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fix(currency): initialize exchange rate to 0 and improve error logging in purchase checkout

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This commit is contained in:
Chang lue Tsen
2026-01-07 09:35:52 -05:00
parent 58caa497c3
commit 7d84cf858b
3 changed files with 12 additions and 1 deletions
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internal/logic/public/portal/purchaseCheckoutLogic.go
+9
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@@ -51,6 +51,7 @@ func NewPurchaseCheckoutLogic(ctx context.Context, svcCtx *svc.ServiceContext) *
// PurchaseCheckout processes the checkout for an order using the specified payment method
// It validates the order, retrieves payment configuration, and routes to the appropriate payment handler
func (l *PurchaseCheckoutLogic) PurchaseCheckout(req *types.CheckoutOrderRequest) (resp *types.CheckoutOrderResponse, err error) {
// Validate and retrieve order information
orderInfo, err := l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, req.OrderNo)
if err != nil {
@@ -76,6 +77,7 @@ func (l *PurchaseCheckoutLogic) PurchaseCheckout(req *types.CheckoutOrderRequest
// Process EPay payment - generates payment URL for redirect
url, err := l.epayPayment(paymentConfig, orderInfo, req.ReturnUrl)
if err != nil {
l.Logger.Error("[PurchaseCheckout] epay error", logger.Field("error", err.Error()))
return nil, errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "epayPayment error: %v", err.Error())
}
resp = &types.CheckoutOrderResponse{
@@ -274,6 +276,7 @@ func (l *PurchaseCheckoutLogic) epayPayment(config *payment.Payment, info *order
// Convert order amount to CNY using current exchange rate
amount, err = l.queryExchangeRate("CNY", info.Amount)
if err != nil {
l.Logger.Error("[PurchaseCheckout] queryExchangeRate error", logger.Field("error", err.Error()))
return "", err
}
} else {
@@ -381,6 +384,11 @@ func (l *PurchaseCheckoutLogic) queryExchangeRate(to string, src int64) (amount
// Convert cents to decimal amount
amount = float64(src) / float64(100)
// No conversion needed if target currency matches system currency
if to == l.svcCtx.Config.Currency.Unit {
return amount, nil
}
if l.svcCtx.ExchangeRate != 0 && to == "CNY" {
amount = amount * l.svcCtx.ExchangeRate
return amount, nil
@@ -394,6 +402,7 @@ func (l *PurchaseCheckoutLogic) queryExchangeRate(to string, src int64) (amount
// Convert currency if system currency differs from target currency
result, err := exchangeRate.GetExchangeRete(l.svcCtx.Config.Currency.Unit, to, l.svcCtx.Config.Currency.AccessKey, 1)
if err != nil {
l.Logger.Error("[PurchaseCheckout] QueryExchangeRate error", logger.Field("error", err.Error()))
return 0, err
}
l.svcCtx.ExchangeRate = result