public HttpResponseMessage Post(HttpRequestMessage request, DishCategory category)
        {
            return(CreateHttpResponse(request, () =>
            {
                HttpResponseMessage response = null;

                if (!ModelState.IsValid)
                {
                    response = request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
                }
                else
                {
                    var result = dishService.Add(category);
                    dishService.SaveChanges();
                    SaveHistory("Add Dish Category has ID " + category.ID);
                    response = request.CreateResponse(HttpStatusCode.Created, result);
                }
                return response;
            }));
        }