public static function user_enrolment_deleted(\core\event\user_enrolment_deleted $event)
{
global $DB;
$unenrolleduserid = $event->relateduserid;
$enroltype = $event->get_data()['other']['enrol'];
$courseid = $event->courseid;
if (!emarking_unenrol_student($unenrolleduserid, $courseid)) {
error_log("Error updating drafts from {$unenrolleduserid} in course {$courseid}");
}
}
/**
* Unenrol user from course,
* the last unenrolment removes all remaining roles.
*
* @param stdClass $instance
* @param int $userid
* @return void
*/
public function unenrol_user(stdClass $instance, $userid) {
global $CFG, $USER, $DB;
require_once("$CFG->dirroot/group/lib.php");
$name = $this->get_name();
$courseid = $instance->courseid;
if ($instance->enrol !== $name) {
throw new coding_exception('invalid enrol instance!');
}
$context = context_course::instance($instance->courseid, MUST_EXIST);
if (!$ue = $DB->get_record('user_enrolments', array('enrolid'=>$instance->id, 'userid'=>$userid))) {
// weird, user not enrolled
return;
}
// Remove all users groups linked to this enrolment instance.
if ($gms = $DB->get_records('groups_members', array('userid'=>$userid, 'component'=>'enrol_'.$name, 'itemid'=>$instance->id))) {
foreach ($gms as $gm) {
groups_remove_member($gm->groupid, $gm->userid);
}
}
role_unassign_all(array('userid'=>$userid, 'contextid'=>$context->id, 'component'=>'enrol_'.$name, 'itemid'=>$instance->id));
$DB->delete_records('user_enrolments', array('id'=>$ue->id));
// add extra info and trigger event
$ue->courseid = $courseid;
$ue->enrol = $name;
$sql = "SELECT 'x'
FROM {user_enrolments} ue
JOIN {enrol} e ON (e.id = ue.enrolid)
WHERE ue.userid = :userid AND e.courseid = :courseid";
if ($DB->record_exists_sql($sql, array('userid'=>$userid, 'courseid'=>$courseid))) {
$ue->lastenrol = false;
} else {
// the big cleanup IS necessary!
require_once("$CFG->libdir/gradelib.php");
// remove all remaining roles
role_unassign_all(array('userid'=>$userid, 'contextid'=>$context->id), true, false);
//clean up ALL invisible user data from course if this is the last enrolment - groups, grades, etc.
groups_delete_group_members($courseid, $userid);
grade_user_unenrol($courseid, $userid);
$DB->delete_records('user_lastaccess', array('userid'=>$userid, 'courseid'=>$courseid));
$ue->lastenrol = true; // means user not enrolled any more
}
// Trigger event.
$event = \core\event\user_enrolment_deleted::create(
array(
'courseid' => $courseid,
'context' => $context,
'relateduserid' => $ue->userid,
'objectid' => $ue->id,
'other' => array(
'userenrolment' => (array)$ue,
'enrol' => $name
)
)
);
$event->trigger();
// reset all enrol caches
$context->mark_dirty();
// reset current user enrolment caching
if ($userid == $USER->id) {
if (isset($USER->enrol['enrolled'][$courseid])) {
unset($USER->enrol['enrolled'][$courseid]);
}
if (isset($USER->enrol['tempguest'][$courseid])) {
unset($USER->enrol['tempguest'][$courseid]);
remove_temp_course_roles($context);
}
}
}
$confirm = optional_param('confirm', 0, PARAM_BOOL);
$instance = $DB->get_record('enrol', array('id' => $enrolid, 'enrol' => 'apply'), '*', MUST_EXIST);
$course = $DB->get_record('course', array('id' => $instance->courseid), '*', MUST_EXIST);
$context = context_course::instance($course->id, MUST_EXIST);
require_login();
if (!is_enrolled($context)) {
redirect(new moodle_url('/'));
}
require_login($course);
$plugin = enrol_get_plugin('apply');
// Security defined inside following function.
if (!$plugin->get_unenrolself_link($instance)) {
redirect(new moodle_url('/course/view.php', array('id' => $course->id)));
}
$PAGE->set_url('/enrol/apply/unenrolself.php', array('enrolid' => $instance->id));
$PAGE->set_title($plugin->get_instance_name($instance));
if ($confirm and confirm_sesskey()) {
$plugin->unenrol_user($instance, $USER->id);
// Deprecated fixed by Shiro <*****@*****.**>
//add_to_log($course->id, 'course', 'unenrol', '../enrol/users.php?id='.$course->id, $course->id); //TODO: there should be userid somewhere!
$context = context_course::instance($course->id);
\core\event\user_enrolment_deleted::delete(array('context' => $context))->trigger();
redirect(new moodle_url('/index.php'));
}
echo $OUTPUT->header();
$yesurl = new moodle_url($PAGE->url, array('confirm' => 1, 'sesskey' => sesskey()));
$nourl = new moodle_url('/course/view.php', array('id' => $course->id));
$message = get_string('unenrolselfconfirm', 'enrol_self', format_string($course->fullname));
//I leave the unenrolselfconfirm message because it fits perfectly
echo $OUTPUT->confirm($message, $yesurl, $nourl);
echo $OUTPUT->footer();
