public function displayDisciplineClassesToEnroll($courseId, $disciplineId)
{
$disciplineData = $this->getDisciplineByCode($disciplineId);
$semester = new Semester();
$currentSemester = $semester->getCurrentSemester();
$offer = new Offer();
$classes = $offer->getApprovedOfferListDisciplineClasses($courseId, $currentSemester['id_semester'], $disciplineId);
$data = array('courseId' => $courseId, 'disciplineClasses' => $classes, 'disciplineData' => $disciplineData);
loadTemplateSafelyByGroup('estudante', 'discipline/discipline_classes_enroll', $data);
}