34 lines
1006 B
Python
34 lines
1006 B
Python
import asyncio
|
|
from typing import Dict, List, Union, Callable, Any, Awaitable
|
|
|
|
from aiogram import BaseMiddleware
|
|
from aiogram.types import Message, TelegramObject
|
|
|
|
DEFAULT_DELAY = 0.6
|
|
|
|
|
|
class MediaGroupMiddleware(BaseMiddleware):
|
|
ALBUM_DATA: Dict[str, List[Message]] = {}
|
|
|
|
def __init__(self, delay: Union[int, float] = DEFAULT_DELAY):
|
|
self.delay = delay
|
|
|
|
async def __call__(
|
|
self,
|
|
handler: Callable[[TelegramObject, Dict[str, Any]], Awaitable[Any]],
|
|
event: Message,
|
|
data: Dict[str, Any],
|
|
) -> Any:
|
|
if not event.media_group_id:
|
|
return await handler(event, data)
|
|
|
|
try:
|
|
self.ALBUM_DATA[event.media_group_id].append(event)
|
|
return # Don't propagate the event
|
|
except KeyError:
|
|
self.ALBUM_DATA[event.media_group_id] = [event]
|
|
await asyncio.sleep(self.delay)
|
|
data["album"] = self.ALBUM_DATA.pop(event.media_group_id)
|
|
|
|
return await handler(event, data)
|