public RequestHandler(IUnitOfWorkAsync uow, IQueryRepositoryFactory qrf,
ICatalogGateway catalogGateway, IShippingGateway shippingGateway,
IPromoGateway promoGateway) : base(uow, qrf)
{
_catalogGateway = catalogGateway;
_shippingGateway = shippingGateway;
_promoGateway = promoGateway;
}
public RequestHandler(ICatalogGateway cgw, IQueryRepositoryFactory qrf,
IShippingGateway shippingGateway, IPromoGateway promoGateway)
: base(qrf)
{
_catalogGateway = cgw;
_shippingGateway = shippingGateway;
_promoGateway = promoGateway;
}
public CartServiceImpl(IServiceProvider resolver)
{
_queryFactory = resolver.GetService <IQueryRepositoryFactory>();
_commandFactory = resolver.GetService <IUnitOfWorkAsync>();
_catalogGateway = resolver.GetService <ICatalogGateway>();
_shippingGateway = resolver.GetService <IShippingGateway>();
_promoGateway = resolver.GetService <IPromoGateway>();
}
public async Task <Cart> CalculateCartAsync(
TaxType taxType, ICatalogGateway catalogGateway,
IPromoGateway promoGateway, IShippingGateway shippingGateway)
{
if (CartItems != null && CartItems?.Count() > 0)
{
CartItemTotal = 0.0D;
foreach (var cartItem in CartItems)
{
var product = await catalogGateway.GetProductByIdAsync(cartItem.Product.ProductId);
if (product == null)
{
throw new Exception("Could not find product.");
}
cartItem
.FillUpProductInfo(product.Name, product.Price, product.Desc)
.ChangePrice(product.Price);
CartItemPromoSavings = CartItemPromoSavings + cartItem.PromoSavings * cartItem.Quantity;
CartItemTotal = CartItemTotal + cartItem.Product.Price * cartItem.Quantity;
}
shippingGateway.CalculateShipping(this);
}
promoGateway.ApplyShippingPromotions(this);
switch (taxType)
{
case TaxType.NoTax:
CartTotal = CartItemTotal + ShippingTotal;
break;
case TaxType.TenPercentage:
var cartTotal = CartItemTotal + ShippingTotal;
CartTotal = cartTotal * 10 / 100 + cartTotal;
break;
default:
throw new ArgumentOutOfRangeException(nameof(taxType), taxType, null);
}
return(this);
}
protected PriceCalculatorContext(IPromoGateway promoGateway, IShippingGateway shippingGateway)
{
_promoGateway = promoGateway;
_shippingGateway = shippingGateway;
}
public NoTaxCaculator(IPromoGateway promoGateway, IShippingGateway shippingGateway)
: base(promoGateway, shippingGateway)
{
}
public TenPercentTaxCalculator(IPromoGateway promoGateway, IShippingGateway shippingGateway)
: base(promoGateway, shippingGateway)
{
}
