4 files changed, 42 insertions, 43 deletions

diff --git a/MediaBrowser.Controller/Entities/Audio/Audio.cs b/MediaBrowser.Controller/Entities/Audio/Audio.cs
index 3ebf4da00..02a9f15a9 100644
--- a/MediaBrowser.Controller/Entities/Audio/Audio.cs
+++ b/MediaBrowser.Controller/Entities/Audio/Audio.cs
@@ -154,46 +154,28 @@ namespace MediaBrowser.Controller.Entities.Audio
         {
             var list = base.GetUserDataKeys();
 
-            if (ConfigurationManager.Configuration.EnableStandaloneMusicKeys)
-            {
-                var songKey = IndexNumber.HasValue ? IndexNumber.Value.ToString("0000") : string.Empty;
-
-
-                if (ParentIndexNumber.HasValue)
-                {
-                    songKey = ParentIndexNumber.Value.ToString("0000") + "-" + songKey;
-                }
-                songKey += Name;
+            var songKey = IndexNumber.HasValue ? IndexNumber.Value.ToString("0000") : string.Empty;
 
-                if (!string.IsNullOrWhiteSpace(Album))
-                {
-                    songKey = Album + "-" + songKey;
-                }
-
-                var albumArtist = AlbumArtists.Length == 0 ? null : AlbumArtists[0];
-                if (!string.IsNullOrWhiteSpace(albumArtist))
-                {
-                    songKey = albumArtist + "-" + songKey;
-                }
 
-                list.Insert(0, songKey);
-            }
-            else
+            if (ParentIndexNumber.HasValue)
             {
-                var parent = AlbumEntity;
+                songKey = ParentIndexNumber.Value.ToString("0000") + "-" + songKey;
+            }
+            songKey += Name;
 
-                if (parent != null && IndexNumber.HasValue)
-                {
-                    list.InsertRange(0, parent.GetUserDataKeys().Select(i =>
-                    {
-                        var songKey = (ParentIndexNumber != null ? ParentIndexNumber.Value.ToString("0000 - ") : "")
-                                      + IndexNumber.Value.ToString("0000 - ");
+            if (!string.IsNullOrWhiteSpace(Album))
+            {
+                songKey = Album + "-" + songKey;
+            }
 
-                        return i + songKey;
-                    }));
-                }
+            var albumArtist = AlbumArtists.Length == 0 ? null : AlbumArtists[0];
+            if (!string.IsNullOrWhiteSpace(albumArtist))
+            {
+                songKey = albumArtist + "-" + songKey;
             }
 
+            list.Insert(0, songKey);
+
             return list;
         }
 
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
index 7af8161ca..acda9ae02 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
@@ -145,13 +145,10 @@ namespace MediaBrowser.Controller.Entities.Audio
         {
             var list = base.GetUserDataKeys();
 
-            if (ConfigurationManager.Configuration.EnableStandaloneMusicKeys)
+            var albumArtist = AlbumArtist;
+            if (!string.IsNullOrWhiteSpace(albumArtist))
             {
-                var albumArtist = AlbumArtist;
-                if (!string.IsNullOrWhiteSpace(albumArtist))
-                {
-                    list.Insert(0, albumArtist + "-" + Name);
-                }
+                list.Insert(0, albumArtist + "-" + Name);
             }
 
             var id = this.GetProviderId(MetadataProviders.MusicBrainzAlbum);
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index c41d3e0cd..4416c5e91 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -918,9 +918,10 @@ namespace MediaBrowser.Controller.Entities
         {
             get
             {
-                if (!string.IsNullOrWhiteSpace(OfficialRating))
+                var officialRating = OfficialRating;
+                if (!string.IsNullOrWhiteSpace(officialRating))
                 {
-                    return OfficialRating;
+                    return officialRating;
                 }
 
                 var parent = DisplayParent;
@@ -938,9 +939,10 @@ namespace MediaBrowser.Controller.Entities
         {
             get
             {
-                if (!string.IsNullOrWhiteSpace(CustomRating))
+                var customRating = CustomRating;
+                if (!string.IsNullOrWhiteSpace(customRating))
                 {
-                    return CustomRating;
+                    return customRating;
                 }
 
                 var parent = DisplayParent;
@@ -2480,5 +2482,21 @@ namespace MediaBrowser.Controller.Entities
         {
             return null;
         }
+
+        public virtual ItemUpdateType OnMetadataChanged()
+        {
+            var updateType = ItemUpdateType.None;
+
+            var item = this;
+
+            var inheritedParentalRatingValue = item.GetInheritedParentalRatingValue() ?? 0;
+            if (inheritedParentalRatingValue != item.InheritedParentalRatingValue)
+            {
+                item.InheritedParentalRatingValue = inheritedParentalRatingValue;
+                updateType |= ItemUpdateType.MetadataImport;
+            }
+
+            return updateType;
+        }
     }
 }
\ No newline at end of file
diff --git a/MediaBrowser.Controller/Entities/IHasMetadata.cs b/MediaBrowser.Controller/Entities/IHasMetadata.cs
index 59d9bd9f9..4146686b2 100644
--- a/MediaBrowser.Controller/Entities/IHasMetadata.cs
+++ b/MediaBrowser.Controller/Entities/IHasMetadata.cs
@@ -266,6 +266,8 @@ namespace MediaBrowser.Controller.Entities
         int? ProductionYear { get; set; }
 
         string[] Tags { get; set; }
+
+        ItemUpdateType OnMetadataChanged();
     }
 
     public static class HasMetadataExtensions