/// <summary>
/// 取得满足优惠券条件的商品总金额
/// </summary>
/// <param name="order"></param>
/// <param name="coupon"></param>
/// <returns></returns>
private decimal GetCanCalculateAmount(ref OrderInfo order, CouponInfo coupon)
{
List <SOItemInfo> soItemList = InternalHelper.ConvertToSOItemList(order, false, true);
List <int> productSysNoList = new List <int>();
soItemList.ForEach(f => productSysNoList.Add(f.ProductSysNo));
//couponProductList:满足条件的商品列表，使用OrderProductItem这个对象来记录，UnitSalePrice是这个商品的价格，UnitQuantity会作为这个商品的总数量
List <OrderProductItem> couponProductList = new List <OrderProductItem>();
List <SimpleItemEntity> productList = PromotionDA.GetSimpleItemListBySysNumbers(productSysNoList);
//主商品
foreach (OrderItemGroup itemGroup in order.OrderItemGroupList)
{
foreach (OrderProductItem item in itemGroup.ProductItemList)
{
SimpleItemEntity product = productList.Find(f => f.ProductSysNo == item.ProductSysNo);
if (CheckIsCouponProduct(product, coupon))
{
OrderProductItem couponProduct = couponProductList.Find(f => f.ProductSysNo == product.ProductSysNo);
if (couponProduct == null)
{
couponProduct = new OrderProductItem();
couponProduct.ProductSysNo = item.ProductSysNo;
couponProduct.UnitSalePrice = item.UnitSalePrice;
couponProduct.UnitQuantity = item.UnitQuantity * itemGroup.Quantity;
couponProductList.Add(couponProduct);
}
else
{
couponProduct.UnitQuantity += item.UnitQuantity * itemGroup.Quantity;
}
}
}
}
//加购商品
if (order.PlusPriceItemList != null)
{
foreach (OrderGiftItem item in order.PlusPriceItemList)
{
SimpleItemEntity product = productList.Find(f => f.ProductSysNo == item.ProductSysNo);
if (CheckIsCouponProduct(product, coupon))
{
OrderProductItem couponProduct = couponProductList.Find(f => f.ProductSysNo == product.ProductSysNo);
if (couponProduct == null)
{
couponProduct = new OrderProductItem();
couponProduct.ProductSysNo = item.ProductSysNo;
couponProduct.UnitSalePrice = item.UnitSalePrice;
couponProduct.UnitQuantity = item.UnitQuantity;
couponProductList.Add(couponProduct);
}
else
{
couponProduct.UnitQuantity += item.UnitQuantity;
}
}
}
}
decimal totalAmount = 0.00m;
foreach (OrderProductItem couponProduct in couponProductList)
{
totalAmount += couponProduct.UnitSalePrice * couponProduct.UnitQuantity;
}
order.CouponProductList = couponProductList;
return(totalAmount);
}