public async Task<IHttpActionResult> ValidateAndSaveOrder(FullOrderModel order) { if (!this.ModelState.IsValid) { Logger.Current.LogWarning("Orders.ValidateAndSaveOrder: invalid model state"); return this.BadRequest(this.ModelState); } if (order.Items.Count() == 0) { Logger.Current.LogWarning("Orders.ValidateAndSaveOrder: no items"); return this.BadRequest("Empty order"); } OrderItemsGrouper itemsGrouper = new OrderItemsGrouper(); IList<OrderedItemModel> normalizedItems = itemsGrouper.NormalizeOrderedItems(order.Items.ToList()); if (normalizedItems == null) { Logger.Current.LogWarning("Orders.ValidateAndSaveOrder: grouping error"); return this.BadRequest("Different prices of the same item"); } OrderValidator orderValidator = new OrderValidator(); bool areOrderItemsValid = await orderValidator.ValidateOrderItems(normalizedItems); if (!areOrderItemsValid) { Logger.Current.LogWarning("Orders.ValidateAndSaveOrder: invalid quantities"); return this.BadRequest("Invalid quantities"); } bool freeShipping = order.Coupones != null && order.Coupones.Any(c => c.FreeShipping.Value); IModelTracker<DeliveryMethodModel> deliveryMethodModelTracker = new DeliveryMethodsTrackerFactory().GetDeliveryMethodsTracker(freeShipping); IModelTracker<PaymentMethodModel> paymentMethodModelTracker = new PaymentMethodsTrackerFactory().GetPaymentMethodsTracker(freeShipping); bool isLoyal = deliveryMethodModelTracker is FreeShippingDeliveryMethodsTracker; DeliveryMethodsProvider deliveryMethodsProvider = new DeliveryMethodsProvider(deliveryMethodModelTracker); PaymentMethodsProvider paymentMethodsProvider = new PaymentMethodsProvider(paymentMethodModelTracker); if (order.Coupones != null) { bool areCouponesValid = await orderValidator.ValidateCoupones(this.User.Identity.GetUserId(), order); if (!areCouponesValid) { Logger.Current.LogWarning("Orders.ValidateAndSaveOrder: invalid coupones"); return this.BadRequest("Invalid coupones"); } } bool areOrderPricesValid = await orderValidator.ValidatePrices(order, deliveryMethodsProvider, paymentMethodsProvider); if (!areOrderPricesValid) { Logger.Current.LogWarning("Orders.ValidateAndSaveOrder: invalid prive"); return this.BadRequest("Invalid price"); } StocksProvider stocksProvider = new StocksProvider(); bool stockQuantitiesUpdatedSuccessfully = await stocksProvider.UpdateStocks( normalizedItems.Select(o => new StockChangeModel(o.ArticleId.Value, o.SizeId.Value, o.ColorId, -o.Quantity.Value)), Logger.Current); if (!stockQuantitiesUpdatedSuccessfully) { Logger.Current.LogWarning("Orders.ValidateAndSaveOrder: invalid quantities (update stocks)"); return this.BadRequest("Invalid quantities"); } Task<DeliveryMethodModel> getDeliveryMethodTask = deliveryMethodsProvider.GetDeliveryMethodById(order.DeliveryMethodId.Value); Task<PaymentMethodModel> getPaymentMethodTask = paymentMethodsProvider.GetPaymentMethodById(order.PaymentMethodId.Value); DeliveryMethodModel deliveryMethod = await getDeliveryMethodTask; PaymentMethodModel paymentMethod = await getPaymentMethodTask; Order newOrder = new Order(); newOrder.UserId = new Guid(this.User.Identity.GetUserId()); newOrder.DeliveryMerchant = deliveryMethod.Name; newOrder.DeliveryPrice = deliveryMethod.DeliveryPrice; newOrder.PaymentMethodId = paymentMethod.Id; newOrder.HasCommission = paymentMethod.ApplyDeliveryTax; newOrder.CommissionPercents = deliveryMethod.CODTax; newOrder.ShippingPrice = order.Total.Shipping.Value; newOrder.ItemsPrice = order.Total.Order.Value; newOrder.TotalPrice = order.Total.Full.Value; newOrder.StatusId = 1; newOrder.DateCreated = DateTime.UtcNow; List<OrderDetail> orderDetails = new List<OrderDetail>(); foreach (OrderedItemModel orderedItem in normalizedItems) { OrderDetail orderDetail = new OrderDetail(); orderDetail.ItemId = orderedItem.ArticleId.Value; orderDetail.SizeId = orderedItem.SizeId.Value; orderDetail.ColorId = orderedItem.ColorId; orderDetail.Quantity = orderedItem.Quantity.Value; orderDetail.ItemPrice = orderedItem.Price.Value; orderDetails.Add(orderDetail); } OrdersProvider ordersProvider = new OrdersProvider(); int newOrderId = await ordersProvider.SaveOrder(newOrder, orderDetails); MailSendingFacade mailSender = new MailSendingFacade(); mailSender.SendNewOrderMail(newOrderId); return this.Ok(newOrderId); }
public async Task<bool> ValidatePrices(FullOrderModel order, DeliveryMethodsProvider deliveryMethodsProvider, PaymentMethodsProvider paymentMethodsProvider) { decimal priceAccuracy = 0.1m; Task<DeliveryMethodModel> getDeliveryMethodTask = deliveryMethodsProvider.GetDeliveryMethodById(order.DeliveryMethodId.Value); Task<PaymentMethodModel> getPaymentMethodTask = paymentMethodsProvider.GetPaymentMethodById(order.PaymentMethodId.Value); decimal itemsPrice = order.Items.Sum(i => i.Quantity.Value * i.Price.Value); if (Math.Abs(itemsPrice - order.Total.Order.Value) > priceAccuracy) { return false; } DeliveryMethodModel deliveryMethod = await getDeliveryMethodTask; PaymentMethodModel paymentMethod = await getPaymentMethodTask; decimal shippingPrice = deliveryMethod.DeliveryPrice; if (paymentMethod.ApplyDeliveryTax) { shippingPrice += ((decimal)deliveryMethod.CODTax * order.Total.Order.Value) / 100m; } if (Math.Abs(shippingPrice - order.Total.Shipping.Value) > priceAccuracy) { return false; } decimal orderNonDiscountedPrice = order.Items.Where(i => !i.HasDiscount.Value).Sum(i => i.Quantity.Value * i.Price.Value); decimal couponesDiscount = 0m; if (order.Coupones != null) { foreach (CouponeModel coupone in order.Coupones) { if (coupone.ValueType.Value == CouponeValueType.Percent) { couponesDiscount += (orderNonDiscountedPrice * coupone.Value.Value) / 100; } else if (coupone.ValueType.Value == CouponeValueType.Absolute) { couponesDiscount += coupone.Value.Value; } } } if (Math.Abs(couponesDiscount - order.Total.CouponesDiscount.Value) > priceAccuracy) { return false; } decimal totalPrice = shippingPrice + itemsPrice - couponesDiscount; if (Math.Abs(totalPrice - order.Total.Full.Value) > priceAccuracy) { return false; } return true; }