From bb6c3b4eecee46a0a6222ffe17657cabc7da97f4 Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Sat, 7 Feb 2026 21:17:01 +0100
Subject: Fix BoxSet collapse handling and deletion

---
 MediaBrowser.Controller/Entities/Folder.cs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'MediaBrowser.Controller/Entities/Folder.cs')

diff --git a/MediaBrowser.Controller/Entities/Folder.cs b/MediaBrowser.Controller/Entities/Folder.cs
index 44903fd4c1..0c0558b4c1 100644
--- a/MediaBrowser.Controller/Entities/Folder.cs
+++ b/MediaBrowser.Controller/Entities/Folder.cs
@@ -733,6 +733,7 @@ namespace MediaBrowser.Controller.Entities
             if (!query.ForceDirect && RequiresPostFiltering(query))
             {
                 query.CollapseBoxSetItems = true;
+                SetCollapseBoxSetItemTypes(query);
             }
 
             if (this is not UserRootFolder
@@ -1039,6 +1040,33 @@ namespace MediaBrowser.Controller.Entities
             return (queryHasMovies || queryHasSeries) && AllowBoxSetCollapsing(query);
         }
 
+        private void SetCollapseBoxSetItemTypes(InternalItemsQuery query)
+        {
+            var config = ConfigurationManager.Configuration;
+            bool collapseMovies = config.EnableGroupingMoviesIntoCollections;
+            bool collapseSeries = config.EnableGroupingShowsIntoCollections;
+
+            if (collapseMovies && collapseSeries)
+            {
+                // Empty means collapse all types
+                query.CollapseBoxSetItemTypes = [];
+                return;
+            }
+
+            var types = new List<BaseItemKind>();
+            if (collapseMovies)
+            {
+                types.Add(BaseItemKind.Movie);
+            }
+
+            if (collapseSeries)
+            {
+                types.Add(BaseItemKind.Series);
+            }
+
+            query.CollapseBoxSetItemTypes = types.ToArray();
+        }
+
         private static bool AllowBoxSetCollapsing(InternalItemsQuery request)
         {
             if (request.IsFavorite.HasValue)
-- 
cgit v1.2.3