修复退款幂等与补偿重试

backend/internal/modules/payment/notify.go

@@ -5,7 +5,6 @@ import (
 	"gorm.io/gorm"
 	"hfb_sys/backend/internal/model"
 	"log"
-	"time"
 )
 
 func (r *Repository) HandleLeshuaNotify(ctx context.Context, params map[string]string, rawPayload string, contentType string) (*NotifyResult, error) {
@@ -58,30 +57,14 @@ func (r *Repository) HandleRefundNotify(ctx context.Context, provider string, pa
 
 	raw := withNotifyDiagnostic(params, rawPayload, contentType, verify, "verified")
 	status := normalizeNotifyRefundStatus(provider, params["status"])
-	switch status {
-	case "refunded":
-		now := time.Now()
-		if err := r.db.WithContext(ctx).Model(&model.PaymentOrder{}).Where("id = ?", payment.ID).Updates(map[string]any{
-			"status":       "refunded",
-			"paid_at":      now,
-			"notified_at":  now,
-			"raw_response": jsonMap(raw),
-		}).Error; err != nil {
-			return nil, err
-		}
-		_ = r.updateOrderRefundStatus(ctx, payment.OrderID, payment.AmountCent)
-	case "failed":
-		r.db.WithContext(ctx).Model(&model.PaymentOrder{}).Where("id = ?", payment.ID).Updates(map[string]any{
-			"status":       "failed",
-			"notified_at":  time.Now(),
-			"raw_response": jsonMap(raw),
-		})
-		_ = r.markOrderRefundFailed(ctx, payment.OrderID, payment.AmountCent)
-	default:
-		r.db.WithContext(ctx).Model(&model.PaymentOrder{}).Where("id = ?", payment.ID).Updates(map[string]any{
-			"status":       "refunding",
-			"raw_response": jsonMap(raw),
-		})
+	if err := r.applyRefundChannelStatus(ctx, payment, refundChannelStatusUpdate{
+		Status:           status,
+		ProviderRefundID: firstNonEmpty(params["provider_refund_id"], params["leshua_refund_id"]),
+		RefundTime:       params["refund_time"],
+		Raw:              raw,
+		Source:           channelSourceNotify,
+	}); err != nil {
+		return nil, err
 	}
 	return &NotifyResult{OK: true, Message: "000000"}, nil
 }