public IHttpActionResult Get(Guid id)
        {
            if (!ModelState.IsValid)
            {
                return(this.Error().InvalidParameters());
            }
            var restriction = _restrictionRepository.GetDesc(id);

            if (restriction != null)
            {
                return(Ok(_mapper.Map <RestrictionWithDescModel>(restriction)));
            }
            return(NotFound());
        }