PermissionsController::admin_ajax_update_sort PHP Method

    public function admin_ajax_update_sort($userGroupId)
    {
        if ($this->request->data) {
            $conditions = $this->_createAdminIndexConditions($userGroupId);
            if ($this->Permission->changeSort($this->request->data['Sort']['id'], $this->request->data['Sort']['offset'], $conditions)) {
                echo true;
            } else {
                $this->ajaxError(500, $this->Permission->validationErrors);
            }
        } else {
            $this->ajaxError(500, '無効な処理です。');
        }
        exit;
    }