/// <summary>
/// 计算商品的折扣价
/// </summary>
/// <param name="shopPrice">商城价格</param>
/// <param name="singlePromotionInfo">单品促销活动</param>
/// <returns></returns>
public static decimal ComputeDiscountPrice(decimal shopPrice, SinglePromotionInfo singlePromotionInfo)
{
decimal discountPrice = shopPrice;
if (singlePromotionInfo != null)
{
switch (singlePromotionInfo.DiscountType)
{
case 0: //折扣
discountPrice = Math.Ceiling(shopPrice * singlePromotionInfo.DiscountValue / 10);
break;
case 1: //直降
discountPrice = shopPrice - singlePromotionInfo.DiscountValue;
break;
case 2: //折后价
discountPrice = singlePromotionInfo.DiscountValue;
break;
}
}
if (discountPrice < 0 || discountPrice > shopPrice)
{
discountPrice = shopPrice;
}
return(discountPrice);
}
/// <summary>
/// 生成商品的促销信息
/// </summary>
/// <param name="singlePromotionInfo">单品促销活动</param>
/// <param name="buySendPromotionList">买送促销活动列表</param>
/// <param name="fullSendPromotionInfo">满赠促销活动</param>
/// <param name="fullCutPromotionInfo">满减促销活动</param>
/// <returns></returns>
public static string GeneratePromotionMsg(SinglePromotionInfo singlePromotionInfo, List <BuySendPromotionInfo> buySendPromotionList, FullSendPromotionInfo fullSendPromotionInfo, FullCutPromotionInfo fullCutPromotionInfo)
{
StringBuilder promotionMsg = new StringBuilder();
//单品促销
if (singlePromotionInfo != null)
{
//折扣类别
switch (singlePromotionInfo.DiscountType)
{
case 0: //折扣
promotionMsg.AppendFormat("折扣：{0}折<br/>", singlePromotionInfo.DiscountValue);
break;
case 1: //直降
promotionMsg.AppendFormat("直降：{0}元<br/>", singlePromotionInfo.DiscountValue);
break;
case 2: //折后价
promotionMsg.AppendFormat("折后价：{0}元<br/>", singlePromotionInfo.DiscountValue);
break;
}
//积分
if (singlePromotionInfo.PayCredits > 0)
{
promotionMsg.AppendFormat("赠送{0}：{1}<br/>", Credits.PayCreditName, singlePromotionInfo.PayCredits);
}
//优惠劵
if (singlePromotionInfo.CouponTypeId > 0)
{
CouponTypeInfo couponTypeInfo = Coupons.GetCouponTypeById(singlePromotionInfo.CouponTypeId);
if (couponTypeInfo != null)
{
promotionMsg.AppendFormat("赠送优惠劵：{0}<br/>", couponTypeInfo.Name);
}
}
}
//买送促销
if (buySendPromotionList != null && buySendPromotionList.Count > 0)
{
promotionMsg.Append("买送促销：");
foreach (BuySendPromotionInfo buySendPromotionInfo in buySendPromotionList)
{
promotionMsg.AppendFormat("买{0}送{1},", buySendPromotionInfo.BuyCount, buySendPromotionInfo.SendCount);
}
promotionMsg.Remove(promotionMsg.Length - 1, 1);
promotionMsg.Append("<br/>");
}
//满赠促销
if (fullSendPromotionInfo != null)
{
promotionMsg.Append("满赠促销：");
promotionMsg.AppendFormat("满{0}元加{1}元<br/>", fullSendPromotionInfo.LimitMoney, fullSendPromotionInfo.AddMoney);
}
//满减促销
if (fullCutPromotionInfo != null)
{
promotionMsg.Append("满减促销：");
promotionMsg.AppendFormat("满{0}元减{1}元,", fullCutPromotionInfo.LimitMoney1, fullCutPromotionInfo.CutMoney1);
if (fullCutPromotionInfo.LimitMoney2 > 0 && fullCutPromotionInfo.CutMoney2 > 0)
{
promotionMsg.AppendFormat("满{0}元减{1}元,", fullCutPromotionInfo.LimitMoney2, fullCutPromotionInfo.CutMoney2);
}
if (fullCutPromotionInfo.LimitMoney3 > 0 && fullCutPromotionInfo.CutMoney3 > 0)
{
promotionMsg.AppendFormat("满{0}元减{1}元,", fullCutPromotionInfo.LimitMoney3, fullCutPromotionInfo.CutMoney3);
}
promotionMsg.Remove(promotionMsg.Length - 1, 1);
promotionMsg.Append("<br/>");
}
return(promotionMsg.Length > 0 ? promotionMsg.Remove(promotionMsg.Length - 5, 5).ToString() : "");
}
/// <summary>
/// 创建单品促销活动
/// </summary>
public static void CreateSinglePromotion(SinglePromotionInfo singlePromotionInfo)
{
BrnShop.Data.Promotions.CreateSinglePromotion(singlePromotionInfo);
}
/// <summary>
/// 更新单品促销活动
/// </summary>
public static void UpdateSinglePromotion(SinglePromotionInfo singlePromotionInfo)
{
BrnMall.Data.Promotions.UpdateSinglePromotion(singlePromotionInfo);
}
/// <summary>
/// 更新单品促销活动
/// </summary>
public static void UpdateSinglePromotion(SinglePromotionInfo singlePromotionInfo)
{
NStore.Data.Promotions.UpdateSinglePromotion(singlePromotionInfo);
}
