Add a notifier that parses the notifications

apps/updatenotification/appinfo/app.php

@@ -38,4 +38,16 @@ if(\OC::$server->getConfig()->getSystemValue('updatechecker', true) === true) {
 			\OC_App::registerAdmin('updatenotification', 'admin');
 		}
 	}
+
+	$manager = \OC::$server->getNotificationManager();
+	$manager->registerNotifier(function() {
+		return new \OCA\UpdateNotification\Notification\Notifier(
+			\OC::$server->getL10NFactory()
+		);
+	}, function() use ($l) {
+		return [
+			'id' => 'updatenotification',
+			'name' => $l->t('Update notifications'),
+		];
+	});
 }

apps/updatenotification/lib/Notification/Notifier.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\UpdateNotification\Notification;
+
+
+use OCP\App\IAppManager;
+use OCP\L10N\IFactory;
+use OCP\Notification\INotification;
+use OCP\Notification\INotifier;
+
+class Notifier implements INotifier {
+
+	/** @var IFactory */
+	protected $l10NFactory;
+
+	/**
+	 * Notifier constructor.
+	 *
+	 * @param IFactory $l10NFactory
+	 */
+	public function __construct(IFactory $l10NFactory) {
+		$this->l10NFactory = $l10NFactory;
+	}
+
+	/**
+	 * @param INotification $notification
+	 * @param string $languageCode The code of the language that should be used to prepare the notification
+	 * @return INotification
+	 * @throws \InvalidArgumentException When the notification was not prepared by a notifier
+	 * @since 9.0.0
+	 */
+	public function prepare(INotification $notification, $languageCode) {
+		if ($notification->getApp() !== 'updatenotification') {
+			throw new \InvalidArgumentException();
+		}
+
+		$l = $this->l10NFactory->get('updatenotification', $languageCode);
+		if ($notification->getObjectType() === 'core') {
+			$appName = $l->t('ownCloud core');
+		} else {
+			$appInfo = \OC_App::getAppInfo($notification->getObjectType());
+			$appName = ($appInfo === null) ? $notification->getObjectType() : $appInfo['name'];
+		}
+
+		$notification->setParsedSubject($l->t('Update for %1$s to version %2$s is available.', [$appName, $notification->getObjectId()]));
+		return $notification;
+	}
+}