rework television media (#26)

* rework television media

* refactor poster saving

* television and movie views are working again

* remove dead code

* use paper styling for all cards

* add show poster, plot to seasons page

* remove missing shows; cleanup interfaces

* fix split show display (same show in different folders/sources)

* add placeholder "add to schedule" button

* no more duplicate television shows, even with the same show split across sources

* stop releasing CLI for now

* use season number as season placeholder

* add television shows to collections

* add television seasons to collections

* add television episodes to collections

* add movies to collections

* remove movies, shows, seasons, episodes from collections

* fix page width and menus

* fix buffer size defaults

* fix chronological episode ordering

* allow deleting media collections

* don't get stuck building a playout with an empty collection

* schedule editing and playouts work again

* minor cleanup

* remove dead code

* fix bugs with viewing movies as they are loading

* add scanner tests; support nested movie folders

* update collections docs

* rearrange order of schedule items

* add show and season to schedule

* delete schedules that use legacy collections, reset all posters

* move cleanup to new migration

* load fallback metadata when nfo fails; don't require metadata in ui

* update readme and screenshots

ErsatzTV.Application/MediaSources/Commands/DeleteLocalMediaSourceHandler.cs

@@ -12,16 +12,10 @@ namespace ErsatzTV.Application.MediaSources.Commands
     public class
         DeleteLocalMediaSourceHandler : IRequestHandler<DeleteLocalMediaSource, Either<BaseError, Task>>
     {
-        private readonly IMediaCollectionRepository _mediaCollectionRepository;
         private readonly IMediaSourceRepository _mediaSourceRepository;
 
-        public DeleteLocalMediaSourceHandler(
-            IMediaSourceRepository mediaSourceRepository,
-            IMediaCollectionRepository mediaCollectionRepository)
-        {
+        public DeleteLocalMediaSourceHandler(IMediaSourceRepository mediaSourceRepository) =>
             _mediaSourceRepository = mediaSourceRepository;
-            _mediaCollectionRepository = mediaCollectionRepository;
-        }
 
         public async Task<Either<BaseError, Task>> Handle(
             DeleteLocalMediaSource request,
@@ -30,14 +24,8 @@ namespace ErsatzTV.Application.MediaSources.Commands
             .Map(DoDeletion)
             .ToEither<Task>();
 
-        private async Task DoDeletion(LocalMediaSource mediaSource)
-        {
+        private async Task DoDeletion(LocalMediaSource mediaSource) =>
             await _mediaSourceRepository.Delete(mediaSource.Id);
-            if (mediaSource.MediaType == MediaType.TvShow)
-            {
-                await _mediaCollectionRepository.DeleteEmptyTelevisionCollections();
-            }
-        }
 
         private async Task<Validation<BaseError, LocalMediaSource>> MediaSourceMustExist(
             DeleteLocalMediaSource deleteMediaSource) =>