feat: materialbatch也不进行物理删除

apps/inm/services.py

@@ -87,7 +87,10 @@ class InmService:
         material = i.material
         warehouse = i.warehouse
         mb, is_created = MaterialBatch.objects.get_or_create(
-            material=material, warehouse=warehouse, batch=i.batch, defaults={"material": material, "warehouse": warehouse, "count": 0, "batch": i.batch}
+            material=material, 
+            warehouse=warehouse, 
+            batch=i.batch, 
+            defaults={"material": material, "warehouse": warehouse, "count": 0, "batch": i.batch}
         )
         if in_or_out == 1:
             mb.count = mb.count + getattr(i, field)
@@ -107,8 +110,6 @@ class InmService:
             mb.count = mb.count - getattr(i, field)
             if mb.count < 0:
                 raise ParseError("批次库存不足,操作失败")
-            elif mb.count == 0:
-                mb.delete()
             else:
                 mb.save()
         else:

apps/inm/views.py

@@ -45,7 +45,7 @@ class MaterialBatchViewSet(ListModelMixin, CustomGenericViewSet):
     物料批次
     """
     perms_map = {'get': '*'}
-    queryset = MaterialBatch.objects.all()
+    queryset = MaterialBatch.objects.filter(count__gt=0)
     serializer_class = MaterialBatchSerializer
     retrieve_serializer_class = MaterialBatchDetailSerializer
     select_related_fields = ['warehouse', 'material']