fix(cache): Remove displayname cache entry on delete

Signed-off-by: Joas Schilling <coding@schilljs.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/private/Group/DisplayNameCache.php b/lib/private/Group/DisplayNameCache.php
index d724b6caf0e..4eb8211be6e 100644
--- a/lib/private/Group/DisplayNameCache.php
+++ b/lib/private/Group/DisplayNameCache.php
@@ -29,6 +29,7 @@ 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;
@@ -83,5 +84,10 @@ 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);
+		}
 	}
 }