from sqlalchemy import create_engine, MetaData
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

from config import settings


engine = create_engine(settings.database_url)
metadata = MetaData(engine)

ModelBase = declarative_base(metadata=metadata)
SessionLocal = sessionmaker(engine, autoflush=False, autocommit=False)


# Dependency
def get_db():
    try:
        db = SessionLocal()
        yield db
    finally:
        db.close()