func (this *OrderCoupon) Clone(coupon promotion.ICoupon,
orderId int, orderFee float32) *OrderCoupon {
v := coupon.GetValue()
this.CouponCode = v.Code
this.CouponId = v.Id
this.OrderId = orderId
this.Fee = coupon.GetCouponFee(orderFee)
this.Describe = coupon.GetDescribe()
this.SendIntegral = v.Integral
return this
}
func (this *Order) ApplyCoupon(coupon promotion.ICoupon) error {
if this._coupons == nil {
this._coupons = []promotion.ICoupon{}
}
this._coupons = append(this._coupons, coupon)
//val := coupon.GetValue()
v := this._value
//v.CouponCode = val.Code
//v.CouponDescribe = coupon.GetDescribe()
v.CouponFee = coupon.GetCouponFee(v.Fee)
v.PayFee = v.Fee - v.CouponFee
v.DiscountFee = v.DiscountFee + v.CouponFee
return nil
}