updated playstate methods

MediaBrowser.Controller/Library/IUserDataManager.cs

@@ -64,6 +64,6 @@ namespace MediaBrowser.Controller.Library
         /// <summary>
         /// Updates playstate for an item and returns true or false indicating if it was played to completion
         /// </summary>
-        bool UpdatePlayState(BaseItem item, UserItemData data, long positionTicks);
+        bool UpdatePlayState(BaseItem item, UserItemData data, long? positionTicks);
     }
 }

MediaBrowser.Server.Implementations/Library/UserDataManager.cs

@@ -208,10 +208,11 @@ namespace MediaBrowser.Server.Implementations.Library
             };
         }
 
-        public bool UpdatePlayState(BaseItem item, UserItemData data, long positionTicks)
+        public bool UpdatePlayState(BaseItem item, UserItemData data, long? reportedPositionTicks)
         {
             var playedToCompletion = false;
 
+            var positionTicks = reportedPositionTicks ?? item.RunTimeTicks ?? 0;
             var hasRuntime = item.RunTimeTicks.HasValue && item.RunTimeTicks > 0;
 
             // If a position has been reported, and if we know the duration

MediaBrowser.Server.Implementations/Sync/SyncManager.cs

@@ -683,7 +683,7 @@ namespace MediaBrowser.Server.Implementations.Sync
             var userData = _userDataManager.GetUserData(new Guid(action.UserId), item.GetUserDataKey());
 
             userData.LastPlayedDate = action.Date;
-            _userDataManager.UpdatePlayState(item, userData, action.PositionTicks ?? item.RunTimeTicks ?? 0);
+            _userDataManager.UpdatePlayState(item, userData, action.PositionTicks);
 
             return _userDataManager.SaveUserData(new Guid(action.UserId), item, userData, UserDataSaveReason.Import, CancellationToken.None);
         }