public function getPermission($action)
    {
        $action = strtoupper($action);
        if ($action == 'LIST') {
            return 'VIEW';
        } elseif ($action == 'SHOW') {
            return 'VIEW';
        } elseif ($action == 'NEW') {
            return 'CREATE';
        } elseif ($action == 'EDIT') {
            return 'EDIT';
        } elseif ($action == 'REMOVE') {
            return 'DELETE';
        }
        return $action;
    }