32 lines
786 B
Python
32 lines
786 B
Python
from sqlalchemy.exc import SQLAlchemyError
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from app.dao.chat import ChatDAO
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from app.database import async_session_maker
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from app.dao.user import UserDAO
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from app.exceptions import BlackPhoenixException
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class UnitOfWork:
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def __init__(self):
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self.session_factory = async_session_maker
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async def __aenter__(self):
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self.session = self.session_factory()
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self.user = UserDAO(self.session)
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self.chat = ChatDAO(self.session)
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async def __aexit__(self, exc_type, exc, tb):
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try:
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await self.rollback()
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await self.session.close()
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except SQLAlchemyError:
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raise BlackPhoenixException
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if isinstance(exc, SQLAlchemyError):
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raise BlackPhoenixException
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async def commit(self):
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await self.session.commit()
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async def rollback(self):
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await self.session.rollback()
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