models.py

from sqlalchemy import Column, Integer, String, Boolean, ForeignKey, DateTime
from sqlalchemy.sql import func
from database import Base

class User(Base):
    __tablename__ = "users"
    id = Column(Integer, primary_key=True, index=True)
    email = Column(String, unique=True, index=True)
    hashed_password = Column(String)
    created_at = Column(DateTime, server_default=func.now())

class Todo(Base):
    __tablename__ = "todos"
    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"))
    title = Column(String, index=True)
    description = Column(String, nullable=True)
    completed = Column(Boolean, default=False)
    created_at = Column(DateTime, server_default=func.now())