Start circle tracking support

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

1 files changed, 62 insertions, 0 deletions

diff --git a/lib/Listener/CircleDeletedListener.php b/lib/Listener/CircleDeletedListener.php
new file mode 100644
index 000000000..c7e3f6873
--- /dev/null
+++ b/lib/Listener/CircleDeletedListener.php
@@ -0,0 +1,62 @@
+<?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\Listener;
+
+use OCA\Circles\Events\CircleDestroyedEvent;
+use OCA\Talk\Manager;
+use OCA\Talk\Model\Attendee;
+use OCA\Talk\Room;
+use OCA\Talk\Service\ParticipantService;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+
+class CircleDeletedListener implements IEventListener {
+
+	/** @var Manager */
+	private $manager;
+	/** @var ParticipantService */
+	private $participantService;
+
+	public function __construct(Manager $manager,
+								ParticipantService $participantService) {
+		$this->manager = $manager;
+		$this->participantService = $participantService;
+	}
+
+	public function handle(Event $event): void {
+		if (!($event instanceof CircleDestroyedEvent)) {
+			// Unrelated
+			return;
+		}
+
+		$circleId = $event->getCircle()->getSingleId();
+
+		// Remove the circle itself from being a participant
+		$rooms = $this->manager->getRoomsForActor(Attendee::ACTOR_CIRCLES, $circleId);
+		foreach ($rooms as $room) {
+			$participant = $room->getParticipantByActor(Attendee::ACTOR_CIRCLES, $circleId);
+			$this->participantService->removeAttendee($room, $participant, Room::PARTICIPANT_REMOVED);
+		}
+	}
+}