/**
* Enrols a user in a track.
*
* @param int $userid The user id
* @param int $trackid The track id
*/
static function enrol($userid, $trackid)
{
global $CURMAN;
// make sure we don't double-enrol
if ($CURMAN->db->record_exists(USRTRKTABLE, 'userid', $userid, 'trackid', $trackid)) {
return false;
}
$record = new usertrack();
$record->userid = $userid;
$record->trackid = $trackid;
$record->data_insert_record();
$user = new user($userid);
$track = new track($trackid);
// add the student to the associated curriculum, if they're not already
// enrolled
if (!$CURMAN->db->record_exists(CURASSTABLE, 'userid', $userid, 'curriculumid', $track->curid)) {
$curstu = new curriculumstudent();
$curstu->userid = $userid;
$curstu->curriculumid = $track->curid;
$curstu->completed = 0;
$curstu->credits = 0;
$curstu->locked = 0;
$curstu->add();
}
events_trigger('track_assigned', $record);
/**
* Get autoenrollable classes in the track. Classes are autoenrollable
* if:
* - the autoenrol flag is set
* - it is the only class in that course slot for the track
*/
$sql = 'SELECT classid, courseid ' . 'FROM ' . $CURMAN->db->prefix_table(TRACKCLASSTABLE) . ' ' . 'WHERE trackid = \'' . $trackid . '\' ' . 'GROUP BY courseid ' . 'HAVING COUNT(*) = 1 AND MAX(autoenrol) = 1';
$classes = $CURMAN->db->get_records_sql($sql);
if (!empty($classes)) {
foreach ($classes as $class) {
// enrol user in each autoenrolable class
$stu_record = new object();
$stu_record->userid = $userid;
$stu_record->classid = $class->classid;
$stu_record->enrolmenttime = time();
$enrolment = new student($stu_record);
// check prerequisites and enrolment limits
$enrolment->add(array('prereq' => 1, 'waitlist' => 1), true);
}
}
return true;
}
protected function process_assignment($data)
{
$context = $this->get_context();
$curid = $data->id;
foreach ($data->_selection as $userid) {
$stucur = new curriculumstudent(array('userid' => $userid, 'curriculumid' => $curid));
$stucur->add();
}
$tmppage = $this->get_basepage();
$tmppage->params['_assign'] = 'assign';
redirect($tmppage->get_url(), get_string('num_users_assigned', 'block_curr_admin', count($data->_selection)));
}
