// Make sure order tracking number not conflict, by checking if tn exists,
// change to another but not checked again. So, it's limited.
func makeSureOrderTNUnique(tn int64) int64 {
if order, err := orderdao.GetOrder("track_number", tn); err != nil {
panic(err)
} else if order == nil {
return 0 // success
} else {
return model.GenerateOrderId() // try only once.
}
}
func (s *OrderService) GetOrder(id int) (*model.Order, error) {
return orderdao.GetOrder("id", id)
}
func (s *OrderService) GetOrderByTrackingNumber(trackNumber int64) (*model.Order, error) {
return orderdao.GetOrder("track_number", trackNumber)
}
// >> copied to service.order
func GetOrder(id int) (*model.Order, error) {
return orderdao.GetOrder("id", id)
}