fix: merchant not required at customer create api

api_v1/views/printing/views.py

@@ -426,7 +426,48 @@ class PrintingJobViewSet(CustomerVisibilityFilterMixin, LimitedModelViewSet):
                 )
             )
         return queryset
-    
+
+    @staticmethod
+    def _attach_saleitems_cache(jobs):
+        if not jobs:
+            return
+
+        from shipment.models import SalesItem
+
+        job_ids = [job.id for job in jobs]
+        saleitems = list(
+            SalesItem.objects.select_related('shipment', 'created_by')
+            .filter(printing_job_id__in=job_ids)
+            .order_by('id')
+        )
+
+        items_by_job_id = {job_id: [] for job_id in job_ids}
+        for item in saleitems:
+            items_by_job_id.setdefault(item.printing_job_id, []).append(item)
+
+        for job in jobs:
+            job._saleitems_cache = items_by_job_id.get(job.id, [])
+
+    def list(self, request, *args, **kwargs):
+        queryset = self.filter_queryset(self.get_queryset())
+
+        page = self.paginate_queryset(queryset)
+        if page is not None:
+            self._attach_saleitems_cache(page)
+            serializer = self.get_serializer(page, many=True)
+            return self.get_paginated_response(serializer.data)
+
+        jobs = list(queryset)
+        self._attach_saleitems_cache(jobs)
+        serializer = self.get_serializer(jobs, many=True)
+        return Response(serializer.data)
+
+    def retrieve(self, request, *args, **kwargs):
+        instance = self.get_object()
+        self._attach_saleitems_cache([instance])
+        serializer = self.get_serializer(instance)
+        return Response(serializer.data)
+
     def destroy(self, request, *args, **kwargs):
         """禁用删除操作"""
         return Response(