相关问题优化以及新功能开发

迁移 155- 157

internal/service/refund/service.go

@@ -7,7 +7,6 @@ import (
 	"context"
 	"fmt"
 	"math/rand"
-	"strings"
 	"time"
 
 	"go.uber.org/zap"
@@ -619,11 +618,11 @@ func (s *Service) Resubmit(ctx context.Context, id uint, req *dto.ResubmitRefund
 	}
 	refundVoucherKey := refund.RefundVoucherKey
 	if req.RefundVoucherKey != nil {
-		refundVoucherKey = *req.RefundVoucherKey
-	}
-	refundVoucherKey, err = normalizeRefundVoucherKey(refundVoucherKey)
-	if err != nil {
-		return err
+		normalized, normErr := normalizeRefundVoucherKey(*req.RefundVoucherKey)
+		if normErr != nil {
+			return normErr
+		}
+		refundVoucherKey = normalized
 	}
 
 	order, err := s.orderStore.GetByID(ctx, refund.OrderID)
@@ -914,15 +913,14 @@ func validateApprovedRefundAmount(approvedAmount int64, requestedRefundAmount in
 	return validateRequestedRefundAmountByOrder(approvedAmount, order)
 }
 
-func normalizeRefundVoucherKey(voucherKey string) (string, error) {
-	normalized := strings.TrimSpace(voucherKey)
-	if normalized == "" {
-		return "", errors.New(errors.CodeInvalidParam, "退款申请必须上传退款凭证")
+func normalizeRefundVoucherKey(keys []string) (model.StringJSONBArray, error) {
+	if len(keys) == 0 {
+		return nil, errors.New(errors.CodeInvalidParam, "退款申请必须上传退款凭证")
 	}
-	if len(normalized) > 500 {
-		return "", errors.New(errors.CodeInvalidParam, "退款凭证长度不能超过500")
+	if len(keys) > 5 {
+		return nil, errors.New(errors.CodeInvalidParam, "退款凭证最多上传5个")
 	}
-	return normalized, nil
+	return model.StringJSONBArray(keys), nil
 }
 
 // buildRefundResponse 将退款 Model 转换为 DTO 响应
@@ -949,7 +947,7 @@ func buildRefundResponse(r *model.RefundRequest) *dto.RefundResponse {
 		ActualReceivedAmount:  r.ActualReceivedAmount,
 		RequestedRefundAmount: r.RequestedRefundAmount,
 		ApprovedRefundAmount:  r.ApprovedRefundAmount,
-		RefundVoucherKey:      r.RefundVoucherKey,
+		RefundVoucherKey:      []string(r.RefundVoucherKey),
 		RefundReason:          r.RefundReason,
 		Status:                r.Status,
 		StatusName:            constants.GetRefundStatusName(r.Status),