public HttpResponseMessage Post(VendasViewModel vendasViewModel)
        {
            if (ModelState.IsValid)
            {
                _vendasApp.Add(vendasViewModel);

                return Request.CreateResponse(HttpStatusCode.Created, vendasViewModel);
            }
            return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
        }
        public HttpResponseMessage Put(VendasViewModel vendasViewModel)
        {
            if (ModelState.IsValid)
            {
                _vendasApp.Update(vendasViewModel);

                return Request.CreateResponse(HttpStatusCode.Created, "Venda atualizada com sucesso!");
            }
            return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
        }