fix: business cancel service merged

api_v1/views/printing/views.py

@@ -10,7 +10,7 @@ from rest_framework.permissions import BasePermission
 from rest_framework.permissions import DjangoModelPermissions
 from rest_framework.parsers import MultiPartParser, FormParser, JSONParser
 from django.core.exceptions import ValidationError
-from django.db.models import CharField, Prefetch
+from django.db.models import CharField, Exists, OuterRef, Prefetch
 from django.db.models.functions import Cast, Coalesce
 from django.views.decorators.cache import cache_page
 from django.views.decorators.http import condition
@@ -486,7 +486,16 @@ class PrintingJobViewSet(CustomerVisibilityFilterMixin, LimitedModelViewSet):
         """优化查询"""
         queryset = super().get_queryset()
         if self.action in ["list", "retrieve"]:
+            from business.models import SalesOrderItem, SalesOrderStatusEnum
+
             queryset = queryset.select_related("printing_order", "product")
+            queryset = queryset.annotate(
+                annotated_is_sales_order_bound=Exists(
+                    SalesOrderItem.objects.filter(
+                        printing_job_id=OuterRef("pk"),
+                    ).exclude(sales_order__status=SalesOrderStatusEnum.CANCELLED)
+                )
+            )
             # 预取批量推进记录（避免 serializer 产生 N+1）
             queryset = queryset.prefetch_related(
                 Prefetch(