fix: DISABLE_SERVER_SIDE_CURSORS

shipment/services.py

@@ -207,6 +207,49 @@ def modify_status(
     return shipment
 
 
+@transaction.atomic
+def update_shipment(
+    shipment: Shipment,
+    *,
+    customer_id: int | None = None,
+    shipment_date=None,
+    area: str | None = None,
+    remark: str | None = None,
+    external_id: str | None = None,
+) -> Shipment:
+    """
+    更新出货单业务数据。
+
+    说明：
+    - 仅允许在草稿状态下修改
+    - 不处理状态变更
+    """
+    from basic_info.models import Customer
+
+    if shipment.status != ShipmentStatus.DRAFT:
+        raise ValueError("仅草稿状态的出货单允许修改")
+
+    if customer_id is not None:
+        customer = Customer.objects.filter(id=customer_id).first()
+        if customer is None:
+            raise ValueError(f"客户 {customer_id} 不存在")
+        if customer.merchant_id != shipment.merchant_id:
+            raise ValueError("无权限绑定该客户")
+        shipment.customer = customer
+
+    if shipment_date is not None:
+        shipment.shipment_date = shipment_date
+    if area is not None:
+        shipment.area = (area or "").strip()
+    if remark is not None:
+        shipment.remark = remark or ""
+    if external_id is not None:
+        shipment.external_id = (external_id or "").strip() or None
+
+    shipment.save()
+    return shipment
+
+
 @transaction.atomic
 def create_shipment(
     customer_id: int,