from collections.abc import AsyncGenerator

from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine

from app.config import settings

engine = create_async_engine(settings.database_url)
async_session = async_sessionmaker(engine, expire_on_commit=False)


async def get_db() -> AsyncGenerator[AsyncSession]:
    async with async_session() as session:
        yield session