public function totalUser($filter = false, $level = false)
{
if ($this->id_edition != 0) {
require_once _lms_ . '/lib/lib.edition.php';
$edition_man = new EditionManager();
return $edition_man->getTotalUserSubscribed($this->id_course, $this->id_edition, $filter);
} elseif ($this->id_date != 0) {
require_once _lms_ . '/lib/lib.date.php';
$date_man = new DateManager();
return $date_man->getTotalUserSubscribed($this->id_course, $this->id_date, $filter);
} else {
require_once _lms_ . '/lib/lib.subscribe.php';
$subscribe_man = new CourseSubscribe_Manager();
return $subscribe_man->getTotalUserSubscribed($this->id_course, $filter, $level);
}
}