1 files changed, 15 insertions, 56 deletions

diff --git a/Emby.Naming/Video/CleanDateTimeParser.cs b/Emby.Naming/Video/CleanDateTimeParser.cs
index a9db4cccc..6c74c07d5 100644
--- a/Emby.Naming/Video/CleanDateTimeParser.cs
+++ b/Emby.Naming/Video/CleanDateTimeParser.cs
@@ -1,89 +1,48 @@
 #pragma warning disable CS1591
 #pragma warning disable SA1600
+#nullable enable
 
-using System;
+using System.Collections.Generic;
 using System.Globalization;
-using System.IO;
-using System.Linq;
 using System.Text.RegularExpressions;
-using Emby.Naming.Common;
 
 namespace Emby.Naming.Video
 {
     /// <summary>
     /// <see href="http://kodi.wiki/view/Advancedsettings.xml#video" />.
     /// </summary>
-    public class CleanDateTimeParser
+    public static class CleanDateTimeParser
     {
-        private readonly NamingOptions _options;
-
-        public CleanDateTimeParser(NamingOptions options)
+        public static CleanDateTimeResult Clean(string name, IReadOnlyList<Regex> cleanDateTimeRegexes)
         {
-            _options = options;
-        }
-
-        public CleanDateTimeResult Clean(string name)
-        {
-            var originalName = name;
-
-            try
+            CleanDateTimeResult result = new CleanDateTimeResult(name);
+            var len = cleanDateTimeRegexes.Count;
+            for (int i = 0; i < len; i++)
             {
-                var extension = Path.GetExtension(name) ?? string.Empty;
-                // Check supported extensions
-                if (!_options.VideoFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)
-                    && !_options.AudioFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
+                if (TryClean(name, cleanDateTimeRegexes[i], ref result))
                 {
-                    // Dummy up a file extension because the expressions will fail without one
-                    // This is tricky because we can't just check Path.GetExtension for empty
-                    // If the input is "St. Vincent (2014)", it will produce ". Vincent (2014)" as the extension
-                    name += ".mkv";
+                    return result;
                 }
             }
-            catch (ArgumentException)
-            {
-            }
-
-            var result = _options.CleanDateTimeRegexes.Select(i => Clean(name, i))
-                .FirstOrDefault(i => i.HasChanged) ??
-                new CleanDateTimeResult { Name = originalName };
-
-            if (result.HasChanged)
-            {
-                return result;
-            }
-
-            // Make a second pass, running clean string first
-            var cleanStringResult = new CleanStringParser().Clean(name, _options.CleanStringRegexes);
 
-            if (!cleanStringResult.HasChanged)
-            {
-                return result;
-            }
-
-            return _options.CleanDateTimeRegexes.Select(i => Clean(cleanStringResult.Name, i))
-                .FirstOrDefault(i => i.HasChanged) ??
-                result;
+            return result;
         }
 
-        private static CleanDateTimeResult Clean(string name, Regex expression)
+        private static bool TryClean(string name, Regex expression, ref CleanDateTimeResult result)
         {
-            var result = new CleanDateTimeResult();
-
             var match = expression.Match(name);
 
             if (match.Success
-                && match.Groups.Count == 4
+                && 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))
             {
-                name = match.Groups[1].Value;
-                result.Year = year;
-                result.HasChanged = true;
+                result = new CleanDateTimeResult(match.Groups[1].Value.TrimEnd(), year);
+                return true;
             }
 
-            result.Name = name;
-            return result;
+            return false;
         }
     }
 }