/**
* Perform all necessary tasks to remove a student enrolment from the system.
*/
function delete()
{
/// Remove any grade records for this enrolment.
$result = student_grade::delete_for_user_and_class($this->userid, $this->classid);
/// Unenrol them from the Moodle class.
if ($moodlecourseid = moodle_get_course($this->classid)) {
if (($mcourse = $this->_db->get_record('course', array('id' => $moodlecourseid))) && ($muser = $this->users->get_moodleuser())) {
$sql = 'SELECT enrol.*
FROM {user_enrolments} enrolments
JOIN {enrol} enrol ON enrol.id = enrolments.enrolid
WHERE enrol.courseid = ?
AND enrolments.userid = ?';
$enrolments = $this->_db->get_recordset_sql($sql, array($moodlecourseid, $muser->id));
foreach ($enrolments as $enrolment) {
$plugin = enrol_get_plugin($enrolment->enrol);
$plugin->unenrol_user($enrolment, $muser->id);
}
unset($enrolments);
}
}
parent::delete();
if ($this->completestatusid == STUSTATUS_NOTCOMPLETE) {
$pmclass = $this->pmclass;
if (empty($pmclass->maxstudents) || $pmclass->maxstudents > static::count_enroled($pmclass->id)) {
$wlst = waitlist::get_next($this->classid);
if (!empty($wlst)) {
$wlst->enrol();
}
}
}
return $result;
}
/**
* Perform all necessary tasks to remove a student enrolment from the system.
*/
function delete()
{
/// Remove any grade records for this enrolment.
$result = student_grade::delete_for_user_and_class($this->userid, $this->classid);
/// Unenrol them from the Moodle class.
if (!empty($this->classid) && !empty($this->userid) && ($moodlecourseid = get_field('crlm_class_moodle', 'moodlecourseid', 'classid', $this->classid)) && ($muserid = cm_get_moodleuserid($this->userid))) {
$context = get_context_instance(CONTEXT_COURSE, $moodlecourseid);
if ($context && $context->id) {
role_unassign(0, $muserid, 0, $context->id);
}
}
$result = $result && $this->data_delete_record();
if ($this->completestatusid == STUSTATUS_NOTCOMPLETE) {
$cmclass = new cmclass($this->classid);
if (empty($cmclass->maxstudents) || $cmclass->maxstudents > student::count_enroled($cmclass->id)) {
$wlst = waitlist::get_next($this->classid);
if (!empty($wlst)) {
$wlst->enrol();
}
}
}
return $result;
}
