service_man/api/infrastructure/dependencies/adapters.py

44 lines
1.3 KiB
Python

from collections.abc import AsyncIterable
from typing import Annotated
from fastapi import Depends
from sqlalchemy.ext.asyncio import (
AsyncEngine,
AsyncSession,
async_sessionmaker,
create_async_engine,
)
from api.application.abstractions.transaction import TransactionContextManager
from api.infrastructure.dependencies.stub import Stub
from api.infrastructure.persistence.transaction import (
SqlalchemyTransactionContextManager,
)
from api.infrastructure.settings import Settings
def get_transaction_context(session: Annotated[AsyncSession, Depends(Stub(AsyncSession))]) -> TransactionContextManager:
return SqlalchemyTransactionContextManager(session)
def create_engine(
settings: Annotated[Settings, Depends(Stub(Settings))],
) -> AsyncEngine:
return create_async_engine(settings.db.db_url)
def create_session_maker(
engine: Annotated[AsyncEngine, Depends(Stub(AsyncEngine))],
) -> async_sessionmaker[AsyncSession]:
return async_sessionmaker(engine, expire_on_commit=False)
async def new_session(
session_maker: Annotated[
async_sessionmaker[AsyncSession],
Depends(Stub(async_sessionmaker[AsyncSession])),
],
) -> AsyncIterable[AsyncSession]:
async with session_maker() as session:
yield session