47 lines
2.0 KiB
Python
47 lines
2.0 KiB
Python
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
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from src.application.abstractions import IUnitOfWork
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from src.application.abstractions.repositories import IUserRepository, ISessionRepository
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from src.application.contracts import ILogger
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from src.infrastructure.database.repositories import UserRepository, SessionRepository
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class UnitOfWork(IUnitOfWork):
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def __init__(self, session_factory: async_sessionmaker[AsyncSession], logger: ILogger):
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self.session_factory = session_factory
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self._session: AsyncSession = None
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self._user_repository: IUserRepository = None
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self._session_repository: ISessionRepository = None
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self._logger: ILogger = logger
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async def __aenter__(self):
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self._logger.debug('UnitOfWork enter')
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self._user_repository = None
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self._session_repository = None
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self._session = self.session_factory()
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return self
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async def __aexit__(self, exc_type, exc_val, exc_tb):
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if exc_type:
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self._logger.error(f'UnitOfWork rollback_on_error exc_type={exc_type.__name__} exc_val={exc_val!r}')
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await self._session.rollback()
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self._logger.debug(f'UnitOfWork session rollback done exc_type={exc_type.__name__}')
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else:
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await self._session.flush()
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await self._session.commit()
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self._logger.debug('UnitOfWork commit')
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await self._session.close()
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self._logger.debug('UnitOfWork exit session closed')
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@property
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def user_repository(self) -> IUserRepository:
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if self._user_repository is None:
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self._user_repository = UserRepository(session=self._session, logger=self._logger)
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return self._user_repository
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@property
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def session_repository(self) -> ISessionRepository:
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if self._session_repository is None:
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self._session_repository = SessionRepository(session=self._session, logger=self._logger)
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return self._session_repository
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