Add repair step to clean old calendar/contact shares

fixes #21889

1 files changed, 103 insertions, 0 deletions

diff --git a/lib/private/Repair/RemoveOldShares.php b/lib/private/Repair/RemoveOldShares.php
new file mode 100644
index 00000000000..2c05d97b15c
--- /dev/null
+++ b/lib/private/Repair/RemoveOldShares.php
@@ -0,0 +1,103 @@
+<?php
+/**
+ * @author Roeland Jago Douma <rullzer@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 OC\Repair;
+
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+/**
+ * Class RemoveOldShares
+ *
+ * @package OC\Repair
+ */
+class RemoveOldShares implements IRepairStep {
+
+	/** @var IDBConnection */
+	protected $connection;
+
+	/**
+	 * RemoveOldCalendarShares constructor.
+	 *
+	 * @param IDBConnection $db
+	 */
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getName() {
+		return 'Remove old (< 9.0) calendar/contact shares';
+	}
+
+	/**
+	 * @param IOutput $output
+	 */
+	public function run(IOutput $output) {
+		$output->startProgress(4);
+
+		$this->removeCalendarShares($output);
+		$this->removeContactShares($output);
+
+		$output->finishProgress();
+	}
+
+	/**
+	 * @param IOutput $output
+	 */
+	private function removeCalendarShares(IOutput $output) {
+		$qb = $this->connection->getQueryBuilder();
+		$qb->delete('share')
+			->where($qb->expr()->eq('item_type', $qb->createNamedParameter('calendar')));
+		$qb->execute();
+
+		$output->advance();
+
+		$qb = $this->connection->getQueryBuilder();
+		$qb->delete('share')
+			->where($qb->expr()->eq('item_type', $qb->createNamedParameter('event')));
+		$qb->execute();
+
+		$output->advance();
+	}
+
+	/**
+	 * @param IOutput $output
+	 */
+	private function removeContactShares(IOutput $output) {
+		$qb = $this->connection->getQueryBuilder();
+		$qb->delete('share')
+			->where($qb->expr()->eq('item_type', $qb->createNamedParameter('contact')));
+		$qb->execute();
+
+		$output->advance();
+
+		$qb = $this->connection->getQueryBuilder();
+		$qb->delete('share')
+			->where($qb->expr()->eq('item_type', $qb->createNamedParameter('addressbook')));
+		$qb->execute();
+
+		$output->advance();
+	}
+}
+