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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Event observers supported by this module
 *
 * @package    mod_feedback
 * @copyright  2016 Marina Glancy
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * Event observers supported by this module
 *
 * @package    mod_feedback
 * @copyright  2016 Marina Glancy
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class mod_feedback_observer {

/**
     * Observer for the even course_content_deleted - delete all course templates.
     *
     * @param \core\event\course_content_deleted $event
     */
    public static function course_content_deleted(\core\event\course_content_deleted $event) {
        global $DB;
        // Delete all templates of given course.
        $DB->delete_records('feedback_template', array('course' => $event->objectid));
    }
}