Merge pull request #17399 from Shadowghost/fix-extra-year

Fix incorrect year on local trailers

3 files changed, 178 insertions, 0 deletions

diff --git a/tests/Jellyfin.Controller.Tests/Entities/BaseItemTests.cs b/tests/Jellyfin.Controller.Tests/Entities/BaseItemTests.cs
index de109c8d65..258cf326ca 100644
--- a/tests/Jellyfin.Controller.Tests/Entities/BaseItemTests.cs
+++ b/tests/Jellyfin.Controller.Tests/Entities/BaseItemTests.cs
@@ -6,6 +6,7 @@ using System.Threading;
 using Jellyfin.Database.Implementations.Entities;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.LiveTv;
 using MediaBrowser.Controller.MediaSegments;
@@ -366,4 +367,80 @@ public class BaseItemTests
             Assert.Contains(alt2.Id, ids);
         }
     }
+
+    [Fact]
+    public void InheritDatesFromOwner_OwnerHasDates_OverwritesOwnedItemDates()
+    {
+        var owner = new Movie
+        {
+            ProductionYear = 1982,
+            PremiereDate = new DateTime(1982, 6, 25, 0, 0, 0, DateTimeKind.Utc)
+        };
+
+        // 2016 is what the container creation date of a re-encoded trailer would have yielded.
+        var trailer = new Trailer
+        {
+            ExtraType = ExtraType.Trailer,
+            ProductionYear = 2016,
+            PremiereDate = new DateTime(2016, 5, 4, 0, 0, 0, DateTimeKind.Utc)
+        };
+
+        Assert.True(BaseItem.InheritDatesFromOwner(owner, trailer));
+        Assert.Equal(owner.ProductionYear, trailer.ProductionYear);
+        Assert.Equal(owner.PremiereDate, trailer.PremiereDate);
+    }
+
+    [Fact]
+    public void InheritDatesFromOwner_OwnerHasNoDates_KeepsOwnedItemDates()
+    {
+        var owner = new Movie();
+        var trailer = new Trailer
+        {
+            ExtraType = ExtraType.Trailer,
+            ProductionYear = 1982,
+            PremiereDate = new DateTime(1982, 6, 25, 0, 0, 0, DateTimeKind.Utc)
+        };
+
+        Assert.False(BaseItem.InheritDatesFromOwner(owner, trailer));
+        Assert.Equal(1982, trailer.ProductionYear);
+        Assert.Equal(new DateTime(1982, 6, 25, 0, 0, 0, DateTimeKind.Utc), trailer.PremiereDate);
+    }
+
+    [Fact]
+    public void InheritDatesFromOwner_DatesAlreadyMatch_ReportsNoChange()
+    {
+        var owner = new Movie
+        {
+            ProductionYear = 1982,
+            PremiereDate = new DateTime(1982, 6, 25, 0, 0, 0, DateTimeKind.Utc)
+        };
+
+        var trailer = new Trailer
+        {
+            ExtraType = ExtraType.Trailer,
+            ProductionYear = owner.ProductionYear,
+            PremiereDate = owner.PremiereDate
+        };
+
+        Assert.False(BaseItem.InheritDatesFromOwner(owner, trailer));
+    }
+
+    [Fact]
+    public void InheritDatesFromOwner_OwnedItemHasNoDates_TakesOwnerDates()
+    {
+        var owner = new Movie
+        {
+            ProductionYear = 1982,
+            PremiereDate = new DateTime(1982, 6, 25, 0, 0, 0, DateTimeKind.Utc)
+        };
+
+        var trailer = new Trailer
+        {
+            ExtraType = ExtraType.Trailer
+        };
+
+        Assert.True(BaseItem.InheritDatesFromOwner(owner, trailer));
+        Assert.Equal(1982, trailer.ProductionYear);
+        Assert.Equal(new DateTime(1982, 6, 25, 0, 0, 0, DateTimeKind.Utc), trailer.PremiereDate);
+    }
 }
diff --git a/tests/Jellyfin.Providers.Tests/MediaInfo/FFProbeVideoInfoTests.cs b/tests/Jellyfin.Providers.Tests/MediaInfo/FFProbeVideoInfoTests.cs
index 2438ef06d1..59d3f42edf 100644
--- a/tests/Jellyfin.Providers.Tests/MediaInfo/FFProbeVideoInfoTests.cs
+++ b/tests/Jellyfin.Providers.Tests/MediaInfo/FFProbeVideoInfoTests.cs
@@ -3,7 +3,9 @@ using AutoFixture;
 using AutoFixture.AutoMoq;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Entities;
 using MediaBrowser.Providers.MediaInfo;
 using Moq;
 using Xunit;
@@ -75,4 +77,62 @@ public class FFProbeVideoInfoTests
 
         Assert.All(chapters, chapter => Assert.True(chapter.StartPositionTicks < runtime));
     }
+
+    [Theory]
+    [InlineData(false)]
+    [InlineData(true)]
+    public void FetchEmbeddedInfo_NoExtra_AppliesContainerDates(bool replaceAllMetadata)
+    {
+        var video = new Video();
+
+        _fFProbeVideoInfo.FetchEmbeddedInfo(video, CreateMediaInfoWithDates(), CreateRefreshOptions(replaceAllMetadata), new LibraryOptions());
+
+        Assert.Equal(2016, video.ProductionYear);
+        Assert.Equal(new DateTime(2016, 5, 4, 0, 0, 0, DateTimeKind.Utc), video.PremiereDate);
+    }
+
+    [Theory]
+    [InlineData(false)]
+    [InlineData(true)]
+    public void FetchEmbeddedInfo_Extra_IgnoresContainerDates(bool replaceAllMetadata)
+    {
+        var video = new Video
+        {
+            ExtraType = ExtraType.Trailer,
+            ProductionYear = 1982,
+            PremiereDate = new DateTime(1982, 6, 25, 0, 0, 0, DateTimeKind.Utc)
+        };
+
+        _fFProbeVideoInfo.FetchEmbeddedInfo(video, CreateMediaInfoWithDates(), CreateRefreshOptions(replaceAllMetadata), new LibraryOptions());
+
+        Assert.Equal(1982, video.ProductionYear);
+        Assert.Equal(new DateTime(1982, 6, 25, 0, 0, 0, DateTimeKind.Utc), video.PremiereDate);
+    }
+
+    [Fact]
+    public void FetchEmbeddedInfo_ExtraWithoutDates_StaysWithoutDates()
+    {
+        var video = new Video
+        {
+            ExtraType = ExtraType.Trailer
+        };
+
+        _fFProbeVideoInfo.FetchEmbeddedInfo(video, CreateMediaInfoWithDates(), CreateRefreshOptions(false), new LibraryOptions());
+
+        Assert.Null(video.ProductionYear);
+        Assert.Null(video.PremiereDate);
+    }
+
+    private static MediaBrowser.Model.MediaInfo.MediaInfo CreateMediaInfoWithDates()
+        => new()
+        {
+            ProductionYear = 2016,
+            PremiereDate = new DateTime(2016, 5, 4, 0, 0, 0, DateTimeKind.Utc)
+        };
+
+    private static MetadataRefreshOptions CreateRefreshOptions(bool replaceAllMetadata)
+        => new(Mock.Of<IDirectoryService>())
+        {
+            ReplaceAllMetadata = replaceAllMetadata
+        };
 }
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Library/LibraryManager/FindExtrasTests.cs b/tests/Jellyfin.Server.Implementations.Tests/Library/LibraryManager/FindExtrasTests.cs
index 562711337f..07c537aee1 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/Library/LibraryManager/FindExtrasTests.cs
+++ b/tests/Jellyfin.Server.Implementations.Tests/Library/LibraryManager/FindExtrasTests.cs
@@ -306,6 +306,47 @@ public class FindExtrasTests
     }
 
     [Fact]
+    public void FindExtras_TrailerWithYearInFilename_SetsProductionYearFromFilename()
+    {
+        var owner = new Movie { Name = "Up", Path = "/movies/Up/Up.mkv" };
+        var paths = new List<string>
+        {
+            "/movies/Up/Up.mkv",
+            "/movies/Up/trailers"
+        };
+
+        _fileSystemMock.Setup(f => f.GetFiles(
+                "/movies/Up/trailers",
+                It.IsAny<string[]>(),
+                false,
+                false))
+            .Returns(new List<FileSystemMetadata>
+            {
+                new()
+                {
+                    FullName = "/movies/Up/trailers/Trailer 1 (2013).mkv",
+                    Name = "Trailer 1 (2013).mkv",
+                    IsDirectory = false
+                }
+            }).Verifiable();
+
+        var files = paths.Select(p => new FileSystemMetadata
+        {
+            FullName = p,
+            Name = Path.GetFileName(p),
+            IsDirectory = !Path.HasExtension(p)
+        }).ToList();
+
+        var extras = _libraryManager.FindExtras(owner, files, new DirectoryService(_fileSystemMock.Object)).ToList();
+
+        _fileSystemMock.Verify();
+        var trailer = Assert.Single(extras);
+        Assert.Equal(ExtraType.Trailer, trailer.ExtraType);
+        Assert.Equal(typeof(Trailer), trailer.GetType());
+        Assert.Equal(2013, trailer.ProductionYear);
+    }
+
+    [Fact]
     public void FindExtras_SeriesWithTrailers_FindsCorrectExtras()
     {
         var owner = new Series { Name = "Dexter", Path = "/series/Dexter" };