public async Task <IHttpActionResult> GetBuildingsById([FromUri] int id)
        {
            {
                //instantiate service
                BuildingService service = CreateBuildingService();

                //return the values as an ienumerable
                IEnumerable <BuildingListItem> building = await service.GetBuildingById(id);

                return(Ok(building)); //200
            }
        }