Fix issue #6123

Emby.Naming/Common/NamingOptions.cs

@@ -478,6 +478,12 @@ namespace Emby.Naming.Common
                     "-deleted",
                     MediaType.Video),
 
+                new ExtraRule(
+                    ExtraType.DeletedScene,
+                    ExtraRuleType.Suffix,
+                    "-deletedscene",
+                    MediaType.Video),
+
                 new ExtraRule(
                     ExtraType.Clip,
                     ExtraRuleType.Suffix,

Emby.Naming/Video/ExtraResolver.cs

@@ -11,6 +11,7 @@ namespace Emby.Naming.Video
     /// </summary>
     public class ExtraResolver
     {
+        private static readonly char[] _digits = new[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
         private readonly NamingOptions _options;
 
         /// <summary>
@@ -62,9 +63,10 @@ namespace Emby.Naming.Video
                 }
                 else if (rule.RuleType == ExtraRuleType.Suffix)
                 {
-                    var filename = Path.GetFileNameWithoutExtension(pathSpan);
+                    // Trim the digits from the end of the filename so we can recognize things like -trailer2
+                    var filename = Path.GetFileNameWithoutExtension(pathSpan).TrimEnd(_digits);
 
-                    if (filename.Contains(rule.Token, StringComparison.OrdinalIgnoreCase))
+                    if (filename.EndsWith(rule.Token, StringComparison.OrdinalIgnoreCase))
                     {
                         result.ExtraType = rule.ExtraType;
                         result.Rule = rule;

tests/Jellyfin.Naming.Tests/Video/ExtraTests.cs

@@ -18,30 +18,31 @@ namespace Jellyfin.Naming.Tests.Video
         [Fact]
         public void TestKodiExtras()
         {
-            Test("trailer.mp4", ExtraType.Trailer, _videoOptions);
-            Test("300-trailer.mp4", ExtraType.Trailer, _videoOptions);
+            Test("trailer.mp4", ExtraType.Trailer);
+            Test("300-trailer.mp4", ExtraType.Trailer);
 
-            Test("theme.mp3", ExtraType.ThemeSong, _videoOptions);
+            Test("theme.mp3", ExtraType.ThemeSong);
         }
 
         [Fact]
         public void TestExpandedExtras()
         {
-            Test("trailer.mp4", ExtraType.Trailer, _videoOptions);
-            Test("trailer.mp3", null, _videoOptions);
-            Test("300-trailer.mp4", ExtraType.Trailer, _videoOptions);
-
-            Test("theme.mp3", ExtraType.ThemeSong, _videoOptions);
-            Test("theme.mkv", null, _videoOptions);
-
-            Test("300-scene.mp4", ExtraType.Scene, _videoOptions);
-            Test("300-scene2.mp4", ExtraType.Scene, _videoOptions);
-            Test("300-clip.mp4", ExtraType.Clip, _videoOptions);
-
-            Test("300-deleted.mp4", ExtraType.DeletedScene, _videoOptions);
-            Test("300-deletedscene.mp4", ExtraType.DeletedScene, _videoOptions);
-            Test("300-interview.mp4", ExtraType.Interview, _videoOptions);
-            Test("300-behindthescenes.mp4", ExtraType.BehindTheScenes, _videoOptions);
+            Test("trailer.mp4", ExtraType.Trailer);
+            Test("trailer.mp3", null);
+            Test("300-trailer.mp4", ExtraType.Trailer);
+            Test("stuff trailerthings.mkv", null);
+
+            Test("theme.mp3", ExtraType.ThemeSong);
+            Test("theme.mkv", null);
+
+            Test("300-scene.mp4", ExtraType.Scene);
+            Test("300-scene2.mp4", ExtraType.Scene);
+            Test("300-clip.mp4", ExtraType.Clip);
+
+            Test("300-deleted.mp4", ExtraType.DeletedScene);
+            Test("300-deletedscene.mp4", ExtraType.DeletedScene);
+            Test("300-interview.mp4", ExtraType.Interview);
+            Test("300-behindthescenes.mp4", ExtraType.BehindTheScenes);
         }
 
         [Theory]
@@ -55,9 +56,9 @@ namespace Jellyfin.Naming.Tests.Video
         [InlineData(ExtraType.Unknown, "extras")]
         public void TestDirectories(ExtraType type, string dirName)
         {
-            Test(dirName + "/300.mp4", type, _videoOptions);
-            Test("300/" + dirName + "/something.mkv", type, _videoOptions);
-            Test("/data/something/Movies/300/" + dirName + "/whoknows.mp4", type, _videoOptions);
+            Test(dirName + "/300.mp4", type);
+            Test("300/" + dirName + "/something.mkv", type);
+            Test("/data/something/Movies/300/" + dirName + "/whoknows.mp4", type);
         }
 
         [Theory]
@@ -66,32 +67,25 @@ namespace Jellyfin.Naming.Tests.Video
         [InlineData("The Big Short")]
         public void TestNonExtraDirectories(string dirName)
         {
-            Test(dirName + "/300.mp4", null, _videoOptions);
-            Test("300/" + dirName + "/something.mkv", null, _videoOptions);
-            Test("/data/something/Movies/300/" + dirName + "/whoknows.mp4", null, _videoOptions);
-            Test("/data/something/Movies/" + dirName + "/" + dirName + ".mp4", null, _videoOptions);
+            Test(dirName + "/300.mp4", null);
+            Test("300/" + dirName + "/something.mkv", null);
+            Test("/data/something/Movies/300/" + dirName + "/whoknows.mp4", null);
+            Test("/data/something/Movies/" + dirName + "/" + dirName + ".mp4", null);
         }
 
         [Fact]
         public void TestSample()
         {
-            Test("300-sample.mp4", ExtraType.Sample, _videoOptions);
+            Test("300-sample.mp4", ExtraType.Sample);
         }
 
-        private void Test(string input, ExtraType? expectedType, NamingOptions videoOptions)
+        private void Test(string input, ExtraType? expectedType)
         {
-            var parser = GetExtraTypeParser(videoOptions);
+            var parser = GetExtraTypeParser(_videoOptions);
 
             var extraType = parser.GetExtraInfo(input).ExtraType;
 
-            if (expectedType == null)
-            {
-                Assert.Null(extraType);
-            }
-            else
-            {
-                Assert.Equal(expectedType, extraType);
-            }
+            Assert.Equal(expectedType, extraType);
         }
 
         [Fact]