Vladless
35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
from aiogram import BaseMiddleware, Bot
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from aiogram.types import CallbackQuery
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from cachetools import TTLCache
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class ThrottlingMiddleware(BaseMiddleware):
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def __init__(self) -> None:
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self.cache = TTLCache(maxsize=10_000, ttl=1.0)
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self.throttle_notice_cache = TTLCache(maxsize=10_000, ttl=1.0)
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async def __call__(self, handler, event, data):
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user_id = event.from_user.id if event.from_user else None
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if user_id is None:
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return await handler(event, data)
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current_count = self.cache.get(user_id, 0)
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if current_count >= 3:
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if (
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isinstance(event, CallbackQuery)
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and user_id not in self.throttle_notice_cache
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):
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self.throttle_notice_cache[user_id] = None
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bot: Bot = data["bot"]
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await bot.answer_callback_query(
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callback_query_id=event.id,
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text="Слишком много запросов! Пожалуйста, подождите...",
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show_alert=False,
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)
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return None
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else:
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self.cache[user_id] = current_count + 1
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return await handler(event, data)
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