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observer.php
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observer.php
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<?php
// This file is part of Moodle - http:https://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:https://www.gnu.org/licenses/>.
/**
* Observer for resetting course progress when users are unenrolled.
*
* @package mod_ilddigitalcert
* @copyright 2020 ILD TH Lübeck <[email protected]>
* @license http:https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_ilddigitalcert_observer {
/**
* Resets the course progress of a user in a course when they unenrol.
*
* @param \core\event\user_enrolment_deleted $event
* @return void
*/
public static function user_unenrolled(\core\event\user_enrolment_deleted $event) {
global $CFG, $DB;
// Check if course contains instances of mod_ilddigitalcert.
$courseid = $event->courseid;
$sql = "SELECT 0, COUNT(*) as 'count'
FROM {modules} m, {course_modules} cm
WHERE cm.module = m.id
AND cm.course = :course
AND m.name = 'ilddigitalcert'
AND cm.deletioninprogress = 0 ";
$params = array('course' => $courseid);
$result = $DB->get_records_sql($sql, $params);
// Reset only if the course contains an active ilddigitalcert activity.
if ($result[0]->count > 0) {
require_once($CFG->dirroot.'/mod/ilddigitalcert/locallib.php');
// Reset course progress for the unenroled user.
reset_user($courseid, $event->relateduserid);
}
return;
}
}