private static object _locker = new object();//锁对象
/// <summary>
/// 领取优惠劵
/// </summary>
public ActionResult GetCoupon()
{
lock (_locker)
{
//判断用户是否登录
if (WorkContext.Uid < 1)
{
return(AjaxResult("login", "请先登录"));
}
//优惠劵类型id
int couponTypeId = GetRouteInt("couponTypeId");
if (couponTypeId == 0)
{
couponTypeId = WebHelper.GetQueryInt("couponTypeId");
}
CouponTypeInfo couponTypeInfo = Coupons.GetCouponTypeById(couponTypeId);
//判断优惠劵类型是否存在
if (couponTypeInfo == null || couponTypeInfo.SendMode != 0)
{
return(AjaxResult("noexist", "优惠劵不存在"));
}
//判断优惠劵类型是否开始领取
if (couponTypeInfo.SendStartTime > DateTime.Now)
{
return(AjaxResult("unstart", "优惠劵还未开始"));
}
//判断优惠劵类型是否结束领取
if (couponTypeInfo.SendEndTime <= DateTime.Now)
{
return(AjaxResult("expired", "优惠劵已过期"));
}
//判断优惠劵类型是否已经领取
if ((couponTypeInfo.GetMode == 1 && Coupons.GetSendUserCouponCount(WorkContext.Uid, couponTypeId) > 1) || (couponTypeInfo.GetMode == 2 && Coupons.GetTodaySendUserCouponCount(WorkContext.Uid, couponTypeId, DateTime.Now) > 1))
{
return(AjaxResult("alreadyget", "优惠劵已经被领取"));
}
//判断优惠劵是否已经领尽
int sendCount = Coupons.GetSendCouponCount(couponTypeId);
if (sendCount >= couponTypeInfo.Count)
{
return(AjaxResult("stockout", "优惠劵已领尽"));
}
string couponSN = Coupons.PullCoupon(WorkContext.PartUserInfo, couponTypeInfo, DateTime.Now, WorkContext.IP);
return(AjaxResult("success", couponSN));
}
}
