/// <summary>
/// 调用促销引擎计算促销折扣
/// </summary>
/// <param name="soInfo"></param>
public virtual void CalculatePromotion(SOInfo soInfo)
{
//电子卡和实物卡Portal放在Portal计算
if (soInfo.BaseInfo.SOType == SOType.ElectronicCard ||
soInfo.BaseInfo.SOType == SOType.PhysicalCard)
{
soInfo.BaseInfo.CouponAmount = null;
return;
}
//修改订单时，如果没有改变优惠券，则不重新验证和计算优惠券信息
bool isModifyCoupons = true;
if (IsUpdate &&
OriginalSOInfo.SOPromotions != null &&
OriginalSOInfo.SOPromotions.Count > 0 &&
soInfo.SOPromotions != null &&
soInfo.SOPromotions.Count > 0)
{
var currentCoupon = soInfo.Items.FirstOrDefault(item =>
{
return(item.ProductType == SOProductType.Coupon);
});
int tmpCouponSysNo = currentCoupon != null ? currentCoupon.ProductSysNo.Value : 0;
if (tmpCouponSysNo > 0)
{
var orgCoupon = OriginalSOInfo.Items.FirstOrDefault(item =>
{
return(item.ProductType == SOProductType.Coupon);
});
int couponSysNo = orgCoupon != null ? orgCoupon.ProductSysNo.Value : 0;
if (couponSysNo == tmpCouponSysNo)
{
soInfo.SOPromotions = OriginalSOInfo.SOPromotions;
isModifyCoupons = false;
}
}
}
var newPromotionCalculates = ExternalDomainBroker.CalculateSOPromotion(soInfo, isModifyCoupons);
soInfo.SOPromotions.RemoveAll(p => p.PromotionType != SOPromotionType.VendorGift);
soInfo.SOPromotions.AddRange(newPromotionCalculates);
//SOItemInfo的PromotionAmount 需要先初始化为0
soInfo.BaseInfo.PromotionAmount = 0;
soInfo.Items.ForEach(p => p.PromotionAmount = 0);
if (soInfo.SOPromotions != null &&
soInfo.SOPromotions.Count > 0)
{
#region 如果有调价，将不使用的规则
bool isManualPrice = soInfo.Items.Exists(p => p.AdjustPrice != 0 && !string.IsNullOrEmpty(p.AdjustPriceReason));
//绑定
if (isManualPrice)
{
soInfo.SOPromotions = soInfo.SOPromotions.FindAll(p => p.PromotionType != SOPromotionType.Combo);
}
#endregion
soInfo.Items.ForEach(item =>
{
item.CouponAverageDiscount = (from p in soInfo.SOPromotions
from d in p.SOPromotionDetails
where d.MasterProductSysNo == item.ProductSysNo && p.PromotionType == SOPromotionType.Coupon
select d.DiscountAmount.Value).Sum() / item.Quantity.Value;
item.Price = (item.OriginalPrice - item.CouponAverageDiscount).Round(2);
item.PromotionAmount = (from p in soInfo.SOPromotions
from d in p.SOPromotionDetails
where d.MasterProductSysNo == item.ProductSysNo && p.PromotionType != SOPromotionType.Coupon
select d.DiscountAmount.Value).Sum();
item.PromotionAmount = -item.PromotionAmount.Round(2);
});
foreach (var couponItem in soInfo.Items.Where(p => p.ProductType == SOProductType.Coupon))
{
couponItem.Price = 0;
couponItem.CostPrice = 0;
}
//电子卡和实物卡
if (soInfo.BaseInfo.SOType == SOType.ElectronicCard ||
soInfo.BaseInfo.SOType == SOType.PhysicalCard)
{
soInfo.BaseInfo.PromotionAmount = soInfo.SOPromotions
.Sum(item => item.DiscountAmount);
soInfo.BaseInfo.CouponAmount = null;
return;
}
//统计销售规则,销售立减总折扣
soInfo.BaseInfo.PromotionAmount = soInfo.SOPromotions
.Where(item => item.PromotionType == SOPromotionType.Combo || item.PromotionType == SOPromotionType.SaleDiscountRule)
.Sum(item => item.DiscountAmount);
if (soInfo.BaseInfo.PromotionAmount == 0)
{
soInfo.BaseInfo.PromotionAmount = null;
}
//统计优惠券总折扣
soInfo.BaseInfo.CouponAmount = soInfo.SOPromotions
.Where(item => item.PromotionType == SOPromotionType.Coupon)
.Sum(item => item.DiscountAmount);
if (soInfo.BaseInfo.CouponAmount == 0)
{
soInfo.BaseInfo.CouponAmount = null;
}
}
//赠品信息计算
CalculateVendorGift(soInfo);
}