private int CalcTimesByQty(SaleDiscountRule data, int itemQty)
{
if (itemQty >= 0 && itemQty >= data.MinQty)
{
if (data.MinQty <= 0)
{
return(1);
}
//判断循环标记
if (data.IsCycle)
{
if (itemQty > data.MaxQty)
{
return(data.MaxQty / data.MinQty);
}
return(itemQty / data.MinQty);
}
else
{
return(1);
}
}
//一次也不满足
return(0);
}
//判断三级类别，品牌，商品ID条件满足
private bool IsCategoryBrandMatch(SaleDiscountRule data, SOItemInfo soItem)
{
bool isItemMatch = true;
//满足的条件数
int matchedConditionCount = 3;
if (data.C3SysNo > 0 && soItem.C3SysNo > 0)
{
isItemMatch = isItemMatch && (data.C3SysNo == soItem.C3SysNo);
}
else
{
matchedConditionCount--;
}
if (data.BrandSysNo > 0 && soItem.BrandSysNo > 0)
{
isItemMatch = isItemMatch && (data.BrandSysNo == soItem.BrandSysNo);
}
else
{
matchedConditionCount--;
}
if (data.ProductSysNo > 0 && data.ProductGroupSysNo > 0)
{
int soItemProductGroupSysNo = 0;
//需要注意组商品概念
isItemMatch = isItemMatch && (data.ProductSysNo == soItem.ProductSysNo || data.ProductGroupSysNo == soItemProductGroupSysNo);
}
else
{
matchedConditionCount--;
}
return(isItemMatch && matchedConditionCount > 0);
}
private int CalcTimesByAmt(SaleDiscountRule data, decimal itemAmt)
{
if (itemAmt >= 0 && itemAmt >= data.MinAmt)
{
if (data.MinAmt <= 0)
{
return(1);
}
//判断循环标记
if (data.IsCycle)
{
if (itemAmt > data.MaxAmt)
{
return((int)(data.MaxAmt / data.MinAmt));
}
return((int)(itemAmt / data.MinAmt));
}
else
{
return(1);
}
}
//一次也不满足
return(0);
}
public void Update(SaleDiscountRule data)
{
DataCommand cmd = DataCommandManager.GetDataCommand("NewPromotion_SaleDiscountRule_Update");
cmd.SetParameterValue(data);
cmd.ExecuteNonQuery();
}
public virtual void Update(SaleDiscountRule data)
{
CheckData(data);
TransactionScopeFactory.TransactionAction(() =>
{
_daSaleDiscountRule.Update(data);
//_promotionEngine.SaveActivity(data);
});
}
private void CheckExistsRule(SaleDiscountRule data)
{
int c3SysNo = data.C3SysNo ?? 0;
int brandSysNo = data.BrandSysNo ?? 0;
int productSysNo = data.ProductSysNo ?? 0;
int excludeSysNo = data.SysNo ?? 0;
bool exists = true;
//限定分类+品牌
if (c3SysNo > 0 && brandSysNo > 0)
{
exists = _daSaleDiscountRule.CheckExistsProductScope_CategoryBrand(excludeSysNo, c3SysNo, brandSysNo);
if (exists)
{
//throw new BizException("已存在限定此分类+此品牌的有效销售规则，请不要重复设置。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_ExsistCategoryAndBrandActiveDiscountRule"));
}
}
//限定分类
else if (c3SysNo > 0)
{
exists = _daSaleDiscountRule.CheckExistsProductScope_Category(excludeSysNo, c3SysNo);
if (exists)
{
//throw new BizException("已存在限定此分类的有效销售规则，请不要重复设置。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_ExsistCategoryActiveDiscountRule"));
}
}
//限定品牌
else if (brandSysNo > 0)
{
exists = _daSaleDiscountRule.CheckExistsProductScope_Brand(excludeSysNo, brandSysNo);
if (exists)
{
//throw new BizException("已存在限定此品牌的有效销售规则，请不要重复设置。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_ExsistBrandActiveDiscountRule"));
}
}
//限定商品(包含商品组的概念)
else if (productSysNo > 0)
{
List <int> productSysNos = new List <int>(0);
productSysNos.Add(productSysNo);
var productInGroup = ExternalDomainBroker.GetProductsInSameGroupWithProductSysNo(productSysNo);
if (productInGroup != null && productInGroup.Count > 0)
{
productSysNos.Clear();
productSysNos = productInGroup.Select(item => item.SysNo).ToList();
}
exists = _daSaleDiscountRule.CheckExistsProductScope_Product(excludeSysNo, productSysNo);
if (exists)
{
//throw new BizException("已存在限定此商品或商品组的有效销售规则，请不要重复设置。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_ExsistActiveDiscountRule"));
}
}
}
public void Insert(SaleDiscountRule data)
{
DataCommand cmd = DataCommandManager.GetDataCommand("NewPromotion_SaleDiscountRule_Insert");
cmd.SetParameterValue(data);
cmd.ExecuteNonQuery();
data.SysNo = Convert.ToInt32(cmd.GetParameterValue("@SysNo"));
}
//判断单品规则是否满足
private int IsSingleMatch(SaleDiscountRule data, SOItemInfo soItem, decimal discountAmt)
{
int matchedTimes = 0;
if (data.RuleType == SaleDiscountRuleType.AmountRule)
{
decimal itemAmt = soItem.Quantity.Value * soItem.Price.Value - discountAmt;
matchedTimes = CalcTimesByAmt(data, itemAmt);
}
else
{
matchedTimes = CalcTimesByQty(data, soItem.Quantity.Value);
}
return(matchedTimes);
}
/// <summary>
/// 计算非单品标记
/// </summary>
/// <param name="data">规则</param>
/// <param name="matchedItemList">商品列表</param>
/// <param name="totalItemPrice">商品总额</param>
/// <param name="totalItemQty">商品总数量</param>
private List <SOPromotionDetailInfo> CalcNotSingleDiscount(SaleDiscountRule data, List <SOItemInfo> matchedItemList, decimal totalItemPrice, int totalItemQty, int matchedTimes, List <SOPromotionInfo> alreadyApplyPromoList)
{
//商品折扣总值
decimal itemTotalDiscount = data.DiscountAmount * matchedTimes;
//已分摊的折扣
decimal itemDistributeDiscount = 0;
//按商品金额比例分摊
int index = 1;
List <SOPromotionDetailInfo> promoDetailList = new List <SOPromotionDetailInfo>();
foreach (var item in matchedItemList)
{
//计算商品已有折扣
decimal discountAmt = GetItemDiscount(item, alreadyApplyPromoList);
bool isLast = (index == matchedItemList.Count);
decimal saleDiscountAmount = 0;
if (isLast)
{
//最后一个用总的折扣-已分摊的折扣
saleDiscountAmount = itemTotalDiscount - itemDistributeDiscount;
}
else
{
saleDiscountAmount = (item.Price.Value * item.Quantity.Value - discountAmt) / totalItemPrice * itemTotalDiscount;
//保留两位小数，确保分摊无误差
saleDiscountAmount = Math.Round(saleDiscountAmount, 2);
itemDistributeDiscount += saleDiscountAmount;
}
index++;
var detail = GeneratePromoDetailInfo(item.ProductSysNo.Value, item.Quantity.Value, saleDiscountAmount);
promoDetailList.Add(detail);
}
return(promoDetailList);
}
public virtual void Update(SaleDiscountRule data)
{
_bizSaleDiscountRule.Update(data);
}
public virtual void Insert(SaleDiscountRule data)
{
_bizSaleDiscountRule.Insert(data);
}
private void CheckData(SaleDiscountRule data)
{
data.SysNo = data.SysNo ?? 0;
if (string.IsNullOrWhiteSpace(data.ActivityName))
{
//throw new BizException("活动名称必须填写。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_ActivityNameNotNull"));
}
if (data.BeginDate == null)
{
//throw new BizException("开始时间必须填写。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_StartDateNotNull"));
}
if (data.EndDate == null)
{
//throw new BizException("结束时间必须填写。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_EndDateNotNull"));
}
if (data.EndDate <= data.BeginDate)
{
//throw new BizException("结束时间必须大于开始时间。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_EndDateMoreThanStartDate"));
}
if (data.EndDate.HasValue && data.EndDate.Value <= DateTime.Now)
{
//throw new BizException("结束时间必须大于当前时间。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_EndDateMoreThanCurrentDate"));
}
if (!data.IsC3SysNoValid() &&
!data.IsBrandSysNoValid() &&
!data.IsProductSysNoValid())
{
//throw new BizException("商品分类，品牌，商品ID至少设置一项。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_AtLeastCatgoryBrandID"));
}
if (data.RuleType == SaleDiscountRuleType.QtyRule)
{
if (data.MinQty <= 0)
{
//throw new BizException("数量下限必须大于等于零。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_LowerLimitMoreThan0"));
}
if (data.MaxQty <= 0)
{
//throw new BizException("数量上限必须大于等于零。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_UpperLimitMoreThan0"));
}
if (data.MaxQty < data.MinQty)
{
//throw new BizException("数量上限必须大于等于数量下限");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_UpperLimitMoreThanLowerLimit"));
}
}
if (data.RuleType == SaleDiscountRuleType.AmountRule)
{
if (data.MinAmt <= 0)
{
//throw new BizException("商品金额下限必须大于等于零。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_AmountLowerLimitMoreThan0"));
}
if (data.MaxAmt <= 0)
{
//throw new BizException("商品金额上限必须大于等于零。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_AmountUpperLimitMoreThan0"));
}
if (data.MaxAmt < data.MinAmt)
{
//throw new BizException("商品金额上限必须大于等于商品金额下限。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_AmountUpperLimitMoreThanAmountUpperLimit"));
}
}
if (data.DiscountAmount > 0)
{
data.DiscountAmount = data.DiscountAmount * -1;
}
else if (data.DiscountAmount == 0)
{
//throw new BizException("销售折扣不能为零。");
throw new BizException(ResouceManager.GetMessageString("MKT.SaleDiscountRule", "SaleDiscountRule_DiscountRuleNot0"));
}
CheckExistsRule(data);
}
public void UpdateSaleDiscountRule(SaleDiscountRule data)
{
_appServiceSaleDiscountRule.Update(data);
}
public void InsertSaleDiscountRule(SaleDiscountRule data)
{
_appServiceSaleDiscountRule.Insert(data);
}
private SOPromotionInfo ApplyingRule(SaleDiscountRule rule, List <SOItemInfo> itemList, int soSysNo, List <SOPromotionInfo> alreadyApplyPromoList)
{
List <SOPromotionDetailInfo> promoDetailList = new List <SOPromotionDetailInfo>();
decimal totalAmt = 0;
int totalQty = 0;
List <SOItemInfo> matchedItemList = new List <SOItemInfo>(itemList.Count);
foreach (var item in itemList)
{
//判断三级类别，品牌，商品ID条件满足
bool isItemMatch = IsCategoryBrandMatch(rule, item);
if (isItemMatch)
{
//加入到匹配商品列表
matchedItemList.Add(item);
if (!rule.IsSingle)
{
//计算商品已有折扣
decimal discountAmt = GetItemDiscount(item, alreadyApplyPromoList);
//非单品标记时，计算总金额和总数量
totalAmt += item.Quantity.Value * item.Price.Value - discountAmt;
totalQty += item.Quantity.Value;
}
}
}
//应用规则
if (rule.IsSingle)
{
foreach (var item in matchedItemList)
{
//计算商品已有折扣
decimal discountAmt = GetItemDiscount(item, alreadyApplyPromoList);
int matchedTimes = IsSingleMatch(rule, item, discountAmt);
if (matchedTimes > 0)
{
var promoDetail = CalcSingleDiscount(rule, item, matchedTimes);
promoDetailList.Add(promoDetail);
}
}
}
else
{
//非单品，根据规则类型进一步判断
if (totalAmt > 0 && totalQty > 0)
{
int matchedTimes = 0;
if (rule.RuleType == SaleDiscountRuleType.AmountRule)
{
matchedTimes = CalcTimesByAmt(rule, totalAmt);
}
else
{
matchedTimes = CalcTimesByQty(rule, totalQty);
}
if (matchedTimes > 0)
{
var detailList = CalcNotSingleDiscount(rule, matchedItemList, totalAmt, totalQty, matchedTimes, alreadyApplyPromoList);
promoDetailList.AddRange(detailList);
}
}
}
SOPromotionInfo promotionInfo = null;
if (promoDetailList.Count > 0)
{
//生成SOPromotionInfo信息
promotionInfo = new SOPromotionInfo();
promotionInfo.PromotionType = SOPromotionType.SaleDiscountRule;
promotionInfo.PromotionSysNo = rule.SysNo;
promotionInfo.PromotionName = rule.ActivityName;
promotionInfo.DiscountAmount = -1 * promoDetailList.Sum(item => item.DiscountAmount.Value);
promotionInfo.GainPoint = 0;
promotionInfo.Priority = 0;
promotionInfo.Time = 1;
promotionInfo.SOSysNo = soSysNo;
promotionInfo.VendorSysNo = rule.VendorSysNo ?? 0;
promotionInfo.PromoRuleData = SerializationUtility.XmlSerialize(rule);
promotionInfo.Discount = promotionInfo.DiscountAmount;
promotionInfo.SOPromotionDetails = promoDetailList;
}
return(promotionInfo);
}
private SOPromotionDetailInfo CalcSingleDiscount(SaleDiscountRule data, SOItemInfo item, int matchedTimes)
{
decimal saleDiscountAmount = data.DiscountAmount * matchedTimes;
return(GeneratePromoDetailInfo(item.ProductSysNo.Value, item.Quantity.Value, saleDiscountAmount));
}