from datetime import datetime from sqlalchemy import Boolean, Column, DateTime, Integer, String, Text from app.db.base import Base class Todo(Base): __tablename__ = "todos" id = Column(Integer, primary_key=True, index=True) title = Column(String(200), nullable=False, index=True) description = Column(Text, nullable=True) completed = Column(Boolean, default=False, nullable=False) created_at = Column(DateTime, default=datetime.utcnow, nullable=False) updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)