public static function AddSubjectRecursive($id, $user_id)
{
//Ha ez a tárgy már teljesítve van, nem csinálunk semmit
$Check = self::model()->findByAttributes(array('user_id' => $user_id, 'subject_id' => $id));
if ($Check != null) {
return true;
}
//Elmentjük ezt a tantárgyat teljesítettként
$Subject = Subject::model()->findByPk($id);
$CompletedSubject = new CompletedSubjects();
$CompletedSubject->user_id = $user_id;
$CompletedSubject->subject_id = $Subject->subject_id;
$CompletedSubject->save();
//Majd a tantárgy összes előfeltételét
foreach ($Subject->dependencies as $CurrentDependency) {
if (!self::AddSubjectRecursive($CurrentDependency->dependent_subject_id, $user_id)) {
return false;
}
}
return true;
}
