Files

35 lines
1.2 KiB
Python

from aiogram import BaseMiddleware, Bot
from aiogram.types import CallbackQuery
from cachetools import TTLCache
class ThrottlingMiddleware(BaseMiddleware):
def __init__(self) -> None:
self.cache = TTLCache(maxsize=50_000, ttl=1.0)
self.throttle_notice_cache = TTLCache(maxsize=50_000, ttl=1.0)
async def __call__(self, handler, event, data):
if not isinstance(event, CallbackQuery):
return await handler(event, data)
user_id = event.from_user.id if event.from_user else None
if user_id is None:
return await handler(event, data)
key = (user_id, event.data or "")
current_count = self.cache.get(key, 0)
if current_count >= 2:
if key not in self.throttle_notice_cache:
self.throttle_notice_cache[key] = None
bot: Bot = data["bot"]
await bot.answer_callback_query(
callback_query_id=event.id,
text="Слишком много нажатий, подождите...",
show_alert=False,
)
return
self.cache[key] = current_count + 1
return await handler(event, data)