refactor(perms): 在动态用户所绑定的授权规则中，如授权给用户组，当用户组增加成员后，动态系统用户下没有相应增加用户，因此也不会自动推送 (#5084) (#5086)

apps/perms/signals_handler.py

@@ -16,6 +16,42 @@ from .models import AssetPermission, RemoteAppPermission
 logger = get_logger(__file__)
 
 
+def handle_rebuild_user_tree(instance, action, reverse, pk_set, **kwargs):
+    if action.startswith('post'):
+        if reverse:
+            create_rebuild_user_tree_task(pk_set)
+        else:
+            create_rebuild_user_tree_task([instance.id])
+
+
+def handle_bind_groups_systemuser(instance, action, reverse, pk_set, **kwargs):
+    """
+    UserGroup 增加 User 时，增加的 User 需要与 UserGroup 关联的动态系统用户相关联
+    """
+    user: User
+
+    if action != POST_ADD:
+        return
+
+    if not reverse:
+        # 一个用户添加了多个用户组
+        users_id = [instance.id]
+        system_users = SystemUser.objects.filter(groups__id__in=pk_set).distinct()
+    else:
+        # 一个用户组添加了多个用户
+        users_id = pk_set
+        system_users = SystemUser.objects.filter(groups__id=instance.pk).distinct()
+
+    for system_user in system_users:
+        system_user.users.add(*users_id)
+
+
+@receiver(m2m_changed, sender=User.groups.through)
+def on_user_groups_change(**kwargs):
+    handle_rebuild_user_tree(**kwargs)
+    handle_bind_groups_systemuser(**kwargs)
+
+
 @receiver([pre_save], sender=AssetPermission)
 def on_asset_perm_deactive(instance: AssetPermission, **kwargs):
     try:
@@ -208,26 +244,3 @@ def on_node_asset_change(action, instance, reverse, pk_set, **kwargs):
         node_pk_set = pk_set
 
     create_rebuild_user_tree_task_by_related_nodes_or_assets.delay(node_pk_set, asset_pk_set)
-
-
-@receiver(m2m_changed, sender=User.groups.through)
-def on_user_groups_change(instance, action, reverse, pk_set, model, **kwargs):
-    """
-    UserGroup 增加 User 时，增加的 User 需要与 UserGroup 关联的动态系统用户相关联
-    """
-    user: User
-
-    if action != POST_ADD:
-        return
-
-    if not reverse:
-        # 一个用户添加了多个用户组
-        users_id = [instance.id]
-        system_users = SystemUser.objects.filter(groups__id__in=pk_set).distinct()
-    else:
-        # 一个用户组添加了多个用户
-        users_id = pk_set
-        system_users = SystemUser.objects.filter(groups__id=instance.pk).distinct()
-
-    for system_user in system_users:
-        system_user.users.add(*users_id)