from sqlalchemy import Column, Integer, String, Boolean, DateTime from sqlalchemy.sql import func 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) description = Column(String(500), nullable=True) completed = Column(Boolean, default=False) created_at = Column(DateTime(timezone=True), server_default=func.now()) updated_at = Column(DateTime(timezone=True), onupdate=func.now())