public static string GenerateRandomCode(int length)
{
Thread.Sleep(10);
const string template = "234679ACDEFGHJKLMNPQRTUVWXYZ";
int success = 0;
Random random = new Random();
random.Next();
string CouponCode = string.Empty;
while (success == 0)
{
StringBuilder builder = new StringBuilder();
int maxRandom = template.Length - 1;
for (int i = 0; i < length; i++)
{
builder.Append(template[random.Next(maxRandom)]);
}
CouponCode = builder.ToString();
if (!CouponDA.CheckExistCode(CouponCode, null))
{
success = 1;
}
}
return(CouponCode);
}
public static Coupon Create(Coupon info)
{
if (info != null)
{
SetCoupon(info);
CheckCoupon(info);
using (ECommerce.Utility.ITransaction tran = ECommerce.Utility.TransactionManager.Create())
{
//活动基本信息
info.SysNo = CouponDA.CreateMaster(info);
//折扣方式
CouponDA.AddDiscountRule(info);
//使用范围
CouponDA.SetCouponSaleRule(info);
CouponDA.AddSeleRulesProductCondition(info);
CouponDA.AddCustomerCondition(info);
//获取方式
CouponDA.SetCouponBindRules(info);
CouponDA.AddBindRulesProductCondition(info);
//优惠券
if (info.SysNo.HasValue && info.BindRule != null && info.BindRule.BindCondition == CouponsBindConditionType.None)
{
if (info.GeneralCode != null && (!string.IsNullOrWhiteSpace(info.GeneralCode.Code)))
{
if (CouponDA.CheckExistCode(info.GeneralCode.Code, info.SysNo))
{
throw new ECommerce.Utility.BusinessException(LanguageHelper.GetText("优惠券代码已存在"));
}
info.GeneralCode.CouponSysNo = info.SysNo.Value;
CouponDA.CreateCouponCode(info.GeneralCode, info.InUser);
}
else if (!string.IsNullOrWhiteSpace(info.ThrowInCodes))
{
string couponCodeXml = GetCouponCodeXml(info.ThrowInCodes);
if (couponCodeXml != null)
{
info.GeneralCode.CouponSysNo = info.SysNo.Value;
CouponDA.BatchCreateCouponCode(couponCodeXml, info, info.InUser);
}
}
}
tran.Complete();
}
if (info.SysNo.HasValue)
{
info = CouponDA.Load(info.SysNo);
}
}
return(info);
}
public static void CheckCoupon(Coupon info)
{
if (info != null)
{
if (info.SysNo.HasValue && info.MerchantSysNo > 0)
{
if (info.MerchantSysNo != CouponDA.GetCouponMerchantSysNo(info.SysNo.Value))
{
throw new BusinessException(LanguageHelper.GetText("您没有权限操作该数据"));
}
}
if (!info.BeginDate.HasValue)
{
throw new BusinessException(LanguageHelper.GetText("开始时间不能为空"));
}
if (!info.EndDate.HasValue)
{
throw new BusinessException(LanguageHelper.GetText("结束时间不能为空"));
}
if (info.EndDate < DateTime.Now.Date)
{
throw new BusinessException(LanguageHelper.GetText("结束时间必须大于当前时间"));
}
if (info.BeginDate >= info.EndDate)
{
throw new BusinessException(LanguageHelper.GetText("开始时间必须小于结束时间"));
}
if (info.DiscountRules == null ||
info.DiscountRules.Count < 1)
{
throw new BusinessException(LanguageHelper.GetText("折扣方式不能为空"));
}
if (info.BindRule != null)
{
if (info.BindRule != null && info.BindRule.BindCondition == CouponsBindConditionType.None)
{
if ((info.GeneralCode == null || string.IsNullOrEmpty(info.GeneralCode.Code)) && string.IsNullOrWhiteSpace(info.ThrowInCodes))
{
throw new BusinessException(LanguageHelper.GetText("触发条件不限的优惠券活动必须生成优惠券代码"));
}
if (!string.IsNullOrWhiteSpace(info.GeneralCode.Code) && CouponDA.CheckExistCode(info.GeneralCode.Code, info.SysNo))
{
throw new ECommerce.Utility.BusinessException(LanguageHelper.GetText("优惠券代码已存在"));
}
}
//泰隆暂时不提供此活动
if (info.BindRule.BindCondition == CouponsBindConditionType.SO &&
info.BindRule.ProductRange.ProductRangeType == ProductRangeType.Limit)
{
if (info.BindRule.ProductRange.Products == null ||
info.BindRule.ProductRange.Products.Count < 1)
{
throw new BusinessException(LanguageHelper.GetText("优惠券获取方式限制商品列表不能为空"));
}
}
if (info.BindRule.BindCondition == CouponsBindConditionType.SO)
{
if (info.SaleRule.CustomerRange.Customers == null ||
info.SaleRule.CustomerRange.Customers.Count < 1)
{
throw new BusinessException(LanguageHelper.GetText("优惠券使用规则顾客范围列表不能为空"));
}
}
if (info.BindRule.ValidPeriod == CouponValidPeriodType.CustomPeriod)
{
if ((!info.BindRule.BindBeginDate.HasValue) ||
(!info.BindRule.BindEndDate.HasValue))
{
throw new BusinessException(LanguageHelper.GetText("自定义优惠券有效期起止时间不能为空"));
}
}
}
if (info.SaleRule != null &&
info.SaleRule.ProductRange.ProductRangeType == ProductRangeType.Limit)
{
if (info.SaleRule.ProductRange.Products == null ||
info.SaleRule.ProductRange.Products.Count < 1)
{
throw new BusinessException(LanguageHelper.GetText("优惠券使用范围限制商品列表不能为空"));
}
}
if (info.SaleRule != null &&
info.SaleRule.CustomerRange.CustomerRangeType == CouponCustomerRangeType.Limit)
{
if (info.SaleRule.CustomerRange.Customers == null ||
info.SaleRule.CustomerRange.Customers.Count < 1)
{
throw new BusinessException(LanguageHelper.GetText("优惠券使用范围限制顾客列表不能为空"));
}
}
}
else
{
throw new BusinessException(LanguageHelper.GetText("优惠券活动信息不能为空"));
}
}
public static Coupon Update(Coupon info)
{
if (info != null && info.SysNo.HasValue)
{
CouponStatus status = CouponDA.GetCouponStatus(info.SysNo.Value);
if (status != CouponStatus.Init)
{
throw new ECommerce.Utility.BusinessException(LanguageHelper.GetText("只有初始态的活动才能保存或发布"));
}
SetCoupon(info);
CheckCoupon(info);
using (ECommerce.Utility.ITransaction tran = ECommerce.Utility.TransactionManager.Create())
{
//活动基本信息
CouponDA.UpdateMaster(info);
//折扣方式
CouponDA.DeleteDiscountRule(info.SysNo);
CouponDA.AddDiscountRule(info);
//使用范围
CouponDA.SetCouponSaleRule(info);
CouponDA.DeleteSeleRulesProductCondition(info.SysNo);
CouponDA.AddSeleRulesProductCondition(info);
CouponDA.DeleteSeleRulesCustomerCondition(info.SysNo);
CouponDA.AddCustomerCondition(info);
//获取方式
CouponDA.SetCouponBindRules(info);
CouponDA.DeleteBindRulesProductCondition(info.SysNo);
CouponDA.AddBindRulesProductCondition(info);
//优惠券
CouponDA.DelAllCouponCode(info.SysNo);
//优惠券
if (info.SysNo.HasValue && info.BindRule != null && info.BindRule.BindCondition == CouponsBindConditionType.None)
{
if (info.GeneralCode != null && (!string.IsNullOrWhiteSpace(info.GeneralCode.Code)))
{
if (CouponDA.CheckExistCode(info.GeneralCode.Code, info.SysNo))
{
throw new ECommerce.Utility.BusinessException(LanguageHelper.GetText("优惠券代码已存在"));
}
info.GeneralCode.CouponSysNo = info.SysNo.Value;
CouponDA.CreateCouponCode(info.GeneralCode, info.EditUser);
}
else if (!string.IsNullOrWhiteSpace(info.ThrowInCodes))
{
string couponCodeXml = GetCouponCodeXml(info.ThrowInCodes);
if (couponCodeXml != null)
{
CouponDA.BatchCreateCouponCode(couponCodeXml, info, info.InUser);
}
}
}
//if (info.CouponCodes != null && info.CouponCodes.Count > 0)
//{
// foreach (CouponCode code in info.CouponCodes)
// {
// if (CouponDA.CheckExistCode(code.Code))
// {
// throw new ECommerce.Utility.BusinessException(LanguageHelper.GetText("优惠券代码已存在"));
// }
// CouponDA.CreateCouponCode(code, info.InUser);
// }
//}
tran.Complete();
}
}
return(info);
}
