API: Fixing watch items images and previous/next handling

src/Kyoo.Abstractions/Models/WatchItem.cs

@@ -18,6 +18,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
@@ -32,7 +33,7 @@ namespace Kyoo.Abstractions.Models
 	/// Information about tracks and display information that could be used by the player.
 	/// This contains mostly data from an <see cref="Episode"/> with another form.
 	/// </summary>
-	public class WatchItem
+	public class WatchItem : CustomTypeDescriptor, IThumbnails
 	{
 		/// <summary>
 		/// The ID of the episode associated with this item.
@@ -101,6 +102,9 @@ namespace Kyoo.Abstractions.Models
 		/// </summary>
 		public bool IsMovie { get; set; }
 
+		/// <inheritdoc />
+		public Dictionary<int, string> Images { get; set; }
+
 		/// <summary>
 		/// The container of the video file of this episode.
 		/// Common containers are mp4, mkv, avi and so on.
@@ -147,11 +151,11 @@ namespace Kyoo.Abstractions.Models
 				if (ep.AbsoluteNumber != null)
 				{
 					previous = await library.GetOrDefault(
-						x => x.ShowID == ep.ShowID && x.AbsoluteNumber <= ep.AbsoluteNumber,
+						x => x.ShowID == ep.ShowID && x.AbsoluteNumber < ep.AbsoluteNumber,
 						new Sort<Episode>(x => x.AbsoluteNumber, true)
 					);
 					next = await library.GetOrDefault(
-						x => x.ShowID == ep.ShowID && x.AbsoluteNumber >= ep.AbsoluteNumber,
+						x => x.ShowID == ep.ShowID && x.AbsoluteNumber > ep.AbsoluteNumber,
 						new Sort<Episode>(x => x.AbsoluteNumber)
 					);
 				}
@@ -195,6 +199,7 @@ namespace Kyoo.Abstractions.Models
 				Title = ep.Title,
 				ReleaseDate = ep.ReleaseDate,
 				Path = ep.Path,
+				Images = ep.Show.Images,
 				Container = PathIO.GetExtension(ep.Path)![1..],
 				Video = ep.Tracks.FirstOrDefault(x => x.Type == StreamType.Video),
 				Audios = ep.Tracks.Where(x => x.Type == StreamType.Audio).ToArray(),
@@ -232,5 +237,17 @@ namespace Kyoo.Abstractions.Models
 				return Array.Empty<Chapter>();
 			}
 		}
+
+		/// <inheritdoc />
+		public override string GetClassName()
+		{
+			return nameof(Show);
+		}
+
+		/// <inheritdoc />
+		public override string GetComponentName()
+		{
+			return ShowSlug;
+		}
 	}
 }

src/Kyoo.Core/Views/Helper/Serializers/JsonSerializerContract.cs

@@ -152,13 +152,15 @@ namespace Kyoo.Core.Api
 			/// <inheritdoc />
 			public object GetValue(object target)
 			{
-				if (target is not (IThumbnails thumb and IResource res)
+				string slug = (target as IResource)?.Slug ?? (target as ICustomTypeDescriptor)?.GetComponentName();
+				if (target is not IThumbnails thumb
+					|| slug == null
 					|| string.IsNullOrEmpty(thumb.Images?.GetValueOrDefault(_imageIndex)))
 					return null;
 				string type = target is ICustomTypeDescriptor descriptor
 					? descriptor.GetClassName()
 					: target.GetType().Name;
-				return new Uri(_host, $"/api/{type}/{res.Slug}/{Images.ImageName[_imageIndex]}".ToLower())
+				return new Uri(_host, $"/api/{type}/{slug}/{Images.ImageName[_imageIndex]}".ToLower())
 					.ToString();
 			}
 		}

src/Kyoo.Core/Views/Watch/SubtitleApi.cs

@@ -17,6 +17,7 @@
 // along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
 
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
@@ -75,11 +76,13 @@ namespace Kyoo.Core.Api
 		/// <param name="extension">An optional extension for the subtitle file.</param>
 		/// <returns>The subtitle file</returns>
 		/// <response code="404">No subtitle exist with the given ID or slug.</response>
-		[HttpGet("{identifier:id}", Order = AlternativeRoute)]
+		[HttpGet("{identifier:int}", Order = AlternativeRoute)]
 		[HttpGet("{identifier:id}.{extension}")]
 		[PartialPermission(Kind.Read)]
 		[ProducesResponseType(StatusCodes.Status200OK)]
 		[ProducesResponseType(StatusCodes.Status404NotFound)]
+		[SuppressMessage("ReSharper", "RouteTemplates.ParameterTypeAndConstraintsMismatch",
+			Justification = "An indentifier can be constructed with an int.")]
 		public async Task<IActionResult> GetSubtitle(Identifier identifier, string extension)
 		{
 			Track subtitle = await identifier.Match(

src/Kyoo.WebApp/Front

@@ -1 +1 @@
-Subproject commit 7bf53b40080d1d43228f1cdcad510b302ead99ff
+Subproject commit 846dbcb22ed29244a2384d240180c821ec18df2b