1 files changed, 9 insertions, 20 deletions
diff --git a/lib/private/Group/DisplayNameCache.php b/lib/private/Group/DisplayNameCache.php
index d724b6caf0e..fef8d40a05f 100644
--- a/lib/private/Group/DisplayNameCache.php
+++ b/lib/private/Group/DisplayNameCache.php
@@ -1,34 +1,17 @@
 <?php
 
 declare(strict_types=1);
-
 /**
- * @copyright 2022 Anna Larch <anna.larch@gmx.net>
- * @author Anna Larch <anna.larch@gmx.net>
- *
- * @license AGPL-3.0-or-later
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-
-
 namespace OC\Group;
 
 use OCP\Cache\CappedMemoryCache;
 use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventListener;
 use OCP\Group\Events\GroupChangedEvent;
+use OCP\Group\Events\GroupDeletedEvent;
 use OCP\ICache;
 use OCP\ICacheFactory;
 use OCP\IGroupManager;
@@ -37,6 +20,7 @@ use OCP\IGroupManager;
  * Class that cache the relation Group ID -> Display name
  *
  * This saves fetching the group from the backend for "just" the display name
+ * @template-implements IEventListener<GroupChangedEvent|GroupDeletedEvent>
  */
 class DisplayNameCache implements IEventListener {
 	private CappedMemoryCache $cache;
@@ -83,5 +67,10 @@ class DisplayNameCache implements IEventListener {
 			$this->cache[$groupId] = $newDisplayName;
 			$this->memCache->set($groupId, $newDisplayName, 60 * 10); // 10 minutes
 		}
+		if ($event instanceof GroupDeletedEvent) {
+			$groupId = $event->getGroup()->getGID();
+			unset($this->cache[$groupId]);
+			$this->memCache->remove($groupId);
+		}
 	}
 }