support recursive played filter

MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs

@@ -137,24 +137,14 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 var libraryItems = user.RootFolder.GetRecursiveChildren(user).ToList();
 
-                items = items.Where(i => GetLibraryItems(i, libraryItems).All(l =>
-                {
-                    var userdata = UserDataRepository.GetUserData(user.Id, l.GetUserDataKey());
-                        
-                    return userdata != null && userdata.Played;
-                }));
+                items = items.Where(i => GetLibraryItems(i, libraryItems).All(l => l.IsPlayed(user)));
             }
 
             if (filters.Contains(ItemFilter.IsUnplayed))
             {
                 var libraryItems = user.RootFolder.GetRecursiveChildren(user).ToList();
 
-                items = items.Where(i => GetLibraryItems(i, libraryItems).All(l =>
-                {
-                    var userdata = UserDataRepository.GetUserData(user.Id, l.GetUserDataKey());
-
-                    return userdata == null || !userdata.Played;
-                }));
+                items = items.Where(i => GetLibraryItems(i, libraryItems).All(l => !l.IsPlayed(user)));
             }
 
             return items;

MediaBrowser.Api/UserLibrary/ItemsService.cs

@@ -386,6 +386,9 @@ namespace MediaBrowser.Api.UserLibrary
         /// <returns>IEnumerable{BaseItem}.</returns>
         internal static IEnumerable<BaseItem> ApplyFilter(IEnumerable<BaseItem> items, ItemFilter filter, User user, IUserDataManager repository)
         {
+            // Avoid implicitly captured closure
+            var currentUser = user;
+
             switch (filter)
             {
                 case ItemFilter.IsFavoriteOrLikes:
@@ -440,20 +443,10 @@ namespace MediaBrowser.Api.UserLibrary
                     });
 
                 case ItemFilter.IsPlayed:
-                    return items.Where(item =>
-                    {
-                        var userdata = repository.GetUserData(user.Id, item.GetUserDataKey());
-
-                        return userdata != null && userdata.Played;
-                    });
+                    return items.Where(item => item.IsPlayed(currentUser));
 
                 case ItemFilter.IsUnplayed:
-                    return items.Where(item =>
-                    {
-                        var userdata = repository.GetUserData(user.Id, item.GetUserDataKey());
-
-                        return userdata == null || !userdata.Played;
-                    });
+                    return items.Where(item => !item.IsPlayed(currentUser));
 
                 case ItemFilter.IsFolder:
                     return items.Where(item => item.IsFolder);

MediaBrowser.Controller/Entities/BaseItem.cs

@@ -167,6 +167,7 @@ namespace MediaBrowser.Controller.Entities
         public static ILocalizationManager LocalizationManager { get; set; }
         public static IItemRepository ItemRepository { get; set; }
         public static IFileSystem FileSystem { get; set; }
+        public static IUserDataManager UserDataManager { get; set; }
 
         /// <summary>
         /// Returns a <see cref="System.String" /> that represents this instance.
@@ -1705,5 +1706,12 @@ namespace MediaBrowser.Controller.Entities
             // Directory watchers should repeat this, but do a quick refresh first
             return RefreshMetadata(CancellationToken.None, forceSave: true, allowSlowProviders: false);
         }
+
+        public virtual bool IsPlayed(User user)
+        {
+            var userdata = UserDataManager.GetUserData(user.Id, GetUserDataKey());
+
+            return userdata != null && userdata.Played;
+        }
     }
 }

MediaBrowser.Controller/Entities/Folder.cs

@@ -1084,5 +1084,10 @@ namespace MediaBrowser.Controller.Entities
                 }
             });
         }
+
+        public override bool IsPlayed(User user)
+        {
+            return GetRecursiveChildren(user).Where(i => !i.IsFolder).All(i => i.IsPlayed(user));
+        }
     }
 }

MediaBrowser.Server.Implementations/Sorting/IsUnplayedComparer.cs

@@ -32,14 +32,7 @@ namespace MediaBrowser.Server.Implementations.Sorting
         /// <returns>DateTime.</returns>
         private int GetValue(BaseItem x)
         {
-            var userdata = UserDataRepository.GetUserData(User.Id, x.GetUserDataKey());
-
-            if (userdata == null)
-            {
-                return 0;
-            }
-
-            return userdata.Played ? 1 : 0;
+            return x.IsPlayed(User) ? 1 : 0;
         }
 
         /// <summary>
@@ -90,14 +83,7 @@ namespace MediaBrowser.Server.Implementations.Sorting
         /// <returns>DateTime.</returns>
         private int GetValue(BaseItem x)
         {
-            var userdata = UserDataRepository.GetUserData(User.Id, x.GetUserDataKey());
-
-            if (userdata == null)
-            {
-                return 1;
-            }
-
-            return userdata.Played ? 0 : 1;
+            return x.IsPlayed(User) ? 0 : 1;
         }
 
         /// <summary>