private Order(//多参数私有构造函数，供本领域内部使用
List <OrderProductData> orderProductsData,
List <Product> allProducts,
string currency,
List <ConversionRate> conversionRates
)
{
this._orderDate = DateTime.UtcNow;
this.Id = new OrderId(Guid.NewGuid());
this._orderProducts = new List <OrderProduct>();
foreach (var orderProductData in orderProductsData)
{
var product = allProducts.Single(t => t.Id == orderProductData.ProductId);
//把订单产品的事交给OrderProduct
var orderProduct = OrderProduct.CreateForProduct(product, orderProductData.Quantity, currency, conversionRates);
_orderProducts.Add(orderProduct);
}
this.CalculateOrderValue();
this._status = OrderStatus.Placed;
}
public OrderChangedEvent(OrderId orderId)
{
this.OrderId = orderId;
}
public OrderRemovedEvent(OrderId orderId)
{
this.OrderId = orderId;
}
public OrderPlacedEvent(OrderId orderId)
{
OrderId = orderId;
}