from typing import Generator

from sqlalchemy import create_engine
from sqlalchemy.orm import Session, sessionmaker

from app.shared.config import settings

engine = create_engine(settings.DATABASE_URI)

SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


def get_session() -> Generator[Session, None, None]:
    db: Session = SessionLocal()
    try:
        yield db
        db.commit()
    except Exception:
        db.rollback()
    finally:
        db.close()