feat: route接口增加按product获取总图

apps/mtm/views.py

@@ -379,6 +379,16 @@ class RouteViewSet(CustomModelViewSet):
             raise ParseError('该工艺步骤被其他步骤引用，无法删除')
         return super().perform_destroy(instance)
 
+    @action(methods=['post'], detail=False, perms_map={'post': '*'}, serializer_class=Serializer)
+    def dag(self, request, *args, **kwargs):
+        """获取总图
+
+        获取总图
+        """
+        materialId = self.request.data.get('product', None)
+        if materialId is None:
+            raise ParseError('缺少参数product')
+        return Response(Route.get_dag(rqs=Route.objects.filter(material__id=materialId)))
 
 class SruleViewSet(CustomModelViewSet):
     """