Change multi version logic for movies

Emby.Naming/Video/VideoListResolver.cs

@@ -175,71 +175,22 @@ namespace Emby.Naming.Video
                 return videos;
             }
 
-            var list = new List<VideoInfo>();
-
             var folderName = Path.GetFileName(Path.GetDirectoryName(videos[0].Files[0].Path));
 
             if (!string.IsNullOrEmpty(folderName) && folderName.Length > 1)
             {
-                if (videos.All(i => i.Files.Count == 1 && IsEligibleForMultiVersion(folderName, i.Files[0].Path)))
-                {
-                    // Enforce the multi-version limit
-                    if (videos.Count <= 8 && HaveSameYear(videos))
-                    {
-                        var ordered = videos.OrderBy(i => i.Name).ToList();
-
-                        list.Add(ordered[0]);
-
-                        list[0].AlternateVersions = ordered.Skip(1).Select(i => i.Files[0]).ToList();
-                        list[0].Name = folderName;
-                        list[0].Extras.AddRange(ordered.Skip(1).SelectMany(i => i.Extras));
+                var ordered = videos.OrderBy(i => i.Name).ToList();
 
-                        return list;
-                    }
-                }
+                return ordered.GroupBy(v => new {v.Name, v.Year}).Select(group => new VideoInfo
+                {
+                    Name = folderName,
+                    Files = group.First().Files,
+                    AlternateVersions = group.Skip(1).Select(i => i.Files[0]).ToList(),
+                    Extras = group.First().Extras.Concat(group.Skip(1).SelectMany(i => i.Extras)).ToList()
+                });
             }
 
             return videos;
-            //foreach (var video in videos.OrderBy(i => i.Name))
-            //{
-            //    var match = list
-            //        .FirstOrDefault(i => string.Equals(i.Name, video.Name, StringComparison.OrdinalIgnoreCase));
-
-            //    if (match != null && video.Files.Count == 1 && match.Files.Count == 1)
-            //    {
-            //        match.AlternateVersions.Add(video.Files[0]);
-            //        match.Extras.AddRange(video.Extras);
-            //    }
-            //    else
-            //    {
-            //        list.Add(video);
-            //    }
-            //}
-
-            //return list;
-        }
-
-        private bool HaveSameYear(List<VideoInfo> videos)
-        {
-            return videos.Select(i => i.Year ?? -1).Distinct().Count() < 2;
-        }
-
-        private bool IsEligibleForMultiVersion(string folderName, string testFilename)
-        {
-            testFilename = Path.GetFileNameWithoutExtension(testFilename);
-
-            if (string.Equals(folderName, testFilename, StringComparison.OrdinalIgnoreCase))
-            {
-                return true;
-            }
-
-            if (testFilename.StartsWith(folderName, StringComparison.OrdinalIgnoreCase))
-            {
-                testFilename = testFilename.Substring(folderName.Length).Trim();
-                return testFilename.StartsWith("-", StringComparison.OrdinalIgnoreCase) || Regex.Replace(testFilename, @"\[([^]]*)\]", "").Trim() == string.Empty;
-            }
-
-            return false;
         }
 
         private List<VideoFileInfo> GetExtras(IEnumerable<VideoFileInfo> remainingFiles, List<string> baseNames)