/**
* Unassign the usersets from the track.
* @param array $elements An array of userset information to unassign from the track.
* @param bool $bulkaction Whether this is a bulk-action or not.`
* @return array An array to format as JSON and return to the Javascript.
*/
protected function _respond_to_js(array $elements, $bulkaction)
{
global $DB;
$trackid = required_param('id', PARAM_INT);
foreach ($elements as $classid => $label) {
if ($this->can_unassign($trackid, $classid) === true) {
$assignrec = $DB->get_record(trackassignment::TABLE, array('trackid' => $trackid, 'classid' => $classid));
$trackassignment = new trackassignment($assignrec);
$trackassignment->delete();
}
}
return array('result' => 'success', 'msg' => 'Success');
}
