<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2016 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
 *
 */

use oat\oatbox\service\ServiceManager;
use oat\oatbox\action\Action;

/**
 * Run the cache purger
 *
 * @access public
 * @package generis
 * @see @license  GNU General Public (GPL) Version 2 http://www.opensource.org/licenses/gpl-2.0.php
 */
class common_cache_PurgeCache implements Action
{
    /**
     * (non-PHPdoc)
     * @see \oat\oatbox\action\Action::__invoke()
     */
    public function __invoke($params)
    {
        $success = ServiceManager::getServiceManager()->get('generis/cache')->purge();
        return $success
            ? new common_report_Report(common_report_Report::TYPE_SUCCESS, 'Purged the filecache')
            : new common_report_Report(common_report_Report::TYPE_ERROR, 'Cache could not be purged')
        ;
    }
}