集中订单状态常量

backend/internal/modules/order/handoff.go

@@ -18,7 +18,7 @@ func (r *Repository) SubmitHandoff(userID uint64, orderID uint64, req SubmitHand
 		if order.OwnerID != userID {
 			return ErrPermissionDenied
 		}
-		if order.Status != "pending_handoff" || order.HandoffStatus != "pending_owner" {
+		if order.Status != orderStatusPendingHandoff || order.HandoffStatus != handoffStatusPendingOwner {
 			return ErrOrderCannotHandoff
 		}
 		record := model.HandoffRecord{
@@ -31,7 +31,7 @@ func (r *Repository) SubmitHandoff(userID uint64, orderID uint64, req SubmitHand
 		if err := tx.Create(&record).Error; err != nil {
 			return err
 		}
-		order.HandoffStatus = "pending_renter_confirm"
+		order.HandoffStatus = handoffStatusPendingRenterConfirm
 		orderID := order.ID
 		if err := notification.Append(tx, notification.Entry{
 			UserID:  order.RenterID,