return new(_context);
+		}
+	}
+}

Kyoo/Controllers/Repositories/CollectionRepository.cs

@@ -8,34 +8,30 @@ using Microsoft.EntityFrameworkCore;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository to handle collections
+	/// </summary>
 	public class CollectionRepository : LocalRepository<Collection>, ICollectionRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The database handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		
+		/// <inheritdoc />
 		protected override Expression<Func<Collection, object>> DefaultSort => x => x.Name;
 
-		public CollectionRepository(DatabaseContext database) : base(database)
+		/// <summary>
+		/// Create a new <see cref="CollectionRepository"/>.
+		/// </summary>
+		/// <param name="database">The database handle to use</param>
+		public CollectionRepository(DatabaseContext database)
+			: base(database)
 		{
 			_database = database;
 		}
 
-		public override void Dispose()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
-			GC.SuppressFinalize(this);
-		}
-
-		public override async ValueTask DisposeAsync()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
-		}
-		
+		/// <inheritdoc />
 		public override async Task<ICollection<Collection>> Search(string query)
 		{
 			return await _database.Collections
@@ -45,6 +41,7 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
+		/// <inheritdoc />
 		public override async Task<Collection> Create(Collection obj)
 		{
 			await base.Create(obj);
@@ -53,6 +50,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
+		/// <inheritdoc />
 		public override async Task Delete(Collection obj)
 		{
 			if (obj == null)

Kyoo/Controllers/Repositories/EpisodeRepository.cs

@@ -5,20 +5,44 @@ 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
 {
+	/// <summary>
+	/// A local repository to handle episodes.
+	/// </summary>
 	public class EpisodeRepository : LocalRepository<Episode>, IEpisodeRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The databse handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		/// <summary>
+		/// 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 track repository to handle creation and deletion of tracks related to the current episode.
+		/// </summary>
 		private readonly ITrackRepository _tracks;
+		
+		/// <inheritdoc />
 		protected override Expression<Func<Episode, object>> DefaultSort => x => x.EpisodeNumber;
 
 
+		/// <summary>
+		/// Create a new <see cref="EpisodeRepository"/>.
+		/// </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,
@@ -32,60 +56,44 @@ namespace Kyoo.Controllers
 		}
 		
 
-		public override void Dispose()
+		/// <inheritdoc />
+		public override async Task<Episode> GetOrDefault(int id)
 		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
-			_providers.Dispose();
-			_shows.Dispose();
-			GC.SuppressFinalize(this);
-		}
-
-		public override async ValueTask DisposeAsync()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
-			await _providers.DisposeAsync();
-			await _shows.DisposeAsync();
-		}
-
-		public override async Task<Episode> Get(int id)
-		{
-			Episode ret = await base.Get(id);
+			Episode ret = await base.GetOrDefault(id);
 			if (ret != null)
 				ret.ShowSlug = await _shows.GetSlug(ret.ShowID);
 			return ret;
 		}
 
-		public override async Task<Episode> Get(string slug)
+		/// <inheritdoc />
+		public override async Task<Episode> GetOrDefault(string slug)
 		{
 			Match match = Regex.Match(slug, @"(?<show>.*)-s(?<season>\d*)e(?<episode>\d*)");
 
 			if (match.Success)
 			{
-				return await Get(match.Groups["show"].Value,
+				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;
 		}
 
-		public override async Task<Episode> Get(Expression<Func<Episode, bool>> predicate)
+		/// <inheritdoc />
+		public override async Task<Episode> GetOrDefault(Expression<Func<Episode, bool>> where)
 		{
-			Episode ret = await base.Get(predicate);
+			Episode ret = await base.GetOrDefault(where);
 			if (ret != null)
 				ret.ShowSlug = await _shows.GetSlug(ret.ShowID);
 			return ret;
 		}
 
-		public async Task<Episode> Get(string showSlug, int seasonNumber, int episodeNumber)
+		/// <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 
@@ -95,7 +103,26 @@ namespace Kyoo.Controllers
 			return ret;
 		}
 
+		/// <inheritdoc />
 		public async Task<Episode> Get(int showID, int seasonNumber, int episodeNumber)
+		{
+			Episode ret = await GetOrDefault(showID, seasonNumber, episodeNumber);
+			if (ret == null)
+				throw new ItemNotFound($"No episode S{seasonNumber}E{episodeNumber} found on the show {showID}.");
+			return ret;
+		}
+
+		/// <inheritdoc />
+		public async Task<Episode> Get(string showSlug, int seasonNumber, int episodeNumber)
+		{
+			Episode ret = await GetOrDefault(showSlug, seasonNumber, episodeNumber);
+			if (ret == null)
+				throw new ItemNotFound($"No episode S{seasonNumber}E{episodeNumber} found on the show {showSlug}.");
+			return ret;
+		}
+
+		/// <inheritdoc />
+		public async Task<Episode> GetOrDefault(int showID, int seasonNumber, int episodeNumber)
 		{
 			Episode ret = await _database.Episodes.FirstOrDefaultAsync(x => x.ShowID == showID 
 			                                                                && x.SeasonNumber == seasonNumber 
@@ -105,15 +132,7 @@ namespace Kyoo.Controllers
 			return ret;
 		}
 
-		public async Task<Episode> Get(int seasonID, int episodeNumber)
-		{
-			Episode ret = await _database.Episodes.FirstOrDefaultAsync(x => x.SeasonID == seasonID 
-			                                                                && x.EpisodeNumber == episodeNumber);
-			if (ret != null)
-				ret.ShowSlug = await _shows.GetSlug(ret.ShowID);
-			return ret;
-		}
-
+		/// <inheritdoc />
 		public async Task<Episode> GetAbsolute(int showID, int absoluteNumber)
 		{
 			Episode ret = await _database.Episodes.FirstOrDefaultAsync(x => x.ShowID == showID 
@@ -123,6 +142,7 @@ namespace Kyoo.Controllers
 			return ret;
 		}
 
+		/// <inheritdoc />
 		public async Task<Episode> GetAbsolute(string showSlug, int absoluteNumber)
 		{
 			Episode ret = await _database.Episodes.FirstOrDefaultAsync(x => x.Show.Slug == showSlug 
@@ -132,6 +152,7 @@ namespace Kyoo.Controllers
 			return ret;
 		}
 
+		/// <inheritdoc />
 		public override async Task<ICollection<Episode>> Search(string query)
 		{
 			List<Episode> episodes = await _database.Episodes
@@ -144,6 +165,7 @@ namespace Kyoo.Controllers
 			return episodes;
 		}
 		
+		/// <inheritdoc />
 		public override async Task<ICollection<Episode>> GetAll(Expression<Func<Episode, bool>> where = null, 
 			Sort<Episode> sort = default, 
 			Pagination limit = default)
@@ -154,6 +176,7 @@ namespace Kyoo.Controllers
 			return episodes;
 		}
 
+		/// <inheritdoc />
 		public override async Task<Episode> Create(Episode obj)
 		{
 			await base.Create(obj);
@@ -163,6 +186,7 @@ namespace Kyoo.Controllers
 			return await ValidateTracks(obj);
 		}
 
+		/// <inheritdoc />
 		protected override async Task EditRelations(Episode resource, Episode changed, bool resetOld)
 		{
 			if (resource.ShowID <= 0)
@@ -184,6 +208,11 @@ namespace Kyoo.Controllers
 			await Validate(resource);
 		}
 
+		/// <summary>
+		/// 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>
 		private async Task<Episode> ValidateTracks(Episode resource)
 		{
 			resource.Tracks = await resource.Tracks.MapAsync((x, i) =>
@@ -198,6 +227,7 @@ namespace Kyoo.Controllers
 			return resource;
 		}
 		
+		/// <inheritdoc />
 		protected override async Task Validate(Episode resource)
 		{
 			await base.Validate(resource);
@@ -210,12 +240,7 @@ namespace Kyoo.Controllers
 			}).ToListAsync();
 		}
 		
-		public async Task Delete(string showSlug, int seasonNumber, int episodeNumber)
-		{
-			Episode obj = await Get(showSlug, seasonNumber, episodeNumber);
-			await Delete(obj);
-		}
-
+		/// <inheritdoc />
 		public override async Task Delete(Episode obj)
 		{
 			if (obj == null)

Kyoo/Controllers/Repositories/GenreRepository.cs

@@ -8,35 +8,31 @@ using Microsoft.EntityFrameworkCore;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository for genres.
+	/// </summary>
 	public class GenreRepository : LocalRepository<Genre>, IGenreRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The database handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		
+		/// <inheritdoc />
 		protected override Expression<Func<Genre, object>> DefaultSort => x => x.Slug;
 		
 		
-		public GenreRepository(DatabaseContext database) : base(database)
+		/// <summary>
+		/// Create a new <see cref="GenreRepository"/>.
+		/// </summary>
+		/// <param name="database">The database handle</param>
+		public GenreRepository(DatabaseContext database)
+			: base(database)
 		{
 			_database = database;
 		}
 
-		public override void Dispose()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
-			GC.SuppressFinalize(this);
-		}
-
-		public override async ValueTask DisposeAsync()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
-		}
-
+		/// <inheritdoc />
 		public override async Task<ICollection<Genre>> Search(string query)
 		{
 			return await _database.Genres
@@ -46,6 +42,7 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
+		/// <inheritdoc />
 		public override async Task<Genre> Create(Genre obj)
 		{
 			await base.Create(obj);
@@ -54,6 +51,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
+		/// <inheritdoc />
 		public override async Task Delete(Genre obj)
 		{
 			if (obj == null)

Kyoo/Controllers/Repositories/LibraryItemRepository.cs

@@ -10,18 +10,45 @@ using Microsoft.Extensions.DependencyInjection;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository to handle library items.
+	/// </summary>
 	public class LibraryItemRepository : LocalRepository<LibraryItem>, ILibraryItemRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The database handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		/// <summary>
+		/// A provider repository to handle externalID creation and deletion
+		/// </summary>
 		private readonly IProviderRepository _providers;
+		/// <summary>
+		/// 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;
 
 
-		public LibraryItemRepository(DatabaseContext database, IProviderRepository providers, IServiceProvider services)
+		/// <summary>
+		/// Create a new <see cref="LibraryItemRepository"/>.
+		/// </summary>
+		/// <param name="database">The databse instance</param>
+		/// <param name="providers">A provider repository</param>
+		/// <param name="services">A service provider to lazilly request a library, show or collection repository.</param>
+		public LibraryItemRepository(DatabaseContext database, 
+			IProviderRepository providers,
+			IServiceProvider services)
 			: base(database)
 		{
 			_database = database;
@@ -31,45 +58,25 @@ namespace Kyoo.Controllers
 			_collections = new Lazy<ICollectionRepository>(services.GetRequiredService<ICollectionRepository>);
 		}
 
-		public override void Dispose()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
-			_providers.Dispose();
-			if (_shows.IsValueCreated)
-				_shows.Value.Dispose();
-			if (_collections.IsValueCreated)
-				_collections.Value.Dispose();
-			GC.SuppressFinalize(this);
-		}
 		
-		public override async ValueTask DisposeAsync()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
-			await _providers.DisposeAsync();
-			if (_shows.IsValueCreated)
-				await _shows.Value.DisposeAsync();
-			if (_collections.IsValueCreated)
-				await _collections.Value.DisposeAsync();
-		}
-		
-		public override async Task<LibraryItem> Get(int id)
+		/// <inheritdoc />
+		public override async Task<LibraryItem> GetOrDefault(int id)
 		{
 			return id > 0 
-				? new LibraryItem(await _shows.Value.Get(id)) 
-				: new LibraryItem(await _collections.Value.Get(-id));
+				? new LibraryItem(await _shows.Value.GetOrDefault(id)) 
+				: new LibraryItem(await _collections.Value.GetOrDefault(-id));
 		}
 		
-		public override Task<LibraryItem> Get(string slug)
+		/// <inheritdoc />
+		public override Task<LibraryItem> GetOrDefault(string slug)
 		{
-			throw new InvalidOperationException();
+			throw new InvalidOperationException("You can't get a library item by a 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())
@@ -77,6 +84,7 @@ namespace Kyoo.Controllers
 				.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)
@@ -84,6 +92,7 @@ namespace Kyoo.Controllers
 			return ApplyFilters(ItemsQuery, where, sort, limit);
 		}
 
+		/// <inheritdoc />
 		public override Task<int> GetCount(Expression<Func<LibraryItem, bool>> where = null)
 		{
 			IQueryable<LibraryItem> query = ItemsQuery;
@@ -92,6 +101,7 @@ namespace Kyoo.Controllers
 			return query.CountAsync();
 		}
 
+		/// <inheritdoc />
 		public override async Task<ICollection<LibraryItem>> Search(string query)
 		{
 			return await ItemsQuery
@@ -101,19 +111,31 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
+		/// <inheritdoc />
 		public override Task<LibraryItem> Create(LibraryItem obj) => throw new InvalidOperationException();
 
+		/// <inheritdoc />
 		public override Task<LibraryItem> CreateIfNotExists(LibraryItem obj, bool silentFail = false)
 		{
 			if (silentFail)
 				return Task.FromResult<LibraryItem>(default);
 			throw new InvalidOperationException();
 		}
+		/// <inheritdoc />
 		public override Task<LibraryItem> Edit(LibraryItem obj, bool reset) => throw new InvalidOperationException();
+		/// <inheritdoc />
 		public override Task Delete(int id) => throw new InvalidOperationException();
+		/// <inheritdoc />
 		public override Task Delete(string slug) => throw new InvalidOperationException();
+		/// <inheritdoc />
 		public override Task Delete(LibraryItem obj) => throw new InvalidOperationException();
 
+		/// <summary>
+		/// Get a basic queryable for a library with the right mapping from shows & collections.
+		/// Shows contained in a collection are excluded.
+		/// </summary>
+		/// <param name="selector">Only items that are part of a library that match this predicate will be returned.</param>
+		/// <returns>A queryable containing items that are part of a library matching the selector.</returns>
 		private IQueryable<LibraryItem> LibraryRelatedQuery(Expression<Func<Library, bool>> selector)
 			=> _database.Libraries
 				.Where(selector)
@@ -125,6 +147,7 @@ namespace Kyoo.Controllers
 					.SelectMany(x => x.Collections)
 					.Select(LibraryItem.FromCollection));
 
+		/// <inheritdoc />
 		public async Task<ICollection<LibraryItem>> GetFromLibrary(int id,
 			Expression<Func<LibraryItem, bool>> where = null, 
 			Sort<LibraryItem> sort = default, 
@@ -134,11 +157,12 @@ namespace Kyoo.Controllers
 				where,
 				sort,
 				limit);
-			if (!items.Any() && await _libraries.Value.Get(id) == null)
+			if (!items.Any() && await _libraries.Value.GetOrDefault(id) == null)
 				throw new ItemNotFound();
 			return items;
 		}
 		
+		/// <inheritdoc />
 		public async Task<ICollection<LibraryItem>> GetFromLibrary(string slug,
 			Expression<Func<LibraryItem, bool>> where = null, 
 			Sort<LibraryItem> sort = default, 
@@ -148,7 +172,7 @@ namespace Kyoo.Controllers
 				where,
 				sort,
 				limit);
-			if (!items.Any() && await _libraries.Value.Get(slug) == null)
+			if (!items.Any() && await _libraries.Value.GetOrDefault(slug) == null)
 				throw new ItemNotFound();
 			return items;
 		}

Kyoo/Controllers/Repositories/LibraryRepository.cs

@@ -8,14 +8,29 @@ using Microsoft.EntityFrameworkCore;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository to handle libraries.
+	/// </summary>
 	public class LibraryRepository : LocalRepository<Library>, ILibraryRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The database handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		/// <summary>
+		/// A provider repository to handle externalID creation and deletion
+		/// </summary>
 		private readonly IProviderRepository _providers;
+		
+		/// <inheritdoc />
 		protected override Expression<Func<Library, object>> DefaultSort => x => x.ID;
 
 
+		/// <summary>
+		/// Create a new <see cref="LibraryRepository"/> instance.
+		/// </summary>
+		/// <param name="database">The database handle</param>
+		/// <param name="providers">The providere repository</param>
 		public LibraryRepository(DatabaseContext database, IProviderRepository providers)
 			: base(database)
 		{
@@ -23,25 +38,8 @@ namespace Kyoo.Controllers
 			_providers = providers;
 		}
 
-		public override void Dispose()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
-			_providers.Dispose();
-			GC.SuppressFinalize(this);
-		}
-
-		public override async ValueTask DisposeAsync()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
-			await _providers.DisposeAsync();
-		}
 		
+		/// <inheritdoc />
 		public override async Task<ICollection<Library>> Search(string query)
 		{
 			return await _database.Libraries
@@ -51,6 +49,7 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
+		/// <inheritdoc />
 		public override async Task<Library> Create(Library obj)
 		{
 			await base.Create(obj);
@@ -61,6 +60,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
+		/// <inheritdoc />
 		protected override async Task Validate(Library resource)
 		{
 			await base.Validate(resource);
@@ -69,6 +69,7 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
+		/// <inheritdoc />
 		protected override async Task EditRelations(Library resource, Library changed, bool resetOld)
 		{
 			if (string.IsNullOrEmpty(resource.Slug))
@@ -86,6 +87,7 @@ namespace Kyoo.Controllers
 			}
 		}
 
+		/// <inheritdoc />
 		public override async Task Delete(Library obj)
 		{
 			if (obj == null)

Kyoo/Controllers/Repositories/PeopleRepository.cs

@@ -10,15 +10,36 @@ using Microsoft.Extensions.DependencyInjection;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository to handle people.
+	/// </summary>
 	public class PeopleRepository : LocalRepository<People>, IPeopleRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The database handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		/// <summary>
+		/// A provider repository to handle externalID creation and deletion
+		/// </summary>
 		private readonly IProviderRepository _providers;
+		/// <summary>
+		/// A lazy loaded show repository to validate requests from shows.
+		/// </summary>
 		private readonly Lazy<IShowRepository> _shows;
+		
+		/// <inheritdoc />
 		protected override Expression<Func<People, object>> DefaultSort => x => x.Name;
 
-		public PeopleRepository(DatabaseContext database, IProviderRepository providers, IServiceProvider services) 
+		/// <summary>
+		/// Create a new <see cref="PeopleRepository"/>
+		/// </summary>
+		/// <param name="database">The database handle</param>
+		/// <param name="providers">A provider repository</param>
+		/// <param name="services">A service provider to lazy load a show repository</param>
+		public PeopleRepository(DatabaseContext database,
+			IProviderRepository providers,
+			IServiceProvider services) 
 			: base(database)
 		{
 			_database = database;
@@ -27,29 +48,7 @@ namespace Kyoo.Controllers
 		}
 		
 
-		public override void Dispose()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
-			_providers.Dispose();
-			if (_shows.IsValueCreated)
-				_shows.Value.Dispose();
-			GC.SuppressFinalize(this);
-		}
-
-		public override async ValueTask DisposeAsync()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
-			await _providers.DisposeAsync();
-			if (_shows.IsValueCreated)
-				await _shows.Value.DisposeAsync();
-		}
-
+		/// <inheritdoc />
 		public override async Task<ICollection<People>> Search(string query)
 		{
 			return await _database.People
@@ -59,6 +58,7 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
+		/// <inheritdoc />
 		public override async Task<People> Create(People obj)
 		{
 			await base.Create(obj);
@@ -68,6 +68,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
+		/// <inheritdoc />
 		protected override async Task Validate(People resource)
 		{
 			await base.Validate(resource);
@@ -85,6 +86,7 @@ namespace Kyoo.Controllers
 			});
 		}
 
+		/// <inheritdoc />
 		protected override async Task EditRelations(People resource, People changed, bool resetOld)
 		{
 			if (changed.Roles != null || resetOld)
@@ -102,6 +104,7 @@ namespace Kyoo.Controllers
 			await base.EditRelations(resource, changed, resetOld);
 		}
 
+		/// <inheritdoc />
 		public override async Task Delete(People obj)
 		{
 			if (obj == null)
@@ -113,6 +116,7 @@ namespace Kyoo.Controllers
 			await _database.SaveChangesAsync();
 		}
 
+		/// <inheritdoc />
 		public async Task<ICollection<PeopleRole>> GetFromShow(int showID, 
 			Expression<Func<PeopleRole, bool>> where = null, 
 			Sort<PeopleRole> sort = default, 
@@ -133,6 +137,7 @@ namespace Kyoo.Controllers
 			return people;
 		}
 
+		/// <inheritdoc />
 		public async Task<ICollection<PeopleRole>> GetFromShow(string showSlug,
 			Expression<Func<PeopleRole, bool>> where = null,
 			Sort<PeopleRole> sort = default, 
@@ -154,24 +159,26 @@ namespace Kyoo.Controllers
 			return people;
 		}
 		
-		public async Task<ICollection<PeopleRole>> GetFromPeople(int peopleID,
+		/// <inheritdoc />
+		public async Task<ICollection<PeopleRole>> GetFromPeople(int id,
 			Expression<Func<PeopleRole, bool>> where = null,
 			Sort<PeopleRole> sort = default, 
 			Pagination limit = default)
 		{
 			ICollection<PeopleRole> roles = await ApplyFilters(_database.PeopleRoles
-					.Where(x => x.PeopleID == peopleID)
+					.Where(x => x.PeopleID == id)
 					.Include(x => x.Show),
-				id => _database.PeopleRoles.FirstOrDefaultAsync(x => x.ID == id),
+				y => _database.PeopleRoles.FirstOrDefaultAsync(x => x.ID == y),
 				x => x.Show.Title,
 				where,
 				sort,
 				limit);
-			if (!roles.Any() && await Get(peopleID) == null)
+			if (!roles.Any() && await Get(id) == null)
 				throw new ItemNotFound();
 			return roles;
 		}
 		
+		/// <inheritdoc />
 		public async Task<ICollection<PeopleRole>> GetFromPeople(string slug,
 			Expression<Func<PeopleRole, bool>> where = null,
 			Sort<PeopleRole> sort = default, 

Kyoo/Controllers/Repositories/ProviderRepository.cs

@@ -8,18 +8,32 @@ using Microsoft.EntityFrameworkCore;
 
 namespace Kyoo.Controllers
 {
-	public class ProviderRepository : LocalRepository<ProviderID>, IProviderRepository
+	/// <summary>
+	/// A local repository to handle providers.
+	/// </summary>
+	public class ProviderRepository : LocalRepository<Provider>, IProviderRepository
 	{
+		/// <summary>
+		/// The database handle
+		/// </summary>
 		private readonly DatabaseContext _database;
-		protected override Expression<Func<ProviderID, object>> DefaultSort => x => x.Slug;
+		
+		/// <inheritdoc />
+		protected override Expression<Func<Provider, object>> DefaultSort => x => x.Slug;
 
 
-		public ProviderRepository(DatabaseContext database) : base(database)
+		/// <summary>
+		/// Create a new <see cref="ProviderRepository"/>.
+		/// </summary>
+		/// <param name="database">The database handle</param>
+		public ProviderRepository(DatabaseContext database)
+			: base(database)
 		{
 			_database = database;
 		}
 
-		public override async Task<ICollection<ProviderID>> Search(string query)
+		/// <inheritdoc />
+		public override async Task<ICollection<Provider>> Search(string query)
 		{
 			return await _database.Providers
 				.Where(x => EF.Functions.ILike(x.Name, $"%{query}%"))
@@ -28,7 +42,8 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
-		public override async Task<ProviderID> Create(ProviderID obj)
+		/// <inheritdoc />
+		public override async Task<Provider> Create(Provider obj)
 		{
 			await base.Create(obj);
 			_database.Entry(obj).State = EntityState.Added;
@@ -36,7 +51,8 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
-		public override async Task Delete(ProviderID obj)
+		/// <inheritdoc />
+		public override async Task Delete(Provider obj)
 		{
 			if (obj == null)
 				throw new ArgumentNullException(nameof(obj));
@@ -46,6 +62,7 @@ namespace Kyoo.Controllers
 			await _database.SaveChangesAsync();
 		}
 
+		/// <inheritdoc />
 		public Task<ICollection<MetadataID>> GetMetadataID(Expression<Func<MetadataID, bool>> where = null,
 			Sort<MetadataID> sort = default, 
 			Pagination limit = default)

Kyoo/Controllers/Repositories/SeasonRepository.cs

@@ -5,21 +5,46 @@ using System.Linq.Expressions;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Kyoo.Models;
+using Kyoo.Models.Exceptions;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository to handle seasons.
+	/// </summary>
 	public class SeasonRepository : LocalRepository<Season>, ISeasonRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The database handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		/// <summary>
+		/// 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
+		/// 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="services">A service provider to lazilly request an episode repository.</param>
 		public SeasonRepository(DatabaseContext database,
 			IProviderRepository providers,
 			IShowRepository shows,
@@ -33,47 +58,23 @@ namespace Kyoo.Controllers
 		}
 		
 
-		public override void Dispose()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
-			_providers.Dispose();
-			_shows.Dispose();
-			if (_episodes.IsValueCreated)
-				_episodes.Value.Dispose();
-			GC.SuppressFinalize(this);
-		}
-
-		public override async ValueTask DisposeAsync()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
-			await _providers.DisposeAsync();
-			await _shows.DisposeAsync();
-			if (_episodes.IsValueCreated)
-				await _episodes.Value.DisposeAsync();
-		}
-
+		/// <inheritdoc/>
 		public override async Task<Season> Get(int id)
 		{
 			Season ret = await base.Get(id);
-			if (ret != null)
 			ret.ShowSlug = await _shows.GetSlug(ret.ShowID);
 			return ret;
 		}
 
-		public override async Task<Season> Get(Expression<Func<Season, bool>> predicate)
+		/// <inheritdoc/>
+		public override async Task<Season> Get(Expression<Func<Season, bool>> where)
 		{
-			Season ret = await base.Get(predicate);
-			if (ret != null)
+			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*)");
@@ -83,24 +84,41 @@ namespace Kyoo.Controllers
 			return Get(match.Groups["show"].Value, int.Parse(match.Groups["season"].Value));
 		}
 		
+		/// <inheritdoc/>
 		public async Task<Season> Get(int showID, int seasonNumber)
 		{
-			Season ret = await _database.Seasons.FirstOrDefaultAsync(x => x.ShowID == showID 
-			                                                              && x.SeasonNumber == seasonNumber);
-			if (ret != null)
+			Season ret = await GetOrDefault(showID, seasonNumber);
+			if (ret == null)
+				throw new ItemNotFound($"No season {seasonNumber} found for the show {showID}");
 			ret.ShowSlug = await _shows.GetSlug(showID);
 			return ret;
 		}
 		
+		/// <inheritdoc/>
 		public async Task<Season> Get(string showSlug, int seasonNumber)
 		{
-			Season ret = await _database.Seasons.FirstOrDefaultAsync(x => x.Show.Slug == showSlug 
-			                                                        && x.SeasonNumber == seasonNumber);
-			if (ret != null)
+			Season ret = await GetOrDefault(showSlug, seasonNumber);
+			if (ret == null)
+				throw new ItemNotFound($"No season {seasonNumber} found for the show {showSlug}");
 			ret.ShowSlug = showSlug;
 			return ret;
 		}
 
+		/// <inheritdoc/>
+		public Task<Season> GetOrDefault(int showID, int seasonNumber)
+		{
+			return _database.Seasons.FirstOrDefaultAsync(x => x.ShowID == showID 
+			                                                  && x.SeasonNumber == seasonNumber);
+		}
+
+		/// <inheritdoc/>
+		public Task<Season> GetOrDefault(string showSlug, int seasonNumber)
+		{
+			return _database.Seasons.FirstOrDefaultAsync(x => x.Show.Slug == showSlug 
+			                                                  && x.SeasonNumber == seasonNumber);
+		}
+
+		/// <inheritdoc/>
 		public override async Task<ICollection<Season>> Search(string query)
 		{
 			List<Season> seasons = await _database.Seasons
@@ -113,6 +131,7 @@ namespace Kyoo.Controllers
 			return seasons;
 		}
 		
+		/// <inheritdoc/>
 		public override async Task<ICollection<Season>> GetAll(Expression<Func<Season, bool>> where = null,
 			Sort<Season> sort = default, 
 			Pagination limit = default)
@@ -123,6 +142,7 @@ namespace Kyoo.Controllers
 			return seasons;
 		}
 		
+		/// <inheritdoc/>
 		public override async Task<Season> Create(Season obj)
 		{
 			await base.Create(obj);
@@ -132,6 +152,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
+		/// <inheritdoc/>
 		protected override async Task Validate(Season resource)
 		{
 			if (resource.ShowID <= 0)
@@ -146,6 +167,7 @@ namespace Kyoo.Controllers
 			});
 		}
 
+		/// <inheritdoc/>
 		protected override async Task EditRelations(Season resource, Season changed, bool resetOld)
 		{
 			if (changed.ExternalIDs != null || resetOld)
@@ -156,12 +178,7 @@ namespace Kyoo.Controllers
 			await base.EditRelations(resource, changed, resetOld);
 		}
 		
-		public async Task Delete(string showSlug, int seasonNumber)
-		{
-			Season obj = await Get(showSlug, seasonNumber);
-			await Delete(obj);
-		}
-
+		/// <inheritdoc/>
 		public override async Task Delete(Season obj)
 		{
 			if (obj == null)

Kyoo/Controllers/Repositories/ShowRepository.cs

@@ -9,18 +9,52 @@ using Microsoft.Extensions.DependencyInjection;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository to handle shows
+	/// </summary>
 	public class ShowRepository : LocalRepository<Show>, IShowRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The databse handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		/// <summary>
+		/// A studio repository to handle creation/validation of related studios.
+		/// </summary>
 		private readonly IStudioRepository _studios;
+		/// <summary>
+		/// A people repository to handle creation/validation of related people.
+		/// </summary>
 		private readonly IPeopleRepository _people;
+		/// <summary>
+		/// A genres repository to handle creation/validation of related genres.
+		/// </summary>
 		private readonly IGenreRepository _genres;
+		/// <summary>
+		/// 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;
 
+		/// <summary>
+		/// Create a new <see cref="ShowRepository"/>.
+		/// </summary>
+		/// <param name="database">The database handle to use</param>
+		/// <param name="studios">A studio repository</param>
+		/// <param name="people">A people repository</param>
+		/// <param name="genres">A genres repository</param>
+		/// <param name="providers">A provider repository</param>
+		/// <param name="services">A service provider to lazilly request a season and an episode repository</param>
 		public ShowRepository(DatabaseContext database,
 			IStudioRepository studios,
 			IPeopleRepository people, 
@@ -38,39 +72,8 @@ namespace Kyoo.Controllers
 			_episodes = new Lazy<IEpisodeRepository>(services.GetRequiredService<IEpisodeRepository>);
 		}
 		
-		public override void Dispose()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
-			_studios.Dispose();
-			_people.Dispose();
-			_genres.Dispose();
-			_providers.Dispose();
-			if (_seasons.IsValueCreated)
-				_seasons.Value.Dispose();
-			if (_episodes.IsValueCreated)
-				_episodes.Value.Dispose();
-			GC.SuppressFinalize(this);
-		}
-
-		public override async ValueTask DisposeAsync()
-		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
-			await _studios.DisposeAsync();
-			await _people.DisposeAsync();
-			await _genres.DisposeAsync();
-			await _providers.DisposeAsync();
-			if (_seasons.IsValueCreated)
-				await _seasons.Value.DisposeAsync();
-			if (_episodes.IsValueCreated)
-				await _episodes.Value.DisposeAsync();
-		}
 
+		/// <inheritdoc />
 		public override async Task<ICollection<Show>> Search(string query)
 		{
 			query = $"%{query}%";
@@ -83,6 +86,7 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
+		/// <inheritdoc />
 		public override async Task<Show> Create(Show obj)
 		{
 			await base.Create(obj);
@@ -94,6 +98,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 		
+		/// <inheritdoc />
 		protected override async Task Validate(Show resource)
 		{
 			await base.Validate(resource);
@@ -119,6 +124,7 @@ namespace Kyoo.Controllers
 			});
 		}
 
+		/// <inheritdoc />
 		protected override async Task EditRelations(Show resource, Show changed, bool resetOld)
 		{
 			await Validate(changed);
@@ -145,6 +151,7 @@ namespace Kyoo.Controllers
 			}
 		}
 
+		/// <inheritdoc />
 		public async Task AddShowLink(int showID, int? libraryID, int? collectionID)
 		{
 			if (collectionID != null)
@@ -168,6 +175,7 @@ namespace Kyoo.Controllers
 			}
 		}
 		
+		/// <inheritdoc />
 		public Task<string> GetSlug(int showID)
 		{
 			return _database.Shows.Where(x => x.ID == showID)
@@ -175,6 +183,7 @@ namespace Kyoo.Controllers
 				.FirstOrDefaultAsync();
 		}
 		
+		/// <inheritdoc />
 		public override async Task Delete(Show obj)
 		{
 			if (obj == null)

Kyoo/Controllers/Repositories/StudioRepository.cs

@@ -8,17 +8,31 @@ using Microsoft.EntityFrameworkCore;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository to handle studios
+	/// </summary>
 	public class StudioRepository : LocalRepository<Studio>, IStudioRepository
 	{
+		/// <summary>
+		/// The database handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		
+		/// <inheritdoc />
 		protected override Expression<Func<Studio, object>> DefaultSort => x => x.Name;
 
 
-		public StudioRepository(DatabaseContext database) : base(database)
+		/// <summary>
+		/// Create a new <see cref="StudioRepository"/>.
+		/// </summary>
+		/// <param name="database">The database handle</param>
+		public StudioRepository(DatabaseContext database)
+			: base(database)
 		{
 			_database = database;
 		}
 		
+		/// <inheritdoc />
 		public override async Task<ICollection<Studio>> Search(string query)
 		{
 			return await _database.Studios
@@ -28,6 +42,7 @@ namespace Kyoo.Controllers
 				.ToListAsync();
 		}
 
+		/// <inheritdoc />
 		public override async Task<Studio> Create(Studio obj)
 		{
 			await base.Create(obj);
@@ -36,6 +51,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
+		/// <inheritdoc />
 		public override async Task Delete(Studio obj)
 		{
 			if (obj == null)

Kyoo/Controllers/Repositories/TrackRepository.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Linq.Expressions;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
@@ -9,40 +10,48 @@ using Microsoft.EntityFrameworkCore;
 
 namespace Kyoo.Controllers
 {
+	/// <summary>
+	/// A local repository to handle tracks.
+	/// </summary>
 	public class TrackRepository : LocalRepository<Track>, ITrackRepository
 	{
-		private bool _disposed;
+		/// <summary>
+		/// The databse handle
+		/// </summary>
 		private readonly DatabaseContext _database;
+		
+		/// <inheritdoc />
 		protected override Expression<Func<Track, object>> DefaultSort => x => x.TrackIndex;
 
 
-		public TrackRepository(DatabaseContext database) : base(database)
+		/// <summary>
+		/// Create a new <see cref="TrackRepository"/>.
+		/// </summary>
+		/// <param name="database">The datatabse handle</param>
+		public TrackRepository(DatabaseContext database) 
+			: base(database)
 		{
 			_database = database;
 		}
 		
-		public override void Dispose()
+
+		/// <inheritdoc />
+		Task<Track> IRepository<Track>.Get(string slug)
 		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			_database.Dispose();
+			return Get(slug);
 		}
 
-		public override async ValueTask DisposeAsync()
+		/// <inheritdoc />
+		public async Task<Track> Get(string slug, StreamType type = StreamType.Unknown)
 		{
-			if (_disposed)
-				return;
-			_disposed = true;
-			await _database.DisposeAsync();
+			Track ret = await GetOrDefault(slug, type);
+			if (ret == null)
+				throw new ItemNotFound($"No track found with the slug {slug} and the type {type}.");
+			return ret;
 		}
 		
-		public override Task<Track> Get(string slug)
-		{
-			return Get(slug, StreamType.Unknown);
-		}
-		
-		public Task<Track> Get(string slug, StreamType type)
+		/// <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)?(\..*)?");
@@ -65,27 +74,23 @@ namespace Kyoo.Controllers
 			if (match.Groups["type"].Success)
 				type = Enum.Parse<StreamType>(match.Groups["type"].Value, true);
 
-			if (type == StreamType.Unknown)
-			{
-				return _database.Tracks.FirstOrDefaultAsync(x => x.Episode.Show.Slug == showSlug
+			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);
-		 	}
-			return _database.Tracks.FirstOrDefaultAsync(x => x.Episode.Show.Slug == showSlug
-									 && x.Episode.SeasonNumber == seasonNumber
-									 && x.Episode.EpisodeNumber == episodeNumber
-									 && x.Type == type
-									 && 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)
 		{
 			throw new InvalidOperationException("Tracks do not support the search method.");
 		}
 
+		/// <inheritdoc />
 		public override async Task<Track> Create(Track obj)
 		{
 			if (obj.EpisodeID <= 0)
@@ -107,6 +112,7 @@ namespace Kyoo.Controllers
 			return obj;
 		}
 
+		/// <inheritdoc />
 		public override async Task Delete(Track obj)
 		{
 			if (obj == null)

Kyoo/Controllers/ThumbnailsManager.cs

@@ -92,7 +92,7 @@ namespace Kyoo.Controllers
 				await DownloadImage(episode.Thumb, localPath, $"The thumbnail of {episode.Slug}");
 		}
 
-		public async Task Validate(ProviderID provider, bool alwaysDownload)
+		public async Task Validate(Provider provider, bool alwaysDownload)
 		{
 			if (provider.Logo == null)
 				return;
@@ -145,7 +145,7 @@ namespace Kyoo.Controllers
 			return Task.FromResult(thumbPath.StartsWith(_peoplePath) ? thumbPath : null);
 		}
 
-		public Task<string> GetProviderLogo(ProviderID provider)
+		public Task<string> GetProviderLogo(Provider provider)
 		{
 			if (provider == null)
 				throw new ArgumentNullException(nameof(provider));

Kyoo/Kyoo.csproj

@@ -113,10 +113,8 @@
 	</Target>
 
 	<Target Name="BuildTranscoder" BeforeTargets="BeforeBuild" Condition="'$(SkipTranscoder)' != 'true'">
-		<Exec WorkingDirectory="$(TranscoderRoot)" Condition="'$(IsWindows)' != 'true'" 
-			  Command="mkdir -p build %26%26 cd build %26%26 cmake .. %26%26 make -j" />
-		<Exec WorkingDirectory="$(TranscoderRoot)" Condition="'$(IsWindows)' == 'true'"
-			  Command='(if not exist build mkdir build) %26%26 cd build %26%26 cmake .. -G "NMake Makefiles" %26%26 nmake' />
+		<Exec WorkingDirectory="$(TranscoderRoot)" Condition="'$(IsWindows)' != 'true'" Command="mkdir -p build %26%26 cd build %26%26 cmake .. %26%26 make -j" />
+		<Exec WorkingDirectory="$(TranscoderRoot)" Condition="'$(IsWindows)' == 'true'" Command="(if not exist build mkdir build) %26%26 cd build %26%26 cmake .. -G &quot;NMake Makefiles&quot; %26%26 nmake" />
 		<Copy SourceFiles="$(TranscoderRoot)/build/$(TranscoderBinary)" DestinationFolder="." />
 	</Target>
 	

Kyoo/Models/DatabaseContext.cs

@@ -2,6 +2,7 @@ using System;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Kyoo.Controllers;
 using Kyoo.Models;
 using Kyoo.Models.Exceptions;
 using Microsoft.EntityFrameworkCore;
@@ -10,28 +11,71 @@ using Npgsql;
 
 namespace Kyoo
 {
+	/// <summary>
+	/// The database handle used for all local repositories.
+	/// </summary>
+	/// <remarks>
+	/// It should not be used directly, to access the database use a <see cref="ILibraryManager"/> or repositories.
+	/// </remarks>
 	public class DatabaseContext : DbContext
 	{
-		public DatabaseContext(DbContextOptions<DatabaseContext> options) : base(options)
-		{
-			ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
-			ChangeTracker.LazyLoadingEnabled = false;
-		}
-
+		/// <summary>
+		/// All libraries of Kyoo. See <see cref="Library"/>.
+		/// </summary>
 		public DbSet<Library> Libraries { get; set; }
+		/// <summary>
+		/// All collections of Kyoo. See <see cref="Collection"/>.
+		/// </summary>
 		public DbSet<Collection> Collections { get; set; }
+		/// <summary>
+		/// All shows of Kyoo. See <see cref="Show"/>.
+		/// </summary>
 		public DbSet<Show> Shows { get; set; }
+		/// <summary>
+		/// All seasons of Kyoo. See <see cref="Season"/>.
+		/// </summary>
 		public DbSet<Season> Seasons { get; set; }
+		/// <summary>
+		/// All episodes of Kyoo. See <see cref="Episode"/>.
+		/// </summary>
 		public DbSet<Episode> Episodes { get; set; }
+		/// <summary>
+		/// All tracks of Kyoo. See <see cref="Track"/>.
+		/// </summary>
 		public DbSet<Track> Tracks { get; set; }
+		/// <summary>
+		/// All genres of Kyoo. See <see cref="Genres"/>.
+		/// </summary>
 		public DbSet<Genre> Genres { get; set; }
+		/// <summary>
+		/// All people of Kyoo. See <see cref="People"/>.
+		/// </summary>
 		public DbSet<People> People { get; set; }
+		/// <summary>
+		/// All studios of Kyoo. See <see cref="Studio"/>.
+		/// </summary>
 		public DbSet<Studio> Studios { get; set; }
-		public DbSet<ProviderID> Providers { get; set; }
+		/// <summary>
+		/// All providers of Kyoo. See <see cref="Provider"/>.
+		/// </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>
+		/// All people's role. See <see cref="PeopleRole"/>.
+		/// </summary>
 		public DbSet<PeopleRole> PeopleRoles { get; set; }
 
+		/// <summary>
+		/// Get a generic link between two resource types.
+		/// </summary>
+		/// <remarks>Types are order dependant. You can't inverse the order. Please always put the owner first.</remarks>
+		/// <typeparam name="T1">The first resource type of the relation. It is the owner of the second</typeparam>
+		/// <typeparam name="T2">The second resource type of the relation. It is the contained resource.</typeparam>
+		/// <returns>All links between the two types.</returns>
 		public DbSet<Link<T1, T2>> Links<T1, T2>()
 			where T1 : class, IResource
 			where T2 : class, IResource
@@ -40,6 +84,9 @@ namespace Kyoo
 		}
 		
 		
+		/// <summary>
+		/// A basic constructor that set default values (query tracker behaviors, mapping enums...)
+		/// </summary>
 		public DatabaseContext()
 		{
 			NpgsqlConnection.GlobalTypeMapper.MapEnum<Status>();
@@ -50,6 +97,21 @@ namespace Kyoo
 			ChangeTracker.LazyLoadingEnabled = false;
 		}
 
+		/// <summary>
+		/// Create a new <see cref="DatabaseContext"/>.
+		/// </summary>
+		/// <param name="options">Connection options to use (witch databse provider to use, connection strings...)</param>
+		public DatabaseContext(DbContextOptions<DatabaseContext> options)
+			: base(options)
+		{
+			ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
+			ChangeTracker.LazyLoadingEnabled = false;
+		}
+		
+		/// <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)
 		{
 			base.OnModelCreating(modelBuilder);
@@ -58,14 +120,6 @@ namespace Kyoo
 			modelBuilder.HasPostgresEnum<ItemType>();
 			modelBuilder.HasPostgresEnum<StreamType>();
 
-			modelBuilder.Entity<Library>()
-				.Property(x => x.Paths)
-				.HasColumnType("text[]");
-
-			modelBuilder.Entity<Show>()
-				.Property(x => x.Aliases)
-				.HasColumnType("text[]");
-
 			modelBuilder.Entity<Track>()
 				.Property(t => t.IsDefault)
 				.ValueGeneratedNever();
@@ -74,17 +128,17 @@ namespace Kyoo
 				.Property(t => t.IsForced)
 				.ValueGeneratedNever();
 
-			modelBuilder.Entity<ProviderID>()
+			modelBuilder.Entity<Provider>()
 				.HasMany(x => x.Libraries)
 				.WithMany(x => x.Providers)
-				.UsingEntity<Link<Library, ProviderID>>(
+				.UsingEntity<Link<Library, Provider>>(
 					y => y
 						.HasOne(x => x.First)
 						.WithMany(x => x.ProviderLinks),
 					y => y
 						.HasOne(x => x.Second)
 						.WithMany(x => x.LibraryLinks),
-					y => y.HasKey(Link<Library, ProviderID>.PrimaryKey));
+					y => y.HasKey(Link<Library, Provider>.PrimaryKey));
 			
 			modelBuilder.Entity<Collection>()
 				.HasMany(x => x.Libraries)
@@ -160,7 +214,7 @@ namespace Kyoo
 			modelBuilder.Entity<Genre>().Property(x => x.Slug).IsRequired();
 			modelBuilder.Entity<Library>().Property(x => x.Slug).IsRequired();
 			modelBuilder.Entity<People>().Property(x => x.Slug).IsRequired();
-			modelBuilder.Entity<ProviderID>().Property(x => x.Slug).IsRequired();
+			modelBuilder.Entity<Provider>().Property(x => x.Slug).IsRequired();
 			modelBuilder.Entity<Show>().Property(x => x.Slug).IsRequired();
 			modelBuilder.Entity<Studio>().Property(x => x.Slug).IsRequired();
 
@@ -182,7 +236,7 @@ namespace Kyoo
 			modelBuilder.Entity<Studio>()
 				.HasIndex(x => x.Slug)
 				.IsUnique();
-			modelBuilder.Entity<ProviderID>()
+			modelBuilder.Entity<Provider>()
 				.HasIndex(x => x.Slug)
 				.IsUnique();
 			modelBuilder.Entity<Season>()
@@ -196,6 +250,13 @@ namespace Kyoo
 				.IsUnique();
 		}
 
+		/// <summary>
+		/// Return a new or an in cache temporary object wih the same ID as the one given
+		/// </summary>
+		/// <param name="model">If a resource with the same ID is found in the database, it will be used.
+		/// <see cref="model"/> will be used overwise</param>
+		/// <typeparam name="T">The type of the resource</typeparam>
+		/// <returns>A resource that is now tracked by this context.</returns>
 		public T GetTemporaryObject<T>(T model)
 			where T : class, IResource
 		{
@@ -206,6 +267,11 @@ namespace Kyoo
 			return model;
 		}
 
+		/// <summary>
+		/// Save changes that are applied to this context.
+		/// </summary>
+		/// <exception cref="DuplicatedItemException">A duplicated item has been found.</exception>
+		/// <returns>The number of state entries written to the database.</returns>
 		public override int SaveChanges()
 		{
 			try
@@ -221,6 +287,13 @@ namespace Kyoo
 			}
 		}
 
+		/// <summary>
+		/// Save changes that are applied to this context.
+		/// </summary>
+		/// <param name="acceptAllChangesOnSuccess">Indicates whether AcceptAllChanges() is called after the changes
+		/// have been sent successfully to the database.</param>
+		/// <exception cref="DuplicatedItemException">A duplicated item has been found.</exception>
+		/// <returns>The number of state entries written to the database.</returns>
 		public override int SaveChanges(bool acceptAllChangesOnSuccess)
 		{
 			try
@@ -236,6 +309,13 @@ namespace Kyoo
 			}
 		}
 		
+		/// <summary>
+		/// Save changes that are applied to this context.
+		/// </summary>
+		/// <param name="duplicateMessage">The message that will have the <see cref="DuplicatedItemException"/>
+		/// (if a duplicate is found).</param>
+		/// <exception cref="DuplicatedItemException">A duplicated item has been found.</exception>
+		/// <returns>The number of state entries written to the database.</returns>
 		public int SaveChanges(string duplicateMessage)
 		{
 			try
@@ -251,6 +331,14 @@ namespace Kyoo
 			}
 		}
 
+		/// <summary>
+		/// Save changes that are applied to this context.
+		/// </summary>
+		/// <param name="acceptAllChangesOnSuccess">Indicates whether AcceptAllChanges() is called after the changes
+		/// have been sent successfully to the database.</param>
+		/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete</param>
+		/// <exception cref="DuplicatedItemException">A duplicated item has been found.</exception>
+		/// <returns>The number of state entries written to the database.</returns>
 		public override async Task<int> SaveChangesAsync(bool acceptAllChangesOnSuccess, 
 			CancellationToken cancellationToken = new())
 		{
@@ -267,6 +355,12 @@ namespace Kyoo
 			}
 		}
 
+		/// <summary>
+		/// Save changes that are applied to this context.
+		/// </summary>
+		/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete</param>
+		/// <exception cref="DuplicatedItemException">A duplicated item has been found.</exception>
+		/// <returns>The number of state entries written to the database.</returns>
 		public override async Task<int> SaveChangesAsync(CancellationToken cancellationToken = new())
 		{
 			try
@@ -282,6 +376,14 @@ namespace Kyoo
 			}
 		}
 		
+		/// <summary>
+		/// Save changes that are applied to this context.
+		/// </summary>
+		/// <param name="duplicateMessage">The message that will have the <see cref="DuplicatedItemException"/>
+		/// (if a duplicate is found).</param>
+		/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete</param>
+		/// <exception cref="DuplicatedItemException">A duplicated item has been found.</exception>
+		/// <returns>The number of state entries written to the database.</returns>
 		public async Task<int> SaveChangesAsync(string duplicateMessage,
 			CancellationToken cancellationToken = new())
 		{
@@ -298,6 +400,12 @@ namespace Kyoo
 			}
 		}
 
+		/// <summary>
+		/// Save changes if no duplicates are found. If one is found, no change are saved but the current changes are no discarded.
+		/// The current context will still hold those invalid changes.
+		/// </summary>
+		/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete</param>
+		/// <returns>The number of state entries written to the database or -1 if a duplicate exist.</returns>
 		public async Task<int> SaveIfNoDuplicates(CancellationToken cancellationToken = new())
 		{
 			try
@@ -310,12 +418,31 @@ 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);
 		}
 		
-		public async Task<T> SaveOrRetry<T>(T obj, 
+		/// <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())
@@ -337,11 +464,20 @@ namespace Kyoo
 			}
 		}
 
+		/// <summary>
+		/// Check if the exception is a duplicated exception.
+		/// </summary>
+		/// <remarks>WARNING: this only works for PostgreSQL</remarks>
+		/// <param name="ex">The exception to check</param>
+		/// <returns>True if the exception is a duplicate exception. False otherwise</returns>
 		private static bool IsDuplicateException(Exception ex)
 		{
 			return ex.InnerException is PostgresException {SqlState: PostgresErrorCodes.UniqueViolation};
 		}
 
+		/// <summary>
+		/// Delete every changes that are on this context.
+		/// </summary>
 		private void DiscardChanges()
 		{
 			foreach (EntityEntry entry in ChangeTracker.Entries().Where(x => x.State != EntityState.Unchanged

Kyoo/Models/DatabaseMigrations/Internal/20210420221509_Initial.Designer.cs

@@ -10,7 +10,7 @@ using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 namespace Kyoo.Models.DatabaseMigrations.Internal
 {
     [DbContext(typeof(DatabaseContext))]
-    [Migration("20210325184215_Initial")]
+    [Migration("20210420221509_Initial")]
     partial class Initial
     {
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -179,7 +179,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                     b.ToTable("Link<Library, Collection>");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.ProviderID>", b =>
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
                 {
                     b.Property<int>("FirstID")
                         .HasColumnType("integer");
@@ -191,7 +191,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
 
                     b.HasIndex("SecondID");
 
-                    b.ToTable("Link<Library, ProviderID>");
+                    b.ToTable("Link<Library, Provider>");
                 });
 
             modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Show>", b =>
@@ -320,7 +320,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                     b.ToTable("PeopleRoles");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.ProviderID", b =>
+            modelBuilder.Entity("Kyoo.Models.Provider", b =>
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
@@ -563,7 +563,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                     b.Navigation("Second");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.ProviderID>", b =>
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
                 {
                     b.HasOne("Kyoo.Models.Library", "First")
                         .WithMany("ProviderLinks")
@@ -571,7 +571,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
-                    b.HasOne("Kyoo.Models.ProviderID", "Second")
+                    b.HasOne("Kyoo.Models.Provider", "Second")
                         .WithMany("LibraryLinks")
                         .HasForeignKey("SecondID")
                         .OnDelete(DeleteBehavior.Cascade)
@@ -632,7 +632,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                         .HasForeignKey("PeopleID")
                         .OnDelete(DeleteBehavior.Cascade);
 
-                    b.HasOne("Kyoo.Models.ProviderID", "Provider")
+                    b.HasOne("Kyoo.Models.Provider", "Provider")
                         .WithMany("MetadataLinks")
                         .HasForeignKey("ProviderID")
                         .OnDelete(DeleteBehavior.Cascade)
@@ -744,7 +744,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                     b.Navigation("Roles");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.ProviderID", b =>
+            modelBuilder.Entity("Kyoo.Models.Provider", b =>
                 {
                     b.Navigation("LibraryLinks");
 

Kyoo/Models/DatabaseMigrations/Internal/20210420221509_Initial.cs

@@ -128,7 +128,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                 });
 
             migrationBuilder.CreateTable(
-                name: "Link<Library, ProviderID>",
+                name: "Link<Library, Provider>",
                 columns: table => new
                 {
                     FirstID = table.Column<int>(type: "integer", nullable: false),
@@ -136,15 +136,15 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                 },
                 constraints: table =>
                 {
-                    table.PrimaryKey("PK_Link<Library, ProviderID>", x => new { x.FirstID, x.SecondID });
+                    table.PrimaryKey("PK_Link<Library, Provider>", x => new { x.FirstID, x.SecondID });
                     table.ForeignKey(
-                        name: "FK_Link<Library, ProviderID>_Libraries_FirstID",
+                        name: "FK_Link<Library, Provider>_Libraries_FirstID",
                         column: x => x.FirstID,
                         principalTable: "Libraries",
                         principalColumn: "ID",
                         onDelete: ReferentialAction.Cascade);
                     table.ForeignKey(
-                        name: "FK_Link<Library, ProviderID>_Providers_SecondID",
+                        name: "FK_Link<Library, Provider>_Providers_SecondID",
                         column: x => x.SecondID,
                         principalTable: "Providers",
                         principalColumn: "ID",
@@ -459,8 +459,8 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                 column: "SecondID");
 
             migrationBuilder.CreateIndex(
-                name: "IX_Link<Library, ProviderID>_SecondID",
-                table: "Link<Library, ProviderID>",
+                name: "IX_Link<Library, Provider>_SecondID",
+                table: "Link<Library, Provider>",
                 column: "SecondID");
 
             migrationBuilder.CreateIndex(
@@ -559,7 +559,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                 name: "Link<Library, Collection>");
 
             migrationBuilder.DropTable(
-                name: "Link<Library, ProviderID>");
+                name: "Link<Library, Provider>");
 
             migrationBuilder.DropTable(
                 name: "Link<Library, Show>");

Kyoo/Models/DatabaseMigrations/Internal/DatabaseContextModelSnapshot.cs

@@ -177,7 +177,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                     b.ToTable("Link<Library, Collection>");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.ProviderID>", b =>
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
                 {
                     b.Property<int>("FirstID")
                         .HasColumnType("integer");
@@ -189,7 +189,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
 
                     b.HasIndex("SecondID");
 
-                    b.ToTable("Link<Library, ProviderID>");
+                    b.ToTable("Link<Library, Provider>");
                 });
 
             modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Show>", b =>
@@ -318,7 +318,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                     b.ToTable("PeopleRoles");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.ProviderID", b =>
+            modelBuilder.Entity("Kyoo.Models.Provider", b =>
                 {
                     b.Property<int>("ID")
                         .ValueGeneratedOnAdd()
@@ -561,7 +561,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                     b.Navigation("Second");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.ProviderID>", b =>
+            modelBuilder.Entity("Kyoo.Models.Link<Kyoo.Models.Library, Kyoo.Models.Provider>", b =>
                 {
                     b.HasOne("Kyoo.Models.Library", "First")
                         .WithMany("ProviderLinks")
@@ -569,7 +569,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
-                    b.HasOne("Kyoo.Models.ProviderID", "Second")
+                    b.HasOne("Kyoo.Models.Provider", "Second")
                         .WithMany("LibraryLinks")
                         .HasForeignKey("SecondID")
                         .OnDelete(DeleteBehavior.Cascade)
@@ -630,7 +630,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                         .HasForeignKey("PeopleID")
                         .OnDelete(DeleteBehavior.Cascade);
 
-                    b.HasOne("Kyoo.Models.ProviderID", "Provider")
+                    b.HasOne("Kyoo.Models.Provider", "Provider")
                         .WithMany("MetadataLinks")
                         .HasForeignKey("ProviderID")
                         .OnDelete(DeleteBehavior.Cascade)
@@ -742,7 +742,7 @@ namespace Kyoo.Models.DatabaseMigrations.Internal
                     b.Navigation("Roles");
                 });
 
-            modelBuilder.Entity("Kyoo.Models.ProviderID", b =>
+            modelBuilder.Entity("Kyoo.Models.Provider", b =>
                 {
                     b.Navigation("LibraryLinks");
 

Kyoo/Program.cs

@@ -3,7 +3,11 @@ using System.IO;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore;
 using Microsoft.AspNetCore.Hosting;
-using Microsoft.VisualBasic.FileIO;
+using Microsoft.AspNetCore.Hosting.StaticWebAssets;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
 
 namespace Kyoo
 {
@@ -18,11 +22,8 @@ namespace Kyoo
 		/// <param name="args">Command line arguments</param>
 		public static async Task Main(string[] args)
 		{
-			if (args.Length > 0)
-				FileSystem.CurrentDirectory = args[0];
-			if (!File.Exists("./appsettings.json"))
-				File.Copy(Path.Join(AppDomain.CurrentDomain.BaseDirectory, "appsettings.json"), "appsettings.json");
-
+			if (!File.Exists("./settings.json"))
+				File.Copy(Path.Join(AppDomain.CurrentDomain.BaseDirectory, "settings.json"), "settings.json");
 			
 			bool? debug = Environment.GetEnvironmentVariable("ENVIRONMENT")?.ToLowerInvariant() switch
 			{
@@ -49,15 +50,50 @@ namespace Kyoo
 			await host.Build().RunAsync();
 		}
 
+		/// <summary>
+		/// Register settings.json, environment variables and command lines arguments as configuration.
+		/// </summary>
+		/// <param name="builder">The configuration builder to use</param>
+		/// <param name="args">The command line arguments</param>
+		/// <returns>The modified configuration builder</returns>
+		private static IConfigurationBuilder SetupConfig(IConfigurationBuilder builder, string[] args)
+		{
+			return builder.AddJsonFile("./settings.json", false, true)
+				.AddEnvironmentVariables()
+				.AddCommandLine(args);
+		}
+		
 		/// <summary>
 		/// Createa a web host
 		/// </summary>
 		/// <param name="args">Command line parameters that can be handled by kestrel</param>
 		/// <returns>A new web host instance</returns>
-		private static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
-			WebHost.CreateDefaultBuilder(args)
-				.UseKestrel(config => { config.AddServerHeader = false; })
-				.UseUrls("http://*:5000")
+		private static IWebHostBuilder CreateWebHostBuilder(string[] args)
+		{
+			WebHost.CreateDefaultBuilder(args);
+			
+			return new WebHostBuilder()
+				.UseContentRoot(AppDomain.CurrentDomain.BaseDirectory)
+				.UseConfiguration(SetupConfig(new ConfigurationBuilder(), args).Build())
+				.ConfigureAppConfiguration(x => SetupConfig(x, args))
+				.ConfigureLogging((context, builder) =>
+				{
+					builder.AddConfiguration(context.Configuration.GetSection("logging"))
+						.AddConsole()
+						.AddDebug()
+						.AddEventSourceLogger();
+				})
+				.UseDefaultServiceProvider((context, options) =>
+				{
+					options.ValidateScopes = context.HostingEnvironment.IsDevelopment();
+					if (context.HostingEnvironment.IsDevelopment())
+						StaticWebAssetsLoader.UseStaticWebAssets(context.HostingEnvironment, context.Configuration);
+				})
+				.ConfigureServices(x => x.AddRouting())
+				.UseKestrel(options => { options.AddServerHeader = false; })
+				.UseIIS()
+				.UseIISIntegration()
 				.UseStartup<Startup>();
 		}
 	}
+}

Kyoo/Startup.cs

@@ -147,6 +147,20 @@ namespace Kyoo
 			});
 			
 
+			// TODO Add custom method to the service container and expose those methods to the plugin
+			// TODO Add for example a AddRepository that will automatically register the complex interface, the IRepository<T> and the IBaseRepository
+			services.AddScoped<IBaseRepository, LibraryRepository>();
+			services.AddScoped<IBaseRepository, LibraryItemRepository>();
+			services.AddScoped<IBaseRepository, CollectionRepository>();
+			services.AddScoped<IBaseRepository, ShowRepository>();
+			services.AddScoped<IBaseRepository, SeasonRepository>();
+			services.AddScoped<IBaseRepository, EpisodeRepository>();
+			services.AddScoped<IBaseRepository, TrackRepository>();
+			services.AddScoped<IBaseRepository, PeopleRepository>();
+			services.AddScoped<IBaseRepository, StudioRepository>();
+			services.AddScoped<IBaseRepository, GenreRepository>();
+			services.AddScoped<IBaseRepository, ProviderRepository>();
+
 			services.AddScoped<ILibraryRepository, LibraryRepository>();
 			services.AddScoped<ILibraryItemRepository, LibraryItemRepository>();
 			services.AddScoped<ICollectionRepository, CollectionRepository>();

Kyoo/Tasks/Crawler.cs

@@ -32,8 +32,8 @@ namespace Kyoo.Controllers
 		public async Task<IEnumerable<string>> GetPossibleParameters()
 		{
 			using IServiceScope serviceScope = _serviceProvider.CreateScope();
-			await using ILibraryManager libraryManager = serviceScope.ServiceProvider.GetService<ILibraryManager>();
-			return (await libraryManager!.GetLibraries()).Select(x => x.Slug);
+			ILibraryManager libraryManager = serviceScope.ServiceProvider.GetService<ILibraryManager>();
+			return (await libraryManager!.GetAll<Library>()).Select(x => x.Slug);
 		}
 
 		public int? Progress()
@@ -56,25 +56,25 @@ namespace Kyoo.Controllers
 				_parallelTasks = 30;
 
 			using IServiceScope serviceScope = _serviceProvider.CreateScope();
-			await using ILibraryManager libraryManager = serviceScope.ServiceProvider.GetService<ILibraryManager>();
+			ILibraryManager libraryManager = serviceScope.ServiceProvider.GetService<ILibraryManager>();
 			
-			foreach (Show show in await libraryManager!.GetShows())
+			foreach (Show show in await libraryManager!.GetAll<Show>())
 				if (!Directory.Exists(show.Path))
-					await libraryManager.DeleteShow(show);
+					await libraryManager.Delete(show);
 			
-			ICollection<Episode> episodes = await libraryManager.GetEpisodes();
+			ICollection<Episode> episodes = await libraryManager.GetAll<Episode>();
 			foreach (Episode episode in episodes)
 				if (!File.Exists(episode.Path))
-					await libraryManager.DeleteEpisode(episode);
+					await libraryManager.Delete(episode);
 			
-			ICollection<Track> tracks = await libraryManager.GetTracks();
+			ICollection<Track> tracks = await libraryManager.GetAll<Track>();
 			foreach (Track track in tracks)
 				if (!File.Exists(track.Path))
-					await libraryManager.DeleteTrack(track);
+					await libraryManager.Delete(track);
 
 			ICollection<Library> libraries = argument == null 
-				? await libraryManager.GetLibraries()
-				: new [] { await libraryManager.GetLibrary(argument)};
+				? await libraryManager.GetAll<Library>()
+				: new [] { await libraryManager.Get<Library>(argument)};
 			
 			if (argument != null && libraries.First() == null)
 				throw new ArgumentException($"No library found with the name {argument}");
@@ -143,11 +143,13 @@ namespace Kyoo.Controllers
 		}
 
 		private async Task RegisterExternalSubtitle(string path, CancellationToken token)
+		{
+			try
 			{
 				if (token.IsCancellationRequested || path.Split(Path.DirectorySeparatorChar).Contains("Subtitles"))
 					return;
 				using IServiceScope serviceScope = _serviceProvider.CreateScope();
-			await using ILibraryManager libraryManager = serviceScope.ServiceProvider.GetService<ILibraryManager>();
+				ILibraryManager libraryManager = serviceScope.ServiceProvider.GetService<ILibraryManager>();
 
 				string patern = _config.GetValue<string>("subtitleRegex");
 				Regex regex = new(patern, RegexOptions.IgnoreCase);
@@ -160,29 +162,31 @@ namespace Kyoo.Controllers
 				}
 
 				string episodePath = match.Groups["Episode"].Value;
-			Episode episode = await libraryManager!.GetEpisode(x => x.Path.StartsWith(episodePath));
-
-			if (episode == null)
-			{
-				await Console.Error.WriteLineAsync($"No episode found for subtitle at: ${path}.");
-				return;
-			}
-
-			Track track = new(StreamType.Subtitle,
-				null,
-				match.Groups["Language"].Value,
-				match.Groups["Default"].Value.Length > 0,
-				match.Groups["Forced"].Value.Length > 0,
-				SubtitleExtensions[Path.GetExtension(path)],
-				true,
-				path)
+				Episode episode = await libraryManager!.Get<Episode>(x => x.Path.StartsWith(episodePath));
+				Track track = new()
 				{
+					Type = StreamType.Subtitle,
+					Language = match.Groups["Language"].Value,
+					IsDefault = match.Groups["Default"].Value.Length > 0, 
+					IsForced = match.Groups["Forced"].Value.Length > 0,
+					Codec = SubtitleExtensions[Path.GetExtension(path)],
+					IsExternal = true,
+					Path = path,
 					Episode = episode
 				};
 
-			await libraryManager.RegisterTrack(track);
+				await libraryManager.Create(track);
 				Console.WriteLine($"Registering subtitle at: {path}.");
 			}
+			catch (ItemNotFound)
+			{
+				await Console.Error.WriteLineAsync($"No episode found for subtitle at: ${path}.");
+			}
+			catch (Exception ex)
+			{
+				await Console.Error.WriteLineAsync($"Unknown error while registering subtitle: {ex.Message}");
+			}
+		}
 
 		private async Task RegisterFile(string path, string relativePath, Library library, CancellationToken token)
 		{
@@ -192,7 +196,7 @@ namespace Kyoo.Controllers
 			try
 			{
 				using IServiceScope serviceScope = _serviceProvider.CreateScope();
-				await using ILibraryManager libraryManager = serviceScope.ServiceProvider.GetService<ILibraryManager>();
+				ILibraryManager libraryManager = serviceScope.ServiceProvider.GetService<ILibraryManager>();
 
 				string patern = _config.GetValue<string>("regex");
 				Regex regex = new(patern, RegexOptions.IgnoreCase);
@@ -215,7 +219,7 @@ namespace Kyoo.Controllers
 				bool isMovie = seasonNumber == -1 && episodeNumber == -1 && absoluteNumber == -1;
 				Show show = await GetShow(libraryManager, showName, showPath, isMovie, library);
 				if (isMovie)
-					await libraryManager!.RegisterEpisode(await GetMovie(show, path));
+					await libraryManager!.Create(await GetMovie(show, path));
 				else
 				{
 					Season season = await GetSeason(libraryManager, show, seasonNumber, library);
@@ -226,7 +230,7 @@ namespace Kyoo.Controllers
 						absoluteNumber,
 						path,
 						library);
-					await libraryManager!.RegisterEpisode(episode);
+					await libraryManager!.Create(episode);
 				}
 
 				await libraryManager.AddShowLink(show, library, collection);
@@ -250,19 +254,19 @@ namespace Kyoo.Controllers
 		{
 			if (string.IsNullOrEmpty(collectionName))
 				return null;
-			Collection collection = await libraryManager.GetCollection(Utility.ToSlug(collectionName));
+			Collection collection = await libraryManager.Get<Collection>(Utility.ToSlug(collectionName));
 			if (collection != null)
 				return collection;
 			collection = await _metadataProvider.GetCollectionFromName(collectionName, library);
 
 			try
 			{
-				await libraryManager.RegisterCollection(collection);
+				await libraryManager.Create(collection);
 				return collection;
 			}
 			catch (DuplicatedItemException)
 			{
-				return await libraryManager.GetCollection(collection.Slug);
+				return await libraryManager.Get<Collection>(collection.Slug);
 			}
 		}
 		
@@ -272,7 +276,7 @@ namespace Kyoo.Controllers
 			bool isMovie, 
 			Library library)
 		{
-			Show old = await libraryManager.GetShow(x => x.Path == showPath);
+			Show old = await libraryManager.Get<Show>(x => x.Path == showPath);
 			if (old != null)
 			{
 				await libraryManager.Load(old, x => x.ExternalIDs);
@@ -284,18 +288,18 @@ namespace Kyoo.Controllers
 
 			try
 			{
-				show = await libraryManager.RegisterShow(show);
+				show = await libraryManager.Create(show);
 			}
 			catch (DuplicatedItemException)
 			{
-				old = await libraryManager.GetShow(show.Slug);
+				old = await libraryManager.Get<Show>(show.Slug);
 				if (old.Path == showPath)
 				{
 					await libraryManager.Load(old, x => x.ExternalIDs);
 					return old;
 				}
 				show.Slug += $"-{show.StartYear}";
-				await libraryManager.RegisterShow(show);
+				await libraryManager.Create(show);
 			}
 			await _thumbnailsManager.Validate(show);
 			return show;
@@ -308,23 +312,21 @@ namespace Kyoo.Controllers
 		{
 			if (seasonNumber == -1)
 				return default;
-			Season season = await libraryManager.GetSeason(show.Slug, seasonNumber);
-			if (season == null)
-			{
-				season = await _metadataProvider.GetSeason(show, seasonNumber, library);
 			try
 			{
-					await libraryManager.RegisterSeason(season);
-					await _thumbnailsManager.Validate(season);
-				}
-				catch (DuplicatedItemException)
-				{
-					season = await libraryManager.GetSeason(show.Slug, season.SeasonNumber);
-				}
-			}
+				Season season = await libraryManager.Get(show.Slug, seasonNumber);
 				season.Show = show;
 				return season;
 			}
+			catch (ItemNotFound)
+			{
+				Season season = await _metadataProvider.GetSeason(show, seasonNumber, library);
+				await libraryManager.CreateIfNotExists(season);
+				await _thumbnailsManager.Validate(season);
+				season.Show = show;
+				return season;
+			}
+		}
 		
 		private async Task<Episode> GetEpisode(ILibraryManager libraryManager, 
 			Show show, 

Kyoo/Tasks/ExtractMetadata.cs

@@ -45,27 +45,25 @@ namespace Kyoo.Tasks
 				case "show":
 				case "shows":
 					Show show = await (int.TryParse(slug, out id)
-						? _library!.GetShow(id)
-						: _library!.GetShow(slug));
+						? _library!.Get<Show>(id)
+						: _library!.Get<Show>(slug));
 					await ExtractShow(show, thumbs, subs, token);
 					break;
 				case "season":
 				case "seasons":
 					Season season = await (int.TryParse(slug, out id) 
-						? _library!.GetSeason(id) 
-						: _library!.GetSeason(slug));
+						? _library!.Get<Season>(id) 
+						: _library!.Get<Season>(slug));
 					await ExtractSeason(season, thumbs, subs, token);
 					break;
 				case "episode":
 				case "episodes":
 					Episode episode = await (int.TryParse(slug, out id) 
-						? _library!.GetEpisode(id) 
-						: _library!.GetEpisode(slug));
+						? _library!.Get<Episode>(id) 
+						: _library!.Get<Episode>(slug));
 					await ExtractEpisode(episode, thumbs, subs);
 					break;
 			}
-
-			await _library!.DisposeAsync();
 		}
 
 		private async Task ExtractShow(Show show, bool thumbs, bool subs, CancellationToken token)
@@ -105,7 +103,7 @@ namespace Kyoo.Tasks
 					.Where(x => x.Type != StreamType.Attachment)
 					.Concat(episode.Tracks.Where(x => x.IsExternal))
 					.ToList();
-				await _library.EditEpisode(episode, false);
+				await _library.Edit(episode, false);
 			}
 		}
 		

Kyoo/Views/CollectionApi.cs

@@ -35,12 +35,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Show> resources = await _libraryManager.GetShows(
+				ICollection<Show> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Show>(where, x => x.Collections.Any(y => y.ID == id)),
 					new Sort<Show>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetCollection(id) == null)
+				if (!resources.Any() && await _libraryManager.Get<Collection>(id) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -61,12 +61,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Show> resources = await _libraryManager.GetShows(
+				ICollection<Show> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Show>(where, x => x.Collections.Any(y => y.Slug == slug)),
 					new Sort<Show>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetCollection(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Collection>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -87,12 +87,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Library> resources = await _libraryManager.GetLibraries(
+				ICollection<Library> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Library>(where, x => x.Collections.Any(y => y.ID == id)),
 					new Sort<Library>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetCollection(id) == null)
+				if (!resources.Any() && await _libraryManager.Get<Collection>(id) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -113,12 +113,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Library> resources = await _libraryManager.GetLibraries(
+				ICollection<Library> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Library>(where, x => x.Collections.Any(y => y.Slug == slug)),
 					new Sort<Library>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetCollection(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Collection>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}

Kyoo/Views/EpisodeApi.cs

@@ -6,6 +6,7 @@ using System.Linq;
 using System.Threading.Tasks;
 using Kyoo.CommonApi;
 using Kyoo.Controllers;
+using Kyoo.Models.Exceptions;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.Extensions.Configuration;
 
@@ -35,42 +36,56 @@ namespace Kyoo.Api
 		[Authorize(Policy = "Read")]
 		public async Task<ActionResult<Show>> GetShow(int episodeID)
 		{
-			return await _libraryManager.GetShow(x => x.Episodes.Any(y => y.ID  == episodeID));
+			return await _libraryManager.Get<Show>(x => x.Episodes.Any(y => y.ID  == episodeID));
 		}
 		
 		[HttpGet("{showSlug}-s{seasonNumber:int}e{episodeNumber:int}/show")]
 		[Authorize(Policy = "Read")]
-		public async Task<ActionResult<Show>> GetShow(string showSlug)
+		public async Task<ActionResult<Show>> GetShow(string showSlug, int seasonNumber, int episodeNumber)
 		{
-			return await _libraryManager.GetShow(showSlug);
+			return await _libraryManager.Get<Show>(showSlug);
 		}
 		
 		[HttpGet("{showID:int}-{seasonNumber:int}e{episodeNumber:int}/show")]
 		[Authorize(Policy = "Read")]
-		public async Task<ActionResult<Show>> GetShow(int showID, int _)
+		public async Task<ActionResult<Show>> GetShow(int showID, int seasonNumber, int episodeNumber)
 		{
-			return await _libraryManager.GetShow(showID);
+			return await _libraryManager.Get<Show>(showID);
 		}
 		
 		[HttpGet("{episodeID:int}/season")]
 		[Authorize(Policy = "Read")]
 		public async Task<ActionResult<Season>> GetSeason(int episodeID)
 		{
-			return await _libraryManager.GetSeason(x => x.Episodes.Any(y => y.ID == episodeID));
+			return await _libraryManager.Get<Season>(x => x.Episodes.Any(y => y.ID == episodeID));
 		}
 		
 		[HttpGet("{showSlug}-s{seasonNumber:int}e{episodeNumber:int}/season")]
 		[Authorize(Policy = "Read")]
-		public async Task<ActionResult<Season>> GetSeason(string showSlug, int seasonNuber)
+		public async Task<ActionResult<Season>> GetSeason(string showSlug, int seasonNumber, int episodeNumber)
 		{
-			return await _libraryManager.GetSeason(showSlug, seasonNuber);
+			try
+			{
+				return await _libraryManager.Get(showSlug, seasonNumber);
+			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
 		}
 		
 		[HttpGet("{showID:int}-{seasonNumber:int}e{episodeNumber:int}/season")]
 		[Authorize(Policy = "Read")]
-		public async Task<ActionResult<Season>> GetSeason(int showID, int seasonNumber)
+		public async Task<ActionResult<Season>> GetSeason(int showID, int seasonNumber, int episodeNumber)
 		{
-			return await _libraryManager.GetSeason(showID, seasonNumber);
+			try
+			{
+				return await _libraryManager.Get(showID, seasonNumber);
+			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
 		}
 		
 		[HttpGet("{episodeID:int}/track")]
@@ -84,12 +99,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Track> resources = await _libraryManager.GetTracks(
+				ICollection<Track> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Track>(where, x => x.Episode.ID == episodeID),
 					new Sort<Track>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetEpisode(episodeID) == null)
+				if (!resources.Any() && await _libraryManager.Get<Episode>(episodeID) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -112,14 +127,14 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Track> resources = await _libraryManager.GetTracks(
+				ICollection<Track> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Track>(where, x => x.Episode.ShowID == showID 
 					                                        && x.Episode.SeasonNumber == seasonNumber
 					                                        && x.Episode.EpisodeNumber == episodeNumber),
 					new Sort<Track>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetEpisode(showID, seasonNumber, episodeNumber) == null)
+				if (!resources.Any() && await _libraryManager.GetOrDefault(showID, seasonNumber, episodeNumber) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -129,10 +144,10 @@ namespace Kyoo.Api
 			}
 		}
 		
-		[HttpGet("{showSlug}-s{seasonNumber:int}e{episodeNumber:int}/track")]
-		[HttpGet("{showSlug}-s{seasonNumber:int}e{episodeNumber:int}/tracks")]
+		[HttpGet("{slug}-s{seasonNumber:int}e{episodeNumber:int}/track")]
+		[HttpGet("{slug}-s{seasonNumber:int}e{episodeNumber:int}/tracks")]
 		[Authorize(Policy = "Read")]
-		public async Task<ActionResult<Page<Track>>> GetEpisode(string showSlug,
+		public async Task<ActionResult<Page<Track>>> GetEpisode(string slug,
 			int seasonNumber,
 			int episodeNumber,
 			[FromQuery] string sortBy,
@@ -142,13 +157,14 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Track> resources = await _libraryManager.GetTracks(ApiHelper.ParseWhere<Track>(where, x => x.Episode.Show.Slug == showSlug 
+				ICollection<Track> resources = await _libraryManager.GetAll(
+					ApiHelper.ParseWhere<Track>(where, x => x.Episode.Show.Slug == slug 
 						&& x.Episode.SeasonNumber == seasonNumber
 						&& x.Episode.EpisodeNumber == episodeNumber),
 					new Sort<Track>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetEpisode(showSlug, seasonNumber, episodeNumber) == null)
+				if (!resources.Any() && await _libraryManager.GetOrDefault(slug, seasonNumber, episodeNumber) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -162,20 +178,30 @@ namespace Kyoo.Api
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetThumb(int id)
 		{
-			Episode episode = await _libraryManager.GetEpisode(id);
-			if (episode == null)
-				return NotFound();
+			try
+			{
+				Episode episode = await _libraryManager.Get<Episode>(id);
 				return _files.FileResult(await _thumbnails.GetEpisodeThumb(episode));
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 		
 		[HttpGet("{slug}/thumb")]
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetThumb(string slug)
 		{
-			Episode episode = await _libraryManager.GetEpisode(slug);
-			if (episode == null)
-				return NotFound();
+			try
+			{
+				Episode episode = await _libraryManager.Get<Episode>(slug);
 				return _files.FileResult(await _thumbnails.GetEpisodeThumb(episode));
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 	}
 }

Kyoo/Views/GenreApi.cs

@@ -36,12 +36,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Show> resources = await _libraryManager.GetShows(
+				ICollection<Show> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Show>(where, x => x.Genres.Any(y => y.ID == id)),
 					new Sort<Show>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetGenre(id) == null)
+				if (!resources.Any() && await _libraryManager.Get<Genre>(id) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -62,12 +62,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Show> resources = await _libraryManager.GetShows(
+				ICollection<Show> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Show>(where, x => x.Genres.Any(y => y.Slug == slug)),
 					new Sort<Show>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetGenre(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Genre>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}

Kyoo/Views/LibraryApi.cs

@@ -47,12 +47,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Show> resources = await _libraryManager.GetShows(
+				ICollection<Show> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Show>(where, x => x.Libraries.Any(y => y.ID == id)),
 					new Sort<Show>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetLibrary(id) == null)
+				if (!resources.Any() && await _libraryManager.Get<Library>(id) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -73,12 +73,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Show> resources = await _libraryManager.GetShows(
+				ICollection<Show> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Show>(where, x => x.Libraries.Any(y => y.Slug == slug)),
 					new Sort<Show>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetLibrary(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Library>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -99,12 +99,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Collection> resources = await _libraryManager.GetCollections(
+				ICollection<Collection> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Collection>(where, x => x.Libraries.Any(y => y.ID == id)),
 					new Sort<Collection>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetLibrary(id) == null)
+				if (!resources.Any() && await _libraryManager.Get<Library>(id) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -125,12 +125,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Collection> resources = await _libraryManager.GetCollections(
+				ICollection<Collection> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Collection>(where, x => x.Libraries.Any(y => y.Slug == slug)),
 					new Sort<Collection>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetLibrary(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Library>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -156,7 +156,7 @@ namespace Kyoo.Api
 					new Sort<LibraryItem>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetLibrary(id) == null)
+				if (!resources.Any() && await _libraryManager.Get<Library>(id) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -182,7 +182,7 @@ namespace Kyoo.Api
 					new Sort<LibraryItem>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetLibrary(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Library>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}

Kyoo/Views/PeopleApi.cs

@@ -90,7 +90,7 @@ namespace Kyoo.Api
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetPeopleIcon(int id)
 		{
-			People people = await _libraryManager.GetPeople(id);
+			People people = await _libraryManager.Get<People>(id);
 			return _files.FileResult(await _thumbs.GetPeoplePoster(people));
 		}
 		
@@ -98,7 +98,7 @@ namespace Kyoo.Api
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetPeopleIcon(string slug)
 		{
-			People people = await _libraryManager.GetPeople(slug);
+			People people = await _libraryManager.Get<People>(slug);
 			return _files.FileResult(await _thumbs.GetPeoplePoster(people));
 		}
 	}

Kyoo/Views/ProviderApi.cs

@@ -11,7 +11,7 @@ namespace Kyoo.Api
 	[Route("api/provider")]
 	[Route("api/providers")]
 	[ApiController]
-	public class ProviderAPI : CrudApi<ProviderID>
+	public class ProviderAPI : CrudApi<Provider>
 	{
 		private readonly IThumbnailsManager _thumbnails;
 		private readonly ILibraryManager _libraryManager;
@@ -32,7 +32,7 @@ namespace Kyoo.Api
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetLogo(int id)
 		{
-			ProviderID provider = await _libraryManager.GetProvider(id);
+			Provider provider = await _libraryManager.Get<Provider>(id);
 			return _files.FileResult(await _thumbnails.GetProviderLogo(provider));
 		}
 		
@@ -40,7 +40,7 @@ namespace Kyoo.Api
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetLogo(string slug)
 		{
-			ProviderID provider = await _libraryManager.GetProvider(slug);
+			Provider provider = await _libraryManager.Get<Provider>(slug);
 			return _files.FileResult(await _thumbnails.GetProviderLogo(provider));
 		}
 	}

Kyoo/Views/SearchApi.cs

@@ -7,7 +7,7 @@ using Microsoft.AspNetCore.Mvc;
 
 namespace Kyoo.Api
 {
-	[Route("api/search")]
+	[Route("api/search/{query}")]
 	[ApiController]
 	public class SearchApi : ControllerBase
 	{
@@ -18,67 +18,67 @@ namespace Kyoo.Api
 			_libraryManager = libraryManager;
 		}
 
-		[HttpGet("{query}")]
+		[HttpGet]
 		[Authorize(Policy="Read")]
 		public async Task<ActionResult<SearchResult>> Search(string query)
 		{
 			return new SearchResult
 			{
 				Query = query,
-				Collections = await _libraryManager.SearchCollections(query),
-				Shows = await _libraryManager.SearchShows(query),
-				Episodes = await _libraryManager.SearchEpisodes(query),
-				People = await _libraryManager.SearchPeople(query),
-				Genres = await _libraryManager.SearchGenres(query),
-				Studios = await _libraryManager.SearchStudios(query)
+				Collections = await _libraryManager.Search<Collection>(query),
+				Shows = await _libraryManager.Search<Show>(query),
+				Episodes = await _libraryManager.Search<Episode>(query),
+				People = await _libraryManager.Search<People>(query),
+				Genres = await _libraryManager.Search<Genre>(query),
+				Studios = await _libraryManager.Search<Studio>(query)
 			};
 		}
 		
-		[HttpGet("{query}/collection")]
-		[HttpGet("{query}/collections")]
+		[HttpGet("collection")]
+		[HttpGet("collections")]
 		[Authorize(Policy="Read")]
 		public Task<ICollection<Collection>> SearchCollections(string query)
 		{
-			return _libraryManager.SearchCollections(query);
+			return _libraryManager.Search<Collection>(query);
 		}
 		
-		[HttpGet("{query}/show")]
-		[HttpGet("{query}/shows")]
+		[HttpGet("show")]
+		[HttpGet("shows")]
 		[Authorize(Policy="Read")]
 		public Task<ICollection<Show>> SearchShows(string query)
 		{
-			return _libraryManager.SearchShows(query);
+			return _libraryManager.Search<Show>(query);
 		}
 		
-		[HttpGet("{query}/episode")]
-		[HttpGet("{query}/episodes")]
+		[HttpGet("episode")]
+		[HttpGet("episodes")]
 		[Authorize(Policy="Read")]
 		public Task<ICollection<Episode>> SearchEpisodes(string query)
 		{
-			return _libraryManager.SearchEpisodes(query);
+			return _libraryManager.Search<Episode>(query);
 		}
 		
-		[HttpGet("{query}/people")]
+		[HttpGet("people")]
 		[Authorize(Policy="Read")]
 		public Task<ICollection<People>> SearchPeople(string query)
 		{
-			return _libraryManager.SearchPeople(query);
+			return _libraryManager.Search<People>(query);
 		}
 		
-		[HttpGet("{query}/genre")]
-		[HttpGet("{query}/genres")]
+		[HttpGet("genre")]
+		[HttpGet("genres")]
 		[Authorize(Policy="Read")]
 		public Task<ICollection<Genre>> SearchGenres(string query)
 		{
-			return _libraryManager.SearchGenres(query);
+			return _libraryManager.Search<Genre>(query);
 		}
 		
-		[HttpGet("{query}/studio")]
-		[HttpGet("{query}/studios")]
+		[HttpGet("studio")]
+		[HttpGet("studios")]
 		[Authorize(Policy="Read")]
 		public Task<ICollection<Studio>> SearchStudios(string query)
 		{
-			return _libraryManager.SearchStudios(query);
+			return _libraryManager.Search<Studio>(query);
 		}
 	}
 }

Kyoo/Views/SeasonApi.cs

@@ -42,12 +42,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Episode> resources = await _libraryManager.GetEpisodes(
+				ICollection<Episode> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Episode>(where, x => x.SeasonID == seasonID),
 					new Sort<Episode>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetSeason(seasonID) == null)
+				if (!resources.Any() && await _libraryManager.Get<Season>(seasonID) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -69,13 +69,13 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Episode> resources = await _libraryManager.GetEpisodes(
+				ICollection<Episode> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Episode>(where, x => x.Show.Slug == showSlug 
 					                                          && x.SeasonNumber == seasonNumber),
 					new Sort<Episode>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetSeason(showSlug, seasonNumber) == null)
+				if (!resources.Any() && await _libraryManager.GetOrDefault(showSlug, seasonNumber) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -97,12 +97,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Episode> resources = await _libraryManager.GetEpisodes(
+				ICollection<Episode> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Episode>(where, x => x.ShowID == showID && x.SeasonNumber == seasonNumber),
 					new Sort<Episode>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetSeason(showID, seasonNumber) == null)
+				if (!resources.Any() && await _libraryManager.GetOrDefault(showID, seasonNumber) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -116,28 +116,28 @@ namespace Kyoo.Api
 		[Authorize(Policy = "Read")]
 		public async Task<ActionResult<Show>> GetShow(int seasonID)
 		{
-			return await _libraryManager.GetShow(x => x.Seasons.Any(y => y.ID == seasonID));
+			return await _libraryManager.Get<Show>(x => x.Seasons.Any(y => y.ID == seasonID));
 		}
 		
 		[HttpGet("{showSlug}-s{seasonNumber:int}/show")]
 		[Authorize(Policy = "Read")]
-		public async Task<ActionResult<Show>> GetShow(string showSlug, int _)
+		public async Task<ActionResult<Show>> GetShow(string showSlug, int seasonNumber)
 		{
-			return await _libraryManager.GetShow(showSlug);
+			return await _libraryManager.Get<Show>(showSlug);
 		}
 		
 		[HttpGet("{showID:int}-s{seasonNumber:int}/show")]
 		[Authorize(Policy = "Read")]
-		public async Task<ActionResult<Show>> GetShow(int showID, int _)
+		public async Task<ActionResult<Show>> GetShow(int showID, int seasonNumber)
 		{
-			return await _libraryManager.GetShow(showID);
+			return await _libraryManager.Get<Show>(showID);
 		}
 		
 		[HttpGet("{id:int}/thumb")]
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetThumb(int id)
 		{
-			Season season = await _libraryManager.GetSeason(id);
+			Season season = await _libraryManager.Get<Season>(id);
 			await _libraryManager.Load(season, x => x.Show);
 			return _files.FileResult(await _thumbs.GetSeasonPoster(season));
 		}
@@ -146,7 +146,7 @@ namespace Kyoo.Api
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetThumb(string slug)
 		{
-			Season season = await _libraryManager.GetSeason(slug);
+			Season season = await _libraryManager.Get<Season>(slug);
 			await _libraryManager.Load(season, x => x.Show);
 			return _files.FileResult(await _thumbs.GetSeasonPoster(season));
 		}

Kyoo/Views/ShowApi.cs

@@ -44,12 +44,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Season> resources = await _libraryManager.GetSeasons(
+				ICollection<Season> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Season>(where, x => x.ShowID == showID),
 					new Sort<Season>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(showID) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(showID) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -70,12 +70,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Season> resources = await _libraryManager.GetSeasons(
+				ICollection<Season> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Season>(where, x => x.Show.Slug == slug),
 					new Sort<Season>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -96,12 +96,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Episode> resources = await _libraryManager.GetEpisodes(
+				ICollection<Episode> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Episode>(where, x => x.ShowID == showID),
 					new Sort<Episode>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(showID) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(showID) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -122,12 +122,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Episode> resources = await _libraryManager.GetEpisodes(
+				ICollection<Episode> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Episode>(where, x => x.Show.Slug == slug),
 					new Sort<Episode>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -152,7 +152,7 @@ namespace Kyoo.Api
 					new Sort<PeopleRole>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(showID) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(showID) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -177,7 +177,7 @@ namespace Kyoo.Api
 					new Sort<PeopleRole>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -198,12 +198,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Genre> resources = await _libraryManager.GetGenres(
+				ICollection<Genre> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Genre>(where, x => x.Shows.Any(y => y.ID == showID)),
 					new Sort<Genre>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(showID) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(showID) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -224,12 +224,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Genre> resources = await _libraryManager.GetGenres(
+				ICollection<Genre> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Genre>(where, x => x.Shows.Any(y => y.Slug == slug)),
 					new Sort<Genre>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -245,7 +245,7 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				return await _libraryManager.GetStudio(x => x.Shows.Any(y => y.ID == showID));
+				return await _libraryManager.Get<Studio>(x => x.Shows.Any(y => y.ID == showID));
 			}
 			catch (ItemNotFound)
 			{
@@ -259,7 +259,7 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				return await _libraryManager.GetStudio(x => x.Shows.Any(y => y.Slug == slug));
+				return await _libraryManager.Get<Studio>(x => x.Shows.Any(y => y.Slug == slug));
 			}
 			catch (ItemNotFound)
 			{
@@ -278,12 +278,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Library> resources = await _libraryManager.GetLibraries(
+				ICollection<Library> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Library>(where, x => x.Shows.Any(y => y.ID == showID)),
 					new Sort<Library>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(showID) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(showID) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -304,12 +304,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Library> resources = await _libraryManager.GetLibraries(
+				ICollection<Library> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Library>(where, x => x.Shows.Any(y => y.Slug == slug)),
 					new Sort<Library>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -330,12 +330,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Collection> resources = await _libraryManager.GetCollections(
+				ICollection<Collection> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Collection>(where, x => x.Shows.Any(y => y.ID == showID)),
 					new Sort<Collection>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(showID) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(showID) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -356,12 +356,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Collection> resources = await _libraryManager.GetCollections(
+				ICollection<Collection> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Collection>(where, x => x.Shows.Any(y => y.Slug == slug)),
 					new Sort<Collection>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetShow(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Show>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -376,55 +376,80 @@ namespace Kyoo.Api
 		[Authorize(Policy = "Read")]
 		public async Task<ActionResult<Dictionary<string, string>>> GetFonts(string slug)
 		{
-			Show show = await _libraryManager.GetShow(slug);
-			if (show == null)
-				return NotFound();
+			try
+			{
+				Show show = await _libraryManager.Get<Show>(slug);
 				string path = Path.Combine(_files.GetExtraDirectory(show), "Attachments");
 				return (await _files.ListFiles(path))
 					.ToDictionary(Path.GetFileNameWithoutExtension,
 						x => $"{BaseURL}/api/shows/{slug}/fonts/{Path.GetFileName(x)}");
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 		
 		[HttpGet("{showSlug}/font/{slug}")]
 		[HttpGet("{showSlug}/fonts/{slug}")]
 		[Authorize(Policy = "Read")]
 		public async Task<IActionResult> GetFont(string showSlug, string slug)
 		{
-			Show show = await _libraryManager.GetShow(showSlug);
-			if (show == null)
-				return NotFound();
+			try
+			{
+				Show show = await _libraryManager.Get<Show>(showSlug);
 				string path = Path.Combine(_files.GetExtraDirectory(show), "Attachments", slug);
 				return _files.FileResult(path);
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 
 		[HttpGet("{slug}/poster")]
 		[Authorize(Policy = "Read")]
 		public async Task<IActionResult> GetPoster(string slug)
 		{
-			Show show = await _libraryManager.GetShow(slug);
-			if (show == null)
-				return NotFound();
+			try
+			{
+				Show show = await _libraryManager.Get<Show>(slug);
 				return _files.FileResult(await _thumbs.GetShowPoster(show));
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 		
 		[HttpGet("{slug}/logo")]
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetLogo(string slug)
 		{
-			Show show = await _libraryManager.GetShow(slug);
-			if (show == null)
-				return NotFound();
+			try
+			{
+				Show show = await _libraryManager.Get<Show>(slug);
 				return _files.FileResult(await _thumbs.GetShowLogo(show));
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 		
 		[HttpGet("{slug}/backdrop")]
 		[Authorize(Policy="Read")]
 		public async Task<IActionResult> GetBackdrop(string slug)
 		{
-			Show show = await _libraryManager.GetShow(slug);
-			if (show == null)
-				return NotFound();
+			try
+			{
+				Show show = await _libraryManager.Get<Show>(slug);
 				return _files.FileResult(await _thumbs.GetShowBackdrop(show));
 			}
+			catch (ItemNotFound)
+			{
+				return NotFound();
+			}
+		}
 	}
 }

Kyoo/Views/StudioApi.cs

@@ -35,12 +35,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Show> resources = await _libraryManager.GetShows(
+				ICollection<Show> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Show>(where, x => x.StudioID == id),
 					new Sort<Show>(sortBy),
 					new Pagination(limit, afterID));
 
-				if (!resources.Any() && await _libraryManager.GetStudio(id) == null)
+				if (!resources.Any() && await _libraryManager.Get<Studio>(id) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}
@@ -61,12 +61,12 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				ICollection<Show> resources = await _libraryManager.GetShows(
+				ICollection<Show> resources = await _libraryManager.GetAll(
 					ApiHelper.ParseWhere<Show>(where, x => x.Studio.Slug == slug),
 					new Sort<Show>(sortBy),
 					new Pagination(limit, afterID));
 				
-				if (!resources.Any() && await _libraryManager.GetStudio(slug) == null)
+				if (!resources.Any() && await _libraryManager.Get<Studio>(slug) == null)
 					return NotFound();
 				return Page(resources, limit);
 			}

Kyoo/Views/SubtitleApi.cs

@@ -30,14 +30,14 @@ namespace Kyoo.Api
 			Track subtitle;
 			try
 			{
-				subtitle = await _libraryManager.GetTrack(slug, StreamType.Subtitle);
+				subtitle = await _libraryManager.GetOrDefault(slug, StreamType.Subtitle);
 			}
 			catch (ArgumentException ex)
 			{
 				return BadRequest(new {error = ex.Message});
 			}
 
-			if (subtitle == null || subtitle.Type != StreamType.Subtitle)
+			if (subtitle is not {Type: StreamType.Subtitle})
 				return NotFound();
 			
 			if (subtitle.Codec == "subrip" && extension == "vtt")

Kyoo/Views/TrackApi.cs

@@ -29,7 +29,7 @@ namespace Kyoo.Api
 		{
 			try
 			{
-				return await _libraryManager.GetEpisode(x => x.Tracks.Any(y => y.ID == id));
+				return await _libraryManager.Get<Episode>(x => x.Tracks.Any(y => y.ID == id));
 			}
 			catch (ItemNotFound)
 			{
@@ -45,7 +45,7 @@ namespace Kyoo.Api
 			{
 				// TODO This won't work with the local repository implementation.
 				// TODO Implement something like this (a dotnet-ef's QueryCompilationContext): https://stackoverflow.com/questions/62687811/how-can-i-convert-a-custom-function-to-a-sql-expression-for-entity-framework-cor
-				return await _libraryManager.GetEpisode(x => x.Tracks.Any(y => y.Slug == slug));
+				return await _libraryManager.Get<Episode>(x => x.Tracks.Any(y => y.Slug == slug));
 			}
 			catch (ItemNotFound)
 			{

Kyoo/Views/VideoApi.cs

@@ -4,6 +4,7 @@ using Kyoo.Models;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
 using System.Threading.Tasks;
+using Kyoo.Models.Exceptions;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc.Filters;
 
@@ -41,91 +42,58 @@ namespace Kyoo.Api
 		}
 
 		
-		[HttpGet("{showSlug}-s{seasonNumber:int}e{episodeNumber:int}")]
-		[HttpGet("direct/{showSlug}-s{seasonNumber:int}e{episodeNumber:int}")]
+		[HttpGet("{slug}")]
+		[HttpGet("direct/{slug}")]
 		[Authorize(Policy="Play")]
-		public async Task<IActionResult> DirectEpisode(string showSlug, int seasonNumber, int episodeNumber)
+		public async Task<IActionResult> Direct(string slug)
 		{
-			if (seasonNumber < 0 || episodeNumber < 0)
-				return BadRequest(new {error = "Season number or episode number can not be negative."});
-
-			Episode episode = await _libraryManager.GetEpisode(showSlug, seasonNumber, episodeNumber);
-			if (episode == null)
-				return NotFound();
+			try
+			{
+				Episode episode = await _libraryManager.Get<Episode>(slug);
 				return _files.FileResult(episode.Path, true);
 			}
-		
-		[HttpGet("{movieSlug}")]
-		[HttpGet("direct/{movieSlug}")]
-		[Authorize(Policy="Play")]
-		public async Task<IActionResult> DirectMovie(string movieSlug)
+			catch (ItemNotFound)
 			{
-			Episode episode = await _libraryManager.GetMovieEpisode(movieSlug);
-
-			if (episode == null)
 				return NotFound();
-			return _files.FileResult(episode.Path, true);
+			}
 		}
 
-
-		[HttpGet("transmux/{showSlug}-s{seasonNumber:int}e{episodeNumber:int}/master.m3u8")]
+		[HttpGet("transmux/{slug}/master.m3u8")]
 		[Authorize(Policy="Play")]
-		public async Task<IActionResult> TransmuxEpisode(string showSlug, int seasonNumber, int episodeNumber)
+		public async Task<IActionResult> Transmux(string slug)
 		{
-			if (seasonNumber < 0 || episodeNumber < 0)
-				return BadRequest(new {error = "Season number or episode number can not be negative."});
-			
-			Episode episode = await _libraryManager.GetEpisode(showSlug, seasonNumber, episodeNumber);
-			if (episode == null)
-				return NotFound();
+			try
+			{
+				Episode episode = await _libraryManager.Get<Episode>(slug);
 				string path = await _transcoder.Transmux(episode);
+
 				if (path == null)
 					return StatusCode(500);
 				return _files.FileResult(path, true);
 			}
-		
-		[HttpGet("transmux/{movieSlug}/master.m3u8")]
-		[Authorize(Policy="Play")]
-		public async Task<IActionResult> TransmuxMovie(string movieSlug)
+			catch (ItemNotFound)
 			{
-			Episode episode = await _libraryManager.GetMovieEpisode(movieSlug);
-
-			if (episode == null)
 				return NotFound();
-			string path = await _transcoder.Transmux(episode);
-			if (path == null)
-				return StatusCode(500);
-			return _files.FileResult(path, true);
+			}
 		}
 
-		[HttpGet("transcode/{showSlug}-s{seasonNumber:int}e{episodeNumber:int}/master.m3u8")]
+		[HttpGet("transcode/{slug}/master.m3u8")]
 		[Authorize(Policy="Play")]
-		public async Task<IActionResult> TranscodeEpisode(string showSlug, int seasonNumber, int episodeNumber)
+		public async Task<IActionResult> Transcode(string slug)
 		{
-			if (seasonNumber < 0 || episodeNumber < 0)
-				return BadRequest(new {error = "Season number or episode number can not be negative."});
-			
-			Episode episode = await _libraryManager.GetEpisode(showSlug, seasonNumber, episodeNumber);
-			if (episode == null)
-				return NotFound();
+			try
+			{
+				Episode episode = await _libraryManager.Get<Episode>(slug);
 				string path = await _transcoder.Transcode(episode);
+
 				if (path == null)
 					return StatusCode(500);
 				return _files.FileResult(path, true);
 			}
-		
-		[HttpGet("transcode/{movieSlug}/master.m3u8")]
-		[Authorize(Policy="Play")]
-		public async Task<IActionResult> TranscodeMovie(string movieSlug)
+			catch (ItemNotFound)
 			{
-			Episode episode = await _libraryManager.GetMovieEpisode(movieSlug);
-
-			if (episode == null)
 				return NotFound();
-			string path = await _transcoder.Transcode(episode);
-			if (path == null)
-				return StatusCode(500);
-			return _files.FileResult(path, true);
+			}
 		}
 		
 		

Kyoo/Views/WatchApi.cs

@@ -1,6 +1,7 @@
 using System.Threading.Tasks;
 using Kyoo.Controllers;
 using Kyoo.Models;
+using Kyoo.Models.Exceptions;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 
@@ -17,24 +18,19 @@ namespace Kyoo.Api
 			_libraryManager = libraryManager;
 		}
 
-		[HttpGet("{showSlug}-s{seasonNumber:int}e{episodeNumber:int}")]
+		[HttpGet("{slug}")]
 		[Authorize(Policy="Read")]
-		public async Task<ActionResult<WatchItem>> GetWatchItem(string showSlug, int seasonNumber, int episodeNumber)
+		public async Task<ActionResult<WatchItem>> GetWatchItem(string slug)
 		{
-			Episode item = await _libraryManager.GetEpisode(showSlug, seasonNumber, episodeNumber);
-			if (item == null)
-				return NotFound();
+			try
+			{
+				Episode item = await _libraryManager.Get<Episode>(slug);
 				return await WatchItem.FromEpisode(item, _libraryManager);
 			}
-		
-		[HttpGet("{movieSlug}")]
-		[Authorize(Policy="Read")]
-		public async Task<ActionResult<WatchItem>> GetWatchItem(string movieSlug)
+			catch (ItemNotFound)
 			{
-			Episode item = await _libraryManager.GetMovieEpisode(movieSlug);
-			if (item == null)
 				return NotFound();
-			return await WatchItem.FromEpisode(item, _libraryManager);
+			}
 		}
 	}
 }

Kyoo/settings.json

@@ -1,31 +1,25 @@
 {
-  "server.urls": "http://0.0.0.0:5000",
+  "server.urls": "http://*:5000",
   "public_url": "http://localhost:5000/",
-  "http_port": 5000,
-  "https_port": 44300,
 
-  "Database": {
-    "Server": "127.0.0.1",
-    "Port": "5432",
-    "Database": "kyooDB",
-    "User Id": "kyoo",
-    "Password": "kyooPassword",
-    "Pooling": "true",
-    "MaxPoolSize": "95",
-    "Timeout": "30"
+  "database": {
+    "server": "127.0.0.1",
+    "port": "5432",
+    "database": "kyooDB",
+    "user ID": "kyoo",
+    "password": "kyooPassword",
+    "pooling": "true",
+    "maxPoolSize": "95",
+    "timeout": "30"
   },
 
-  "Logging": {
-    "LogLevel": {
-      "Default": "Warning",
+  "logging": {
+    "logLevel": {
+      "default": "Warning",
       "Microsoft": "Warning",
-      "Microsoft.Hosting.Lifetime": "Information",
-      "Microsoft.EntityFrameworkCore.DbUpdateException": "None",
-      "Microsoft.EntityFrameworkCore.Update": "None",
-      "Microsoft.EntityFrameworkCore.Database.Command": "None"
+      "Microsoft.Hosting.Lifetime": "Information"
     }
   },
-  "AllowedHosts": "*",
   
   "parallelTasks": "1",
   

deployment/kyoo.service

@@ -5,7 +5,8 @@ After=network.target
 
 [Service]
 User=kyoo
-ExecStart=/usr/lib/kyoo/Kyoo /var/lib/kyoo
+WorkingDirectory=/var/lib/kyoo
+ExecStart=/usr/lib/kyoo/Kyoo
 Restart=on-abort
 TimeoutSec=20