add tv show metadata and posters

ErsatzTV.Core.Tests/Metadata/TestMediaScannerTests.cs

@@ -9,13 +9,15 @@ namespace ErsatzTV.Core.Tests.Metadata
 {
     [TestFixture]
     public class TestMediaScannerTests
+    {
+        [TestFixture]
+        public class NewMovieTests
         {
             private readonly TestMediaScanner _scanner = new();
 
             [Test]
-        public void NewMovieFile_WithoutNfo_WithoutPoster()
+            public void WithoutNfo_WithoutPoster()
             {
-            // new movie file without nfo and without poster should have statistics and fallback metadata
                 var movieFileName = "/movies/test (2021)/test (2021).mkv";
                 string[] fileNames = { movieFileName };
 
@@ -35,11 +37,10 @@ namespace ErsatzTV.Core.Tests.Metadata
             }
 
             [Test]
-        public void NewMovieFile_WithNfo_WithoutPoster(
+            public void WithNfo_WithoutPoster(
                 [Values("test (2021).nfo", "movie.nfo")]
                 string nfoFile)
             {
-            // new movie file without nfo and without poster should have statistics and fallback metadata
                 var movieFileName = "/movies/test (2021)/test (2021).mkv";
                 var nfoFileName = $"/movies/test (2021)/{nfoFile}";
                 string[] fileNames = { movieFileName, nfoFileName };
@@ -60,13 +61,12 @@ namespace ErsatzTV.Core.Tests.Metadata
             }
 
             [Test]
-        public void NewMovieFile_WithoutNfo_WithPoster(
+            public void WithoutNfo_WithPoster(
                 [Values("", "test (2021)-")]
                 string basePosterName,
                 [Values("jpg", "jpeg", "png", "gif", "tbn")]
                 string posterExtension)
             {
-            // new movie file without nfo and without poster should have statistics and fallback metadata
                 var movieFileName = "/movies/test (2021)/test (2021).mkv";
                 var posterFileName = $"/movies/test (2021)/{basePosterName}poster.{posterExtension}";
 
@@ -89,7 +89,7 @@ namespace ErsatzTV.Core.Tests.Metadata
             }
 
             [Test]
-        public void NewMovieFile_WithNfo_WithPoster(
+            public void WithNfo_WithPoster(
                 [Values("test (2021).nfo", "movie.nfo")]
                 string nfoFile,
                 [Values("", "test (2021)-")]
@@ -97,7 +97,6 @@ namespace ErsatzTV.Core.Tests.Metadata
                 [Values("jpg", "jpeg", "png", "gif", "tbn")]
                 string posterExtension)
             {
-            // new movie file without nfo and without poster should have statistics and fallback metadata
                 var movieFileName = "/movies/test (2021)/test (2021).mkv";
                 var nfoFileName = $"/movies/test (2021)/{nfoFile}";
                 var posterFileName = $"/movies/test (2021)/{basePosterName}poster.{posterExtension}";
@@ -119,14 +118,19 @@ namespace ErsatzTV.Core.Tests.Metadata
                     new ItemScanningPlan(posterFileName, ScanningAction.Poster),
                     new ItemScanningPlan(movieFileName, ScanningAction.Collections));
             }
+        }
+
+        [TestFixture]
+        public class ExistingMovieTests
+        {
+            private readonly TestMediaScanner _scanner = new();
 
             // TODO: mtime should affect this
             [Test]
-        public void ExistingMovieFile_WithNewNfo_WithoutPoster(
+            public void WithNewNfo_WithoutPoster(
                 [Values("test (2021).nfo", "movie.nfo")]
                 string nfoFile)
             {
-            // new movie file without nfo and without poster should have statistics and fallback metadata
                 var movieMediaItem = new MediaItem
                 {
                     Metadata = new MediaMetadata { Source = MetadataSource.Fallback },
@@ -151,13 +155,12 @@ namespace ErsatzTV.Core.Tests.Metadata
             }
 
             [Test]
-        public void ExistingMovieFile_WithoutNfo_WithNewPoster(
+            public void WithoutNfo_WithNewPoster(
                 [Values("", "test (2021)-")]
                 string basePosterName,
                 [Values("jpg", "jpeg", "png", "gif", "tbn")]
                 string posterExtension)
             {
-            // new movie file without nfo and without poster should have statistics and fallback metadata
                 var movieMediaItem = new MediaItem
                 {
                     Metadata = new MediaMetadata { Source = MetadataSource.Fallback },
@@ -181,7 +184,7 @@ namespace ErsatzTV.Core.Tests.Metadata
             }
 
             [Test]
-        public void ExistingMovieFile_WithNewNfo_WithNewPoster(
+            public void WithNewNfo_WithNewPoster(
                 [Values("test (2021).nfo", "movie.nfo")]
                 string nfoFile,
                 [Values("", "test (2021)-")]
@@ -189,7 +192,6 @@ namespace ErsatzTV.Core.Tests.Metadata
                 [Values("jpg", "jpeg", "png", "gif", "tbn")]
                 string posterExtension)
             {
-            // new movie file without nfo and without poster should have statistics and fallback metadata
                 var movieMediaItem = new MediaItem
                 {
                     Metadata = new MediaMetadata { Source = MetadataSource.Fallback },
@@ -215,4 +217,197 @@ namespace ErsatzTV.Core.Tests.Metadata
                     new ItemScanningPlan(movieMediaItem.Path, ScanningAction.Collections));
             }
         }
+
+        [TestFixture]
+        public class NewEpisodeTests
+        {
+            private readonly TestMediaScanner _scanner = new();
+
+            [Test]
+            public void WithoutNfo_WithoutPoster()
+            {
+                var episodeFileName = "/tv/test (2021)/season 01/test (2021) - s01e03.mkv";
+                string[] fileNames = { episodeFileName };
+
+                Seq<LocalMediaItemScanningPlan> result = _scanner.DetermineActions(
+                    MediaType.TvShow,
+                    Seq<MediaItem>.Empty,
+                    fileNames.ToSeq());
+
+                result.Count.Should().Be(1);
+                (Either<string, MediaItem> source, List<ItemScanningPlan> itemScanningPlans) = result.Head();
+                source.IsLeft.Should().BeTrue();
+                source.LeftToSeq().Should().BeEquivalentTo(episodeFileName);
+                itemScanningPlans.Should().BeEquivalentTo(
+                    new ItemScanningPlan(episodeFileName, ScanningAction.Statistics),
+                    new ItemScanningPlan(episodeFileName, ScanningAction.FallbackMetadata),
+                    new ItemScanningPlan(episodeFileName, ScanningAction.Collections));
+            }
+
+            [Test]
+            public void WithNfo_WithoutPoster()
+            {
+                var episodeFileName = "/tv/test (2021)/season 01/test (2021) - s01e03.mkv";
+                var nfoFileName = "/tv/test (2021)/season 01/test (2021) - s01e03.nfo";
+                string[] fileNames = { episodeFileName, nfoFileName };
+
+                Seq<LocalMediaItemScanningPlan> result = _scanner.DetermineActions(
+                    MediaType.TvShow,
+                    Seq<MediaItem>.Empty,
+                    fileNames.ToSeq());
+
+                result.Count.Should().Be(1);
+                (Either<string, MediaItem> source, List<ItemScanningPlan> itemScanningPlans) = result.Head();
+                source.IsLeft.Should().BeTrue();
+                source.LeftToSeq().Should().BeEquivalentTo(episodeFileName);
+                itemScanningPlans.Should().BeEquivalentTo(
+                    new ItemScanningPlan(episodeFileName, ScanningAction.Statistics),
+                    new ItemScanningPlan(nfoFileName, ScanningAction.SidecarMetadata),
+                    new ItemScanningPlan(episodeFileName, ScanningAction.Collections));
+            }
+
+            [Test]
+            public void WithoutNfo_WithPoster(
+                [Values("jpg", "jpeg", "png", "gif", "tbn")]
+                string posterExtension)
+            {
+                var episodeFileName = "/tv/test (2021)/season 01/test (2021) - s01e03.mkv";
+                var posterFileName = $"/tv/test (2021)/poster.{posterExtension}";
+
+                string[] fileNames = { episodeFileName, posterFileName };
+
+                Seq<LocalMediaItemScanningPlan> result = _scanner.DetermineActions(
+                    MediaType.TvShow,
+                    Seq<MediaItem>.Empty,
+                    fileNames.ToSeq());
+
+                result.Count.Should().Be(1);
+                (Either<string, MediaItem> source, List<ItemScanningPlan> itemScanningPlans) = result.Head();
+                source.IsLeft.Should().BeTrue();
+                source.LeftToSeq().Should().BeEquivalentTo(episodeFileName);
+                itemScanningPlans.Should().BeEquivalentTo(
+                    new ItemScanningPlan(episodeFileName, ScanningAction.Statistics),
+                    new ItemScanningPlan(episodeFileName, ScanningAction.FallbackMetadata),
+                    new ItemScanningPlan(posterFileName, ScanningAction.Poster),
+                    new ItemScanningPlan(episodeFileName, ScanningAction.Collections));
+            }
+
+            [Test]
+            public void WithNfo_WithPoster(
+                [Values("jpg", "jpeg", "png", "gif", "tbn")]
+                string posterExtension)
+            {
+                var episodeFileName = "/tv/test (2021)/season 01/test (2021) - s01e03.mkv";
+                var nfoFileName = "/tv/test (2021)/season 01/test (2021) - s01e03.nfo";
+                var posterFileName = $"/tv/test (2021)/poster.{posterExtension}";
+
+                string[] fileNames = { episodeFileName, nfoFileName, posterFileName };
+
+                Seq<LocalMediaItemScanningPlan> result = _scanner.DetermineActions(
+                    MediaType.TvShow,
+                    Seq<MediaItem>.Empty,
+                    fileNames.ToSeq());
+
+                result.Count.Should().Be(1);
+                (Either<string, MediaItem> source, List<ItemScanningPlan> itemScanningPlans) = result.Head();
+                source.IsLeft.Should().BeTrue();
+                source.LeftToSeq().Should().BeEquivalentTo(episodeFileName);
+                itemScanningPlans.Should().BeEquivalentTo(
+                    new ItemScanningPlan(episodeFileName, ScanningAction.Statistics),
+                    new ItemScanningPlan(nfoFileName, ScanningAction.SidecarMetadata),
+                    new ItemScanningPlan(posterFileName, ScanningAction.Poster),
+                    new ItemScanningPlan(episodeFileName, ScanningAction.Collections));
+            }
+        }
+        
+        [TestFixture]
+        public class ExistingEpisodeTests
+        {
+            private readonly TestMediaScanner _scanner = new();
+
+            // TODO: mtime should affect this
+            [Test]
+            public void WithNewNfo_WithoutPoster()
+            {
+                var episodeMediaItem = new MediaItem
+                {
+                    Metadata = new MediaMetadata { Source = MetadataSource.Fallback },
+                    Path = "/tv/test (2021)/season 01/test (2021) - s01e03.mkv"
+                };
+
+                var nfoFileName = "/tv/test (2021)/season 01/test (2021) - s01e03.nfo";
+                string[] fileNames = { episodeMediaItem.Path, nfoFileName };
+
+                Seq<LocalMediaItemScanningPlan> result = _scanner.DetermineActions(
+                    MediaType.TvShow,
+                    Seq.create(episodeMediaItem),
+                    fileNames.ToSeq());
+
+                result.Count.Should().Be(1);
+                (Either<string, MediaItem> source, List<ItemScanningPlan> itemScanningPlans) = result.Head();
+                source.IsRight.Should().BeTrue();
+                source.RightToSeq().Should().BeEquivalentTo(episodeMediaItem);
+                itemScanningPlans.Should().BeEquivalentTo(
+                    new ItemScanningPlan(nfoFileName, ScanningAction.SidecarMetadata),
+                    new ItemScanningPlan(episodeMediaItem.Path, ScanningAction.Collections));
+            }
+
+            [Test]
+            public void WithoutNfo_WithNewPoster(
+                [Values("jpg", "jpeg", "png", "gif", "tbn")]
+                string posterExtension)
+            {
+                var episodeMediaItem = new MediaItem
+                {
+                    Metadata = new MediaMetadata { Source = MetadataSource.Fallback },
+                    Path = "/tv/test (2021)/season 01/test (2021) - s01e03.mkv"
+                };
+
+                var posterFileName = $"/tv/test (2021)/poster.{posterExtension}";
+                string[] fileNames = { episodeMediaItem.Path, posterFileName };
+
+                Seq<LocalMediaItemScanningPlan> result = _scanner.DetermineActions(
+                    MediaType.TvShow,
+                    Seq.create(episodeMediaItem),
+                    fileNames.ToSeq());
+
+                result.Count.Should().Be(1);
+                (Either<string, MediaItem> source, List<ItemScanningPlan> itemScanningPlans) = result.Head();
+                source.IsRight.Should().BeTrue();
+                source.RightToSeq().Should().BeEquivalentTo(episodeMediaItem);
+                itemScanningPlans.Should()
+                    .BeEquivalentTo(new ItemScanningPlan(posterFileName, ScanningAction.Poster));
+            }
+
+            [Test]
+            public void WithNewNfo_WithNewPoster(
+                [Values("jpg", "jpeg", "png", "gif", "tbn")]
+                string posterExtension)
+            {
+                var episodeMediaItem = new MediaItem
+                {
+                    Metadata = new MediaMetadata { Source = MetadataSource.Fallback },
+                    Path = "/tv/test (2021)/season 01/test (2021) - s01e03.mkv"
+                };
+
+                var nfoFileName = "/tv/test (2021)/season 01/test (2021) - s01e03.nfo";
+                var posterFileName = $"/tv/test (2021)/poster.{posterExtension}";
+                string[] fileNames = { episodeMediaItem.Path, nfoFileName, posterFileName };
+
+                Seq<LocalMediaItemScanningPlan> result = _scanner.DetermineActions(
+                    MediaType.TvShow,
+                    Seq.create(episodeMediaItem),
+                    fileNames.ToSeq());
+
+                result.Count.Should().Be(1);
+                (Either<string, MediaItem> source, List<ItemScanningPlan> itemScanningPlans) = result.Head();
+                source.IsRight.Should().BeTrue();
+                source.RightToSeq().Should().BeEquivalentTo(episodeMediaItem);
+                itemScanningPlans.Should().BeEquivalentTo(
+                    new ItemScanningPlan(nfoFileName, ScanningAction.SidecarMetadata),
+                    new ItemScanningPlan(posterFileName, ScanningAction.Poster),
+                    new ItemScanningPlan(episodeMediaItem.Path, ScanningAction.Collections));
+            }
+        }
+    }
 }

ErsatzTV.Core/Metadata/TestMediaScanner.cs

@@ -81,6 +81,11 @@ namespace ErsatzTV.Core.Metadata
                     return Seq(movieAsNfo, movieNfo)
                         .Filter(s => files.Contains(s))
                         .HeadOrNone();
+                case MediaType.TvShow:
+                    string episodeAsNfo = Path.ChangeExtension(file, "nfo");
+                    return Optional(episodeAsNfo)
+                        .Filter(s => files.Contains(s))
+                        .HeadOrNone();
             }
 
             return None;
@@ -93,10 +98,16 @@ namespace ErsatzTV.Core.Metadata
             switch (mediaType)
             {
                 case MediaType.Movie:
-                    IEnumerable<string> possiblePosters = ImageFileExtensions.Collect(
+                    IEnumerable<string> possibleMoviePosters = ImageFileExtensions.Collect(
                             ext => new[] { $"poster.{ext}", Path.GetFileNameWithoutExtension(file) + $"-poster.{ext}" })
                         .Map(f => Path.Combine(folder, f));
-                    return possiblePosters.Filter(s => files.Contains(s)).HeadOrNone();
+                    return possibleMoviePosters.Filter(p => files.Contains(p)).HeadOrNone();
+                case MediaType.TvShow:
+                    string parentFolder = Directory.GetParent(folder)?.FullName ?? string.Empty;
+                    IEnumerable<string> possibleTvPosters = ImageFileExtensions
+                        .Collect(ext => new[] { $"poster.{ext}" })
+                        .Map(f => Path.Combine(parentFolder, f));
+                    return possibleTvPosters.Filter(p => files.Contains(p)).HeadOrNone();
             }
 
             return None;