func (this *promotionService) SaveCoupon(partnerId int, e *promotion.ValueCoupon) (int, error) {
prom := this._rep.GetPromotion(partnerId)
var coupon promotion.ICoupon
if e.Id > 0 {
coupon = prom.GetCoupon(e.Id)
if coupon == nil {
return 0, errors.New("优惠券不存在")
}
err := coupon.SetValue(e)
if err != nil {
return 0, err
}
} else {
coupon = prom.CreateCoupon(e)
}
return coupon.Save()
}
