public CartShipmentValidator(ShoppingCart cart, ICartService cartService)
{
RuleSet("strict", () =>
{
RuleFor(x => x).CustomAsync(async(shipment, context, cancellationToken) =>
{
shipment.ValidationErrors.Clear();
var availShippingmethods = await cartService.GetAvailableShippingMethodsAsync(cart);
var shipmentShippingMethod = availShippingmethods.FirstOrDefault(sm => shipment.HasSameMethod(sm));
if (shipmentShippingMethod == null)
{
var unavailableError = new UnavailableError();
shipment.ValidationErrors.Add(unavailableError);
context.AddFailure(new ValidationFailure(nameof(shipment.ShipmentMethodCode), "The shipment method is no longer available"));
}
else if (shipmentShippingMethod.Price != shipment.Price)
{
var priceChangedError = new PriceError(shipment.Price, shipment.PriceWithTax, shipmentShippingMethod.Price, shipmentShippingMethod.PriceWithTax);
shipment.ValidationErrors.Add(priceChangedError);
context.AddFailure(new ValidationFailure(nameof(shipment.Price), "The shipment method price is changed"));
}
});
});
}
public CartLineItemValidator(ShoppingCart cart)
{
RuleSet("strict", () =>
{
RuleFor(x => x).Custom((lineItem, context) =>
{
lineItem.ValidationErrors.Clear();
if (lineItem.Product == null || !lineItem.Product.IsActive || !lineItem.Product.IsBuyable)
{
var unavailableError = new UnavailableError();
lineItem.ValidationErrors.Add(unavailableError);
context.AddFailure(new ValidationFailure(nameof(lineItem.Product), "The product is not longer available for purchase"));
}
else if (lineItem.Product.Price == null || lineItem.Product.Price.GetTierPrice(lineItem.Quantity).Price == 0)
{
var unavailableError = new UnavailableError();
lineItem.ValidationErrors.Add(unavailableError);
}
else
{
var isProductAvailable = new ProductIsAvailableSpecification(lineItem.Product).IsSatisfiedBy(lineItem.Quantity);
if (!isProductAvailable)
{
var availableQuantity = lineItem.Product.AvailableQuantity;
var qtyError = new QuantityError(availableQuantity);
lineItem.ValidationErrors.Add(qtyError);
context.AddFailure(new ValidationFailure(nameof(lineItem.Product.AvailableQuantity), "The product available qty is changed"));
}
var tierPrice = lineItem.Product.Price.GetTierPrice(lineItem.Quantity);
if (tierPrice.Price != lineItem.SalePrice)
{
var priceError = new PriceError(lineItem.SalePrice, lineItem.SalePriceWithTax, tierPrice.Price, tierPrice.PriceWithTax);
lineItem.ValidationErrors.Add(priceError);
context.AddFailure(new ValidationFailure(nameof(lineItem.SalePrice), "The product price is changed"));
}
}
});
});
}
