add movie and show tags

ErsatzTV.Application/MediaCards/Queries/GetSearchCardsHandler.cs

@@ -18,9 +18,12 @@ namespace ErsatzTV.Application.MediaCards.Queries
         public Task<Either<BaseError, SearchCardResultsViewModel>> Handle(
             GetSearchCards request,
             CancellationToken cancellationToken) =>
-            request.Query.StartsWith("genre:")
-                ? GenreSearch(request.Query.Replace("genre:", string.Empty))
-                : TitleSearch(request.Query);
+            request.Query.Split(":").Head() switch
+            {
+                "genre" => GenreSearch(request.Query.Replace("genre:", string.Empty)),
+                "tag" => TagSearch(request.Query.Replace("tag:", string.Empty)),
+                _ => TitleSearch(request.Query)
+            };
 
         private Task<Either<BaseError, SearchCardResultsViewModel>> TitleSearch(string query) =>
             Try(_searchRepository.SearchMediaItemsByTitle(query)).Sequence()
@@ -31,5 +34,10 @@ namespace ErsatzTV.Application.MediaCards.Queries
             Try(_searchRepository.SearchMediaItemsByGenre(query)).Sequence()
                 .Map(ProjectToSearchResults)
                 .Map(t => t.ToEither(ex => BaseError.New($"Failed to search: {ex.Message}")));
+        
+        private Task<Either<BaseError, SearchCardResultsViewModel>> TagSearch(string query) =>
+            Try(_searchRepository.SearchMediaItemsByTag(query)).Sequence()
+                .Map(ProjectToSearchResults)
+                .Map(t => t.ToEither(ex => BaseError.New($"Failed to search: {ex.Message}")));
     }
 }

ErsatzTV.Application/Movies/Mapper.cs

@@ -15,7 +15,8 @@ namespace ErsatzTV.Application.Movies
                 metadata.Plot,
                 Artwork(metadata, ArtworkKind.Poster),
                 Artwork(metadata, ArtworkKind.FanArt),
-                metadata.Genres.Map(g => g.Name).ToList());
+                metadata.Genres.Map(g => g.Name).ToList(),
+                metadata.Tags.Map(t => t.Name).ToList());
         }
 
         private static string Artwork(Metadata metadata, ArtworkKind artworkKind) =>

ErsatzTV.Application/Movies/MovieViewModel.cs

@@ -8,5 +8,6 @@ namespace ErsatzTV.Application.Movies
         string Plot,
         string Poster,
         string FanArt,
-        List<string> Genres);
+        List<string> Genres,
+        List<string> Tags);
 }

ErsatzTV.Application/Television/Mapper.cs

@@ -15,7 +15,8 @@ namespace ErsatzTV.Application.Television
                 show.ShowMetadata.HeadOrNone().Map(m => m.Plot ?? string.Empty).IfNone(string.Empty),
                 show.ShowMetadata.HeadOrNone().Map(GetPoster).IfNone(string.Empty),
                 show.ShowMetadata.HeadOrNone().Map(GetFanArt).IfNone(string.Empty),
-                show.ShowMetadata.HeadOrNone().Map(m => m.Genres.Map(g => g.Name).ToList()).IfNone(new List<string>()));
+                show.ShowMetadata.HeadOrNone().Map(m => m.Genres.Map(g => g.Name).ToList()).IfNone(new List<string>()),
+                show.ShowMetadata.HeadOrNone().Map(m => m.Tags.Map(g => g.Name).ToList()).IfNone(new List<string>()));
 
         internal static TelevisionSeasonViewModel ProjectToViewModel(Season season) =>
             new(

ErsatzTV.Application/Television/TelevisionShowViewModel.cs

@@ -9,5 +9,6 @@ namespace ErsatzTV.Application.Television
         string Plot,
         string Poster,
         string FanArt,
-        List<string> Genres);
+        List<string> Genres,
+        List<string> Tags);
 }

ErsatzTV.Core/Domain/Metadata/Metadata.cs

@@ -16,5 +16,6 @@ namespace ErsatzTV.Core.Domain
         public DateTime DateUpdated { get; set; }
         public List<Artwork> Artwork { get; set; }
         public List<Genre> Genres { get; set; }
+        public List<Tag> Tags { get; set; }
     }
 }

ErsatzTV.Core/Domain/Metadata/Tag.cs

@@ -0,0 +1,8 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class Tag
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+    }
+}

ErsatzTV.Core/Interfaces/Repositories/ISearchRepository.cs

@@ -8,5 +8,6 @@ namespace ErsatzTV.Core.Interfaces.Repositories
     {
         public Task<List<MediaItem>> SearchMediaItemsByTitle(string query);
         public Task<List<MediaItem>> SearchMediaItemsByGenre(string genre);
+        public Task<List<MediaItem>> SearchMediaItemsByTag(string tag);
     }
 }

ErsatzTV.Core/Metadata/LocalMetadataProvider.cs

@@ -146,6 +146,18 @@ namespace ErsatzTV.Core.Metadata
                     {
                         existing.Genres.Add(genre);
                     }
+                    
+                    foreach (Tag tag in existing.Tags.Filter(t => metadata.Tags.All(t2 => t2.Name != t.Name))
+                        .ToList())
+                    {
+                        existing.Tags.Remove(tag);
+                    }
+
+                    foreach (Tag tag in metadata.Tags.Filter(t => existing.Tags.All(t2 => t2.Name != t.Name))
+                        .ToList())
+                    {
+                        existing.Tags.Add(tag);
+                    }
                 },
                 () =>
                 {
@@ -188,6 +200,18 @@ namespace ErsatzTV.Core.Metadata
                     {
                         existing.Genres.Add(genre);
                     }
+                    
+                    foreach (Tag tag in existing.Tags.Filter(t => metadata.Tags.All(t2 => t2.Name != t.Name))
+                        .ToList())
+                    {
+                        existing.Tags.Remove(tag);
+                    }
+
+                    foreach (Tag tag in metadata.Tags.Filter(t => existing.Tags.All(t2 => t2.Name != t.Name))
+                        .ToList())
+                    {
+                        existing.Tags.Add(tag);
+                    }
                 },
                 () =>
                 {
@@ -250,7 +274,8 @@ namespace ErsatzTV.Core.Metadata
                         Tagline = nfo.Tagline,
                         Year = nfo.Year,
                         ReleaseDate = GetAired(nfo.Premiered) ?? new DateTime(nfo.Year, 1, 1),
-                        Genres = nfo.Genres.Map(g => new Genre { Name = g }).ToList()
+                        Genres = nfo.Genres.Map(g => new Genre { Name = g }).ToList(),
+                        Tags = nfo.Tags.Map(t => new Tag { Name = t }).ToList()
                     },
                     None);
             }
@@ -306,7 +331,8 @@ namespace ErsatzTV.Core.Metadata
                         Plot = nfo.Plot,
                         Outline = nfo.Outline,
                         Tagline = nfo.Tagline,
-                        Genres = nfo.Genres.Map(g => new Genre { Name = g }).ToList()
+                        Genres = nfo.Genres.Map(g => new Genre { Name = g }).ToList(),
+                        Tags = nfo.Tags.Map(t => new Tag { Name = t }).ToList()
                     },
                     None);
             }
@@ -358,6 +384,9 @@ namespace ErsatzTV.Core.Metadata
 
             [XmlElement("genre")]
             public List<string> Genres { get; set; }
+
+            [XmlElement("tag")]
+            public List<string> Tags { get; set; }
         }
 
         [XmlRoot("tvshow")]
@@ -383,6 +412,9 @@ namespace ErsatzTV.Core.Metadata
 
             [XmlElement("genre")]
             public List<string> Genres { get; set; }
+            
+            [XmlElement("tag")]
+            public List<string> Tags { get; set; }
         }
 
         [XmlRoot("episodedetails")]

ErsatzTV.Infrastructure/Data/Configurations/Metadata/MovieMetadataConfiguration.cs

@@ -17,6 +17,10 @@ namespace ErsatzTV.Infrastructure.Data.Configurations
             builder.HasMany(mm => mm.Genres)
                 .WithOne()
                 .OnDelete(DeleteBehavior.Cascade);
+            
+            builder.HasMany(mm => mm.Tags)
+                .WithOne()
+                .OnDelete(DeleteBehavior.Cascade);
         }
     }
 }

ErsatzTV.Infrastructure/Data/Configurations/Metadata/ShowMetadataConfiguration.cs

@@ -17,6 +17,10 @@ namespace ErsatzTV.Infrastructure.Data.Configurations
             builder.HasMany(mm => mm.Genres)
                 .WithOne()
                 .OnDelete(DeleteBehavior.Cascade);
+
+            builder.HasMany(mm => mm.Tags)
+                .WithOne()
+                .OnDelete(DeleteBehavior.Cascade);
         }
     }
 }

ErsatzTV.Infrastructure/Data/Repositories/MovieRepository.cs

@@ -43,6 +43,8 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                 .ThenInclude(m => m.Artwork)
                 .Include(m => m.MovieMetadata)
                 .ThenInclude(m => m.Genres)
+                .Include(m => m.MovieMetadata)
+                .ThenInclude(m => m.Tags)
                 .OrderBy(m => m.Id)
                 .SingleOrDefaultAsync(m => m.Id == movieId)
                 .Map(Optional);
@@ -55,6 +57,8 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                 .ThenInclude(mm => mm.Artwork)
                 .Include(i => i.MovieMetadata)
                 .ThenInclude(mm => mm.Genres)
+                .Include(i => i.MovieMetadata)
+                .ThenInclude(mm => mm.Tags)
                 .Include(i => i.LibraryPath)
                 .Include(i => i.MediaVersions)
                 .ThenInclude(mv => mv.MediaFiles)

ErsatzTV.Infrastructure/Data/Repositories/SearchRepository.cs

@@ -72,5 +72,32 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                 .OfType<MediaItem>()
                 .ToListAsync();
         }
+        
+        public async Task<List<MediaItem>> SearchMediaItemsByTag(string tag)
+        {
+            List<int> ids = await _dbConnection.QueryAsync<int>(
+                    @"SELECT M.Id FROM Movie M
+                    INNER JOIN MovieMetadata MM on M.Id = MM.MovieId
+                    INNER JOIN Tag T on MM.Id = T.MovieMetadataId
+                    WHERE T.Name LIKE @Query
+                    UNION
+                    SELECT S.Id FROM Show S
+                    INNER JOIN ShowMetadata SM on S.Id = SM.ShowId
+                    INNER JOIN Tag T2 on SM.Id = T2.ShowMetadataId
+                    WHERE T2.Name LIKE @Query
+                    GROUP BY SM.Title, SM.Year",
+                    new { Query = tag })
+                .Map(results => results.ToList());
+
+            await using TvContext context = _dbContextFactory.CreateDbContext();
+            return await context.MediaItems
+                .Filter(m => ids.Contains(m.Id))
+                .Include(m => (m as Movie).MovieMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .Include(m => (m as Show).ShowMetadata)
+                .ThenInclude(mm => mm.Artwork)
+                .OfType<MediaItem>()
+                .ToListAsync();
+        }
     }
 }

ErsatzTV.Infrastructure/Data/Repositories/TelevisionRepository.cs

@@ -63,6 +63,8 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                 .ThenInclude(sm => sm.Artwork)
                 .Include(s => s.ShowMetadata)
                 .ThenInclude(sm => sm.Genres)
+                .Include(s => s.ShowMetadata)
+                .ThenInclude(sm => sm.Tags)
                 .OrderBy(s => s.Id)
                 .SingleOrDefaultAsync()
                 .Map(Optional);
@@ -181,6 +183,8 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
                         .ThenInclude(sm => sm.Artwork)
                         .Include(s => s.ShowMetadata)
                         .ThenInclude(sm => sm.Genres)
+                        .Include(s => s.ShowMetadata)
+                        .ThenInclude(sm => sm.Tags)
                         .OrderBy(s => s.Id)
                         .SingleOrDefaultAsync(s => s.Id == id)
                         .Map(Optional);
@@ -194,6 +198,7 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
             {
                 metadata.DateAdded = DateTime.UtcNow;
                 metadata.Genres ??= new List<Genre>();
+                metadata.Tags ??= new List<Tag>();
                 var show = new Show
                 {
                     LibraryPathId = libraryPathId,

ErsatzTV.Infrastructure/Migrations/20210311175744_Add_MetadataTags.cs

@@ -0,0 +1,75 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace ErsatzTV.Infrastructure.Migrations
+{
+    public partial class Add_MetadataTags : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                "Tag",
+                table => new
+                {
+                    Id = table.Column<int>("INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Name = table.Column<string>("TEXT", nullable: true),
+                    EpisodeMetadataId = table.Column<int>("INTEGER", nullable: true),
+                    MovieMetadataId = table.Column<int>("INTEGER", nullable: true),
+                    SeasonMetadataId = table.Column<int>("INTEGER", nullable: true),
+                    ShowMetadataId = table.Column<int>("INTEGER", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Tag", x => x.Id);
+                    table.ForeignKey(
+                        "FK_Tag_EpisodeMetadata_EpisodeMetadataId",
+                        x => x.EpisodeMetadataId,
+                        "EpisodeMetadata",
+                        "Id",
+                        onDelete: ReferentialAction.Restrict);
+                    table.ForeignKey(
+                        "FK_Tag_MovieMetadata_MovieMetadataId",
+                        x => x.MovieMetadataId,
+                        "MovieMetadata",
+                        "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        "FK_Tag_SeasonMetadata_SeasonMetadataId",
+                        x => x.SeasonMetadataId,
+                        "SeasonMetadata",
+                        "Id",
+                        onDelete: ReferentialAction.Restrict);
+                    table.ForeignKey(
+                        "FK_Tag_ShowMetadata_ShowMetadataId",
+                        x => x.ShowMetadataId,
+                        "ShowMetadata",
+                        "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                "IX_Tag_EpisodeMetadataId",
+                "Tag",
+                "EpisodeMetadataId");
+
+            migrationBuilder.CreateIndex(
+                "IX_Tag_MovieMetadataId",
+                "Tag",
+                "MovieMetadataId");
+
+            migrationBuilder.CreateIndex(
+                "IX_Tag_SeasonMetadataId",
+                "Tag",
+                "SeasonMetadataId");
+
+            migrationBuilder.CreateIndex(
+                "IX_Tag_ShowMetadataId",
+                "Tag",
+                "ShowMetadataId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder) =>
+            migrationBuilder.DropTable(
+                "Tag");
+    }
+}

ErsatzTV.Infrastructure/Migrations/20210311182247_Reset_MetadataDateUpdated_Tags.cs

@@ -0,0 +1,18 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace ErsatzTV.Infrastructure.Migrations
+{
+    public partial class Reset_MetadataDateUpdated_Tags : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(@"UPDATE MovieMetadata SET DateUpdated = '0001-01-01 00:00:00'");
+            migrationBuilder.Sql(@"UPDATE ShowMetadata SET DateUpdated = '0001-01-01 00:00:00'");
+            migrationBuilder.Sql(@"UPDATE Library SET LastScan = '0001-01-01 00:00:00'");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+        }
+    }
+}

ErsatzTV.Infrastructure/Migrations/TvContextModelSnapshot.cs

@@ -839,6 +839,42 @@ namespace ErsatzTV.Infrastructure.Migrations
                     b.ToTable("ShowMetadata");
                 });
 
+            modelBuilder.Entity(
+                "ErsatzTV.Core.Domain.Tag",
+                b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("EpisodeMetadataId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("MovieMetadataId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("SeasonMetadataId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("ShowMetadataId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("EpisodeMetadataId");
+
+                    b.HasIndex("MovieMetadataId");
+
+                    b.HasIndex("SeasonMetadataId");
+
+                    b.HasIndex("ShowMetadataId");
+
+                    b.ToTable("Tag");
+                });
+
             modelBuilder.Entity(
                 "ErsatzTV.Core.Domain.LocalLibrary",
                 b =>
@@ -1421,6 +1457,29 @@ namespace ErsatzTV.Infrastructure.Migrations
                     b.Navigation("Show");
                 });
 
+            modelBuilder.Entity(
+                "ErsatzTV.Core.Domain.Tag",
+                b =>
+                {
+                    b.HasOne("ErsatzTV.Core.Domain.EpisodeMetadata", null)
+                        .WithMany("Tags")
+                        .HasForeignKey("EpisodeMetadataId");
+
+                    b.HasOne("ErsatzTV.Core.Domain.MovieMetadata", null)
+                        .WithMany("Tags")
+                        .HasForeignKey("MovieMetadataId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("ErsatzTV.Core.Domain.SeasonMetadata", null)
+                        .WithMany("Tags")
+                        .HasForeignKey("SeasonMetadataId");
+
+                    b.HasOne("ErsatzTV.Core.Domain.ShowMetadata", null)
+                        .WithMany("Tags")
+                        .HasForeignKey("ShowMetadataId")
+                        .OnDelete(DeleteBehavior.Cascade);
+                });
+
             modelBuilder.Entity(
                 "ErsatzTV.Core.Domain.LocalLibrary",
                 b =>
@@ -1609,6 +1668,8 @@ namespace ErsatzTV.Infrastructure.Migrations
                     b.Navigation("Artwork");
 
                     b.Navigation("Genres");
+
+                    b.Navigation("Tags");
                 });
 
             modelBuilder.Entity("ErsatzTV.Core.Domain.Library", b => { b.Navigation("Paths"); });
@@ -1628,6 +1689,8 @@ namespace ErsatzTV.Infrastructure.Migrations
                     b.Navigation("Artwork");
 
                     b.Navigation("Genres");
+
+                    b.Navigation("Tags");
                 });
 
             modelBuilder.Entity(
@@ -1655,6 +1718,8 @@ namespace ErsatzTV.Infrastructure.Migrations
                     b.Navigation("Artwork");
 
                     b.Navigation("Genres");
+
+                    b.Navigation("Tags");
                 });
 
             modelBuilder.Entity(
@@ -1664,6 +1729,8 @@ namespace ErsatzTV.Infrastructure.Migrations
                     b.Navigation("Artwork");
 
                     b.Navigation("Genres");
+
+                    b.Navigation("Tags");
                 });
 
             modelBuilder.Entity(

ErsatzTV/Pages/Movie.razor

@@ -45,10 +45,21 @@
     </div>
     @if (_movie.Genres.Any())
     {
-        <div>
+        <MudText GutterBottom="true">Genres</MudText>
+        <div class="mb-2">
             @foreach (string genre in _movie.Genres.OrderBy(g => g))
             {
-                <MudFab Color="Color.Info" Size="Size.Small" Label="@genre" Class="mr-2" Link="@($"/search?query=genre%3a{genre}")"/>
+                <MudFab Color="Color.Info" Size="Size.Small" Label="@genre" Class="mr-2 mb-2" Link="@($"/search?query=genre%3a{genre}")"/>
+            }
+        </div>
+    }
+    @if (_movie.Tags.Any())
+    {
+        <MudText GutterBottom="true">Tags</MudText>
+        <div>
+            @foreach (string tag in _movie.Tags.OrderBy(t => t))
+            {
+                <MudFab Color="Color.Info" Size="Size.Small" Label="@tag" Class="mr-2 mb-2" Link="@($"/search?query=tag%3a{tag}")"/>
             }
         </div>
     }

ErsatzTV/Pages/TelevisionSeasonList.razor

@@ -60,10 +60,21 @@
     </div>
     @if (_show.Genres.Any())
     {
-        <div>
+        <MudText GutterBottom="true">Genres</MudText>
+        <div class="mb-2">
             @foreach (string genre in _show.Genres.OrderBy(g => g))
             {
-                <MudFab Color="Color.Info" Size="Size.Small" Label="@genre" Class="mr-2" Link="@($"/search?query=genre%3a{genre}")"/>
+                <MudFab Color="Color.Info" Size="Size.Small" Label="@genre" Class="mr-2 mb-2" Link="@($"/search?query=genre%3a{genre}")"/>
+            }
+        </div>
+    }
+    @if (_show.Tags.Any())
+    {
+        <MudText GutterBottom="true">Tags</MudText>
+        <div>
+            @foreach (string tag in _show.Tags.OrderBy(t => t))
+            {
+                <MudFab Color="Color.Info" Size="Size.Small" Label="@tag" Class="mr-2 mb-2" Link="@($"/search?query=tag%3a{tag}")"/>
             }
         </div>
     }