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/Playouts/Mapper.cs

@@ -1,5 +1,5 @@
-using ErsatzTV.Core.Domain;
-using static LanguageExt.Prelude;
+using System.IO;
+using ErsatzTV.Core.Domain;
 
 namespace ErsatzTV.Application.Playouts
 {
@@ -22,15 +22,18 @@ namespace ErsatzTV.Application.Playouts
             new(programSchedule.Id, programSchedule.Name);
 
         private static string GetDisplayTitle(MediaItem mediaItem) =>
-            mediaItem.Metadata.MediaType == MediaType.TvShow &&
-            Optional(mediaItem.Metadata.SeasonNumber).IsSome &&
-            Optional(mediaItem.Metadata.EpisodeNumber).IsSome
-                ? $"{mediaItem.Metadata.Title} s{mediaItem.Metadata.SeasonNumber:00}e{mediaItem.Metadata.EpisodeNumber:00}"
-                : mediaItem.Metadata.Title;
+            mediaItem switch
+            {
+                TelevisionEpisodeMediaItem e => e.Metadata != null
+                    ? $"{e.Metadata.Title} - s{e.Metadata.Season:00}e{e.Metadata.Episode:00}"
+                    : Path.GetFileName(e.Path),
+                MovieMediaItem m => m.Metadata?.Title ?? Path.GetFileName(m.Path),
+                _ => string.Empty
+            };
 
         private static string GetDisplayDuration(MediaItem mediaItem) =>
             string.Format(
-                mediaItem.Metadata.Duration.TotalHours >= 1 ? @"{0:h\:mm\:ss}" : @"{0:mm\:ss}",
-                mediaItem.Metadata.Duration);
+                mediaItem.Statistics.Duration.TotalHours >= 1 ? @"{0:h\:mm\:ss}" : @"{0:mm\:ss}",
+                mediaItem.Statistics.Duration);
     }
 }