record dvd season/episode numbers

MediaBrowser.Controller/Entities/TV/Episode.cs

@@ -40,6 +40,17 @@ namespace MediaBrowser.Controller.Entities.TV
         public int? AirsAfterSeasonNumber { get; set; }
         public int? AirsBeforeEpisodeNumber { get; set; }
 
+        /// <summary>
+        /// Gets or sets the DVD season number.
+        /// </summary>
+        /// <value>The DVD season number.</value>
+        public int? DvdSeasonNumber { get; set; }
+        /// <summary>
+        /// Gets or sets the DVD episode number.
+        /// </summary>
+        /// <value>The DVD episode number.</value>
+        public int? DvdEpisodeNumber { get; set; }
+
         /// <summary>
         /// We want to group into series not show individually in an index
         /// </summary>

MediaBrowser.Providers/Savers/EpisodeXmlSaver.cs

@@ -92,6 +92,16 @@ namespace MediaBrowser.Providers.Savers
                 builder.Append("<SeasonNumber>" + SecurityElement.Escape(episode.ParentIndexNumber.Value.ToString(_usCulture)) + "</SeasonNumber>");
             }
 
+            if (episode.DvdEpisodeNumber.HasValue)
+            {
+                builder.Append("<DVD_episodenumber>" + SecurityElement.Escape(episode.DvdEpisodeNumber.Value.ToString(_usCulture)) + "</DVD_episodenumber>");
+            }
+
+            if (episode.DvdSeasonNumber.HasValue)
+            {
+                builder.Append("<DVD_season>" + SecurityElement.Escape(episode.DvdSeasonNumber.Value.ToString(_usCulture)) + "</DVD_season>");
+            } 
+            
             if (episode.PremiereDate.HasValue)
             {
                 builder.Append("<FirstAired>" + SecurityElement.Escape(episode.PremiereDate.Value.ToString("yyyy-MM-dd")) + "</FirstAired>");
@@ -113,7 +123,9 @@ namespace MediaBrowser.Providers.Savers
                     "EpisodeNumberEnd",
                     "airsafter_season",
                     "airsbefore_episode",
-                    "airsbefore_season"
+                    "airsbefore_season",
+                    "DVD_episodenumber",
+                    "DVD_season"
                 });
         }
 

MediaBrowser.Providers/TV/EpisodeXmlParser.cs

@@ -142,6 +142,38 @@ namespace MediaBrowser.Providers.TV
                         break;
                     }
 
+                case "DVD_episodenumber":
+                    {
+                        var number = reader.ReadElementContentAsString();
+
+                        if (!string.IsNullOrWhiteSpace(number))
+                        {
+                            int num;
+
+                            if (int.TryParse(number, out num))
+                            {
+                                item.DvdEpisodeNumber = num;
+                            }
+                        }
+                        break;
+                    }
+
+                case "DVD_season":
+                    {
+                        var number = reader.ReadElementContentAsString();
+
+                        if (!string.IsNullOrWhiteSpace(number))
+                        {
+                            int num;
+
+                            if (int.TryParse(number, out num))
+                            {
+                                item.DvdSeasonNumber = num;
+                            }
+                        }
+                        break;
+                    }
+
                 case "airsbefore_episode":
                     {
                         var val = reader.ReadElementContentAsString();

MediaBrowser.Providers/TV/TvdbEpisodeProvider.cs

@@ -404,6 +404,42 @@ namespace MediaBrowser.Providers.TV
                                         break;
                                     }
 
+                                case "DVD_episodenumber":
+                                    {
+                                        var val = reader.ReadElementContentAsString();
+
+                                        if (!string.IsNullOrWhiteSpace(val))
+                                        {
+                                            int rval;
+
+                                            // int.TryParse is local aware, so it can be probamatic, force us culture
+                                            if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
+                                            {
+                                                item.DvdEpisodeNumber = rval;
+                                            }
+                                        }
+
+                                        break;
+                                    }
+
+                                case "DVD_season":
+                                    {
+                                        var val = reader.ReadElementContentAsString();
+
+                                        if (!string.IsNullOrWhiteSpace(val))
+                                        {
+                                            int rval;
+
+                                            // int.TryParse is local aware, so it can be probamatic, force us culture
+                                            if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
+                                            {
+                                                item.DvdSeasonNumber = rval;
+                                            }
+                                        }
+
+                                        break;
+                                    }
+
                                 case "airsbefore_episode":
                                     {
                                         var val = reader.ReadElementContentAsString();