[ticket/11373] Prune old read notifications with cron

PHPBB3-11373

phpBB/phpbb/db/migration/data/310/notifications_cron.php

@@ -0,0 +1,25 @@
+<?php
+/**
+*
+* @package migration
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+class phpbb_db_migration_data_310_notifications_cron extends phpbb_db_migration
+{
+	static public function depends_on()
+	{
+		return array('phpbb_db_migration_data_310_notifications');
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('config.add', array('read_notification_expire_days', 30)),
+			array('config.add', array('read_notification_last_gc', 0)), // last run
+			array('config.add', array('read_notification_gc', (60 * 60 * 24))), // seconds between run; 1 day
+		);
+	}
+}