func FactoryPromotion(rep promotion.IPromotionRep, saleRep sale.ISaleRep,
v *promotion.ValuePromotion) promotion.IPromotion {
prom := newPromotion(rep, saleRep, v)
if prom.Type() == promotion.TypeFlagCashBack {
pv := rep.GetValueCashBack(prom.GetAggregateRootId())
if pv == nil {
pv = &promotion.ValueCashBack{
Id: prom.GetAggregateRootId(),
}
}
cp := &CashBackPromotion{
Promotion: prom,
_cashBackValue: pv,
}
return cp
}
//todo:
return prom
}
func DeletePromotion(p promotion.IPromotion) error {
var err error
var rep promotion.IPromotionRep = nil
if p.Type() == promotion.TypeFlagCashBack {
v := p.(*CashBackPromotion)
rep = v._promRep
err = rep.DeleteValueCashBack(v.GetAggregateRootId())
} else if p.Type() == promotion.TypeFlagCoupon {
v := p.(*Coupon)
rep = v._promRep
err = rep.DeleteValueCoupon(v.GetAggregateRootId())
}
if err == nil && rep != nil {
err = rep.DeletePromotion(p.GetAggregateRootId())
}
return err
}