Adding repair step to fix component of birthday calendars

apps/dav/appinfo/info.xml

@@ -20,4 +20,9 @@
 	<background-jobs>
 		<job>OCA\DAV\CardDAV\Sync\SyncJob</job>
 	</background-jobs>
+	<repair-steps>
+		<post-migration>
+			<step>OCA\DAV\Migration\FixBirthdayCalendarComponent</step>
+		</post-migration>
+	</repair-steps>
 </info>

apps/dav/lib/Migration/FixBirthdayCalendarComponent.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @copyright Copyright (c) 2016, ownCloud GmbH.
+ * @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\DAV\Migration;
+
+use OCA\DAV\CalDAV\BirthdayService;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class FixBirthdayCalendarComponent implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	/**
+	 * FixBirthdayCalendarComponent constructor.
+	 *
+	 * @param IDBConnection $connection
+	 */
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function getName() {
+		return 'Fix component of birthday calendars';
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function run(IOutput $output) {
+		$query = $this->connection->getQueryBuilder();
+		$updated = $query->update('calendars')
+			->set('components', $query->createNamedParameter('VEVENT'))
+			->where($query->expr()->eq('uri', $query->createNamedParameter(BirthdayService::BIRTHDAY_CALENDAR_URI)))
+			->execute();
+
+		$output->info("$updated birthday calendars updated.");
+	}
+}