fix(participants): Don't emit the _AFTER event when no guests were removed

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

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Service/ParticipantService.php b/lib/Service/ParticipantService.php
index 8486e14de..62b8c9a02 100644
--- a/lib/Service/ParticipantService.php
+++ b/lib/Service/ParticipantService.php
@@ -1022,6 +1022,10 @@ class ParticipantService {
 		}
 		$result->closeCursor();
 
+		if (empty($attendeeIds)) {
+			return;
+		}
+
 		$this->attendeeMapper->deleteByIds($attendeeIds);
 
 		$attendeeEvent = new AttendeesRemovedEvent($room, $attendees);