Vladless
19 lines
538 B
Python
19 lines
538 B
Python
from aiogram import BaseMiddleware
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class SessionMiddleware(BaseMiddleware):
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def __init__(self, sessionmaker):
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self.sessionmaker = sessionmaker
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async def __call__(self, handler, event, data):
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if data.get("session"):
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return await handler(event, data)
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async with self.sessionmaker() as session:
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data["session"] = session
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try:
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return await handler(event, data)
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except Exception:
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await session.rollback()
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raise
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