public HttpResponseMessage GetListOfItemsByMagId(Int32 id) { var list = listService.GetListOfItemsByMagazineId(id); if (list.Count == 0) { return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, "Lo sentimos, no hay listas para mostrar.")); } return(Request.CreateResponse(HttpStatusCode.OK, TheModelFactory.CreateList(list))); }