New database cleanup jobs

src/Worker/ExpireConversations.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Worker;
+
+use Friendica\Database\DBA;
+use Friendica\DI;
+
+class ExpireConversations
+{
+	/**
+	 * Delete old conversation entries
+	 */
+	public static function execute()
+	{
+		$days = intval(DI::config()->get('system', 'dbclean_expire_conversation', 90));
+		if (empty($days)) {
+			return;
+		}
+
+		DBA::p("DELETE FROM `conversation` WHERE `received` < UTC_TIMESTAMP() - INTERVAL ? DAY", $days);
+
+	}
+}