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;
}
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<IHttpActionResult> GetPaymentMethods(bool freeShipping)
{
IModelTracker<PaymentMethodModel> modelTracker = new PaymentMethodsTrackerFactory().GetPaymentMethodsTracker(freeShipping);
PaymentMethodsProvider paymentMethodsProvider = new PaymentMethodsProvider(modelTracker);
IEnumerable<PaymentMethodModel> allPaymentMethods = await paymentMethodsProvider.GetAllPaymentMethods();
return this.Ok(allPaymentMethods);
}