fix(users): 修复用户与用户组关系变化时没触发信号

apps/users/api/relation.py

 # -*- coding: utf-8 -*-
 #
 
-from rest_framework_bulk import BulkModelViewSet
 from django.db.models import F
 
+from common.drf.api import JMSBulkRelationModelViewSet
 from common.permissions import IsOrgAdmin
 from .. import serializers
 from ..models import User
@@ -11,17 +11,17 @@ from ..models import User
 __all__ = ['UserUserGroupRelationViewSet']
 
 
-class UserUserGroupRelationViewSet(BulkModelViewSet):
+class UserUserGroupRelationViewSet(JMSBulkRelationModelViewSet):
     filter_fields = ('user', 'usergroup')
     search_fields = filter_fields
     serializer_class = serializers.UserUserGroupRelationSerializer
     permission_classes = (IsOrgAdmin,)
+    m2m_field = User.groups.field
 
     def get_queryset(self):
-        queryset = User.groups.through.objects.all()\
-            .annotate(user_display=F('user__name'))\
-            .annotate(usergroup_display=F('usergroup__name'))
-        return queryset
+        return super().get_queryset().annotate(
+            user_display=F('user__name'), usergroup_display=F('usergroup__name')
+        )
 
     def allow_bulk_destroy(self, qs, filtered):
         if filtered.count() != 1: