/// <summary> /// 赠品方面的赠送处理 /// </summary> /// <param name="promotionInfo"></param> /// <param name="soInfo"></param> /// <param name="canPromotionSOItemList"></param> /// <param name="rule"></param> protected void CalcGiftItemRule(SOPromotionInfo promotionInfo, SOInfo soInfo, List <SOItemInfo> canPromotionSOItemList, PSGiftItemRule rule) { //如果是只有1个主商品进行赠品,那么赠品可以全部绑定在这个这主商品下 //如果是满足多个主商品才进行赠品,那么赠品无法绑定到各主商品下 if (promotionInfo.SOPromotionDetails.Count == 1) { SOPromotionDetailInfo detail = promotionInfo.SOPromotionDetails[0]; int masterProductSysNo = rule.MasterProductSysNoList[0].Value; // (detail.MasterProductSysNo.Value == masterProductSysNo) //{ //detail.GiftList = new List<SOPromotionInfo.GiftInfo>(); //rule.GiftItemSysNoList.ForEach(f => detail.GiftList.Add( // new SOPromotionInfo.GiftInfo() // { // ProductSysNo = f.GiftItemSysNo.Value, // Quantity = f.GiftItemCount.HasValue ? f.GiftItemCount.Value : 1 // })); //} } rule.GiftItemSysNoList.ForEach(f => promotionInfo.GiftList.Add( new SOPromotionInfo.GiftInfo() { ProductSysNo = f.GiftItemSysNo.Value, Quantity = f.GiftItemCount.HasValue ? f.GiftItemCount.Value : 1 })); }
private SOPromotionDetailInfo GeneratePromoDetailInfo(int productSysNo, int qty, decimal discountAmount) { SOPromotionDetailInfo promotionDetail = new SOPromotionDetailInfo(); promotionDetail.DiscountAmount = Math.Abs(discountAmount); promotionDetail.GainPoint = 0; promotionDetail.MasterProductQuantity = qty; promotionDetail.MasterProductSysNo = productSysNo; return(promotionDetail); }
/// <summary> /// 优惠券方面的赠送处理 /// </summary> /// <param name="promotionInfo"></param> /// <param name="soInfo"></param> /// <param name="canPromotionSOItemList"></param> /// <param name="rule"></param> protected void CalcCouponCodeRule(SOPromotionInfo promotionInfo, SOInfo soInfo, List <SOItemInfo> canPromotionSOItemList, PSCouponsRebateRule rule) { //如果是只有1个主商品进行赠送优惠券,那么赠送的优惠券可以全部绑定在这个这主商品下 //如果是满足多个主商品才进行赠送优惠券,那么赠送的优惠券无法绑定到各主商品下 if (promotionInfo.SOPromotionDetails.Count == 1) { if (!string.IsNullOrEmpty(rule.CouponCode)) { SOPromotionDetailInfo detail = promotionInfo.SOPromotionDetails[0]; //detail.CouponCodeList.Add(rule.CouponCode); } } if (!string.IsNullOrEmpty(rule.CouponCode)) { promotionInfo.CouponCodeList.Add(rule.CouponCode); } }
/// <summary> /// 积分方面的赠送处理 /// </summary> /// <param name="promotionInfo"></param> /// <param name="soInfo"></param> /// <param name="canPromotionSOItemList"></param> /// <param name="rule"></param> protected void CalcPointRule(SOPromotionInfo promotionInfo, SOInfo soInfo, List <SOItemInfo> canPromotionSOItemList, PSPointScoreRule rule) { if (!rule.PointScore.HasValue) { return; } int canSendPoint = rule.PointScore.Value; //开始分摊积分 decimal sumAmount = 0.00m; //能够参与活动的商品总金额 foreach (SOItemInfo item in canPromotionSOItemList) { sumAmount += Math.Round(item.OriginalPrice.Value * ((decimal)item.Quantity.Value), 2); } int allocatedPoint = 0; for (int i = 0; i < promotionInfo.SOPromotionDetails.Count; i++) { SOPromotionDetailInfo detail = promotionInfo.SOPromotionDetails[i]; if (i < promotionInfo.SOPromotionDetails.Count - 1) { SOItemInfo item = soInfo.Items.Find(f => f.ProductSysNo == detail.MasterProductSysNo); int currentPoint = Convert.ToInt32(canSendPoint * (item.OriginalPrice.Value * item.Quantity.Value / sumAmount)); detail.GainPoint = currentPoint; allocatedPoint += currentPoint; } else { detail.GainPoint = canSendPoint - allocatedPoint; } } }
/// <summary> /// 根据当前Combo,得到该Combo在订单中的SOPromotionInfo /// </summary> /// <param name="curCombo"></param> /// <param name="comboApply"></param> /// <param name="soItemList"></param> /// <param name="priority"></param> /// <param name="soSysNo"></param> /// <returns></returns> protected virtual SOPromotionInfo GetPromotionInfoForCurrentCombo(ComboInfo curCombo, ComboApplyInstance comboApply, ref List <SOItemInfo> soItemList, int priority, int?soSysNo) { SOPromotionInfo promotionInfo = null; int maxCount = comboApply.Qty; if (maxCount > 0) { //说明当前订单剩余商品还可以满足这个Combo promotionInfo = new SOPromotionInfo(); promotionInfo.PromotionType = SOPromotionType.Combo; promotionInfo.Combo = curCombo; promotionInfo.PromotionSysNo = curCombo.SysNo.Value; promotionInfo.PromotionName = curCombo.Name != null ? curCombo.Name.Content : null; promotionInfo.DiscountAmount = -Math.Abs(comboApply.TotalDiscount); promotionInfo.GainPoint = 0; promotionInfo.Priority = priority; promotionInfo.SOSysNo = soSysNo; promotionInfo.Time = maxCount; if (promotionInfo.Time > 0) { promotionInfo.Discount = promotionInfo.DiscountAmount / promotionInfo.Time; } StringBuilder promotionNote = new StringBuilder(); promotionInfo.SOPromotionDetails = new List <SOPromotionDetailInfo>(); foreach (ComboItem comboItem in curCombo.Items) { SOPromotionDetailInfo promotionDetail = new SOPromotionDetailInfo(); promotionDetail.DiscountAmount = Math.Abs(Math.Round(comboItem.Discount.Value * comboItem.Quantity.Value * maxCount, 2)); promotionDetail.GainPoint = 0; promotionDetail.MasterProductQuantity = comboItem.Quantity.Value * maxCount; promotionDetail.MasterProductSysNo = comboItem.ProductSysNo.Value; //promotionDetail.MasterProductType = SOProductType.Product; promotionInfo.SOPromotionDetails.Add(promotionDetail); promotionNote.AppendFormat("{0},{1},-{2};", promotionDetail.MasterProductQuantity, promotionDetail.MasterProductSysNo, promotionDetail.DiscountAmount); //最重要的一点:要从soItemList中减掉这些已经做了折扣的商品及数量 //如果数量没减完,则在soItemList中保留该Item,但是数量要减掉;如果数量减完,则从soItemList中Remove掉改Item List <SOItemInfo> needRemoveSOItemList = new List <SOItemInfo>(); foreach (SOItemInfo soItem in soItemList) { if (soItem.ProductSysNo == comboItem.ProductSysNo) { soItem.OriginalPrice = soItem.OriginalPrice + comboItem.Discount; //有折扣总价减去折扣 Bug:89610 if (soItem.Quantity > comboItem.Quantity.Value * maxCount) { soItem.Quantity = soItem.Quantity - comboItem.Quantity.Value * maxCount; } else { needRemoveSOItemList.Add(soItem); } } } foreach (SOItemInfo soItem in needRemoveSOItemList) { soItemList.Remove(soItem); } } promotionInfo.Note = promotionNote.ToString(); } return(promotionInfo); }
/// <summary> /// 金额方面的折扣处理:目前价格方面的折扣与总金额方面的折扣不可并存 /// </summary> /// <param name="promotionInfo"></param> /// <param name="soInfo"></param> /// <param name="canPromotionSOItemList"></param> protected void CalcAmountRule(SOPromotionInfo promotionInfo, SOInfo soInfo, List <SOItemInfo> canPromotionSOItemList, CouponsInfo couponsInfo) { PSOrderAmountDiscountRule ruleAmount = couponsInfo.OrderAmountDiscountRule; List <PSPriceDiscountRule> rulePriceList = couponsInfo.PriceDiscountRule; decimal sumAllItemPriceAmount = 0.00m; //能够参与活动的商品总金额,所有商品原价乘以数量的总金额 decimal sumAllOrderItemAmount = 0.00m; //所有订单商品的商品总金额,用于计算优惠券平摊金额 decimal saleRulePromotionAmount = 0.00m; //除去优惠券后,其它优惠金额总额 decimal soItemAmount = soInfo.BaseInfo.SOAmount.Value; //订单商品实际总金额,已经扣去了Combo等折扣 decimal?orderMaxDiscount = null; //本活动中设置的每单折扣上限 decimal calcDiscountAmount = 0.00m; //计算出来的折扣 foreach (SOItemInfo item in canPromotionSOItemList) { sumAllItemPriceAmount += Math.Round(item.OriginalPrice.Value * ((decimal)item.Quantity.Value), 2); } foreach (var item in soInfo.Items) { if (item.ProductType.Value == SOProductType.Product || item.ProductType.Value == SOProductType.ExtendWarranty) { sumAllOrderItemAmount += item.OriginalPrice.Value * ((decimal)item.Quantity.Value); saleRulePromotionAmount += item.PromotionAmount ?? 0.00M; } } #region 计算总金额方面的折扣 if (ruleAmount != null && ruleAmount.OrderAmountDiscountRank != null && ruleAmount.OrderAmountDiscountRank.Count > 0) { calcDiscountAmount = 0.00m; orderMaxDiscount = ruleAmount.OrderMaxDiscount; if (ruleAmount.OrderAmountDiscountRank != null && ruleAmount.OrderAmountDiscountRank.Count > 0) { //首先确认取折扣信息时,根据限定金额Amount倒序 var ruleAmountDiscountRankNew = from p in ruleAmount.OrderAmountDiscountRank orderby p.OrderMinAmount descending select p; foreach (OrderAmountDiscountRank rank in ruleAmountDiscountRankNew) { decimal minAmount = rank.OrderMinAmount.HasValue ? rank.OrderMinAmount.Value : 0.00m; if (couponsInfo.ProductRangeType == CouponsProductRangeType.AllProducts && sumAllItemPriceAmount < minAmount) { //普通订单商品(SOItemInfo.ProductType==SOProductType.Product的商品)的总金额与限定金额值比较,跳过不满足条件价格条件。 continue; } if (soItemAmount >= minAmount) { if (rank.DiscountType.Value == PSDiscountTypeForOrderAmount.OrderAmountPercentage) { calcDiscountAmount = Math.Round(soItemAmount * rank.DiscountValue.Value, 2); } if (rank.DiscountType.Value == PSDiscountTypeForOrderAmount.OrderAmountDiscount) { calcDiscountAmount = Math.Round(rank.DiscountValue.Value, 2); } break; } } } } #endregion #region 计算商品价格方面的折扣 if (rulePriceList != null && rulePriceList.Count > 0) { calcDiscountAmount = 0.00m; List <PSPriceDiscountRule> discountList = rulePriceList.FindAll(f => f.DiscountType == PSDiscountTypeForProductPrice.ProductPriceDiscount); List <PSPriceDiscountRule> finalList = rulePriceList.FindAll(f => f.DiscountType == PSDiscountTypeForProductPrice.ProductPriceFinal); //如果商品价格是直接折扣 if (discountList != null && discountList.Count > 0) { var discountListNew = from p in discountList orderby p.MinQty descending select p; foreach (SOItemInfo item in canPromotionSOItemList) { foreach (PSPriceDiscountRule prule in discountListNew) { int minQty = prule.MinQty.HasValue ? prule.MinQty.Value : 1; if (item.Quantity >= minQty) { calcDiscountAmount += Math.Round(prule.DiscountValue.Value * item.Quantity.Value, 2); break; } } } } //如果是最终售价 if (finalList != null && finalList.Count > 0) { var finalListNew = from p in finalList orderby p.MinQty descending select p; foreach (SOItemInfo item in canPromotionSOItemList) { foreach (PSPriceDiscountRule prule in finalListNew) { int minQty = prule.MinQty.HasValue ? prule.MinQty.Value : 1; if (item.Quantity >= minQty) { //当单个商品 最终售价大于商品售价时 if (prule.DiscountValue.Value >= item.Price.Value) { calcDiscountAmount += 0.00m; } else { calcDiscountAmount += Math.Round((item.Price.Value - prule.DiscountValue.Value) * item.Quantity.Value, 2); } break; } } } } } #endregion #region 得到真正最终可以折扣的金额 decimal canDiscountAmount = calcDiscountAmount; if (orderMaxDiscount.HasValue) { if (calcDiscountAmount <= orderMaxDiscount.Value) { canDiscountAmount = calcDiscountAmount; } else { canDiscountAmount = Math.Round(orderMaxDiscount.Value, 2); } } promotionInfo.DiscountAmount = Math.Abs(canDiscountAmount); #endregion #region 开始分摊折扣金额 if (promotionInfo.DiscountAmount == 0.00m) { return; } //最后一个Item要特殊处理,要用总折扣减去前边所有item的折扣合 decimal allocatedDiscount = 0.00m; decimal actualAllItemPriceAmount = sumAllOrderItemAmount + saleRulePromotionAmount; if (actualAllItemPriceAmount != 0) { for (int i = 0; i < promotionInfo.SOPromotionDetails.Count; i++) { SOPromotionDetailInfo detail = promotionInfo.SOPromotionDetails[i]; SOItemInfo item = soInfo.Items.Find(f => f.ProductSysNo == detail.MasterProductSysNo); //除去套餐优惠金额 decimal pTotal = item.OriginalPrice.Value * item.Quantity.Value + item.PromotionAmount ?? 0; if (i < promotionInfo.SOPromotionDetails.Count - 1) { //decimal currentDiscount=decimal.Floor((canDiscountAmount * (pTotal / sumAllItemPriceAmount)) * 100) / 100; decimal currentDiscount = canDiscountAmount * (pTotal / actualAllItemPriceAmount); //只保留小数点后两位,Bug:89610 currentDiscount = Math.Abs(currentDiscount); currentDiscount = Math.Min(currentDiscount, pTotal); detail.DiscountAmount = currentDiscount; allocatedDiscount += currentDiscount; } else { detail.DiscountAmount = Math.Abs(canDiscountAmount - allocatedDiscount); detail.DiscountAmount = Math.Min(detail.DiscountAmount.Value, pTotal); } } } #endregion }