1 files changed, 58 insertions, 0 deletions
diff --git a/lib/Listener/UserDisplayNameListener.php b/lib/Listener/UserDisplayNameListener.php
new file mode 100644
index 000000000..4416a19df
--- /dev/null
+++ b/lib/Listener/UserDisplayNameListener.php
@@ -0,0 +1,58 @@
+<?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\Talk\Model\Attendee;
+use OCA\Talk\Service\ParticipantService;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\User\Events\UserChangedEvent;
+
+class UserDisplayNameListener implements IEventListener {
+
+	/** @var ParticipantService */
+	private $participantService;
+
+	public function __construct(ParticipantService $participantService) {
+		$this->participantService = $participantService;
+	}
+
+	public function handle(Event $event): void {
+		if (!($event instanceof UserChangedEvent)) {
+			// Unrelated
+			return;
+		}
+
+		if ($event->getFeature() !== 'displayName') {
+			// Unrelated
+			return;
+		}
+
+		$this->participantService->updateDisplayNameForActor(
+			Attendee::ACTOR_USERS,
+			$event->getUser()->getUID(),
+			(string) $event->getValue()
+		);
+	}
+}