264 lines
8.8 KiB
Go
264 lines
8.8 KiB
Go
package payment
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import (
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"context"
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"encoding/json"
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"time"
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"hfb_sys/backend/internal/model"
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"hfb_sys/backend/internal/timeutil"
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"go.uber.org/zap"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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)
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// Start 发起订单支付，并按请求支付方式选择对应默认渠道配置。
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func (r *Repository) Start(ctx context.Context, userID uint64, orderID uint64, req StartPaymentRequest, clientIP string) (*PaymentDTO, error) {
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req.PayWay = normalizePayWay(req.PayWay)
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defaultConfig, err := r.defaultRuntimeConfig(ctx, req.PayWay)
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if err != nil {
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return nil, ErrPaymentUnavailable
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}
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payment, orderRow, err := r.preparePayment(ctx, userID, orderID, req, *defaultConfig)
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if err != nil {
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return nil, err
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}
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runtimeConfig, err := r.runtimeConfigForPayment(ctx, payment)
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if err != nil {
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return nil, ErrPaymentUnavailable
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}
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if payment.Status == "paid" {
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r.recordConfigUsage(ctx, runtimeConfig, payment)
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dto := toDTO(*payment)
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return &dto, nil
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}
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if runtimeConfig.isMockMode() {
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if err := r.confirmPaid(ctx, payment, "2", time.Now(), map[string]string{
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"mock": "true",
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"third_order_id": payment.ThirdOrderID,
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"leshua_order_id": payment.ProviderOrderID,
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"status": "2",
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}, channelSourceMock); err != nil {
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return nil, err
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}
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latest, err := r.findPaymentByID(ctx, payment.ID)
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if err != nil {
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return nil, err
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}
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r.recordConfigUsage(ctx, runtimeConfig, latest)
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dto := toDTO(*latest)
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return &dto, nil
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}
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if payment.Status == "paying" && (payment.TDCode != "" || payment.JSPayURL != "" || payment.JSPayInfo != "") {
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r.recordConfigUsage(ctx, runtimeConfig, payment)
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dto := toDTO(*payment)
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return &dto, nil
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}
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if runtimeConfig.Channel == nil {
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_ = r.markPaymentFailed(ctx, payment.ID, nil, "payment channel unavailable")
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return nil, ErrPaymentUnavailable
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}
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r.log().Info("payment start", paymentLogFields(ctx, appendFields(
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paymentOrderFields(payment),
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runtimeConfigFields(runtimeConfig),
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)...,
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)...)
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resp, err := runtimeConfig.Channel.CreatePayment(ctx, channelCreatePaymentRequest{
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ThirdOrderID: payment.ThirdOrderID,
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AmountCent: payment.AmountCent,
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PayWay: payment.PayWay,
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JSPayFlag: payment.JSPayFlag,
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NotifyURL: runtimeConfig.NotifyURL,
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JumpURL: runtimeConfig.JumpURL,
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ClientIP: clientIP,
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Body: "租号订单 " + orderRow.OrderNo,
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Attach: orderRow.OrderNo,
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})
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if err != nil {
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_ = r.markPaymentFailed(ctx, payment.ID, nil, err.Error())
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r.log().Warn("payment request failed", paymentLogFields(ctx, appendFields(
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paymentOrderFields(payment),
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runtimeConfigFields(runtimeConfig),
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[]zap.Field{zap.Error(err)},
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)...,
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)...)
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return nil, err
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}
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if !resp.OK {
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_ = r.markPaymentFailed(ctx, payment.ID, resp.Raw, resp.ErrorMessage)
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r.log().Warn("payment rejected", paymentLogFields(ctx, appendFields(
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paymentOrderFields(payment),
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runtimeConfigFields(runtimeConfig),
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[]zap.Field{
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zap.String("channel_code", firstNonEmpty(resp.Raw["code"], resp.Raw["resp_code"], resp.Raw["result_code"])),
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zap.String("channel_message", resp.ErrorMessage),
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zap.Strings("raw_response_keys", stringMapKeys(resp.Raw)),
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},
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)...,
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)...)
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return nil, ErrPaymentUnavailable
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}
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if err := r.db.WithContext(ctx).Model(&model.PaymentOrder{}).Where("id = ?", payment.ID).Updates(map[string]any{
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"status": "paying",
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"provider_order_id": resp.ProviderOrderID,
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"pay_way": firstNonEmpty(resp.PayWay, payment.PayWay),
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"td_code": resp.TDCode,
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"jspay_url": resp.JSPayURL,
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"jspay_info": resp.JSPayInfo,
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"raw_request": jsonMap(resp.RawRequest),
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"raw_response": jsonMap(withRawSource(resp.Raw, channelSourceCreate)),
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}).Error; err != nil {
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return nil, err
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}
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latest, err := r.findPaymentByID(ctx, payment.ID)
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if err != nil {
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return nil, err
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}
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r.recordConfigUsage(ctx, runtimeConfig, latest)
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r.log().Info("payment result", paymentLogFields(ctx, appendFields(
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paymentOrderFields(latest),
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runtimeConfigFields(runtimeConfig),
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)...,
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)...)
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dto := toDTO(*latest)
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return &dto, nil
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}
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// preparePayment 创建或复用订单支付单，并写入本次命中的支付配置 ID。
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func (r *Repository) preparePayment(ctx context.Context, userID uint64, orderID uint64, req StartPaymentRequest, runtimeConfig runtimePaymentConfig) (*model.PaymentOrder, *model.RentalOrder, error) {
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var paymentID uint64
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var orderRow model.RentalOrder
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err := r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
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var row model.RentalOrder
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if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).
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Where("id = ? AND renter_id = ?", orderID, userID).
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First(&row).Error; err != nil {
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return err
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}
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if row.Status != "pending_payment" {
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return ErrPaymentCannotStart
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}
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amountCent := row.RentAmountCent + row.DepositAmountCent
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if amountCent <= 0 {
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return ErrPaymentCannotStart
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}
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var existing model.PaymentOrder
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err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).
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Where("order_id = ? AND biz_type = ?", row.ID, "order_pay").
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Order("id DESC").
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First(&existing).Error
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if err == nil {
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if canReuseOrderPayment(existing, runtimeConfig) {
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existing.PayWay = firstNonEmpty(req.PayWay, existing.PayWay, runtimeConfig.PayWay, "ZFBZF")
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existing.JSPayFlag = firstNonEmpty(req.JSPayFlag, existing.JSPayFlag, runtimeConfig.JSPayFlag, "2")
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existing.AmountCent = amountCent
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existing.PaymentConfigID = firstNonZero(existing.PaymentConfigID, runtimeConfig.ID)
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existing.Provider = firstNonEmpty(existing.Provider, runtimeConfig.Provider)
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existing.MerchantID = firstNonEmpty(existing.MerchantID, runtimeConfig.MerchantID)
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if existing.Provider == "mock" && existing.ProviderOrderID == "" {
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existing.ProviderOrderID = "MOCK" + existing.ThirdOrderID
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}
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if err := tx.Save(&existing).Error; err != nil {
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return err
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}
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paymentID = existing.ID
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orderRow = row
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return nil
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}
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} else if err != gorm.ErrRecordNotFound {
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return err
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}
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payment, err := newOrderPayment(row, amountCent, req, runtimeConfig)
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if err != nil {
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return err
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}
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if err := tx.Create(&payment).Error; err != nil {
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return err
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}
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paymentID = payment.ID
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orderRow = row
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return nil
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})
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if err != nil {
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return nil, nil, err
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}
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payment, err := r.findPaymentByID(ctx, paymentID)
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if err != nil {
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return nil, nil, err
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}
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return payment, &orderRow, nil
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}
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// canReuseOrderPayment 判断旧支付单是否还能复用，支付方式或配置不同则必须重新下单。
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func canReuseOrderPayment(payment model.PaymentOrder, runtimeConfig runtimePaymentConfig) bool {
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if payment.Status == "paid" {
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return true
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}
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if payment.Status != "created" && payment.Status != "paying" {
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return false
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}
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if payment.Provider != "" && runtimeConfig.Provider != "" && payment.Provider != runtimeConfig.Provider {
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return false
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}
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if payment.MerchantID != "" && runtimeConfig.MerchantID != "" && payment.MerchantID != runtimeConfig.MerchantID {
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return false
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}
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if payment.PaymentConfigID != 0 && runtimeConfig.ID != 0 && payment.PaymentConfigID != runtimeConfig.ID {
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return false
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}
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if payment.PayWay != "" && runtimeConfig.PayWay != "" && normalizePayWay(payment.PayWay) != normalizePayWay(runtimeConfig.PayWay) {
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return false
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}
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if payment.Status == "paying" && paymentCashierExpired(payment) {
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return false
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}
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return true
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}
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// paymentCashierExpired 判断渠道收银台是否已过期，过期后不再复用支付单。
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func paymentCashierExpired(payment model.PaymentOrder) bool {
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if len(payment.RawRequest) == 0 {
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return false
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}
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var raw map[string]string
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if err := json.Unmarshal(payment.RawRequest, &raw); err != nil {
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return false
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}
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deadline := parseChannelTime(raw["order_efficient_time"])
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if deadline == nil {
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return false
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}
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return !timeutil.ShanghaiNow().Before(*deadline)
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}
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// newOrderPayment 创建新的订单支付单，并固化支付方式和支付配置 ID。
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func newOrderPayment(row model.RentalOrder, amountCent int64, req StartPaymentRequest, runtimeConfig runtimePaymentConfig) (model.PaymentOrder, error) {
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paymentNo, err := newPaymentNo()
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if err != nil {
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return model.PaymentOrder{}, err
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}
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payment := model.PaymentOrder{
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PaymentNo: paymentNo,
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OrderID: row.ID,
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OrderNo: row.OrderNo,
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UserID: row.RenterID,
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PaymentConfigID: runtimeConfig.ID,
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Provider: runtimeConfig.Provider,
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MerchantID: runtimeConfig.MerchantID,
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ThirdOrderID: paymentNo,
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ProviderOrderID: "",
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PayWay: firstNonEmpty(req.PayWay, runtimeConfig.PayWay, "ZFBZF"),
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JSPayFlag: firstNonEmpty(req.JSPayFlag, runtimeConfig.JSPayFlag, "2"),
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AmountCent: amountCent,
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BizType: "order_pay",
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Status: "created",
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}
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if runtimeConfig.isMockMode() {
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payment.ProviderOrderID = "MOCK" + paymentNo
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payment.TDCode = "mock://payment/pay/" + paymentNo
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}
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return payment, nil
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}
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