from sqlalchemy import Column, String, Boolean, DateTime from datetime import datetime from app.db.session import Base class User(Base): __tablename__ = "users" id = Column(String, primary_key=True, index=True) username = Column(String, unique=True, index=True, nullable=False) email = Column(String, unique=True, index=True, nullable=False) hashed_password = Column(String, nullable=False) is_active = Column(Boolean, default=True) is_superuser = Column(Boolean, default=False) created_at = Column(DateTime, default=datetime.utcnow) last_login = Column(DateTime, nullable=True)