Merge branch 'jellyfin:master' into master

5 files changed, 40 insertions, 25 deletions

diff --git a/Emby.Naming/Video/CleanDateTimeParser.cs b/Emby.Naming/Video/CleanDateTimeParser.cs
index 0ee633dcc6..9a6c6e978b 100644
--- a/Emby.Naming/Video/CleanDateTimeParser.cs
+++ b/Emby.Naming/Video/CleanDateTimeParser.cs
@@ -43,7 +43,7 @@ namespace Emby.Naming.Video
                 && match.Groups.Count == 5
                 && match.Groups[1].Success
                 && match.Groups[2].Success
-                && int.TryParse(match.Groups[2].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var year))
+                && int.TryParse(match.Groups[2].ValueSpan, NumberStyles.Integer, CultureInfo.InvariantCulture, out var year))
             {
                 result = new CleanDateTimeResult(match.Groups[1].Value.TrimEnd(), year);
                 return true;
diff --git a/Emby.Naming/Video/ExtraRuleResolver.cs b/Emby.Naming/Video/ExtraRuleResolver.cs
index 21d0da3642..3219472eff 100644
--- a/Emby.Naming/Video/ExtraRuleResolver.cs
+++ b/Emby.Naming/Video/ExtraRuleResolver.cs
@@ -56,7 +56,7 @@ namespace Emby.Naming.Video
                 }
                 else if (rule.RuleType == ExtraRuleType.Regex)
                 {
-                    var filename = Path.GetFileName(path);
+                    var filename = Path.GetFileName(path.AsSpan());
 
                     var isMatch = Regex.IsMatch(filename, rule.Token, RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
diff --git a/Emby.Naming/Video/FileStackRule.cs b/Emby.Naming/Video/FileStackRule.cs
index 76b487f428..be0f79d33a 100644
--- a/Emby.Naming/Video/FileStackRule.cs
+++ b/Emby.Naming/Video/FileStackRule.cs
@@ -17,7 +17,7 @@ public class FileStackRule
     /// <param name="isNumerical">Whether the file stack rule uses numerical or alphabetical numbering.</param>
     public FileStackRule(string token, bool isNumerical)
     {
-        _tokenRegex = new Regex(token, RegexOptions.IgnoreCase);
+        _tokenRegex = new Regex(token, RegexOptions.IgnoreCase | RegexOptions.Compiled);
         IsNumerical = isNumerical;
     }
 
diff --git a/Emby.Naming/Video/VideoListResolver.cs b/Emby.Naming/Video/VideoListResolver.cs
index 8048320400..6209cd46f4 100644
--- a/Emby.Naming/Video/VideoListResolver.cs
+++ b/Emby.Naming/Video/VideoListResolver.cs
@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
 using Emby.Naming.Common;
+using Jellyfin.Extensions;
 using MediaBrowser.Model.IO;
 
 namespace Emby.Naming.Video
@@ -13,6 +14,8 @@ namespace Emby.Naming.Video
     /// </summary>
     public static class VideoListResolver
     {
+        private static readonly Regex _resolutionRegex = new Regex("[0-9]{2}[0-9]+[ip]", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+
         /// <summary>
         /// Resolves alternative versions and extras from list of video files.
         /// </summary>
@@ -106,6 +109,7 @@ namespace Emby.Naming.Video
             }
 
             // Cannot use Span inside local functions and delegates thus we cannot use LINQ here nor merge with the above [if]
+            VideoInfo? primary = null;
             for (var i = 0; i < videos.Count; i++)
             {
                 var video = videos[i];
@@ -114,29 +118,43 @@ namespace Emby.Naming.Video
                     continue;
                 }
 
-                if (!IsEligibleForMultiVersion(folderName, video.Files[0].Path, namingOptions))
+                if (!IsEligibleForMultiVersion(folderName, video.Files[0].FileNameWithoutExtension, namingOptions))
                 {
                     return videos;
                 }
+
+                if (folderName.Equals(video.Files[0].FileNameWithoutExtension, StringComparison.Ordinal))
+                {
+                    primary = video;
+                }
+            }
+
+            if (videos.Count > 1)
+            {
+                var groups = videos.GroupBy(x => _resolutionRegex.IsMatch(x.Files[0].FileNameWithoutExtension)).ToList();
+                videos.Clear();
+                foreach (var group in groups)
+                {
+                    if (group.Key)
+                    {
+                        videos.InsertRange(0, group.OrderByDescending(x => x.Files[0].FileNameWithoutExtension.ToString(), new AlphanumericComparator()));
+                    }
+                    else
+                    {
+                        videos.AddRange(group.OrderBy(x => x.Files[0].FileNameWithoutExtension.ToString(), new AlphanumericComparator()));
+                    }
+                }
             }
 
-            // The list is created and overwritten in the caller, so we are allowed to do in-place sorting
-            videos.Sort((x, y) => string.Compare(x.Name, y.Name, StringComparison.Ordinal));
+            primary ??= videos[0];
+            videos.Remove(primary);
 
             var list = new List<VideoInfo>
             {
-                videos[0]
+                primary
             };
 
-            var alternateVersionsLen = videos.Count - 1;
-            var alternateVersions = new VideoFileInfo[alternateVersionsLen];
-            for (int i = 0; i < alternateVersionsLen; i++)
-            {
-                var video = videos[i + 1];
-                alternateVersions[i] = video.Files[0];
-            }
-
-            list[0].AlternateVersions = alternateVersions;
+            list[0].AlternateVersions = videos.Select(x => x.Files[0]).ToArray();
             list[0].Name = folderName.ToString();
 
             return list;
@@ -161,9 +179,8 @@ namespace Emby.Naming.Video
             return true;
         }
 
-        private static bool IsEligibleForMultiVersion(ReadOnlySpan<char> folderName, string testFilePath, NamingOptions namingOptions)
+        private static bool IsEligibleForMultiVersion(ReadOnlySpan<char> folderName, ReadOnlySpan<char> testFilename, NamingOptions namingOptions)
         {
-            var testFilename = Path.GetFileNameWithoutExtension(testFilePath.AsSpan());
             if (!testFilename.StartsWith(folderName, StringComparison.OrdinalIgnoreCase))
             {
                 return false;
@@ -176,16 +193,15 @@ namespace Emby.Naming.Video
             }
 
             // There are no span overloads for regex unfortunately
-            var tmpTestFilename = testFilename.ToString();
-            if (CleanStringParser.TryClean(tmpTestFilename, namingOptions.CleanStringRegexes, out var cleanName))
+            if (CleanStringParser.TryClean(testFilename.ToString(), namingOptions.CleanStringRegexes, out var cleanName))
             {
-                tmpTestFilename = cleanName.Trim();
+                testFilename = cleanName.AsSpan().Trim();
             }
 
             // The CleanStringParser should have removed common keywords etc.
-            return string.IsNullOrEmpty(tmpTestFilename)
+            return testFilename.IsEmpty
                    || testFilename[0] == '-'
-                   || Regex.IsMatch(tmpTestFilename, @"^\[([^]]*)\]", RegexOptions.Compiled);
+                   || Regex.IsMatch(testFilename, @"^\[([^]]*)\]", RegexOptions.Compiled);
         }
     }
 }
diff --git a/Emby.Naming/Video/VideoResolver.cs b/Emby.Naming/Video/VideoResolver.cs
index 858e9dd2f5..db5bfdbf94 100644
--- a/Emby.Naming/Video/VideoResolver.cs
+++ b/Emby.Naming/Video/VideoResolver.cs
@@ -87,8 +87,7 @@ namespace Emby.Naming.Video
                 name = cleanDateTimeResult.Name;
                 year = cleanDateTimeResult.Year;
 
-                if (extraResult.ExtraType is null
-                    && TryCleanString(name, namingOptions, out var newName))
+                if (TryCleanString(name, namingOptions, out var newName))
                 {
                     name = newName;
                 }