Adjust notifier to Nextcloud 17

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

lib/AppInfo/Application.php

@@ -129,16 +129,7 @@ class Application extends App {
 
 	protected function registerNotifier(IServerContainer $server): void {
 		$manager = $server->getNotificationManager();
-		$manager->registerNotifier(function() use ($server) {
-			return $server->query(Notifier::class);
-		}, function() use ($server) {
-			$l = $server->getL10N('spreed');
-
-			return [
-				'id' => 'spreed',
-				'name' => $l->t('Talk'),
-			];
-		});
+		$manager->registerNotifierService(Notifier::class);
 	}
 
 	protected function registerCollaborationResourceProvider(IServerContainer $server): void {

lib/Notification/Notifier.php

@@ -90,6 +90,26 @@ class Notifier implements INotifier {
 		$this->definitions = $definitions;
 	}
 
+	/**
+	 * Identifier of the notifier, only use [a-z0-9_]
+	 *
+	 * @return string
+	 * @since 17.0.0
+	 */
+	public function getID(): string {
+		return 'talk';
+	}
+
+	/**
+	 * Human readable name describing the notifier
+	 *
+	 * @return string
+	 * @since 17.0.0
+	 */
+	public function getName(): string {
+		return $this->lFactory->get('spreed')->t('Talk');
+	}
+
 	/**
 	 * @param INotification $notification
 	 * @param string $languageCode The code of the language that should be used to prepare the notification
@@ -97,7 +117,7 @@ class Notifier implements INotifier {
 	 * @throws \InvalidArgumentException When the notification was not prepared by a notifier
 	 * @since 9.0.0
 	 */
-	public function prepare(INotification $notification, $languageCode): INotification {
+	public function prepare(INotification $notification, string $languageCode): INotification {
 		if ($notification->getApp() !== 'spreed') {
 			throw new \InvalidArgumentException('Incorrect app');
 		}