enable plex for television (#73)

* add plex show, season sync

* sync plex episodes

* sync plex episode statistics

* update plex artwork as needed

* code cleanup

* add note about tests

ErsatzTV.Application/Plex/Commands/SynchronizePlexLibraryByIdHandler.cs

@@ -24,17 +24,20 @@ namespace ErsatzTV.Application.Plex.Commands
         private readonly IMediaSourceRepository _mediaSourceRepository;
         private readonly IPlexMovieLibraryScanner _plexMovieLibraryScanner;
         private readonly IPlexSecretStore _plexSecretStore;
+        private readonly IPlexTelevisionLibraryScanner _plexTelevisionLibraryScanner;
 
         public SynchronizePlexLibraryByIdHandler(
             IMediaSourceRepository mediaSourceRepository,
             IPlexSecretStore plexSecretStore,
             IPlexMovieLibraryScanner plexMovieLibraryScanner,
+            IPlexTelevisionLibraryScanner plexTelevisionLibraryScanner,
             IEntityLocker entityLocker,
             ILogger<SynchronizePlexLibraryByIdHandler> logger)
         {
             _mediaSourceRepository = mediaSourceRepository;
             _plexSecretStore = plexSecretStore;
             _plexMovieLibraryScanner = plexMovieLibraryScanner;
+            _plexTelevisionLibraryScanner = plexTelevisionLibraryScanner;
             _entityLocker = entityLocker;
             _logger = logger;
         }
@@ -67,8 +70,10 @@ namespace ErsatzTV.Application.Plex.Commands
                             parameters.Library);
                         break;
                     case LibraryMediaKind.Shows:
-                        // TODO: plex tv scanner
-                        // await _televisionFolderScanner.ScanFolder(parameters.LocalMediaSource, parameters.FFprobePath);
+                        await _plexTelevisionLibraryScanner.ScanLibrary(
+                            parameters.ConnectionParameters.ActiveConnection,
+                            parameters.ConnectionParameters.PlexServerAuthToken,
+                            parameters.Library);
                         break;
                 }
 

ErsatzTV.Application/Streaming/Queries/GetPlayoutItemProcessByChannelNumberHandler.cs

@@ -158,12 +158,12 @@ namespace ErsatzTV.Application.Streaming.Queries
 
             MediaFile file = version.MediaFiles.Head();
             string path = file.Path;
-            if (playoutItem.MediaItem is PlexMovie plexMovie)
+            return playoutItem.MediaItem switch
             {
-                path = await GetReplacementPlexPath(plexMovie.LibraryPathId, path);
-            }
-
-            return path;
+                PlexMovie plexMovie => await GetReplacementPlexPath(plexMovie.LibraryPathId, path),
+                PlexEpisode plexEpisode => await GetReplacementPlexPath(plexEpisode.LibraryPathId, path),
+                _ => path
+            };
         }
 
         private async Task<string> GetReplacementPlexPath(int libraryPathId, string path)

ErsatzTV.Core.Tests/Fakes/FakeTelevisionRepository.cs

@@ -66,5 +66,16 @@ namespace ErsatzTV.Core.Tests.Fakes
         public Task<Unit> DeleteEmptySeasons(LibraryPath libraryPath) => throw new NotSupportedException();
 
         public Task<Unit> DeleteEmptyShows(LibraryPath libraryPath) => throw new NotSupportedException();
+
+        public Task<Either<BaseError, PlexShow>> GetOrAddPlexShow(PlexLibrary library, PlexShow item) =>
+            throw new NotSupportedException();
+
+        public Task<Either<BaseError, PlexSeason>> GetOrAddPlexSeason(PlexLibrary library, PlexSeason item) =>
+            throw new NotSupportedException();
+
+        public Task<Either<BaseError, PlexEpisode>> GetOrAddPlexEpisode(PlexLibrary library, PlexEpisode item) =>
+            throw new NotSupportedException();
+
+        public Task<Unit> AddGenre(ShowMetadata metadata, Genre genre) => throw new NotSupportedException();
     }
 }

ErsatzTV.Core/Domain/MediaItem/PlexEpisode.cs

@@ -0,0 +1,7 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class PlexEpisode : Episode
+    {
+        public string Key { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaItem/PlexSeason.cs

@@ -0,0 +1,7 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class PlexSeason : Season
+    {
+        public string Key { get; set; }
+    }
+}

ErsatzTV.Core/Domain/MediaItem/PlexShow.cs

@@ -0,0 +1,7 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class PlexShow : Show
+    {
+        public string Key { get; set; }
+    }
+}

ErsatzTV.Core/FFmpeg/FFmpegProcessBuilder.cs

@@ -218,13 +218,14 @@ namespace ErsatzTV.Core.FFmpeg
         public FFmpegProcessBuilder WithErrorText(IDisplaySize desiredResolution, string text)
         {
             const string FONT_FILE = "fontfile=Resources/Roboto-Regular.ttf";
-            const string FONT_SIZE = "fontsize=60";
             const string FONT_COLOR = "fontcolor=white";
             const string X = "x=(w-text_w)/2";
             const string Y = "y=(h-text_h)/3*2";
 
+            string fontSize = text.Length > 60 ? "fontsize=40" : "fontsize=60";
+
             return WithFilterComplex(
-                $"[0:0]scale={desiredResolution.Width}:{desiredResolution.Height},drawtext={FONT_FILE}:{FONT_SIZE}:{FONT_COLOR}:{X}:{Y}:text='{text}'[v]",
+                $"[0:0]scale={desiredResolution.Width}:{desiredResolution.Height},drawtext={FONT_FILE}:{fontSize}:{FONT_COLOR}:{X}:{Y}:text='{text}'[v]",
                 "[v]",
                 "1:a");
         }

ErsatzTV.Core/Interfaces/Plex/IPlexServerApiClient.cs

@@ -12,13 +12,30 @@ namespace ErsatzTV.Core.Interfaces.Plex
             PlexConnection connection,
             PlexServerAuthToken token);
 
-        Task<Either<BaseError, List<PlexMovie>>> GetLibraryContents(
+        Task<Either<BaseError, List<PlexMovie>>> GetMovieLibraryContents(
             PlexLibrary library,
             PlexConnection connection,
             PlexServerAuthToken token);
 
+        Task<Either<BaseError, List<PlexShow>>> GetShowLibraryContents(
+            PlexLibrary library,
+            PlexConnection connection,
+            PlexServerAuthToken token);
+
+        Task<Either<BaseError, List<PlexSeason>>> GetShowSeasons(
+            PlexLibrary library,
+            PlexShow show,
+            PlexConnection connection,
+            PlexServerAuthToken token);
+
+        Task<Either<BaseError, List<PlexEpisode>>> GetSeasonEpisodes(
+            PlexLibrary library,
+            PlexSeason season,
+            PlexConnection connection,
+            PlexServerAuthToken token);
+
         Task<Either<BaseError, MediaVersion>> GetStatistics(
-            PlexMovie movie,
+            string key,
             PlexConnection connection,
             PlexServerAuthToken token);
     }

ErsatzTV.Core/Interfaces/Plex/IPlexTelevisionLibraryScanner.cs

@@ -0,0 +1,15 @@
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Plex;
+using LanguageExt;
+
+namespace ErsatzTV.Core.Interfaces.Plex
+{
+    public interface IPlexTelevisionLibraryScanner
+    {
+        Task<Either<BaseError, Unit>> ScanLibrary(
+            PlexConnection connection,
+            PlexServerAuthToken token,
+            PlexLibrary plexMediaSourceLibrary);
+    }
+}

ErsatzTV.Core/Interfaces/Repositories/IMetadataRepository.cs

@@ -0,0 +1,15 @@
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using LanguageExt;
+
+namespace ErsatzTV.Core.Interfaces.Repositories
+{
+    public interface IMetadataRepository
+    {
+        Task<Unit> RemoveGenre(Genre genre);
+        Task<Unit> UpdateStatistics(MediaVersion mediaVersion);
+        Task<Unit> UpdateArtworkPath(Artwork artwork);
+        Task<Unit> AddArtwork(Domain.Metadata metadata, Artwork artwork);
+        Task<Unit> RemoveArtwork(Domain.Metadata metadata, ArtworkKind artworkKind);
+    }
+}

ErsatzTV.Core/Interfaces/Repositories/ITelevisionRepository.cs

@@ -32,5 +32,9 @@ namespace ErsatzTV.Core.Interfaces.Repositories
         Task<Unit> DeleteByPath(LibraryPath libraryPath, string path);
         Task<Unit> DeleteEmptySeasons(LibraryPath libraryPath);
         Task<Unit> DeleteEmptyShows(LibraryPath libraryPath);
+        Task<Either<BaseError, PlexShow>> GetOrAddPlexShow(PlexLibrary library, PlexShow item);
+        Task<Either<BaseError, PlexSeason>> GetOrAddPlexSeason(PlexLibrary library, PlexSeason item);
+        Task<Either<BaseError, PlexEpisode>> GetOrAddPlexEpisode(PlexLibrary library, PlexEpisode item);
+        Task<Unit> AddGenre(ShowMetadata metadata, Genre genre);
     }
 }

ErsatzTV.Core/Plex/PlexLibraryScanner.cs

@@ -0,0 +1,58 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using static LanguageExt.Prelude;
+
+namespace ErsatzTV.Core.Plex
+{
+    public abstract class PlexLibraryScanner
+    {
+        private readonly IMetadataRepository _metadataRepository;
+
+        protected PlexLibraryScanner(IMetadataRepository metadataRepository) =>
+            _metadataRepository = metadataRepository;
+
+        protected async Task<Unit> UpdateArtworkIfNeeded(
+            Domain.Metadata existingMetadata,
+            Domain.Metadata incomingMetadata,
+            ArtworkKind artworkKind)
+        {
+            if (incomingMetadata.DateUpdated > existingMetadata.DateUpdated)
+            {
+                Option<Artwork> maybeIncomingArtwork = Optional(incomingMetadata.Artwork).Flatten()
+                    .Find(a => a.ArtworkKind == artworkKind);
+
+                await maybeIncomingArtwork.Match(
+                    async incomingArtwork =>
+                    {
+                        Option<Artwork> maybeExistingArtwork = Optional(existingMetadata.Artwork).Flatten()
+                            .Find(a => a.ArtworkKind == artworkKind);
+
+                        await maybeExistingArtwork.Match(
+                            async existingArtwork =>
+                            {
+                                existingArtwork.Path = incomingArtwork.Path;
+                                existingArtwork.DateUpdated = incomingArtwork.DateUpdated;
+                                await _metadataRepository.UpdateArtworkPath(existingArtwork);
+                            },
+                            async () =>
+                            {
+                                existingMetadata.Artwork ??= new List<Artwork>();
+                                existingMetadata.Artwork.Add(incomingArtwork);
+                                await _metadataRepository.AddArtwork(existingMetadata, incomingArtwork);
+                            });
+                    },
+                    async () =>
+                    {
+                        existingMetadata.Artwork ??= new List<Artwork>();
+                        existingMetadata.Artwork.RemoveAll(a => a.ArtworkKind == artworkKind);
+                        await _metadataRepository.RemoveArtwork(existingMetadata, artworkKind);
+                    });
+            }
+
+            return Unit.Default;
+        }
+    }
+}

ErsatzTV.Core/Plex/PlexMovieLibraryScanner.cs

@@ -10,7 +10,7 @@ using static LanguageExt.Prelude;
 
 namespace ErsatzTV.Core.Plex
 {
-    public class PlexMovieLibraryScanner : IPlexMovieLibraryScanner
+    public class PlexMovieLibraryScanner : PlexLibraryScanner, IPlexMovieLibraryScanner
     {
         private readonly ILogger<PlexMovieLibraryScanner> _logger;
         private readonly IMovieRepository _movieRepository;
@@ -19,7 +19,9 @@ namespace ErsatzTV.Core.Plex
         public PlexMovieLibraryScanner(
             IPlexServerApiClient plexServerApiClient,
             IMovieRepository movieRepository,
+            IMetadataRepository metadataRepository,
             ILogger<PlexMovieLibraryScanner> logger)
+            : base(metadataRepository)
         {
             _plexServerApiClient = plexServerApiClient;
             _movieRepository = movieRepository;
@@ -31,7 +33,7 @@ namespace ErsatzTV.Core.Plex
             PlexServerAuthToken token,
             PlexLibrary plexMediaSourceLibrary)
         {
-            Either<BaseError, List<PlexMovie>> entries = await _plexServerApiClient.GetLibraryContents(
+            Either<BaseError, List<PlexMovie>> entries = await _plexServerApiClient.GetMovieLibraryContents(
                 plexMediaSourceLibrary,
                 connection,
                 token);
@@ -71,8 +73,6 @@ namespace ErsatzTV.Core.Plex
                     return Task.CompletedTask;
                 });
 
-            // need plex media item model that can be used to lookup by unique id (metadata key?)
-
             return Unit.Default;
         }
 
@@ -89,7 +89,7 @@ namespace ErsatzTV.Core.Plex
                 string.IsNullOrWhiteSpace(existingVersion.SampleAspectRatio))
             {
                 Either<BaseError, MediaVersion> maybeStatistics =
-                    await _plexServerApiClient.GetStatistics(incoming, connection, token);
+                    await _plexServerApiClient.GetStatistics(incoming.Key.Split("/").Last(), connection, token);
 
                 maybeStatistics.IfRight(
                     mediaVersion =>
@@ -128,51 +128,18 @@ namespace ErsatzTV.Core.Plex
             return Right<BaseError, PlexMovie>(existing).AsTask();
         }
 
-        private Task<Either<BaseError, PlexMovie>> UpdateArtwork(PlexMovie existing, PlexMovie incoming)
+        private async Task<Either<BaseError, PlexMovie>> UpdateArtwork(PlexMovie existing, PlexMovie incoming)
         {
             MovieMetadata existingMetadata = existing.MovieMetadata.Head();
             MovieMetadata incomingMetadata = incoming.MovieMetadata.Head();
 
             if (incomingMetadata.DateUpdated > existingMetadata.DateUpdated)
             {
-                UpdateArtworkIfNeeded(existingMetadata, incomingMetadata, ArtworkKind.Poster);
-                UpdateArtworkIfNeeded(existingMetadata, incomingMetadata, ArtworkKind.FanArt);
+                await UpdateArtworkIfNeeded(existingMetadata, incomingMetadata, ArtworkKind.Poster);
+                await UpdateArtworkIfNeeded(existingMetadata, incomingMetadata, ArtworkKind.FanArt);
             }
 
-            return Right<BaseError, PlexMovie>(existing).AsTask();
-        }
-
-        private void UpdateArtworkIfNeeded(
-            MovieMetadata existingMetadata,
-            MovieMetadata incomingMetadata,
-            ArtworkKind artworkKind)
-        {
-            Option<Artwork> maybeIncomingArtwork = Optional(incomingMetadata.Artwork).Flatten()
-                .Find(a => a.ArtworkKind == artworkKind);
-
-            maybeIncomingArtwork.Match(
-                incomingArtwork =>
-                {
-                    Option<Artwork> maybeExistingArtwork = Optional(existingMetadata.Artwork).Flatten()
-                        .Find(a => a.ArtworkKind == artworkKind);
-
-                    maybeExistingArtwork.Match(
-                        existingArtwork =>
-                        {
-                            existingArtwork.Path = incomingArtwork.Path;
-                            existingArtwork.DateUpdated = incomingArtwork.DateUpdated;
-                        },
-                        () =>
-                        {
-                            existingMetadata.Artwork ??= new List<Artwork>();
-                            existingMetadata.Artwork.Add(incomingArtwork);
-                        });
-                },
-                () =>
-                {
-                    existingMetadata.Artwork ??= new List<Artwork>();
-                    existingMetadata.Artwork.RemoveAll(a => a.ArtworkKind == artworkKind);
-                });
+            return existing;
         }
     }
 }

ErsatzTV.Core/Plex/PlexTelevisionLibraryScanner.cs

@@ -0,0 +1,281 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Plex;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using Microsoft.Extensions.Logging;
+using static LanguageExt.Prelude;
+
+namespace ErsatzTV.Core.Plex
+{
+    public class PlexTelevisionLibraryScanner : PlexLibraryScanner, IPlexTelevisionLibraryScanner
+    {
+        private readonly ILogger<PlexTelevisionLibraryScanner> _logger;
+        private readonly IMetadataRepository _metadataRepository;
+        private readonly IPlexServerApiClient _plexServerApiClient;
+        private readonly ITelevisionRepository _televisionRepository;
+
+        public PlexTelevisionLibraryScanner(
+            IPlexServerApiClient plexServerApiClient,
+            ITelevisionRepository televisionRepository,
+            IMetadataRepository metadataRepository,
+            ILogger<PlexTelevisionLibraryScanner> logger)
+            : base(metadataRepository)
+        {
+            _plexServerApiClient = plexServerApiClient;
+            _televisionRepository = televisionRepository;
+            _metadataRepository = metadataRepository;
+            _logger = logger;
+        }
+
+        public async Task<Either<BaseError, Unit>> ScanLibrary(
+            PlexConnection connection,
+            PlexServerAuthToken token,
+            PlexLibrary plexMediaSourceLibrary)
+        {
+            Either<BaseError, List<PlexShow>> entries = await _plexServerApiClient.GetShowLibraryContents(
+                plexMediaSourceLibrary,
+                connection,
+                token);
+
+            return await entries.Match<Task<Either<BaseError, Unit>>>(
+                async showEntries =>
+                {
+                    foreach (PlexShow incoming in showEntries)
+                    {
+                        // TODO: optimize dbcontext use here, do we need tracking? can we make partial updates with dapper?
+                        // TODO: figure out how to rebuild playlists
+                        Either<BaseError, PlexShow> maybeShow = await _televisionRepository
+                            .GetOrAddPlexShow(plexMediaSourceLibrary, incoming)
+                            .BindT(existing => UpdateMetadata(existing, incoming))
+                            .BindT(existing => UpdateArtwork(existing, incoming));
+
+                        await maybeShow.Match(
+                            async show => await ScanSeasons(plexMediaSourceLibrary, show, connection, token),
+                            error =>
+                            {
+                                _logger.LogWarning(
+                                    "Error processing plex show at {Key}: {Error}",
+                                    incoming.Key,
+                                    error.Value);
+                                return Task.CompletedTask;
+                            });
+                    }
+
+                    // TODO: delete removed shows
+
+                    return Unit.Default;
+                },
+                error =>
+                {
+                    _logger.LogWarning(
+                        "Error synchronizing plex library {Path}: {Error}",
+                        plexMediaSourceLibrary.Name,
+                        error.Value);
+
+                    return Left<BaseError, Unit>(error).AsTask();
+                });
+        }
+
+        private Task<Either<BaseError, PlexShow>> UpdateMetadata(PlexShow existing, PlexShow incoming)
+        {
+            ShowMetadata existingMetadata = existing.ShowMetadata.Head();
+            ShowMetadata incomingMetadata = incoming.ShowMetadata.Head();
+
+            // TODO: this probably doesn't work
+            // plex doesn't seem to update genres returned by the main library call
+            if (incomingMetadata.DateUpdated > existingMetadata.DateUpdated)
+            {
+                foreach (Genre genre in existingMetadata.Genres
+                    .Filter(g => incomingMetadata.Genres.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    existingMetadata.Genres.Remove(genre);
+                    _metadataRepository.RemoveGenre(genre);
+                }
+
+                foreach (Genre genre in incomingMetadata.Genres
+                    .Filter(g => existingMetadata.Genres.All(g2 => g2.Name != g.Name))
+                    .ToList())
+                {
+                    existingMetadata.Genres.Add(genre);
+                    _televisionRepository.AddGenre(existingMetadata, genre);
+                }
+            }
+
+            return Right<BaseError, PlexShow>(existing).AsTask();
+        }
+
+        private async Task<Either<BaseError, PlexShow>> UpdateArtwork(PlexShow existing, PlexShow incoming)
+        {
+            ShowMetadata existingMetadata = existing.ShowMetadata.Head();
+            ShowMetadata incomingMetadata = incoming.ShowMetadata.Head();
+
+            if (incomingMetadata.DateUpdated > existingMetadata.DateUpdated)
+            {
+                await UpdateArtworkIfNeeded(existingMetadata, incomingMetadata, ArtworkKind.Poster);
+                await UpdateArtworkIfNeeded(existingMetadata, incomingMetadata, ArtworkKind.FanArt);
+            }
+
+            return existing;
+        }
+
+        private async Task<Either<BaseError, Unit>> ScanSeasons(
+            PlexLibrary plexMediaSourceLibrary,
+            PlexShow show,
+            PlexConnection connection,
+            PlexServerAuthToken token)
+        {
+            Either<BaseError, List<PlexSeason>> entries = await _plexServerApiClient.GetShowSeasons(
+                plexMediaSourceLibrary,
+                show,
+                connection,
+                token);
+
+            return await entries.Match<Task<Either<BaseError, Unit>>>(
+                async seasonEntries =>
+                {
+                    foreach (PlexSeason incoming in seasonEntries)
+                    {
+                        incoming.ShowId = show.Id;
+
+                        // TODO: optimize dbcontext use here, do we need tracking? can we make partial updates with dapper?
+                        // TODO: figure out how to rebuild playlists
+                        Either<BaseError, PlexSeason> maybeSeason = await _televisionRepository
+                            .GetOrAddPlexSeason(plexMediaSourceLibrary, incoming)
+                            .BindT(existing => UpdateArtwork(existing, incoming));
+
+                        await maybeSeason.Match(
+                            async season => await ScanEpisodes(plexMediaSourceLibrary, season, connection, token),
+                            error =>
+                            {
+                                _logger.LogWarning(
+                                    "Error processing plex show at {Key}: {Error}",
+                                    incoming.Key,
+                                    error.Value);
+                                return Task.CompletedTask;
+                            });
+                    }
+
+                    // TODO: delete removed seasons
+
+                    return Unit.Default;
+                },
+                error =>
+                {
+                    _logger.LogWarning(
+                        "Error synchronizing plex library {Path}: {Error}",
+                        plexMediaSourceLibrary.Name,
+                        error.Value);
+
+                    return Left<BaseError, Unit>(error).AsTask();
+                });
+        }
+
+        private async Task<Either<BaseError, PlexSeason>> UpdateArtwork(PlexSeason existing, PlexSeason incoming)
+        {
+            SeasonMetadata existingMetadata = existing.SeasonMetadata.Head();
+            SeasonMetadata incomingMetadata = incoming.SeasonMetadata.Head();
+
+            if (incomingMetadata.DateUpdated > existingMetadata.DateUpdated)
+            {
+                await UpdateArtworkIfNeeded(existingMetadata, incomingMetadata, ArtworkKind.Poster);
+            }
+
+            return existing;
+        }
+
+        private async Task<Either<BaseError, Unit>> ScanEpisodes(
+            PlexLibrary plexMediaSourceLibrary,
+            PlexSeason season,
+            PlexConnection connection,
+            PlexServerAuthToken token)
+        {
+            Either<BaseError, List<PlexEpisode>> entries = await _plexServerApiClient.GetSeasonEpisodes(
+                plexMediaSourceLibrary,
+                season,
+                connection,
+                token);
+
+            return await entries.Match<Task<Either<BaseError, Unit>>>(
+                async episodeEntries =>
+                {
+                    foreach (PlexEpisode incoming in episodeEntries)
+                    {
+                        incoming.SeasonId = season.Id;
+
+                        // TODO: optimize dbcontext use here, do we need tracking? can we make partial updates with dapper?
+                        // TODO: figure out how to rebuild playlists
+                        Either<BaseError, PlexEpisode> maybeEpisode = await _televisionRepository
+                            .GetOrAddPlexEpisode(plexMediaSourceLibrary, incoming)
+                            .BindT(existing => UpdateStatistics(existing, incoming, connection, token))
+                            .BindT(existing => UpdateArtwork(existing, incoming));
+
+                        maybeEpisode.IfLeft(
+                            error => _logger.LogWarning(
+                                "Error processing plex episode at {Key}: {Error}",
+                                incoming.Key,
+                                error.Value));
+                    }
+
+                    // TODO: delete removed episodes
+
+                    return Unit.Default;
+                },
+                error =>
+                {
+                    _logger.LogWarning(
+                        "Error synchronizing plex library {Path}: {Error}",
+                        plexMediaSourceLibrary.Name,
+                        error.Value);
+
+                    return Left<BaseError, Unit>(error).AsTask();
+                });
+        }
+
+        private async Task<Either<BaseError, PlexEpisode>> UpdateStatistics(
+            PlexEpisode existing,
+            PlexEpisode incoming,
+            PlexConnection connection,
+            PlexServerAuthToken token)
+        {
+            MediaVersion existingVersion = existing.MediaVersions.Head();
+            MediaVersion incomingVersion = incoming.MediaVersions.Head();
+
+            if (incomingVersion.DateUpdated > existingVersion.DateUpdated ||
+                string.IsNullOrWhiteSpace(existingVersion.SampleAspectRatio))
+            {
+                Either<BaseError, MediaVersion> maybeStatistics =
+                    await _plexServerApiClient.GetStatistics(incoming.Key.Split("/").Last(), connection, token);
+
+                await maybeStatistics.Match(
+                    async mediaVersion =>
+                    {
+                        existingVersion.SampleAspectRatio = mediaVersion.SampleAspectRatio ?? "1:1";
+                        existingVersion.VideoScanKind = mediaVersion.VideoScanKind;
+                        existingVersion.DateUpdated = incomingVersion.DateUpdated;
+
+                        await _metadataRepository.UpdateStatistics(existingVersion);
+                    },
+                    _ => Task.CompletedTask);
+            }
+
+            return Right<BaseError, PlexEpisode>(existing);
+        }
+
+        private async Task<Either<BaseError, PlexEpisode>> UpdateArtwork(PlexEpisode existing, PlexEpisode incoming)
+        {
+            EpisodeMetadata existingMetadata = existing.EpisodeMetadata.Head();
+            EpisodeMetadata incomingMetadata = incoming.EpisodeMetadata.Head();
+
+            if (incomingMetadata.DateUpdated > existingMetadata.DateUpdated)
+            {
+                await UpdateArtworkIfNeeded(existingMetadata, incomingMetadata, ArtworkKind.Thumbnail);
+            }
+
+            return existing;
+        }
+    }
+}

ErsatzTV.Core/Scheduling/PlayoutBuilder.cs

@@ -13,6 +13,8 @@ using Map = LanguageExt.Map;
 
 namespace ErsatzTV.Core.Scheduling
 {
+    // TODO: these tests fail on days when offset changes
+    // because the change happens during the playout
     public class PlayoutBuilder : IPlayoutBuilder
     {
         private static readonly Random Random = new();

ErsatzTV.Infrastructure/Data/Configurations/MediaItem/PlexEpisodeConfiguration.cs

@@ -0,0 +1,11 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class PlexEpisodeConfiguration : IEntityTypeConfiguration<PlexEpisode>
+    {
+        public void Configure(EntityTypeBuilder<PlexEpisode> builder) => builder.ToTable("PlexEpisode");
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaItem/PlexSeasonConfiguration.cs

@@ -0,0 +1,11 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class PlexSeasonConfiguration : IEntityTypeConfiguration<PlexSeason>
+    {
+        public void Configure(EntityTypeBuilder<PlexSeason> builder) => builder.ToTable("PlexSeason");
+    }
+}

ErsatzTV.Infrastructure/Data/Configurations/MediaItem/PlexShowConfiguration.cs

@@ -0,0 +1,11 @@
+using ErsatzTV.Core.Domain;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ErsatzTV.Infrastructure.Data.Configurations
+{
+    public class PlexShowConfiguration : IEntityTypeConfiguration<PlexShow>
+    {
+        public void Configure(EntityTypeBuilder<PlexShow> builder) => builder.ToTable("PlexShow");
+    }
+}

ErsatzTV.Infrastructure/Data/Repositories/MediaItemRepository.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Data;
 using System.Linq;
 using System.Threading.Tasks;
 using ErsatzTV.Core.Domain;
@@ -11,18 +12,30 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
 {
     public class MediaItemRepository : IMediaItemRepository
     {
-        private readonly TvContext _dbContext;
+        private readonly IDbConnection _dbConnection;
+        private readonly IDbContextFactory<TvContext> _dbContextFactory;
 
-        public MediaItemRepository(TvContext dbContext) => _dbContext = dbContext;
+        public MediaItemRepository(IDbContextFactory<TvContext> dbContextFactory, IDbConnection dbConnection)
+        {
+            _dbContextFactory = dbContextFactory;
+            _dbConnection = dbConnection;
+        }
 
-        public Task<Option<MediaItem>> Get(int id) =>
-            _dbContext.MediaItems
+        public async Task<Option<MediaItem>> Get(int id)
+        {
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+            return await context.MediaItems
                 .Include(i => i.LibraryPath)
                 .OrderBy(i => i.Id)
                 .SingleOrDefaultAsync(i => i.Id == id)
                 .Map(Optional);
+        }
 
-        public Task<List<MediaItem>> GetAll() => _dbContext.MediaItems.ToListAsync();
+        public async Task<List<MediaItem>> GetAll()
+        {
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+            return await context.MediaItems.ToListAsync();
+        }
 
         public Task<List<MediaItem>> Search(string searchString) =>
             // TODO: fix this when we need to search
@@ -47,8 +60,9 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
 
         public async Task<bool> Update(MediaItem mediaItem)
         {
-            _dbContext.MediaItems.Update(mediaItem);
-            return await _dbContext.SaveChangesAsync() > 0;
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+            context.MediaItems.Update(mediaItem);
+            return await context.SaveChangesAsync() > 0;
         }
     }
 }

ErsatzTV.Infrastructure/Data/Repositories/MediaSourceRepository.cs

@@ -195,6 +195,33 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                 INNER JOIN Library l ON l.Id = lp.LibraryId
                 WHERE l.Id IN @ids)",
                 new { ids = libraryIds });
+
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN PlexEpisode pe ON pe.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids)",
+                new { ids = libraryIds });
+
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN PlexSeason ps ON ps.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids)",
+                new { ids = libraryIds });
+
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN PlexShow ps ON ps.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids)",
+                new { ids = libraryIds });
         }
 
         public Task EnablePlexLibrarySync(IEnumerable<int> libraryIds) =>

ErsatzTV.Infrastructure/Data/Repositories/MetadataRepository.cs

@@ -0,0 +1,78 @@
+using System.Data;
+using System.Threading.Tasks;
+using Dapper;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+
+namespace ErsatzTV.Infrastructure.Data.Repositories
+{
+    public class MetadataRepository : IMetadataRepository
+    {
+        private readonly IDbConnection _dbConnection;
+
+        public MetadataRepository(IDbConnection dbConnection) => _dbConnection = dbConnection;
+
+        public Task<Unit> RemoveGenre(Genre genre) =>
+            _dbConnection.ExecuteAsync("DELETE FROM Genre WHERE Id = @GenreId", new { GenreId = genre.Id }).ToUnit();
+
+        public Task<Unit> UpdateStatistics(MediaVersion mediaVersion) =>
+            _dbConnection.ExecuteAsync(
+                @"UPDATE MediaVersion SET
+                  SampleAspectRatio = @SampleAspectRatio,
+                  VideoScanKind = @VideoScanKind,
+                  DateUpdated = @DateUpdated
+                  WHERE Id = @MediaVersionId",
+                new
+                {
+                    mediaVersion.SampleAspectRatio,
+                    mediaVersion.VideoScanKind,
+                    mediaVersion.DateUpdated,
+                    MediaVersionId = mediaVersion.Id
+                }).ToUnit();
+
+        public Task<Unit> UpdateArtworkPath(Artwork artwork) =>
+            _dbConnection.ExecuteAsync(
+                "UPDATE Artwork SET Path = @Path, DateUpdated = @DateUpdated WHERE Id = @Id",
+                new { artwork.Path, artwork.DateUpdated, artwork.Id }).ToUnit();
+
+        public Task<Unit> AddArtwork(Metadata metadata, Artwork artwork)
+        {
+            var parameters = new
+            {
+                artwork.ArtworkKind, metadata.Id, artwork.DateAdded, artwork.DateUpdated, artwork.Path
+            };
+
+            return metadata switch
+            {
+                MovieMetadata => _dbConnection.ExecuteAsync(
+                        @"INSERT INTO Artwork (ArtworkKind, MovieMetadataId, DateAdded, DateUpdated, Path)
+                            VALUES (@ArtworkKind, @Id, @DateAdded, @DateUpdated, @Path)",
+                        parameters)
+                    .ToUnit(),
+                ShowMetadata => _dbConnection.ExecuteAsync(
+                        @"INSERT INTO Artwork (ArtworkKind, ShowMetadataId, DateAdded, DateUpdated, Path)
+                            VALUES (@ArtworkKind, @Id, @DateAdded, @DateUpdated, @Path)",
+                        parameters)
+                    .ToUnit(),
+                SeasonMetadata => _dbConnection.ExecuteAsync(
+                        @"INSERT INTO Artwork (ArtworkKind, SeasonMetadataId, DateAdded, DateUpdated, Path)
+                            VALUES (@ArtworkKind, @Id, @DateAdded, @DateUpdated, @Path)",
+                        parameters)
+                    .ToUnit(),
+                EpisodeMetadata => _dbConnection.ExecuteAsync(
+                        @"INSERT INTO Artwork (ArtworkKind, EpisodeMetadataId, DateAdded, DateUpdated, Path)
+                            VALUES (@ArtworkKind, @Id, @DateAdded, @DateUpdated, @Path)",
+                        parameters)
+                    .ToUnit(),
+                _ => Task.FromResult(Unit.Default)
+            };
+        }
+
+        public Task<Unit> RemoveArtwork(Metadata metadata, ArtworkKind artworkKind) =>
+            _dbConnection.ExecuteAsync(
+                @"DELETE FROM Artwork WHERE ArtworkKind = @ArtworkKind AND (MovieMetadataId = @Id
+                OR ShowMetadataId = @Id OR SeasonMetadataId = @Id OR EpisodeMetadataId = @Id)",
+                new { ArtworkKind = artworkKind, metadata.Id }).ToUnit();
+    }
+}

ErsatzTV.Infrastructure/Data/Repositories/TelevisionRepository.cs

@@ -17,11 +17,16 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
     {
         private readonly IDbConnection _dbConnection;
         private readonly TvContext _dbContext;
+        private readonly IDbContextFactory<TvContext> _dbContextFactory;
 
-        public TelevisionRepository(TvContext dbContext, IDbConnection dbConnection)
+        public TelevisionRepository(
+            TvContext dbContext,
+            IDbConnection dbConnection,
+            IDbContextFactory<TvContext> dbContextFactory)
         {
             _dbContext = dbContext;
             _dbConnection = dbConnection;
+            _dbContextFactory = dbContextFactory;
         }
 
         public Task<bool> AllShowsExist(List<int> showIds) =>
@@ -305,6 +310,60 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                     })
                 .ToUnit();
 
+        public async Task<Either<BaseError, PlexShow>> GetOrAddPlexShow(PlexLibrary library, PlexShow item)
+        {
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+            Option<PlexShow> maybeExisting = await context.PlexShows
+                .AsNoTracking()
+                .Include(i => i.ShowMetadata)
+                .ThenInclude(mm => mm.Genres)
+                .Include(i => i.ShowMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .OrderBy(i => i.Key)
+                .SingleOrDefaultAsync(i => i.Key == item.Key);
+
+            return await maybeExisting.Match(
+                plexShow => Right<BaseError, PlexShow>(plexShow).AsTask(),
+                async () => await AddPlexShow(context, library, item));
+        }
+
+        public async Task<Either<BaseError, PlexSeason>> GetOrAddPlexSeason(PlexLibrary library, PlexSeason item)
+        {
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+            Option<PlexSeason> maybeExisting = await context.PlexSeasons
+                .AsNoTracking()
+                .Include(i => i.SeasonMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .OrderBy(i => i.Key)
+                .SingleOrDefaultAsync(i => i.Key == item.Key);
+
+            return await maybeExisting.Match(
+                plexSeason => Right<BaseError, PlexSeason>(plexSeason).AsTask(),
+                async () => await AddPlexSeason(context, library, item));
+        }
+
+        public async Task<Either<BaseError, PlexEpisode>> GetOrAddPlexEpisode(PlexLibrary library, PlexEpisode item)
+        {
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+            Option<PlexEpisode> maybeExisting = await context.PlexEpisodes
+                .AsNoTracking()
+                .Include(i => i.EpisodeMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .Include(i => i.MediaVersions)
+                .ThenInclude(mv => mv.MediaFiles)
+                .OrderBy(i => i.Key)
+                .SingleOrDefaultAsync(i => i.Key == item.Key);
+
+            return await maybeExisting.Match(
+                plexEpisode => Right<BaseError, PlexEpisode>(plexEpisode).AsTask(),
+                async () => await AddPlexEpisode(context, library, item));
+        }
+
+        public Task<Unit> AddGenre(ShowMetadata metadata, Genre genre) =>
+            _dbConnection.ExecuteAsync(
+                "INSERT INTO Genre (Name, SeasonMetadataId) VALUES (@Name, @MetadataId)",
+                new { genre.Name, MetadataId = metadata.Id }).ToUnit();
+
         public async Task<List<Episode>> GetShowItems(int showId)
         {
             IEnumerable<int> ids = await _dbConnection.QueryAsync<int>(
@@ -381,5 +440,65 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                 return BaseError.New(ex.Message);
             }
         }
+
+        private async Task<Either<BaseError, PlexShow>> AddPlexShow(
+            TvContext context,
+            PlexLibrary library,
+            PlexShow item)
+        {
+            try
+            {
+                item.LibraryPathId = library.Paths.Head().Id;
+
+                await context.PlexShows.AddAsync(item);
+                await context.SaveChangesAsync();
+                await context.Entry(item).Reference(i => i.LibraryPath).LoadAsync();
+                return item;
+            }
+            catch (Exception ex)
+            {
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        private async Task<Either<BaseError, PlexSeason>> AddPlexSeason(
+            TvContext context,
+            PlexLibrary library,
+            PlexSeason item)
+        {
+            try
+            {
+                item.LibraryPathId = library.Paths.Head().Id;
+
+                await context.PlexSeasons.AddAsync(item);
+                await context.SaveChangesAsync();
+                await context.Entry(item).Reference(i => i.LibraryPath).LoadAsync();
+                return item;
+            }
+            catch (Exception ex)
+            {
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        private async Task<Either<BaseError, PlexEpisode>> AddPlexEpisode(
+            TvContext context,
+            PlexLibrary library,
+            PlexEpisode item)
+        {
+            try
+            {
+                item.LibraryPathId = library.Paths.Head().Id;
+
+                await context.PlexEpisodes.AddAsync(item);
+                await context.SaveChangesAsync();
+                await context.Entry(item).Reference(i => i.LibraryPath).LoadAsync();
+                return item;
+            }
+            catch (Exception ex)
+            {
+                return BaseError.New(ex.Message);
+            }
+        }
     }
 }

ErsatzTV.Infrastructure/Data/TvContext.cs

@@ -33,6 +33,9 @@ namespace ErsatzTV.Infrastructure.Data
         public DbSet<Episode> Episodes { get; set; }
         public DbSet<EpisodeMetadata> EpisodeMetadata { get; set; }
         public DbSet<PlexMovie> PlexMovies { get; set; }
+        public DbSet<PlexShow> PlexShows { get; set; }
+        public DbSet<PlexSeason> PlexSeasons { get; set; }
+        public DbSet<PlexEpisode> PlexEpisodes { get; set; }
         public DbSet<Collection> Collections { get; set; }
         public DbSet<CollectionItem> CollectionItems { get; set; }
         public DbSet<ProgramSchedule> ProgramSchedules { get; set; }

ErsatzTV.Infrastructure/Migrations/20210314023600_Add_PlexTelevision.cs

@@ -0,0 +1,79 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace ErsatzTV.Infrastructure.Migrations
+{
+    public partial class Add_PlexTelevision : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                "PlexEpisode",
+                table => new
+                {
+                    Id = table.Column<int>("INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Key = table.Column<string>("TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PlexEpisode", x => x.Id);
+                    table.ForeignKey(
+                        "FK_PlexEpisode_Episode_Id",
+                        x => x.Id,
+                        "Episode",
+                        "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                "PlexSeason",
+                table => new
+                {
+                    Id = table.Column<int>("INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Key = table.Column<string>("TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PlexSeason", x => x.Id);
+                    table.ForeignKey(
+                        "FK_PlexSeason_Season_Id",
+                        x => x.Id,
+                        "Season",
+                        "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                "PlexShow",
+                table => new
+                {
+                    Id = table.Column<int>("INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Key = table.Column<string>("TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PlexShow", x => x.Id);
+                    table.ForeignKey(
+                        "FK_PlexShow_Show_Id",
+                        x => x.Id,
+                        "Show",
+                        "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                "PlexEpisode");
+
+            migrationBuilder.DropTable(
+                "PlexSeason");
+
+            migrationBuilder.DropTable(
+                "PlexShow");
+        }
+    }
+}

ErsatzTV.Infrastructure/Migrations/TvContextModelSnapshot.cs

@@ -1044,6 +1044,18 @@ namespace ErsatzTV.Infrastructure.Migrations
                     b.ToTable("ProgramScheduleOneItem");
                 });
 
+            modelBuilder.Entity(
+                "ErsatzTV.Core.Domain.PlexEpisode",
+                b =>
+                {
+                    b.HasBaseType("ErsatzTV.Core.Domain.Episode");
+
+                    b.Property<string>("Key")
+                        .HasColumnType("TEXT");
+
+                    b.ToTable("PlexEpisode");
+                });
+
             modelBuilder.Entity(
                 "ErsatzTV.Core.Domain.PlexMovie",
                 b =>
@@ -1056,6 +1068,30 @@ namespace ErsatzTV.Infrastructure.Migrations
                     b.ToTable("PlexMovie");
                 });
 
+            modelBuilder.Entity(
+                "ErsatzTV.Core.Domain.PlexSeason",
+                b =>
+                {
+                    b.HasBaseType("ErsatzTV.Core.Domain.Season");
+
+                    b.Property<string>("Key")
+                        .HasColumnType("TEXT");
+
+                    b.ToTable("PlexSeason");
+                });
+
+            modelBuilder.Entity(
+                "ErsatzTV.Core.Domain.PlexShow",
+                b =>
+                {
+                    b.HasBaseType("ErsatzTV.Core.Domain.Show");
+
+                    b.Property<string>("Key")
+                        .HasColumnType("TEXT");
+
+                    b.ToTable("PlexShow");
+                });
+
             modelBuilder.Entity(
                 "ErsatzTV.Core.Domain.Artwork",
                 b =>
@@ -1645,6 +1681,17 @@ namespace ErsatzTV.Infrastructure.Migrations
                         .IsRequired();
                 });
 
+            modelBuilder.Entity(
+                "ErsatzTV.Core.Domain.PlexEpisode",
+                b =>
+                {
+                    b.HasOne("ErsatzTV.Core.Domain.Episode", null)
+                        .WithOne()
+                        .HasForeignKey("ErsatzTV.Core.Domain.PlexEpisode", "Id")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
             modelBuilder.Entity(
                 "ErsatzTV.Core.Domain.PlexMovie",
                 b =>
@@ -1656,6 +1703,28 @@ namespace ErsatzTV.Infrastructure.Migrations
                         .IsRequired();
                 });
 
+            modelBuilder.Entity(
+                "ErsatzTV.Core.Domain.PlexSeason",
+                b =>
+                {
+                    b.HasOne("ErsatzTV.Core.Domain.Season", null)
+                        .WithOne()
+                        .HasForeignKey("ErsatzTV.Core.Domain.PlexSeason", "Id")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity(
+                "ErsatzTV.Core.Domain.PlexShow",
+                b =>
+                {
+                    b.HasOne("ErsatzTV.Core.Domain.Show", null)
+                        .WithOne()
+                        .HasForeignKey("ErsatzTV.Core.Domain.PlexShow", "Id")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
             modelBuilder.Entity(
                 "ErsatzTV.Core.Domain.Channel",
                 b =>

ErsatzTV.Infrastructure/Plex/IPlexServerApi.cs

@@ -25,5 +25,12 @@ namespace ErsatzTV.Infrastructure.Plex
                 string key,
                 [Query] [AliasAs("X-Plex-Token")]
                 string token);
+
+        [Get("/library/metadata/{key}/children")]
+        public Task<PlexMediaContainerResponse<PlexMediaContainerMetadataContent<PlexMetadataResponse>>>
+            GetChildren(
+                string key,
+                [Query] [AliasAs("X-Plex-Token")]
+                string token);
     }
 }

ErsatzTV.Infrastructure/Plex/Models/PlexMetadataResponse.cs

@@ -14,6 +14,7 @@ namespace ErsatzTV.Infrastructure.Plex.Models
         public string OriginallyAvailableAt { get; set; }
         public int AddedAt { get; set; }
         public int UpdatedAt { get; set; }
+        public int Index { get; set; }
         public List<PlexMediaResponse> Media { get; set; }
         public List<PlexGenreResponse> Genre { get; set; }
     }

ErsatzTV.Infrastructure/Plex/PlexServerApiClient.cs

@@ -42,7 +42,7 @@ namespace ErsatzTV.Infrastructure.Plex
             }
         }
 
-        public async Task<Either<BaseError, List<PlexMovie>>> GetLibraryContents(
+        public async Task<Either<BaseError, List<PlexMovie>>> GetMovieLibraryContents(
             PlexLibrary library,
             PlexConnection connection,
             PlexServerAuthToken token)
@@ -60,15 +60,71 @@ namespace ErsatzTV.Infrastructure.Plex
             }
         }
 
+        public async Task<Either<BaseError, List<PlexShow>>> GetShowLibraryContents(
+            PlexLibrary library,
+            PlexConnection connection,
+            PlexServerAuthToken token)
+        {
+            try
+            {
+                IPlexServerApi service = RestService.For<IPlexServerApi>(connection.Uri);
+                return await service.GetLibrarySectionContents(library.Key, token.AuthToken)
+                    .Map(r => r.MediaContainer.Metadata)
+                    .Map(list => list.Map(metadata => ProjectToShow(metadata, library.MediaSourceId)).ToList());
+            }
+            catch (Exception ex)
+            {
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        public async Task<Either<BaseError, List<PlexSeason>>> GetShowSeasons(
+            PlexLibrary library,
+            PlexShow show,
+            PlexConnection connection,
+            PlexServerAuthToken token)
+        {
+            try
+            {
+                IPlexServerApi service = RestService.For<IPlexServerApi>(connection.Uri);
+                return await service.GetChildren(show.Key.Split("/").Reverse().Skip(1).Head(), token.AuthToken)
+                    .Map(r => r.MediaContainer.Metadata)
+                    .Map(list => list.Map(metadata => ProjectToSeason(metadata, library.MediaSourceId)).ToList());
+            }
+            catch (Exception ex)
+            {
+                return BaseError.New(ex.Message);
+            }
+        }
+
+        public async Task<Either<BaseError, List<PlexEpisode>>> GetSeasonEpisodes(
+            PlexLibrary library,
+            PlexSeason season,
+            PlexConnection connection,
+            PlexServerAuthToken token)
+        {
+            try
+            {
+                IPlexServerApi service = RestService.For<IPlexServerApi>(connection.Uri);
+                return await service.GetChildren(season.Key.Split("/").Reverse().Skip(1).Head(), token.AuthToken)
+                    .Map(r => r.MediaContainer.Metadata.Filter(m => m.Media.Count > 0 && m.Media[0].Part.Count > 0))
+                    .Map(list => list.Map(metadata => ProjectToEpisode(metadata, library.MediaSourceId)).ToList());
+            }
+            catch (Exception ex)
+            {
+                return BaseError.New(ex.Message);
+            }
+        }
+
         public async Task<Either<BaseError, MediaVersion>> GetStatistics(
-            PlexMovie movie,
+            string key,
             PlexConnection connection,
             PlexServerAuthToken token)
         {
             try
             {
                 IPlexServerApi service = RestService.For<IPlexServerApi>(connection.Uri);
-                return await service.GetMetadata(movie.Key.Split("/").Last(), token.AuthToken)
+                return await service.GetMetadata(key, token.AuthToken)
                     .Map(
                         r => r.MediaContainer.Metadata.Filter(m => m.Media.Count > 0 && m.Media[0].Part.Count > 0)
                             .HeadOrNone())
@@ -202,5 +258,187 @@ namespace ErsatzTV.Infrastructure.Plex
                     }
                 });
         }
+
+        private PlexShow ProjectToShow(PlexMetadataResponse response, int mediaSourceId)
+        {
+            DateTime dateAdded = DateTimeOffset.FromUnixTimeSeconds(response.AddedAt).DateTime;
+            DateTime lastWriteTime = DateTimeOffset.FromUnixTimeSeconds(response.UpdatedAt).DateTime;
+
+            var metadata = new ShowMetadata
+            {
+                Title = response.Title,
+                SortTitle = _fallbackMetadataProvider.GetSortTitle(response.Title),
+                Plot = response.Summary,
+                ReleaseDate = DateTime.Parse(response.OriginallyAvailableAt),
+                Year = response.Year,
+                Tagline = response.Tagline,
+                DateAdded = dateAdded,
+                DateUpdated = lastWriteTime,
+                Genres = Optional(response.Genre).Flatten().Map(g => new Genre { Name = g.Tag }).ToList()
+            };
+
+            if (!string.IsNullOrWhiteSpace(response.Thumb))
+            {
+                var path = $"plex/{mediaSourceId}{response.Thumb}";
+                var artwork = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.Poster,
+                    Path = path,
+                    DateAdded = dateAdded,
+                    DateUpdated = lastWriteTime
+                };
+
+                metadata.Artwork ??= new List<Artwork>();
+                metadata.Artwork.Add(artwork);
+            }
+
+            if (!string.IsNullOrWhiteSpace(response.Art))
+            {
+                var path = $"plex/{mediaSourceId}{response.Art}";
+                var artwork = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.FanArt,
+                    Path = path,
+                    DateAdded = dateAdded,
+                    DateUpdated = lastWriteTime
+                };
+
+                metadata.Artwork ??= new List<Artwork>();
+                metadata.Artwork.Add(artwork);
+            }
+
+            var show = new PlexShow
+            {
+                Key = response.Key,
+                ShowMetadata = new List<ShowMetadata> { metadata }
+            };
+
+            return show;
+        }
+
+        private PlexSeason ProjectToSeason(PlexMetadataResponse response, int mediaSourceId)
+        {
+            DateTime dateAdded = DateTimeOffset.FromUnixTimeSeconds(response.AddedAt).DateTime;
+            DateTime lastWriteTime = DateTimeOffset.FromUnixTimeSeconds(response.UpdatedAt).DateTime;
+
+            var metadata = new SeasonMetadata
+            {
+                Title = response.Title,
+                SortTitle = _fallbackMetadataProvider.GetSortTitle(response.Title),
+                Year = response.Year,
+                DateAdded = dateAdded,
+                DateUpdated = lastWriteTime
+            };
+
+            if (!string.IsNullOrWhiteSpace(response.Thumb))
+            {
+                var path = $"plex/{mediaSourceId}{response.Thumb}";
+                var artwork = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.Poster,
+                    Path = path,
+                    DateAdded = dateAdded,
+                    DateUpdated = lastWriteTime
+                };
+
+                metadata.Artwork ??= new List<Artwork>();
+                metadata.Artwork.Add(artwork);
+            }
+
+            if (!string.IsNullOrWhiteSpace(response.Art))
+            {
+                var path = $"plex/{mediaSourceId}{response.Art}";
+                var artwork = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.FanArt,
+                    Path = path,
+                    DateAdded = dateAdded,
+                    DateUpdated = lastWriteTime
+                };
+
+                metadata.Artwork ??= new List<Artwork>();
+                metadata.Artwork.Add(artwork);
+            }
+
+            var season = new PlexSeason
+            {
+                Key = response.Key,
+                SeasonNumber = response.Index,
+                SeasonMetadata = new List<SeasonMetadata> { metadata }
+            };
+
+            return season;
+        }
+
+        private PlexEpisode ProjectToEpisode(PlexMetadataResponse response, int mediaSourceId)
+        {
+            PlexMediaResponse media = response.Media.Head();
+            PlexPartResponse part = media.Part.Head();
+            DateTime dateAdded = DateTimeOffset.FromUnixTimeSeconds(response.AddedAt).DateTime;
+            DateTime lastWriteTime = DateTimeOffset.FromUnixTimeSeconds(response.UpdatedAt).DateTime;
+
+            var metadata = new EpisodeMetadata
+            {
+                Title = response.Title,
+                SortTitle = _fallbackMetadataProvider.GetSortTitle(response.Title),
+                Plot = response.Summary,
+                Year = response.Year,
+                Tagline = response.Tagline,
+                DateAdded = dateAdded,
+                DateUpdated = lastWriteTime
+            };
+
+            if (!string.IsNullOrWhiteSpace(response.OriginallyAvailableAt))
+            {
+                metadata.ReleaseDate = DateTime.Parse(response.OriginallyAvailableAt);
+            }
+
+            if (!string.IsNullOrWhiteSpace(response.Thumb))
+            {
+                var path = $"plex/{mediaSourceId}{response.Thumb}";
+                var artwork = new Artwork
+                {
+                    ArtworkKind = ArtworkKind.Thumbnail,
+                    Path = path,
+                    DateAdded = dateAdded,
+                    DateUpdated = lastWriteTime
+                };
+
+                metadata.Artwork ??= new List<Artwork>();
+                metadata.Artwork.Add(artwork);
+            }
+
+            var version = new MediaVersion
+            {
+                Name = "Main",
+                Duration = TimeSpan.FromMilliseconds(media.Duration),
+                Width = media.Width,
+                Height = media.Height,
+                AudioCodec = media.AudioCodec,
+                VideoCodec = media.VideoCodec,
+                VideoProfile = media.VideoProfile,
+                // specifically omit sample aspect ratio
+                DateUpdated = lastWriteTime,
+                MediaFiles = new List<MediaFile>
+                {
+                    new PlexMediaFile
+                    {
+                        PlexId = part.Id,
+                        Key = part.Key,
+                        Path = part.File
+                    }
+                }
+            };
+
+            var episode = new PlexEpisode
+            {
+                Key = response.Key,
+                EpisodeNumber = response.Index,
+                EpisodeMetadata = new List<EpisodeMetadata> { metadata },
+                MediaVersions = new List<MediaVersion> { version }
+            };
+
+            return episode;
+        }
     }
 }

ErsatzTV/Controllers/ArtworkController.cs

@@ -49,33 +49,34 @@ namespace ErsatzTV.Controllers
         }
 
         [HttpGet("/artwork/posters/plex/{plexMediaSourceId}/{*path}")]
-        public async Task<IActionResult> GetPlexPoster(int plexMediaSourceId, string path)
-        {
-            Either<BaseError, PlexConnectionParametersViewModel> connectionParameters =
-                await _mediator.Send(new GetPlexConnectionParameters(plexMediaSourceId));
+        public Task<IActionResult> GetPlexPoster(int plexMediaSourceId, string path) =>
+            GetPlexArtwork(
+                plexMediaSourceId,
+                $"photo/:/transcode?url=/{path}&height=440&width=304&minSize=1&upscale=0");
 
-            return await connectionParameters.Match<Task<IActionResult>>(
-                Left: _ => new NotFoundResult().AsTask<IActionResult>(),
-                Right: async r =>
-                {
-                    HttpClient client = _httpClientFactory.CreateClient();
-                    client.DefaultRequestHeaders.Add("X-Plex-Token", r.AuthToken);
+        [HttpGet("/artwork/fanart/plex/{plexMediaSourceId}/{*path}")]
+        public Task<IActionResult> GetPlexFanArt(int plexMediaSourceId, string path) =>
+            GetPlexArtwork(
+                plexMediaSourceId,
+                $"/{path}");
 
-                    var transcodePath = $"photo/:/transcode?url=/{path}&height=440&width=304&minSize=1&upscale=0";
-                    var fullPath = new Uri(r.Uri, transcodePath);
-                    HttpResponseMessage response = await client.GetAsync(
-                        fullPath,
-                        HttpCompletionOption.ResponseHeadersRead);
-                    Stream stream = await response.Content.ReadAsStreamAsync();
+        [HttpGet("/artwork/thumbnails/plex/{plexMediaSourceId}/{*path}")]
+        public Task<IActionResult> GetPlexThumbnail(int plexMediaSourceId, string path) =>
+            GetPlexArtwork(
+                plexMediaSourceId,
+                $"photo/:/transcode?url=/{path}&height=220&width=392&minSize=1&upscale=0");
 
-                    return new FileStreamResult(
-                        stream,
-                        response.Content.Headers.ContentType?.MediaType ?? "image/jpeg");
-                });
+        [HttpGet("/artwork/thumbnails/{fileName}")]
+        public async Task<IActionResult> GetThumbnail(string fileName)
+        {
+            Either<BaseError, ImageViewModel> imageContents =
+                await _mediator.Send(new GetImageContents(fileName, ArtworkKind.Thumbnail, 220));
+            return imageContents.Match<IActionResult>(
+                Left: _ => new NotFoundResult(),
+                Right: r => new FileContentResult(r.Contents, r.MimeType));
         }
 
-        [HttpGet("/artwork/fanart/plex/{plexMediaSourceId}/{*path}")]
-        public async Task<IActionResult> GetPlexFanArt(int plexMediaSourceId, string path)
+        private async Task<IActionResult> GetPlexArtwork(int plexMediaSourceId, string transcodePath)
         {
             Either<BaseError, PlexConnectionParametersViewModel> connectionParameters =
                 await _mediator.Send(new GetPlexConnectionParameters(plexMediaSourceId));
@@ -87,7 +88,6 @@ namespace ErsatzTV.Controllers
                     HttpClient client = _httpClientFactory.CreateClient();
                     client.DefaultRequestHeaders.Add("X-Plex-Token", r.AuthToken);
 
-                    var transcodePath = $"/{path}";
                     var fullPath = new Uri(r.Uri, transcodePath);
                     HttpResponseMessage response = await client.GetAsync(
                         fullPath,
@@ -99,15 +99,5 @@ namespace ErsatzTV.Controllers
                         response.Content.Headers.ContentType?.MediaType ?? "image/jpeg");
                 });
         }
-
-        [HttpGet("/artwork/thumbnails/{fileName}")]
-        public async Task<IActionResult> GetThumbnail(string fileName)
-        {
-            Either<BaseError, ImageViewModel> imageContents =
-                await _mediator.Send(new GetImageContents(fileName, ArtworkKind.Thumbnail, 220));
-            return imageContents.Match<IActionResult>(
-                Left: _ => new NotFoundResult(),
-                Right: r => new FileContentResult(r.Contents, r.MimeType));
-        }
     }
 }

ErsatzTV/Startup.cs

@@ -196,6 +196,7 @@ namespace ErsatzTV
             services.AddScoped<ISearchRepository, SearchRepository>();
             services.AddScoped<IMovieRepository, MovieRepository>();
             services.AddScoped<ILibraryRepository, LibraryRepository>();
+            services.AddScoped<IMetadataRepository, MetadataRepository>();
             services.AddScoped<IFFmpegLocator, FFmpegLocator>();
             services.AddScoped<ILocalMetadataProvider, LocalMetadataProvider>();
             services.AddScoped<IFallbackMetadataProvider, FallbackMetadataProvider>();
@@ -206,6 +207,7 @@ namespace ErsatzTV
             services.AddScoped<IMovieFolderScanner, MovieFolderScanner>();
             services.AddScoped<ITelevisionFolderScanner, TelevisionFolderScanner>();
             services.AddScoped<IPlexMovieLibraryScanner, PlexMovieLibraryScanner>();
+            services.AddScoped<IPlexTelevisionLibraryScanner, PlexTelevisionLibraryScanner>();
             services.AddScoped<IPlexServerApiClient, PlexServerApiClient>();
 
             services.AddHostedService<PlexService>();