/// <summary>
/// 获取用户平台优惠券
/// </summary>
/// 一张优惠券是否能被用户使用的条件
/// 1：优惠券为面向所有用户的通用型优惠券
/// 2: 优惠券为指定当前用户可使用通用型优惠券
/// 3: 优惠券本身在有效期内
/// 4：通用型优惠券所属活动在运行期间
/// 5: 指向当前用户的投放型优惠券
/// 6: 优惠券使用次数未尽
/// 7：用户使用该优惠券次数未尽
/// 8：活动全网次数未尽
/// 9：用户参与活动次数未尽
/// John.E.Kang 2015.11.18修改
/// <param name="customerSysNo">用户ID</param>
/// <param name="merchantSysNo">平台ID</param>
/// <returns>用户可用的当前平台优惠券列表</returns>
public static List <CustomerCouponInfo> GetCustomerPlatformCouponCode(int customerSysNo, int merchantSysNo)
{
//用户可用的优惠券列表
List <CustomerCouponInfo> merchantCouponList = PromotionDA.GetMerchantCouponCodeList(customerSysNo);
//用户当前平台可用优惠券
List <CustomerCouponInfo> currMerchantCouponList = merchantCouponList.FindAll(m => m.MerchantSysNo == merchantSysNo || m.MerchantSysNo == 1);
List <string> needRemoves = new List <string>();
foreach (CustomerCouponInfo cc in currMerchantCouponList)
{
CouponInfo coupon = PromotionDA.GetComboInfoByCouponCode(cc.CouponCode);
//不属于某一优惠券活动的优惠券吗无效
if (coupon == null)
{
needRemoves.Add(cc.CouponCode);
continue;
}
//获取优惠券在全网使用次数
int totalUsedCount = 0;
totalUsedCount = PromotionDA.GetCouponCodeTotalUsedCount(cc.CouponCode);
int CouponTotalUsedCount = 0;
CouponTotalUsedCount = PromotionDA.GetCouponTotalUsedCount(cc.CouponSysNo);
//if (cc.CodeType.Trim().ToUpper() == "C")
//{
// totalUsedCount = PromotionDA.GetCouponCodeTotalUsedCount(cc.CouponCode);
//}
//else
//{
// totalUsedCount = PromotionDA.GetCouponTotalUsedCount(cc.CouponSysNo);
//}
//获取当前用户使用该优惠券的次数
int customerUsedCount = PromotionDA.GetCustomerTotalUsedCount(cc.CouponCode, customerSysNo);
//获取当前用户参与活动次数
int customerJoinCouponCount = PromotionDA.GetCustomerCouponNumber(coupon.SysNo, customerSysNo);
if (cc.CustomerMaxFrequency.HasValue && customerUsedCount >= cc.CustomerMaxFrequency.Value)
{
needRemoves.Add(cc.CouponCode);
continue;
}
if (cc.WebsiteMaxFrequency.HasValue && totalUsedCount >= cc.WebsiteMaxFrequency.Value)
{
needRemoves.Add(cc.CouponCode);
continue;
}
if (coupon.SaleRulesEx.CustomerMaxFrequency.HasValue && customerJoinCouponCount >= coupon.SaleRulesEx.CustomerMaxFrequency.Value)
{
needRemoves.Add(cc.CouponCode);
continue;
}
if (coupon.SaleRulesEx.MaxFrequency.HasValue && CouponTotalUsedCount >= coupon.SaleRulesEx.MaxFrequency.Value)
{
needRemoves.Add(cc.CouponCode);
continue;
}
//过滤掉全网次数已用尽的优惠券活动相关的优惠券
}
needRemoves.ForEach(f => currMerchantCouponList.RemoveAll(c => c.CouponCode.Trim().ToUpper() == f.ToUpper().Trim()));
return(currMerchantCouponList);
}