Forward-ported a new DbHelper method from v2.1 which is now needed for the sitemap.xml generator

app/Helpers/DbHelper.php

@@ -9,6 +9,28 @@ use Illuminate\Support\Facades\Auth;
 
 class DbHelper
 {
+    private static $allowedAlbumIDs = null;
+
+    public static function getAlbumIDsForCurrentUser()
+    {
+        if (is_null(self::$allowedAlbumIDs))
+        {
+            $query = self::getAlbumsForCurrentUser_NonPaged();
+            $query->select('albums.id');
+
+            $ids = [];
+
+            foreach ($query->get() as $album)
+            {
+                $ids[] = $album->id;
+            }
+
+            self::$allowedAlbumIDs = $ids;
+        }
+
+        return self::$allowedAlbumIDs;
+    }
+    
     public static function getAlbumsForCurrentUser($parentID = -1)
     {
         $query = self::getAlbumsForCurrentUser_NonPaged();