from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine, AsyncSession
from sqlalchemy.orm import DeclarativeBase
from app.config import settings


class Base(DeclarativeBase):
    pass


engine = create_async_engine(settings.database_url, future=True)
SessionLocal = async_sessionmaker(engine, expire_on_commit=False, class_=AsyncSession)


async def get_db() -> AsyncSession:
    async with SessionLocal() as session:
        yield session