public async Task CreateAsync(PolygonSaveModel polygonModel)
        {
            var polygon = new Polygon();

            polygonModel.ApplyToEntity(polygon, positionService);

            await dataStore.SaveAsync(polygon);
        }
        public void Create(PolygonSaveModel polygonModel)
        {
            var polygon = new Polygon();

            polygonModel.ApplyToEntity(polygon, positionService);

            dataStore.Save(polygon);
        }
        public async Task <HttpResponseMessage> Put(long id, PolygonSaveModel model)
        {
            if (model != null)
            {
                await polygonService.UpdateAsync(id, model);

                return(Success());
            }

            return(Failure("Невозможно добавить пустой элемент"));
        }
        public async Task UpdateAsync(long id, PolygonSaveModel polygonModel)
        {
            var polygon = dataStore.Get <Polygon>(id);

            if (polygon == null)
            {
                throw new EntityNotFoundException($"Запись типа {typeof(Polygon).Name} c идентификатором {id} не существует");
            }

            polygonModel.ApplyToEntity(polygon, positionService);

            await dataStore.SaveChangesAsync();
        }
        /// <summary>
        /// Частичное представление - открытие окна создания
        /// </summary>
        public ActionResult Create()
        {
            var model = new PolygonSaveModel();

            return(PartialView("Partial/Create", model));
        }