public void AddOrderItem(Product product, int quantity, decimal realPrice)
{
var item = this.Items.Where(n => n.ProductId == product.Id).FirstOrDefault();
if (item != null)
{
item.Quantity += quantity;
}
else
{
item = new SaleOrderItem()
{
ProductId = product.Id,
ProductName = product.Name,
SalePrice = product.SalePrice,
Quantity = quantity,
ProductCode = product.Code,
SaleOrderId = this.Id,
RealPrice = realPrice,
};
}
this.Items.Add(item);
// 计算订单总金额
this.OrderAmount += item.RealPrice * quantity;
}
public void AddOrderItem(Product product, int quantity, decimal realPrice)
{
if (quantity > 1000)
{
throw new AppException(string.Format("商品{0}单次购买数量不能过大", product.Name));
}
var item = this.Items.Where(n => n.ProductId == product.Id).FirstOrDefault();
if (item != null)
{
item.Quantity += quantity;
}
else
{
item = new SaleOrderItem()
{
ProductId = product.Id,
ProductName = product.Name,
SalePrice = product.SalePrice,
Quantity = quantity,
ProductCode = product.Code,
SaleOrderId = this.Id,
RealPrice = realPrice,
};
}
this.Items.Add(item);
// 计算订单总金额
this.OrderAmount += item.RealPrice * quantity;
}