added FoldersAddedTo, FoldersRemovedFrom to library change info

MediaBrowser.Model/Entities/LibraryUpdateInfo.cs

@@ -9,10 +9,15 @@ namespace MediaBrowser.Model.Entities
     public class LibraryUpdateInfo
     {
         /// <summary>
-        /// Gets or sets the folders.
+        /// Gets or sets the folders added to.
         /// </summary>
-        /// <value>The folders.</value>
-        public List<Guid> Folders { get; set; }
+        /// <value>The folders added to.</value>
+        public List<Guid> FoldersAddedTo { get; set; }
+        /// <summary>
+        /// Gets or sets the folders removed from.
+        /// </summary>
+        /// <value>The folders removed from.</value>
+        public List<Guid> FoldersRemovedFrom { get; set; }
 
         /// <summary>
         /// Gets or sets the items added.
@@ -37,7 +42,8 @@ namespace MediaBrowser.Model.Entities
         /// </summary>
         public LibraryUpdateInfo()
         {
-            Folders = new List<Guid>();
+            FoldersAddedTo = new List<Guid>();
+            FoldersRemovedFrom = new List<Guid>();
             ItemsAdded = new List<Guid>();
             ItemsRemoved = new List<Guid>();
             ItemsUpdated = new List<Guid>();

MediaBrowser.ServerApplication/EntryPoints/WebSocketEvents.cs

@@ -194,7 +194,7 @@ namespace MediaBrowser.ServerApplication.EntryPoints
 
                 if (e.Item.Parent != null)
                 {
-                    LibraryUpdateInfo.Folders.Add(e.Item.Parent.Id);
+                    LibraryUpdateInfo.FoldersAddedTo.Add(e.Item.Parent.Id);
                 }
 
                 LibraryUpdateInfo.ItemsAdded.Add(e.Item.Id);
@@ -225,11 +225,6 @@ namespace MediaBrowser.ServerApplication.EntryPoints
                     LibraryUpdateTimer.Change(LibraryUpdateDuration, Timeout.Infinite);
                 }
 
-                if (e.Item.Parent != null)
-                {
-                    LibraryUpdateInfo.Folders.Add(e.Item.Parent.Id);
-                }
-
                 LibraryUpdateInfo.ItemsUpdated.Add(e.Item.Id);
             }
         }
@@ -260,7 +255,7 @@ namespace MediaBrowser.ServerApplication.EntryPoints
 
                 if (e.Item.Parent != null)
                 {
-                    LibraryUpdateInfo.Folders.Add(e.Item.Parent.Id);
+                    LibraryUpdateInfo.FoldersRemovedFrom.Add(e.Item.Parent.Id);
                 }
 
                 LibraryUpdateInfo.ItemsRemoved.Add(e.Item.Id);
@@ -276,7 +271,8 @@ namespace MediaBrowser.ServerApplication.EntryPoints
             lock (_libraryChangedSyncLock)
             {
                 // Remove dupes in case some were saved multiple times
-                LibraryUpdateInfo.Folders = LibraryUpdateInfo.Folders.Distinct().ToList();
+                LibraryUpdateInfo.FoldersAddedTo = LibraryUpdateInfo.FoldersAddedTo.Distinct().ToList();
+                LibraryUpdateInfo.FoldersRemovedFrom = LibraryUpdateInfo.FoldersRemovedFrom.Distinct().ToList();
                 LibraryUpdateInfo.ItemsUpdated = LibraryUpdateInfo.ItemsUpdated.Distinct().ToList();
 
                 _serverManager.SendWebSocketMessage("LibraryChanged", LibraryUpdateInfo);