Fix filters

1 files changed, 12 insertions, 0 deletions

diff --git a/Jellyfin.Api/Controllers/ItemsController.cs b/Jellyfin.Api/Controllers/ItemsController.cs
index d2fb1cd294..97183f09d4 100644
--- a/Jellyfin.Api/Controllers/ItemsController.cs
+++ b/Jellyfin.Api/Controllers/ItemsController.cs
@@ -299,6 +299,18 @@ public class ItemsController : BaseJellyfinApiController
             recursive = true;
             includeItemTypes = new[] { BaseItemKind.Playlist };
         }
+        else if (folder is ICollectionFolder && includeItemTypes.Length == 0)
+        {
+            // When the client doesn't specify recursive/includeItemTypes, force the query
+            // through the database path where all filters (IsHD, genres, etc.) are applied.
+            recursive = true;
+            includeItemTypes = collectionType switch
+            {
+                CollectionType.boxsets => [BaseItemKind.BoxSet],
+                null => [BaseItemKind.Movie, BaseItemKind.Series], // mixed
+                _ => []
+            };
+        }
 
         if (item is not UserRootFolder
             // api keys can always access all folders