Starting to use Lazy loading

Kyoo.Common/Models/Episode.cs

@@ -25,7 +25,7 @@ namespace Kyoo.Models
         [JsonIgnore] public string ImgPrimary { get; set; }
         public string ExternalIDs { get; set; }
 
-        public IEnumerable<Track> Tracks { get; set; }
+        public virtual IEnumerable<Track> Tracks { get; set; }
 
         public string ShowTitle; //Used in the API response only
         public string Link; //Used in the API response only
@@ -73,6 +73,13 @@ namespace Kyoo.Models
             return showSlug + "-s" + seasonNumber + "e" + episodeNumber;
         }
 
+        public Episode SetLink(string showSlug)
+        {
+	        Link = GetSlug(showSlug, SeasonNumber, EpisodeNumber);
+	        Thumb = "thumb/" + Link;
+	        return this;
+        }
+
         public Episode Merge(Episode other)
         {
             if (other == null)

Kyoo.Common/Models/GenreLink.cs

@@ -0,0 +1,13 @@
+namespace Kyoo.Models
+{
+	public class GenreLink
+	{
+		// TODO Make json serializer ignore this class and only serialize the Genre child.
+		// TODO include this class in the EF workflows.
+		
+		public long ShowID { get; set; }
+		public virtual Show Show { get; set; }
+		public long GenreID { get; set; }
+		public virtual Genre Genre { get; set; }
+	}
+}

Kyoo.Common/Models/PeopleLink.cs

@@ -6,9 +6,9 @@ namespace Kyoo.Models
     {
 	    [JsonIgnore] public long ID { get; set; }
 	    [JsonIgnore] public long PeopleID { get; set; }
-        public People People { get; set; }
+        public virtual People People { get; set; }
         [JsonIgnore] public long ShowID { get; set; }
-        [JsonIgnore] public Show Show { get; set; }
+        [JsonIgnore] public virtual Show Show { get; set; }
         public string Role { get; set; }
         public string Type { get; set; }
 

Kyoo/Controllers/LibraryManager.cs

@@ -77,12 +77,12 @@ namespace Kyoo.Controllers
 		public Show GetShowBySlug(string slug)
 		{
 			Show ret = (from show in _database.Shows where show.Slug == slug select show).FirstOrDefault();
-			if (ret == null)
+			// if (ret == null)
-				return null;
+			// 	return null;
 			//_database.Entry(ret).Collection(x => x.Genres).Load();
-			_database.Entry(ret).Reference(x => x.Studio).Load();
+			// _database.Entry(ret).Reference(x => x.Studio).Load();
-			_database.Entry(ret).Collection(x => x.People).Load();
+			// _database.Entry(ret).Collection(x => x.People).Load();
-			_database.Entry(ret).Collection(x => x.Seasons).Load();
+			// _database.Entry(ret).Collection(x => x.Seasons).Load();
 			return ret;
 		}
 		
@@ -114,26 +114,26 @@ namespace Kyoo.Controllers
 
 		public IEnumerable<Episode> GetEpisodes(string showSlug)
 		{
-			return from episode in _database.Episodes where episode.Show.Slug == showSlug select episode;
+			return from episode in _database.Episodes where episode.Show.Slug == showSlug select episode.SetLink(showSlug);
 		}
 
 		public IEnumerable<Episode> GetEpisodes(string showSlug, long seasonNumber)
 		{
 			return from episode in _database.Episodes where episode.SeasonNumber == seasonNumber 
-			                                             && episode.Show.Slug == showSlug select episode;
+			                                             && episode.Show.Slug == showSlug select episode.SetLink(showSlug);
 		}
 
 		public IEnumerable<Episode> GetEpisodes(long showID, long seasonNumber)
 		{
 			return from episode in _database.Episodes where episode.ShowID == showID 
-			                                                && episode.SeasonNumber == seasonNumber select episode;
+			                                             && episode.SeasonNumber == seasonNumber select episode.SetLink(episode.Show.Slug);
 		}
 
 		public Episode GetEpisode(string showSlug, long seasonNumber, long episodeNumber)
 		{
 			return (from episode in _database.Episodes where episode.EpisodeNumber == episodeNumber
 															&& episode.SeasonNumber == seasonNumber 
-			                                                && episode.Show.Slug == showSlug select episode).FirstOrDefault();
+			                                                && episode.Show.Slug == showSlug select episode.SetLink(showSlug)).FirstOrDefault();
 		}
 
 		public WatchItem GetWatchItem(string showSlug, long seasonNumber, long episodeNumber, bool complete = true)

Kyoo/Kyoo.csproj

@@ -30,6 +30,7 @@
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		  <PrivateAssets>all</PrivateAssets>
 		</PackageReference>
+		<PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="3.1.1" />
 		<PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="3.1.1" />
 		<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.1" />
 		<PackageReference Include="Newtonsoft.Json" Version="12.0.3" />

Kyoo/Startup.cs

@@ -33,7 +33,8 @@ namespace Kyoo
             services.AddControllers().AddNewtonsoftJson();
             services.AddHttpClient();
 
-            services.AddDbContext<DatabaseContext>(options => options.UseSqlite(Configuration.GetConnectionString("Database")));
+            services.AddDbContext<DatabaseContext>(options => options.UseLazyLoadingProxies()
+	            .UseSqlite(Configuration.GetConnectionString("Database")));
 
             // services.AddIdentity<ApplicationUser, IdentityRole>()
             //     .AddEntityFrameworkStores()