// 绑定促销优惠 func (o *orderImpl) bindPromotionOnSubmit(orderNo string, prom promotion.IPromotion) (int, error) { var title string var integral int var fee int //todo: 需要重构,其他促销 if prom.Type() == promotion.TypeFlagCashBack { fee = prom.GetRelationValue().(*promotion.ValueCashBack).BackFee title = prom.TypeName() + ":" + prom.GetValue().ShortName } v := &order.OrderPromotionBind{ PromotionId: prom.GetAggregateRootId(), PromotionType: prom.Type(), OrderId: o.GetAggregateRootId(), Title: title, SaveFee: float32(fee), PresentIntegral: integral, IsConfirm: 1, IsApply: 0, } return o._orderRep.SavePromotionBindForOrder(v) }