parse episode index number at resolve time

MediaBrowser.Controller/Library/TVUtils.cs

@@ -1,4 +1,5 @@
-using MediaBrowser.Controller.Resolvers;
+using System.Globalization;
+using MediaBrowser.Controller.Resolvers;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -184,8 +185,7 @@ namespace MediaBrowser.Controller.Library
                 }
                 else
                 {
-                    if (EntityResolutionHelper.IsVideoFile(child.FullName) &&
+                    if (EntityResolutionHelper.IsVideoFile(child.FullName) && GetEpisodeNumberFromFile(child.FullName, false).HasValue)
-                        !string.IsNullOrEmpty(EpisodeNumberFromFile(child.FullName, false)))
                     {
                         return true;
                     }
@@ -201,14 +201,14 @@ namespace MediaBrowser.Controller.Library
         /// <param name="fullPath">The full path.</param>
         /// <param name="isInSeason">if set to <c>true</c> [is in season].</param>
         /// <returns>System.String.</returns>
-        public static string EpisodeNumberFromFile(string fullPath, bool isInSeason)
+        public static int? GetEpisodeNumberFromFile(string fullPath, bool isInSeason)
         {
             string fl = fullPath.ToLower();
             foreach (var r in EpisodeExpressions)
             {
                 Match m = r.Match(fl);
                 if (m.Success)
-                    return m.Groups["epnumber"].Value;
+                    return ParseEpisodeNumber(m.Groups["epnumber"].Value);
             }
             if (isInSeason)
             {
@@ -217,13 +217,27 @@ namespace MediaBrowser.Controller.Library
 
                 if (match != null)
                 {
-                    return match.Value;
+                    return ParseEpisodeNumber(match.Value);
                 }
             }
 
             return null;
         }
 
+        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
+        
+        private static int? ParseEpisodeNumber(string val)
+        {
+            int num;
+
+            if (!string.IsNullOrEmpty(val) && int.TryParse(val, NumberStyles.Integer, UsCulture, out num))
+            {
+                return num;
+            }
+
+            return null;
+        }
+
         /// <summary>
         /// Seasons the number from episode file.
         /// </summary>

MediaBrowser.Controller/Providers/TV/RemoteEpisodeProvider.cs

@@ -144,18 +144,16 @@ namespace MediaBrowser.Controller.Providers.TV
         {
             string location = episode.Path;
 
-            string epNum = TVUtils.EpisodeNumberFromFile(location, episode.Season != null);
+            var episodeNumber = episode.IndexNumber ?? TVUtils.GetEpisodeNumberFromFile(location, episode.Season != null);
 
             var status = ProviderRefreshStatus.Success;
 
-            if (epNum == null)
+            if (episodeNumber == null)
             {
                 Logger.Warn("TvDbProvider: Could not determine episode number for: " + episode.Path);
                 return status;
             }
 
-            var episodeNumber = Int32.Parse(epNum);
-
             episode.IndexNumber = episodeNumber;
             var usingAbsoluteData = false;
 

MediaBrowser.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs

@@ -18,8 +18,10 @@ namespace MediaBrowser.Server.Implementations.Library.Resolvers.TV
         /// <returns>Episode.</returns>
         protected override Episode Resolve(ItemResolveArgs args)
         {
+            var isInSeason = args.Parent is Season;
+
             // If the parent is a Season or Series, then this is an Episode if the VideoResolver returns something
-            if (args.Parent is Season || args.Parent is Series)
+            if (isInSeason || args.Parent is Series)
             {
                 if (args.IsDirectory)
                 {
@@ -27,6 +29,7 @@ namespace MediaBrowser.Server.Implementations.Library.Resolvers.TV
                     {
                         return new Episode
                         {
+                            IndexNumber = TVUtils.GetEpisodeNumberFromFile(args.Path, isInSeason),
                             Path = args.Path,
                             VideoType = VideoType.Dvd
                         };
@@ -35,13 +38,21 @@ namespace MediaBrowser.Server.Implementations.Library.Resolvers.TV
                     {
                         return new Episode
                         {
+                            IndexNumber = TVUtils.GetEpisodeNumberFromFile(args.Path, isInSeason),
                             Path = args.Path,
                             VideoType = VideoType.BluRay
                         };
                     }
                 }
 
-                return base.Resolve(args);
+                var episide = base.Resolve(args);
+
+                if (episide != null)
+                {
+                    episide.IndexNumber = TVUtils.GetEpisodeNumberFromFile(args.Path, isInSeason);
+                }
+
+                return episide;
             }
 
             return null;