public function getLessonsOfCourse($courseId)
{
$result = parent::getActivityOfCourse($courseId);
$lessons = array();
foreach ($result as $row) {
$lesson = self::returnedLesson($row);
if ($lesson) {
array_push($lessons, $lesson);
}
}
return $lessons;
}
public function getQuizsOfCourse($courseId)
{
$result = parent::getActivityOfCourse($courseId);
$quizs = array();
foreach ($result as $row) {
$quiz = self::returnedQuiz($row);
if ($quiz) {
array_push($quizs, $quiz);
}
}
return $quizs;
}
