34 lines
1,015 B
Python
34 lines
1,015 B
Python
from contextlib import asynccontextmanager
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from typing import AsyncIterator
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.exc import IntegrityError
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from fooder.repository.user import UserRepository
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from fooder.repository.product import ProductRepository
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from fooder.domain import User, Product
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from fooder.exc import Conflict
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class Repository:
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def __init__(self, session: AsyncSession):
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self.session = session
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self.user = UserRepository(User, session)
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self.product = ProductRepository(Product, session)
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async def commit(self) -> None:
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try:
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await self.session.commit()
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except IntegrityError:
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raise Conflict()
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async def rollback(self) -> None:
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await self.session.rollback()
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@asynccontextmanager
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async def transaction(self) -> AsyncIterator["Repository"]:
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try:
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yield self
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await self.commit()
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except Exception:
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await self.rollback()
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raise
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