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/Movies/Mapper.cs

@@ -0,0 +1,10 @@
+using ErsatzTV.Core.Domain;
+
+namespace ErsatzTV.Application.Movies
+{
+    internal static class Mapper
+    {
+        internal static MovieViewModel ProjectToViewModel(MovieMediaItem movie) =>
+            new(movie.Metadata.Title, movie.Metadata.Year?.ToString(), movie.Metadata.Plot, movie.Poster);
+    }
+}

ErsatzTV.Application/Movies/MovieViewModel.cs

@@ -0,0 +1,4 @@
+namespace ErsatzTV.Application.Movies
+{
+    public record MovieViewModel(string Title, string Year, string Plot, string Poster);
+}

ErsatzTV.Application/Movies/Queries/GetMovieById.cs

@@ -0,0 +1,7 @@
+using LanguageExt;
+using MediatR;
+
+namespace ErsatzTV.Application.Movies.Queries
+{
+    public record GetMovieById(int Id) : IRequest<Option<MovieViewModel>>;
+}

ErsatzTV.Application/Movies/Queries/GetMovieByIdHandler.cs

@@ -0,0 +1,22 @@
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+using static ErsatzTV.Application.Movies.Mapper;
+
+namespace ErsatzTV.Application.Movies.Queries
+{
+    public class GetMovieByIdHandler : IRequestHandler<GetMovieById, Option<MovieViewModel>>
+    {
+        private readonly IMovieRepository _movieRepository;
+
+        public GetMovieByIdHandler(IMovieRepository movieRepository) =>
+            _movieRepository = movieRepository;
+
+        public Task<Option<MovieViewModel>> Handle(
+            GetMovieById request,
+            CancellationToken cancellationToken) =>
+            _movieRepository.GetMovie(request.Id).MapT(ProjectToViewModel);
+    }
+}