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27 lines
724 B
Python
27 lines
724 B
Python
__all__ = ("ThrottlingMiddleware",)
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from typing import Any, Awaitable, Callable, Dict
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from aiogram import BaseMiddleware
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from aiogram.types import Message
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from cachetools import TTLCache # type: ignore
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class ThrottlingMiddleware(BaseMiddleware):
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def __init__(self, time_limit: int | float = 2) -> None:
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self.limit = TTLCache(maxsize=10_000, ttl=time_limit)
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async def __call__(
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self,
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handler: Callable[[Message, Dict[str, Any]], Awaitable[Any]],
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event: Message, # type: ignore
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data: Dict[str, Any],
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) -> Any | None:
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if event.chat.id in self.limit:
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return None
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self.limit[event.chat.id] = None
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return await handler(event, data)
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