public static function boot()
{
parent::boot();
ExamMember::deleting(function ($exam_member) {
$exam_member->answers()->delete();
});
}
public function deleteMember($user = null)
{
if ($user) {
$this->setUser($user);
}
ExamMember::where('user_id', $this->user->id)->whereHas('exam', function ($query) {
$query->where('course_id', $this->model->id);
})->delete();
QuizMember::where('user_id', $this->user->id)->whereHas('quiz', function ($quiz) {
$quiz->whereHas('chapter', function ($chapter) {
$chapter->where('course_id', $this->model->id);
});
})->delete();
$this->model->members()->detach($user);
return $this;
}