fix: business cancel service merged

printing/models.py

@@ -517,13 +517,27 @@ class PrintingJob(ModelBase):
     @property
     def billed_quantity(self) -> Decimal:
         """
-        开单数量：所有关联销售明细的数量之和
+        开单数量：所有关联的非作废销售单明细数量之和
         """
-        from business.models import SalesOrderItem
+        from business.models import SalesOrderStatusEnum
 
-        total = self.sales_order_items.aggregate(total=models.Sum('quantity')).get('total')
+        total = self.sales_order_items.exclude(
+            sales_order__status=SalesOrderStatusEnum.CANCELLED,
+        ).aggregate(total=models.Sum('quantity')).get('total')
         return total or Decimal('0')
 
+    @property
+    def is_sales_order_bound(self) -> bool:
+        """是否已被非作废销售单明细绑定。"""
+        from business.models import SalesOrderStatusEnum
+
+        cached = getattr(self, '_is_sales_order_bound_cache', None)
+        if cached is not None:
+            return bool(cached)
+        return self.sales_order_items.exclude(
+            sales_order__status=SalesOrderStatusEnum.CANCELLED,
+        ).exists()
+
     @property
     def status(self) -> str:
         """