[Update] 修改用户和用户组关系发生变化时，刷新权限

apps/users/signals_handler.py

@@ -2,11 +2,11 @@
 #
 
 from django.dispatch import receiver
-# from django.db.models.signals import post_save
+from django.db.models.signals import post_save, m2m_changed
 
 from common.utils import get_logger
 from .signals import post_user_create
-# from .models import User
+from .models import User
 
 logger = get_logger(__file__)
 
@@ -28,3 +28,14 @@ def on_user_create(sender, user=None, **kwargs):
     logger.info("   - Sending welcome mail ...".format(user.name))
     if user.email:
         send_user_created_mail(user)
+
+
+@receiver(m2m_changed, sender=User.groups.through)
+def on_user_groups_change(sender, instance=None, action='', **kwargs):
+    """
+    资产节点发生变化时，刷新节点
+    """
+    if action.startswith('post'):
+        logger.debug("User group member change signal recv: {}".format(instance))
+        from perms.utils import AssetPermissionUtilV2
+        AssetPermissionUtilV2.expire_all_user_tree_cache()