优化支付退款钱包链路

backend/internal/modules/payment/service.go

@@ -3,11 +3,13 @@ package payment
 import "errors"
 
 var (
-	ErrDependencyUnavailable = errors.New("dependency unavailable")
-	ErrPaymentUnavailable    = errors.New("payment unavailable")
-	ErrPaymentCannotStart    = errors.New("payment cannot start")
-	ErrPaymentVerifyFailed   = errors.New("payment verify failed")
-	ErrPaymentNotFound       = errors.New("payment not found")
+	ErrDependencyUnavailable  = errors.New("dependency unavailable")
+	ErrPaymentUnavailable     = errors.New("payment unavailable")
+	ErrPaymentCannotStart     = errors.New("payment cannot start")
+	ErrPaymentVerifyFailed    = errors.New("payment verify failed")
+	ErrPaymentNotFound        = errors.New("payment not found")
+	ErrRefundCannotStart      = errors.New("refund cannot start")
+	ErrWalletRechargeDisabled = errors.New("wallet recharge disabled")
 )
 
 const MinWalletRechargeAmount = 0.01
@@ -44,10 +46,7 @@ func (s *Service) StartWalletRecharge(userID uint64, req WalletRechargePaymentRe
 	if s.repo == nil {
 		return nil, ErrDependencyUnavailable
 	}
-	if userID == 0 || req.Amount < MinWalletRechargeAmount {
-		return nil, ErrPaymentCannotStart
-	}
-	return s.repo.StartWalletRecharge(userID, req, clientIP)
+	return nil, ErrWalletRechargeDisabled
 }
 
 func (s *Service) QueryWalletRecharge(userID uint64, paymentID uint64) (*PaymentDTO, error) {
@@ -66,3 +65,23 @@ func (s *Service) HandleLeshuaNotify(params map[string]string, rawPayload string
 	}
 	return s.repo.HandleLeshuaNotify(params, rawPayload, contentType)
 }
+
+func (s *Service) StartRefund(orderID uint64, refundAmountCent int64, bizType string, remark string) (*RefundDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	if orderID == 0 || refundAmountCent <= 0 {
+		return nil, ErrRefundCannotStart
+	}
+	return s.repo.StartRefund(orderID, refundAmountCent, bizType, remark)
+}
+
+func (s *Service) QueryRefundStatus(orderID uint64) (*RefundDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	if orderID == 0 {
+		return nil, ErrPaymentNotFound
+	}
+	return s.repo.QueryRefundStatus(orderID)
+}