Fixed group add event

middlewares/test_state_middleware.py

@@ -3,6 +3,7 @@ import logging
 
 from vkwave.bots import BaseMiddleware, BotEvent, MiddlewareResult, SimpleBotEvent, Storage
 from vkwave.bots.storage.types import Key
+from vkwave.types.bot_events import MessageNewObject
 
 from db import DB, Candidate
 from util.redis_db import RedisDB
@@ -12,7 +13,11 @@ storage = Storage()
 
 class TestStateMiddleware(BaseMiddleware):
     async def pre_process_event(self, event: BotEvent) -> MiddlewareResult:
-        user_id = event.object.object.message.from_id
+        if isinstance(event.object.object, MessageNewObject):
+            user_id = event.object.object.message.from_id
+        else:
+            return MiddlewareResult(True)
+
         redis_test_state = RedisDB().get_state(user_id)
         logging.debug(event.object.object.message.payload)
         payload_json = json.loads(event.object.object.message.payload) if event.object.object.message.payload else {}