app/model/base.py

from datetime import datetime, timezone
from sqlalchemy import Column, DateTime, Integer

from app.engine.postgresdb import Base


class BaseModel:
    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime, default=datetime.now(timezone.utc))
    updated_at = Column(DateTime, default=datetime.now(timezone.utc), onupdate=datetime.now(timezone.utc))