func tosimple(order *model.Order) *SimpleOrder {
	return &SimpleOrder{
		TrackNumber: order.TrackNumber,
		CreateTime:  order.CreateTime,
		OrderPrice:  order.SumOrderPrice(),
	}
}
Esempio n. 2
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// 创建订单的所有逻辑都在这里
func (s *OrderService) CreateOrder(order *model.Order) (*model.Order, error) {

	// 这个步骤很重要,判断是否订单已经存在了;如果存在了,需要换一个订单号再试;
	if newtn := makeSureOrderTNUnique(order.TrackNumber); newtn > 0 {
		order.TrackNumber = newtn
	}

	for _, detail := range order.Details {
		detail.OrderTrackNumber = order.TrackNumber
	}

	var needUpdateBallance = false // 需要写入Person的累计欠款

	// If order delivery method is `takeaway`, chagne order status to `delivering` and
	// update account ballance; In other situation change status to `toprint`.
	if order.DeliveryMethod == "TakeAway" {
		order.Status = "delivering"
		needUpdateBallance = true
	} else {
		order.Status = "toprint"
	}

	// organize some data
	_processOrderCustomerPrice(order)
	_calculateOrder(order)

	// create order detail into db;
	if order.Details != nil && len(order.Details) > 0 {
		if err := orderdao.CreateOrderDetail(order.Details); err != nil {
			return nil, err
		}
	}

	// create order into db
	// fmt.Println("======================================")
	// fmt.Println("order.CreateTimeis ", order.CreateTime)
	// fmt.Println("======================================")
	if err := orderdao.CreateOrder(order); err != nil {
		return nil, err
	}

	_update_order_accumulated(order) // debug option

	// update account ballance
	if needUpdateBallance {
		Account.UpdateAccountBalance(order.CustomerId, -order.SumOrderPrice(),
			"Create Order", order.TrackNumber)

		// last step: update stocks. 修改累计欠款的时候就修改库存;
		_reduceProductStocks(order.Details)
	}

	return order, nil
}
Esempio n. 3
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// Update Order 的所有逻辑都在这里了;
func (s *OrderService) UpdateOrder(order *model.Order) (*model.Order, error) {

	// 更新 Tracking Number 到子订单的 Tracking No
	for _, detail := range order.Details {
		// TODO: additional check if order tracking number not match;
		detail.OrderTrackNumber = order.TrackNumber
	}

	var needUpdateBallance = false
	// If status change from other to takeaway, mark as need update ballance.
	// Order中只包含新数据,旧的数据必须从数据库中取出了;也顺便再次验证是否存在这个订单;
	if oldOrder, err := s.GetOrder(order.Id); err != nil {
		return nil, err // panic(err)
	} else {
		// this makes mistake.
		// if oldOrder.DeliveryMethod == "TakeAway" {
		// 	return nil, errors.New("自提状态的订单不能再修改!")
		// }

		// 自提,非自提;状态是发货中,和其他
		// 更新情况1: 修改订单时,由非自提状态改为自提状态,需要修改累计欠款;
		if oldOrder.DeliveryMethod != "TakeAway" && order.DeliveryMethod == "TakeAway" {
			order.Status = "delivering"
			needUpdateBallance = true
		}
		// 更新情况2: 非自提状态点发货,}
		if order.Status == "delivering" { // 需要修改累计欠款
			if oldOrder.Status == "done" || oldOrder.Status == "canceled" {
				return nil, errors.New(fmt.Sprintf("%s状态的订单状态不能修改为delivering!", oldOrder.Status))
			}
			needUpdateBallance = true
		}

		// update order
		_processOrderCustomerPrice(order)    // update order custumize price when confirm order.
		_calculateOrder(order)               // calculate order statistic fields.
		_processingUpdateOrderDetails(order) // update order detail into db;

		_update_order_accumulated(order) // debug option
		// update order
		if _, err := orderdao.UpdateOrder(order); err != nil {
			return nil, err
		}
	}

	// update account ballance. upate stocks left.
	if needUpdateBallance {
		// 代发的父订单不参与非累计欠款, 代发订单由其子订单负责参与累计欠款的统计;
		// 代发父订单的逻辑应该也到不了这里。
		fmt.Println(">> update account ballance. delta: ", -order.SumOrderPrice())

		switch model.OrderType(order.Type) {
		case model.Wholesale, model.SubOrder:

			Account.UpdateAccountBalance(order.CustomerId, -order.SumOrderPrice(),
				"Create Order", order.TrackNumber)

		}

		// update stocks
		_reduceProductStocks(order.Details)

	}
	return order, nil
}