public void Process(ItemAddedToCart @event)
{
var cart = _carts.GetById(@event.Cart);
cart.Add(@event.Product, @event.Quantity, new Price
{
Net = @event.NetItemPrice,
Gross = @event.GrossItemPrice
});
_carts.Save(cart);
}
public bool Add(AddProduct addProduct, TemporaryReservation temporaryReservation)
{
var cart = _carts.Get(addProduct.CartId);
if (cart.Add(addProduct.ProductId, addProduct.Quantity, temporaryReservation))
{
_carts.Save(cart);
return(true);
}
return(false);
}
public void Process_WhenCartExists_ShouldAddProductToCart()
{
// Arrange
var productId = Guid.NewGuid();
var product = new ItemAddedToCart
{
GrossItemPrice = 129,
NetItemPrice = 99,
Product = productId,
Quantity = 1
};
// Act
_cartEventProcessors.Process(product);
// Assert
Assert.Single(_testCart.Lines);
Assert.Equal(1, _testCart.Lines.Single().Quantity);
Assert.Equal(129, _testCart.Lines.Single().Price.Gross);
Assert.Equal(99, _testCart.Lines.Single().Price.Net);
Assert.Equal(productId, _testCart.Lines.Single().Product);
A.CallTo(() => _fakeCarts.Save(A <Cart> ._)).MustHaveHappened(Repeated.Exactly.Once);
}
public HttpResponseMessage AddProduct(AddProduct addProduct)
{
var productStock = _productStocks.Get(addProduct.ProductId);
return(productStock
.MakeATemporaryReservation_(addProduct.Quantity)
.ContinueWith(temporaryReservation =>
{
_productStocks.Save(productStock);
var cart = _carts.Get(addProduct.CartId);
return cart.Add_(addProduct.ProductId, addProduct.Quantity, temporaryReservation);
})
.ContinueWith(cart =>
{
_carts.Save(cart);
return Either <HttpResponseMessage, Error> .Left(new HttpResponseMessage(HttpStatusCode.OK));
})
.OnError(error => new HttpResponseMessage(HttpStatusCode.BadRequest))
.Result());
}
public HttpResponseMessage AddProduct(AddProduct addProduct)
{
var productStock = _productStocks.Get(addProduct.ProductId);
try
{
var temporaryReservation = productStock.MakeATemporaryReservation(addProduct.Quantity);
_productStocks.Save(productStock);
var cart = _carts.Get(addProduct.CartId);
cart.Add(addProduct.ProductId, addProduct.Quantity, temporaryReservation);
_carts.Save(cart);
}
catch (BusinessException e)
{
var httpResponseMessage = new HttpResponseMessage(HttpStatusCode.Forbidden)
{
Content = new StringContent(e.Message)
};
return(httpResponseMessage);
}
return(new HttpResponseMessage(HttpStatusCode.Created));
}
public HttpResponseMessage AddProduct(AddProduct addProduct)
{
var productStock = _productStocks.Get(addProduct.ProductId);
var temporaryReservation = productStock.MakeATemporaryReservation(addProduct.Quantity);
if (temporaryReservation != null)
{
_productStocks.Save(productStock);
var cart = _carts.Get(addProduct.CartId);
if (cart.Add(addProduct.ProductId, addProduct.Quantity, temporaryReservation))
{
_carts.Save(cart);
}
else
{
return(Error("Sorry, cannot add to cart"));
}
}
else
{
return(Error("Sorry, not enough stock"));
}
return(new HttpResponseMessage(HttpStatusCode.Created));
}