优化结构
This commit is contained in:
Yvan
@@ -1,223 +0,0 @@
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package payment
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"time"
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"kra/internal/biz"
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"github.com/go-pay/gopay"
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"github.com/go-pay/gopay/saobei"
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)
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type saobeiClient interface {
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MiniPay(context.Context, gopay.BodyMap) (*saobei.MiniPayRsp, error)
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BarcodePay(context.Context, gopay.BodyMap) (*saobei.BarcodePayRsp, error)
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Query(context.Context, gopay.BodyMap) (*saobei.QueryRsp, error)
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Refund(context.Context, gopay.BodyMap) (*saobei.RefundRsp, error)
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}
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type saobeiAdapter struct {
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newClient func(map[string]any) (saobeiClient, error)
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}
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func saobeiBarcodeOK(returnCode, resultCode string) bool {
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return saobeiResultOK(returnCode, resultCode)
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}
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func (a *saobeiAdapter) client(c map[string]any) (saobeiClient, error) {
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if a.newClient != nil {
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return a.newClient(c)
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}
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return saobei.NewClient(text(c, "inst_no"), text(c, "key"), text(c, "merchant_no"), text(c, "terminal_id"), text(c, "access_token"), !strings.EqualFold(text(c, "environment"), "sandbox"))
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}
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func (a *saobeiAdapter) Create(ctx context.Context, req *biz.PaymentRequest, c map[string]any) (*biz.PaymentResult, error) {
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if req == nil {
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return nil, errors.New("扫呗支付下单请求为空")
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}
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method, err := saobeiCreateMethod(req.Extra, c)
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if err != nil {
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return nil, err
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}
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client, err := a.client(c)
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if err != nil {
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return nil, err
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}
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now := time.Now().Format("20060102150405")
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bm := gopay.BodyMap{"pay_type": firstAnyOr(req.Extra, "010", "pay_type", "payment_type"), "terminal_ip": req.ClientIP, "terminal_trace": req.TradeNo, "terminal_time": now, "total_fee": req.Amount}
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mergeGoPayExtras(bm, req.Extra, "pay_type", "payment_type", "terminal_ip", "terminal_trace", "terminal_time", "total_fee", "method", "pay_method", "trade_type")
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if method == "barcode" {
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authNo := strings.TrimSpace(firstAny(req.Extra, "auth_no", "auth_code", "authcode", "barcode", "pay_code"))
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if authNo == "" {
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return nil, errors.New("扫呗付款码支付缺少 auth_no")
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}
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bm.Set("auth_no", authNo)
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rsp, callErr := client.BarcodePay(ctx, bm)
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if callErr != nil {
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return nil, callErr
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}
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if rsp == nil || !saobeiBarcodeOK(rsp.ReturnCode, rsp.ResultCode) {
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return nil, fmt.Errorf("扫呗付款码支付失败: %s", firstNonEmpty(rspMap(rsp)["return_msg"], rspMap(rsp)["result_code"]))
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}
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if strings.TrimSpace(rsp.OutTradeNo) == "" {
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return nil, errors.New("扫呗支付下单响应缺少 out_trade_no")
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}
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status := "created"
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if strings.TrimSpace(rsp.ResultCode) == saobei.ResultCodePaying {
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status = "pending"
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}
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return &biz.PaymentResult{Provider: biz.PaymentSaobei, Status: status, TradeNo: req.TradeNo, QueryID: strings.TrimSpace(rsp.OutTradeNo), Payload: mustJSON(rsp)}, nil
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}
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rsp, err := client.MiniPay(ctx, bm)
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if err != nil {
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return nil, err
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}
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if rsp == nil || !saobeiOK(rsp.ReturnCode, rsp.ResultCode) {
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return nil, fmt.Errorf("扫呗支付下单失败: %s", firstNonEmpty(rspMap(rsp)["return_msg"], rspMap(rsp)["result_code"]))
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}
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if strings.TrimSpace(rsp.OutTradeNo) == "" {
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return nil, errors.New("扫呗支付下单响应缺少 out_trade_no")
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}
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return &biz.PaymentResult{Provider: biz.PaymentSaobei, Status: "client_pending", TradeNo: req.TradeNo, QueryID: strings.TrimSpace(rsp.OutTradeNo), Payload: mustJSON(rsp)}, nil
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}
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func saobeiCreateMethod(extra, config map[string]any) (string, error) {
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value := firstAny(extra, "method", "pay_method", "trade_type")
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if value == "" {
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value = firstAny(config, "method", "pay_method", "trade_type")
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}
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normalized := strings.NewReplacer(".", "_", "-", "_", " ", "_").Replace(strings.ToLower(strings.TrimSpace(value)))
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switch normalized {
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case "", "mini", "mini_pay", "miniapp", "mini_app", "mini_program", "miniprogram", "jsapi", "js_api":
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return "mini", nil
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case "barcode", "barcode_pay", "micropay", "micro_pay", "scan", "scan_pay", "pay_code", "payment_code":
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return "barcode", nil
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default:
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return "", fmt.Errorf("扫呗支付不支持的下单方式: %s", value)
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}
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}
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func (a *saobeiAdapter) Query(ctx context.Context, tradeNo string, c map[string]any) (*biz.PaymentResult, error) {
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tradeNo = strings.TrimSpace(tradeNo)
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if tradeNo == "" {
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return nil, errors.New("扫呗支付查单缺少 out_trade_no")
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}
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client, err := a.client(c)
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if err != nil {
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return nil, err
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}
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// terminal_trace is the query request's own trace ID. The durable platform
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// order identity is carried by out_trade_no and comes from PaymentResult.QueryID.
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bm := gopay.BodyMap{"pay_type": firstAnyOr(c, "010", "pay_type", "payment_type"), "terminal_trace": nonce(), "terminal_time": time.Now().Format("20060102150405"), "out_trade_no": tradeNo}
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mergeGoPayConfigExtras(bm, c, "query_extra", "pay_type", "terminal_trace", "terminal_time", "out_trade_no")
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rsp, err := client.Query(ctx, bm)
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if err != nil {
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return nil, err
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}
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if rsp == nil {
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return nil, errors.New("扫呗支付查单响应为空")
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}
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if !saobeiResultOK(rsp.ReturnCode, rsp.ResultCode) {
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return nil, fmt.Errorf("扫呗支付查单失败: %s", firstNonEmpty(rspMap(rsp)["return_msg"], rspMap(rsp)["result_code"]))
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}
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queryID := strings.TrimSpace(tradeNo)
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if responseQueryID := strings.TrimSpace(rsp.OutTradeNo); responseQueryID == "" {
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return nil, errors.New("扫呗支付查单响应缺少 out_trade_no")
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} else if responseQueryID != queryID {
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return nil, errors.New("扫呗支付查单平台订单号不匹配")
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}
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tradeNoResult := strings.TrimSpace(rsp.TerminalTrace)
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if tradeNoResult == "" {
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tradeNoResult = strings.TrimSpace(rsp.PayTrace)
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}
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if tradeNoResult == "" {
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return nil, errors.New("扫呗支付查单响应缺少商户订单号")
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}
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status := normalizeSaobeiState(rsp.TradeState)
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if strings.TrimSpace(rsp.ResultCode) == saobei.ResultCodePaying {
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status = "pending"
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}
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result := &biz.PaymentResult{Provider: biz.PaymentSaobei, Status: status, TradeNo: tradeNoResult, ProviderTradeNo: strings.TrimSpace(rsp.ChannelTradeNo), QueryID: queryID, Payload: mustJSON(rsp), Currency: strings.ToUpper(firstAnyOr(c, "CNY", "currency", "default_currency"))}
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if rsp.TotalFee != "" {
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result.Amount, err = parseIntegerAmount(rsp.TotalFee)
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if err != nil {
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return nil, fmt.Errorf("解析扫呗订单金额: %w", err)
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}
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}
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if rsp.BuyerPayFee != "" {
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result.PayerPaidAmount, err = parseIntegerAmount(rsp.BuyerPayFee)
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if err != nil {
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return nil, fmt.Errorf("解析扫呗买家实付金额: %w", err)
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}
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result.CashPaidAmount = result.PayerPaidAmount
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if result.Amount >= result.PayerPaidAmount {
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result.DiscountAmount = result.Amount - result.PayerPaidAmount
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result.AmountBreakdownKnown = true
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}
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}
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return result, err
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}
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func (a *saobeiAdapter) Refund(ctx context.Context, req *biz.PaymentRefundRequest, c map[string]any) (*biz.PaymentResult, error) {
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if req == nil {
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return nil, errors.New("扫呗支付退款请求为空")
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}
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tradeNo := strings.TrimSpace(req.TradeNo)
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refundNo := strings.TrimSpace(req.RefundNo)
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if tradeNo == "" || refundNo == "" {
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return nil, errors.New("扫呗支付退款缺少商户订单号或退款单号")
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}
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if req.Amount <= 0 {
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return nil, errors.New("扫呗支付退款金额无效")
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}
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client, err := a.client(c)
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if err != nil {
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return nil, err
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}
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outTradeNo := strings.TrimSpace(req.QueryID)
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if outTradeNo == "" {
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outTradeNo = tradeNo
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}
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bm := gopay.BodyMap{"pay_type": firstAnyOr(c, "010", "pay_type", "payment_type"), "terminal_trace": refundNo, "terminal_time": time.Now().Format("20060102150405"), "refund_fee": req.Amount, "out_trade_no": outTradeNo}
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mergeGoPayConfigExtras(bm, c, "refund_extra", "pay_type", "terminal_trace", "terminal_time", "refund_fee", "out_trade_no", "out_refund_no")
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rsp, err := client.Refund(ctx, bm)
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if err != nil {
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return nil, err
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}
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if rsp == nil {
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return nil, errors.New("扫呗支付退款响应为空")
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}
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if !saobeiResultOK(rsp.ReturnCode, rsp.ResultCode) {
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return nil, fmt.Errorf("扫呗支付退款失败: %s", firstNonEmpty(rspMap(rsp)["return_msg"], rspMap(rsp)["result_code"]))
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}
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if responseOrderID := strings.TrimSpace(rsp.OutTradeNo); responseOrderID != "" && responseOrderID != outTradeNo {
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return nil, errors.New("扫呗支付退款响应平台订单号不匹配")
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}
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returnedTrace := strings.TrimSpace(rsp.TerminalTrace)
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if returnedTrace == "" {
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return nil, errors.New("扫呗支付退款响应缺少 terminal_trace")
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}
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if returnedTrace != refundNo {
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return nil, errors.New("扫呗支付退款响应的 terminal_trace 不匹配")
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}
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providerRefundID := strings.TrimSpace(rsp.OutRefundNo)
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if providerRefundID == "" {
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return nil, errors.New("扫呗支付退款响应缺少 out_refund_no")
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}
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refundAmount, err := parseIntegerAmount(rsp.RefundFee)
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if err != nil {
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return nil, fmt.Errorf("解析扫呗退款金额: %w", err)
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}
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if refundAmount != req.Amount {
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return nil, errors.New("扫呗支付退款响应金额不匹配")
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}
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return &biz.PaymentResult{Provider: biz.PaymentSaobei, Status: "pending", TradeNo: tradeNo, ProviderTradeNo: providerRefundID, Amount: refundAmount, Currency: strings.ToUpper(req.Currency), Payload: mustJSON(rsp)}, nil
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}
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func (a *saobeiAdapter) Callback(_ context.Context, _ *biz.PaymentCallback, _ map[string]any) (*biz.PaymentResult, error) {
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return nil, errors.New("扫呗支付回调没有可复用的 GoPay 验签器，请改用主动查单")
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}
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