25 lines
669 B
Python
25 lines
669 B
Python
from collections.abc import Awaitable, Callable
|
|
from typing import Any
|
|
|
|
from aiogram import BaseMiddleware
|
|
from aiogram.types import Message
|
|
from cachetools import TTLCache
|
|
|
|
|
|
class ThrottlingMiddleware(BaseMiddleware):
|
|
def __init__(self, time_limit: float = 2) -> None:
|
|
self.limit = TTLCache(maxsize=10_000, ttl=time_limit)
|
|
|
|
async def __call__(
|
|
self,
|
|
handler: Callable[[Message, dict[str, Any]], Awaitable[Any]],
|
|
event: Message,
|
|
data: dict[str, Any],
|
|
) -> Any | None:
|
|
if event.chat.id in self.limit:
|
|
return None
|
|
|
|
self.limit[event.chat.id] = None
|
|
|
|
return await handler(event, data)
|