public void Put(CategoryView view)
 {
     var model = view.getModel(repo);
     repo.update(model);
 }
        public HttpResponseMessage Post(CategoryView view)
        {
            var model = view.getModel(repo);
            model = repo.createCategory(model);
            view = new CategoryView(model);

            var response = Request.CreateResponse<CategoryView>(HttpStatusCode.Created, view);
            string uri = Url.Route(null, new { id = view.id });
            response.Headers.Location = new Uri(Request.RequestUri, uri);
            return response;
        }