more add to playlist buttons; fix playlist preview (#1693)

ErsatzTV.Application/MediaCollections/Commands/AddEpisodeToPlaylist.cs

@@ -0,0 +1,5 @@
+using ErsatzTV.Core;
+
+namespace ErsatzTV.Application.MediaCollections;
+
+public record AddEpisodeToPlaylist(int PlaylistId, int EpisodeId) : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/MediaCollections/Commands/AddEpisodeToPlaylistHandler.cs

@@ -0,0 +1,59 @@
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.MediaCollections;
+
+public class AddEpisodeToPlaylistHandler(IDbContextFactory<TvContext> dbContextFactory)
+    : IRequestHandler<AddEpisodeToPlaylist, Either<BaseError, Unit>>
+{
+    public async Task<Either<BaseError, Unit>> Handle(
+        AddEpisodeToPlaylist request,
+        CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
+        Validation<BaseError, Parameters> validation = await Validate(dbContext, request);
+        return await validation.Apply(parameters => ApplyAddEpisodeRequest(dbContext, parameters));
+    }
+
+    private static async Task<Unit> ApplyAddEpisodeRequest(TvContext dbContext, Parameters parameters)
+    {
+        var playlistItem = new PlaylistItem
+        {
+            Index = parameters.Playlist.Items.Max(i => i.Index) + 1,
+            CollectionType = ProgramScheduleItemCollectionType.Episode,
+            MediaItemId = parameters.Episode.Id,
+            PlaybackOrder = PlaybackOrder.Shuffle,
+            IncludeInProgramGuide = true
+        };
+
+        parameters.Playlist.Items.Add(playlistItem);
+        await dbContext.SaveChangesAsync();
+        return Unit.Default;
+    }
+
+    private static async Task<Validation<BaseError, Parameters>> Validate(
+        TvContext dbContext,
+        AddEpisodeToPlaylist request) =>
+        (await PlaylistMustExist(dbContext, request), await ValidateEpisode(dbContext, request))
+        .Apply((collection, episode) => new Parameters(collection, episode));
+
+    private static Task<Validation<BaseError, Playlist>> PlaylistMustExist(
+        TvContext dbContext,
+        AddEpisodeToPlaylist request) =>
+        dbContext.Playlists
+            .Include(c => c.Items)
+            .SelectOneAsync(c => c.Id, c => c.Id == request.PlaylistId)
+            .Map(o => o.ToValidation<BaseError>("Playlist does not exist."));
+
+    private static Task<Validation<BaseError, Episode>> ValidateEpisode(
+        TvContext dbContext,
+        AddEpisodeToPlaylist request) =>
+        dbContext.Episodes
+            .SelectOneAsync(m => m.Id, e => e.Id == request.EpisodeId)
+            .Map(o => o.ToValidation<BaseError>("Episode does not exist"));
+
+    private sealed record Parameters(Playlist Playlist, Episode Episode);
+}

ErsatzTV.Application/MediaCollections/Commands/AddSeasonToPlaylist.cs

@@ -0,0 +1,5 @@
+using ErsatzTV.Core;
+
+namespace ErsatzTV.Application.MediaCollections;
+
+public record AddSeasonToPlaylist(int PlaylistId, int SeasonId) : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/MediaCollections/Commands/AddSeasonToPlaylistHandler.cs

@@ -0,0 +1,59 @@
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.MediaCollections;
+
+public class AddSeasonToPlaylistHandler(IDbContextFactory<TvContext> dbContextFactory)
+    : IRequestHandler<AddSeasonToPlaylist, Either<BaseError, Unit>>
+{
+    public async Task<Either<BaseError, Unit>> Handle(
+        AddSeasonToPlaylist request,
+        CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
+        Validation<BaseError, Parameters> validation = await Validate(dbContext, request);
+        return await validation.Apply(parameters => ApplyAddSeasonRequest(dbContext, parameters));
+    }
+
+    private static async Task<Unit> ApplyAddSeasonRequest(TvContext dbContext, Parameters parameters)
+    {
+        var playlistItem = new PlaylistItem
+        {
+            Index = parameters.Playlist.Items.Max(i => i.Index) + 1,
+            CollectionType = ProgramScheduleItemCollectionType.TelevisionSeason,
+            MediaItemId = parameters.Season.Id,
+            PlaybackOrder = PlaybackOrder.Shuffle,
+            IncludeInProgramGuide = true
+        };
+
+        parameters.Playlist.Items.Add(playlistItem);
+        await dbContext.SaveChangesAsync();
+        return Unit.Default;
+    }
+
+    private static async Task<Validation<BaseError, Parameters>> Validate(
+        TvContext dbContext,
+        AddSeasonToPlaylist request) =>
+        (await PlaylistMustExist(dbContext, request), await ValidateSeason(dbContext, request))
+        .Apply((collection, episode) => new Parameters(collection, episode));
+
+    private static Task<Validation<BaseError, Playlist>> PlaylistMustExist(
+        TvContext dbContext,
+        AddSeasonToPlaylist request) =>
+        dbContext.Playlists
+            .Include(c => c.Items)
+            .SelectOneAsync(c => c.Id, c => c.Id == request.PlaylistId)
+            .Map(o => o.ToValidation<BaseError>("Playlist does not exist."));
+
+    private static Task<Validation<BaseError, Season>> ValidateSeason(
+        TvContext dbContext,
+        AddSeasonToPlaylist request) =>
+        dbContext.Seasons
+            .SelectOneAsync(m => m.Id, e => e.Id == request.SeasonId)
+            .Map(o => o.ToValidation<BaseError>("Season does not exist"));
+
+    private sealed record Parameters(Playlist Playlist, Season Season);
+}

ErsatzTV.Application/MediaCollections/Commands/AddShowToPlaylist.cs

@@ -0,0 +1,5 @@
+using ErsatzTV.Core;
+
+namespace ErsatzTV.Application.MediaCollections;
+
+public record AddShowToPlaylist(int PlaylistId, int ShowId) : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/MediaCollections/Commands/AddShowToPlaylistHandler.cs

@@ -0,0 +1,59 @@
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.MediaCollections;
+
+public class AddShowToPlaylistHandler(IDbContextFactory<TvContext> dbContextFactory)
+    : IRequestHandler<AddShowToPlaylist, Either<BaseError, Unit>>
+{
+    public async Task<Either<BaseError, Unit>> Handle(
+        AddShowToPlaylist request,
+        CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
+        Validation<BaseError, Parameters> validation = await Validate(dbContext, request);
+        return await validation.Apply(parameters => ApplyAddShowRequest(dbContext, parameters));
+    }
+
+    private static async Task<Unit> ApplyAddShowRequest(TvContext dbContext, Parameters parameters)
+    {
+        var playlistItem = new PlaylistItem
+        {
+            Index = parameters.Playlist.Items.Max(i => i.Index) + 1,
+            CollectionType = ProgramScheduleItemCollectionType.TelevisionShow,
+            MediaItemId = parameters.Show.Id,
+            PlaybackOrder = PlaybackOrder.Shuffle,
+            IncludeInProgramGuide = true
+        };
+
+        parameters.Playlist.Items.Add(playlistItem);
+        await dbContext.SaveChangesAsync();
+        return Unit.Default;
+    }
+
+    private static async Task<Validation<BaseError, Parameters>> Validate(
+        TvContext dbContext,
+        AddShowToPlaylist request) =>
+        (await PlaylistMustExist(dbContext, request), await ValidateShow(dbContext, request))
+        .Apply((collection, episode) => new Parameters(collection, episode));
+
+    private static Task<Validation<BaseError, Playlist>> PlaylistMustExist(
+        TvContext dbContext,
+        AddShowToPlaylist request) =>
+        dbContext.Playlists
+            .Include(c => c.Items)
+            .SelectOneAsync(c => c.Id, c => c.Id == request.PlaylistId)
+            .Map(o => o.ToValidation<BaseError>("Playlist does not exist."));
+
+    private static Task<Validation<BaseError, Show>> ValidateShow(
+        TvContext dbContext,
+        AddShowToPlaylist request) =>
+        dbContext.Shows
+            .SelectOneAsync(m => m.Id, e => e.Id == request.ShowId)
+            .Map(o => o.ToValidation<BaseError>("Show does not exist"));
+
+    private sealed record Parameters(Playlist Playlist, Show Show);
+}

ErsatzTV.Core.Tests/Fakes/FakeMediaCollectionRepository.cs

@@ -20,6 +20,12 @@ public class FakeMediaCollectionRepository : IMediaCollectionRepository
     public Task<List<MediaItem>> GetMultiCollectionItems(int id) => throw new NotSupportedException();
     public Task<List<MediaItem>> GetSmartCollectionItems(int id) => _data[id].ToList().AsTask();
     public Task<List<MediaItem>> GetPlaylistItems(int id) => throw new NotSupportedException();
+    public Task<List<Movie>> GetMovie(int id) => throw new NotSupportedException();
+    public Task<List<Episode>> GetEpisode(int id) => throw new NotSupportedException();
+    public Task<List<MusicVideo>> GetMusicVideo(int id) => throw new NotSupportedException();
+    public Task<List<OtherVideo>> GetOtherVideo(int id) => throw new NotSupportedException();
+    public Task<List<Song>> GetSong(int id) => throw new NotSupportedException();
+    public Task<List<Image>> GetImage(int id) => throw new NotSupportedException();
 
     public Task<List<CollectionWithItems>> GetMultiCollectionCollections(int id) =>
         throw new NotSupportedException();

ErsatzTV.Core/Interfaces/Repositories/IMediaCollectionRepository.cs

@@ -11,6 +11,12 @@ public interface IMediaCollectionRepository
     Task<List<MediaItem>> GetMultiCollectionItems(int id);
     Task<List<MediaItem>> GetSmartCollectionItems(int id);
     Task<List<MediaItem>> GetPlaylistItems(int id);
+    Task<List<Movie>> GetMovie(int id);
+    Task<List<Episode>> GetEpisode(int id);
+    Task<List<MusicVideo>> GetMusicVideo(int id);
+    Task<List<OtherVideo>> GetOtherVideo(int id);
+    Task<List<Song>> GetSong(int id);
+    Task<List<Image>> GetImage(int id);
     Task<List<CollectionWithItems>> GetMultiCollectionCollections(int id);
     Task<List<CollectionWithItems>> GetFakeMultiCollectionCollections(int? collectionId, int? smartCollectionId);
     Task<List<int>> PlayoutIdsUsingCollection(int collectionId);

ErsatzTV.Core/Scheduling/CollectionKey.cs

@@ -121,6 +121,36 @@ public class CollectionKey : Record<CollectionKey>
             {
                 CollectionType = item.CollectionType
             },
+            ProgramScheduleItemCollectionType.Movie => new CollectionKey
+            {
+                CollectionType = item.CollectionType,
+                MediaItemId = item.MediaItemId
+            },
+            ProgramScheduleItemCollectionType.Episode => new CollectionKey
+            {
+                CollectionType = item.CollectionType,
+                MediaItemId = item.MediaItemId
+            },
+            ProgramScheduleItemCollectionType.MusicVideo => new CollectionKey
+            {
+                CollectionType = item.CollectionType,
+                MediaItemId = item.MediaItemId
+            },
+            ProgramScheduleItemCollectionType.OtherVideo => new CollectionKey
+            {
+                CollectionType = item.CollectionType,
+                MediaItemId = item.MediaItemId
+            },
+            ProgramScheduleItemCollectionType.Song => new CollectionKey
+            {
+                CollectionType = item.CollectionType,
+                MediaItemId = item.MediaItemId
+            },
+            ProgramScheduleItemCollectionType.Image => new CollectionKey
+            {
+                CollectionType = item.CollectionType,
+                MediaItemId = item.MediaItemId
+            },
             _ => throw new ArgumentOutOfRangeException(nameof(item))
         };
 

ErsatzTV.Core/Scheduling/MediaItemsForCollection.cs

@@ -41,6 +41,42 @@ public static class MediaItemsForCollection
                 result.AddRange(
                     await mediaCollectionRepository.GetPlaylistItems(collectionKey.PlaylistId ?? 0));
                 break;
+            case ProgramScheduleItemCollectionType.Movie:
+                foreach (int mediaItemId in Optional(collectionKey.MediaItemId))
+                {
+                    result.AddRange(await mediaCollectionRepository.GetMovie(mediaItemId));
+                }
+                break;
+            case ProgramScheduleItemCollectionType.Episode:
+                foreach (int mediaItemId in Optional(collectionKey.MediaItemId))
+                {
+                    result.AddRange(await mediaCollectionRepository.GetEpisode(mediaItemId));
+                }
+                break;
+            case ProgramScheduleItemCollectionType.MusicVideo:
+                foreach (int mediaItemId in Optional(collectionKey.MediaItemId))
+                {
+                    result.AddRange(await mediaCollectionRepository.GetMusicVideo(mediaItemId));
+                }
+                break;
+            case ProgramScheduleItemCollectionType.OtherVideo:
+                foreach (int mediaItemId in Optional(collectionKey.MediaItemId))
+                {
+                    result.AddRange(await mediaCollectionRepository.GetOtherVideo(mediaItemId));
+                }
+                break;
+            case ProgramScheduleItemCollectionType.Song:
+                foreach (int mediaItemId in Optional(collectionKey.MediaItemId))
+                {
+                    result.AddRange(await mediaCollectionRepository.GetSong(mediaItemId));
+                }
+                break;
+            case ProgramScheduleItemCollectionType.Image:
+                foreach (int mediaItemId in Optional(collectionKey.MediaItemId))
+                {
+                    result.AddRange(await mediaCollectionRepository.GetImage(mediaItemId));
+                }
+                break;
             default:
                 throw new ArgumentOutOfRangeException(nameof(collectionKey));
         }

ErsatzTV.Infrastructure/Data/Repositories/MediaCollectionRepository.cs

@@ -501,6 +501,41 @@ public class MediaCollectionRepository : IMediaCollectionRepository
         return result.DistinctBy(x => x.Id).ToList();
     }
 
+    public async Task<List<Movie>> GetMovie(int id)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync();
+        return await GetMovieItems(dbContext, [id]);
+    }
+
+    public async Task<List<Episode>> GetEpisode(int id)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync();
+        return await GetEpisodeItems(dbContext, [id]);
+    }
+
+    public async Task<List<MusicVideo>> GetMusicVideo(int id)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync();
+        return await GetMusicVideoItems(dbContext, [id]);
+    }
+
+    public async Task<List<OtherVideo>> GetOtherVideo(int id)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync();
+        return await GetOtherVideoItems(dbContext, [id]);
+    }
+
+    public async Task<List<Song>> GetSong(int id)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync();
+        return await GetSongItems(dbContext, [id]);
+    }
+
+    public async Task<List<Image>> GetImage(int id)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync();
+        return await GetImageItems(dbContext, [id]);
+    }
 
     public async Task<List<CollectionWithItems>> GetFakeMultiCollectionCollections(
         int? collectionId,
@@ -738,7 +773,7 @@ public class MediaCollectionRepository : IMediaCollectionRepository
 
         return await GetMovieItems(dbContext, ids);
     }
-
+    
     private static Task<List<Movie>> GetMovieItems(TvContext dbContext, IEnumerable<int> movieIds) =>
         dbContext.Movies
             .Include(m => m.MovieMetadata)

ErsatzTV/Pages/EpisodeList.razor

@@ -20,6 +20,13 @@
                            OnClick="@(_ => AddSelectionToCollection())">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@(_ => AddSelectionToPlaylist())">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Secondary"

ErsatzTV/Pages/ImageList.razor

@@ -19,6 +19,13 @@
                            OnClick="@(_ => AddSelectionToCollection())">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@(_ => AddSelectionToPlaylist())">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Secondary"

ErsatzTV/Pages/MovieList.razor

@@ -21,6 +21,13 @@
                            OnClick="@(_ => AddSelectionToCollection())">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@(_ => AddSelectionToPlaylist())">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Secondary"

ErsatzTV/Pages/MusicVideoList.razor

@@ -20,6 +20,13 @@
                            OnClick="@(_ => AddSelectionToCollection())">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@(_ => AddSelectionToPlaylist())">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Secondary"

ErsatzTV/Pages/OtherVideoList.razor

@@ -19,6 +19,13 @@
                            OnClick="@(_ => AddSelectionToCollection())">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@(_ => AddSelectionToPlaylist())">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Secondary"

ErsatzTV/Pages/SongList.razor

@@ -20,6 +20,13 @@
                            OnClick="@(_ => AddSelectionToCollection())">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@(_ => AddSelectionToPlaylist())">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Secondary"

ErsatzTV/Pages/TelevisionEpisodeList.razor

@@ -56,6 +56,13 @@
                            OnClick="@AddToCollection">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@AddToPlaylist">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Primary"
@@ -109,6 +116,14 @@
                                 Add To Collection
                             </MudButton>
                         </div>
+                        <div class="mt-6">
+                            <MudButton Variant="Variant.Filled"
+                                       Color="Color.Primary"
+                                       StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                                       OnClick="@(_ => AddEpisodeToPlaylist(episode))">
+                                Add To Playlist
+                            </MudButton>
+                        </div>
                         <div class="mt-6">
                             <MudButton Variant="Variant.Filled"
                                        Color="Color.Secondary"
@@ -230,7 +245,20 @@
             _navigationManager.NavigateTo($"media/collections/{collection.Id}");
         }
     }
+    
+    private async Task AddToPlaylist()
+    {
+        var parameters = new DialogParameters { { "EntityType", "season" }, { "EntityName", $"{_season.Title} - {_season.Name}" } };
+        var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.ExtraSmall };
 
+        IDialogReference dialog = await _dialog.ShowAsync<AddToPlaylistDialog>("Add To Playlist", parameters, options);
+        DialogResult result = await dialog.Result;
+        if (!result.Canceled && result.Data is PlaylistViewModel playlist)
+        {
+            await _mediator.Send(new AddSeasonToPlaylist(playlist.Id, SeasonId), _cts.Token);
+            _navigationManager.NavigateTo($"media/playlists/{playlist.Id}");
+        }
+    }
 
     private async Task AddToSchedule()
     {
@@ -266,6 +294,27 @@
                 Right: _ => _snackbar.Add($"Added {episode.Title} to collection {collection.Name}", Severity.Success));
         }
     }
+    
+    private async Task AddEpisodeToPlaylist(TelevisionEpisodeCardViewModel episode)
+    {
+        var parameters = new DialogParameters { { "EntityType", "episode" }, { "EntityName", episode.Title } };
+        var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.ExtraSmall };
+
+        IDialogReference dialog = await _dialog.ShowAsync<AddToPlaylistDialog>("Add To Playlist", parameters, options);
+        DialogResult result = await dialog.Result;
+        if (!result.Canceled && result.Data is PlaylistViewModel playlist)
+        {
+            var request = new AddEpisodeToPlaylist(playlist.Id, episode.EpisodeId);
+            Either<BaseError, Unit> addResult = await _mediator.Send(request, _cts.Token);
+            addResult.Match(
+                Left: error =>
+                {
+                    _snackbar.Add($"Unexpected error adding episode to playlist: {error.Value}");
+                    _logger.LogError("Unexpected error adding episode to playlist: {Error}", error.Value);
+                },
+                Right: _ => _snackbar.Add($"Added {episode.Title} to playlist {playlist.Name}", Severity.Success));
+        }
+    }
 
     private async Task ShowInfo(TelevisionEpisodeCardViewModel episode)
     {

ErsatzTV/Pages/TelevisionSeasonList.razor

@@ -62,6 +62,13 @@
                            OnClick="@AddToCollection">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@AddToPlaylist">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Primary"
@@ -220,6 +227,20 @@
         }
     }
 
+    private async Task AddToPlaylist()
+    {
+        var parameters = new DialogParameters { { "EntityType", "show" }, { "EntityName", _show.Title } };
+        var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.ExtraSmall };
+
+        IDialogReference dialog = await _dialog.ShowAsync<AddToPlaylistDialog>("Add To Playlist", parameters, options);
+        DialogResult result = await dialog.Result;
+        if (!result.Canceled && result.Data is PlaylistViewModel playlist)
+        {
+            await _mediator.Send(new AddShowToPlaylist(playlist.Id, ShowId), _cts.Token);
+            _navigationManager.NavigateTo($"media/playlists/{playlist.Id}");
+        }
+    }
+
     private async Task AddToSchedule()
     {
         var parameters = new DialogParameters { { "EntityType", "show" }, { "EntityName", _show.Title } };

ErsatzTV/Pages/TelevisionShowList.razor

@@ -21,6 +21,13 @@
                            OnClick="@(_ => AddSelectionToCollection())">
                     Add To Collection
                 </MudButton>
+                <MudButton Class="ml-3"
+                           Variant="Variant.Filled"
+                           Color="Color.Primary"
+                           StartIcon="@Icons.Material.Filled.PlaylistAdd"
+                           OnClick="@(_ => AddSelectionToPlaylist())">
+                    Add To Playlist
+                </MudButton>
                 <MudButton Class="ml-3"
                            Variant="Variant.Filled"
                            Color="Color.Secondary"