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

DATABASE_URL = settings.database_url
engine = create_async_engine(DATABASE_URL, echo=False)
SessionLocal = async_sessionmaker(bind=engine, class_=AsyncSession, expire_on_commit=False)

async def get_db():
    async with SessionLocal() as session:
        try:
            yield session
        finally:
            await session.close()