public function get_by_user($user_id)
{
$user = Model_User::find($user_id);
$success = false;
if (!$user) {
return $this->error(['Cannot find user.']);
}
$data = null;
if ($user->isRoleTeacher()) {
$data = Model_Subject::find('all', ['user_id' => $user->id]);
} else {
if ($user->isRoleStudent()) {
$data = Model_Subject::find('all', ['related' => ['student_course' => ['where' => ['user_id' => $user->id]]]]);
}
}
if ($data) {
$success = true;
}
return $this->response(['data' => $data, 'success' => $success]);
}
public function action_delete($id = null)
{
$where = ['id' => $id];
if (Model_User::is_current_user('teacher')) {
$where['user_id'] = Auth::get('id');
}
if ($subject = Model_Subject::find('first', ['where' => $where])) {
$subject->delete();
Session::set_flash('success', e('Deleted subject #' . $id));
} else {
Session::set_flash('error', e('Could not delete subject #' . $id));
}
Response::redirect('site/subject');
}
public function getSubjectDesc()
{
$subjects = Model_Subject::find('first', array('where' => array(array('id', $this->subject_id))));
return $subjects ? $subjects->subject_code : '';
}
