Don't log single "call_left" system messages when call ended for everyone

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

lib/Chat/SystemMessage/Listener.php

@@ -27,6 +27,7 @@ use OCA\Talk\Chat\ChatManager;
 use OCA\Talk\Events\AddParticipantsEvent;
 use OCA\Talk\Events\AttendeesAddedEvent;
 use OCA\Talk\Events\AttendeesRemovedEvent;
+use OCA\Talk\Events\ModifyEveryoneEvent;
 use OCA\Talk\Events\ModifyLobbyEvent;
 use OCA\Talk\Events\ModifyParticipantEvent;
 use OCA\Talk\Events\ModifyRoomEvent;
@@ -96,6 +97,11 @@ class Listener implements IEventListener {
 			}
 		});
 		$dispatcher->addListener(Room::EVENT_AFTER_SESSION_LEAVE_CALL, static function (ModifyParticipantEvent $event) {
+			if ($event instanceof ModifyEveryoneEvent) {
+				// No individual system message if the call is ended for everyone
+				return;
+			}
+
 			$room = $event->getRoom();
 
 			$session = $event->getParticipant()->getSession();

lib/Events/ModifyEveryoneEvent.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Talk\Events;
+
+class ModifyEveryoneEvent extends ModifyParticipantEvent {
+}

lib/Service/ParticipantService.php

@@ -32,6 +32,7 @@ use OCA\Talk\Events\AttendeesAddedEvent;
 use OCA\Talk\Events\AttendeesRemovedEvent;
 use OCA\Talk\Events\JoinRoomGuestEvent;
 use OCA\Talk\Events\JoinRoomUserEvent;
+use OCA\Talk\Events\ModifyEveryoneEvent;
 use OCA\Talk\Events\ModifyParticipantEvent;
 use OCA\Talk\Events\ModifyRoomEvent;
 use OCA\Talk\Events\ParticipantEvent;
@@ -915,13 +916,13 @@ class ParticipantService {
 
 		// kick out all participants out of the call
 		foreach ($participants as $participant) {
-			$this->changeInCall($room, $participant, Participant::FLAG_DISCONNECTED);
+			$this->changeInCall($room, $participant, Participant::FLAG_DISCONNECTED, true);
 		}
 
 		$this->dispatcher->dispatch(Room::EVENT_AFTER_END_CALL_FOR_EVERYONE, $event);
 	}
 
-	public function changeInCall(Room $room, Participant $participant, int $flags): void {
+	public function changeInCall(Room $room, Participant $participant, int $flags, bool $endCallForEveryone = false): void {
 		$session = $participant->getSession();
 		if (!$session instanceof Session) {
 			return;
@@ -935,10 +936,15 @@ class ParticipantService {
 			$flags &= ~Participant::FLAG_WITH_VIDEO;
 		}
 
-		$event = new ModifyParticipantEvent($room, $participant, 'inCall', $flags, $session->getInCall());
 		if ($flags !== Participant::FLAG_DISCONNECTED) {
+			$event = new ModifyParticipantEvent($room, $participant, 'inCall', $flags, $session->getInCall());
 			$this->dispatcher->dispatch(Room::EVENT_BEFORE_SESSION_JOIN_CALL, $event);
 		} else {
+			if ($endCallForEveryone) {
+				$event = new ModifyEveryoneEvent($room, $participant, 'inCall', $flags, $session->getInCall());
+			} else {
+				$event = new ModifyParticipantEvent($room, $participant, 'inCall', $flags, $session->getInCall());
+			}
 			$this->dispatcher->dispatch(Room::EVENT_BEFORE_SESSION_LEAVE_CALL, $event);
 		}