Database redesign (#31)

* starting database redesign

* set season and episode numbers

* use datetimes in db (utc); update movie metadata

* get movie cards from new table

* copy show/episode metadata

* remove old movie metadata type

* rename new movie metadata type

* code cleanup

* start to remove old television classes

* remove old television tables from database

* fix playout building

* fix collection views

* fix show/season views

* clean up movie metadata table

* fix scanner tests

* add libraries ui

* code cleanup

* fix movie scanning/metadata

* add library scan button to ui

* delete library path from ui

* temp disable movie scanning

* remove orphan media items and prevent duplicate paths

* attach artwork to metadata

* fix split show/season display

* fix television artwork

* store year distinct from release date

* fix collections ui

* code cleanup

* add library paths from ui

* fix adding to collections from ui

* fix schedule items loading

* schedule editing works again

* remove some todos

* more cleanup

* fix unit tests

* fix episode sorting

* fix deleting show library paths

* remove unused class

* fix playout list in ui

* fix log viewer

* start to use version/file instead of statistics

* clean up old columns

* fix playout display (time zone)

* fix playback

* fix channel guide time zone

* cascade more deletes

* fix compiler warnings

* fix adding new seasons

* use artwork for channel logo

* clean cache folder on startup (move channel logos, delete everything else)

* log database migration

* update homepage docs for libraries

* fix adding new channel with logo

* fix episode numbers in epg

ErsatzTV.Application/Images/Queries/GetImageContents.cs

@@ -1,8 +1,10 @@
 using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
 using LanguageExt;
 using MediatR;
 
 namespace ErsatzTV.Application.Images.Queries
 {
-    public record GetImageContents(string FileName) : IRequest<Either<BaseError, ImageViewModel>>;
+    public record GetImageContents
+        (string FileName, ArtworkKind ArtworkKind, int? MaxHeight = null) : IRequest<Either<BaseError, ImageViewModel>>;
 }

ErsatzTV.Application/Images/Queries/GetImageContentsHandler.cs

@@ -3,6 +3,8 @@ using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Images;
 using LanguageExt;
 using MediatR;
 using Microsoft.Extensions.Caching.Memory;
@@ -13,9 +15,14 @@ namespace ErsatzTV.Application.Images.Queries
     public class GetImageContentsHandler : IRequestHandler<GetImageContents, Either<BaseError, ImageViewModel>>
     {
         private static readonly MimeTypes MimeTypes = new();
+        private readonly IImageCache _imageCache;
         private readonly IMemoryCache _memoryCache;
 
-        public GetImageContentsHandler(IMemoryCache memoryCache) => _memoryCache = memoryCache;
+        public GetImageContentsHandler(IImageCache imageCache, IMemoryCache memoryCache)
+        {
+            _imageCache = imageCache;
+            _memoryCache = memoryCache;
+        }
 
         public async Task<Either<BaseError, ImageViewModel>> Handle(
             GetImageContents request,
@@ -29,8 +36,25 @@ namespace ErsatzTV.Application.Images.Queries
                     {
                         entry.SlidingExpiration = TimeSpan.FromHours(1);
 
-                        string fileName = Path.Combine(FileSystemLayout.ImageCacheFolder, request.FileName);
+                        string subfolder = request.FileName.Substring(0, 2);
+                        string baseFolder = request.ArtworkKind switch
+                        {
+                            ArtworkKind.Poster => Path.Combine(FileSystemLayout.PosterCacheFolder, subfolder),
+                            ArtworkKind.Thumbnail => Path.Combine(FileSystemLayout.ThumbnailCacheFolder, subfolder),
+                            ArtworkKind.Logo => Path.Combine(FileSystemLayout.LogoCacheFolder, subfolder),
+                            _ => FileSystemLayout.LegacyImageCacheFolder
+                        };
+
+                        string fileName = Path.Combine(baseFolder, request.FileName);
                         byte[] contents = await File.ReadAllBytesAsync(fileName, cancellationToken);
+
+                        if (request.MaxHeight.HasValue)
+                        {
+                            Either<BaseError, byte[]> resizeResult = await _imageCache
+                                .ResizeImage(contents, request.MaxHeight.Value);
+                            resizeResult.IfRight(result => contents = result);
+                        }
+
                         MimeType mimeType = MimeTypes.GetMimeType(contents);
                         return new ImageViewModel(contents, mimeType.Name);
                     });