from sqlalchemy import Boolean, Column, Integer, Text, ForeignKey, DateTime from sqlalchemy.orm import relationship from .base import Base import datetime class User(Base): __tablename__ = 'users' id = Column(Integer, primary_key=True, index=True) username = Column(Text, unique=True, nullable=False) password_hash = Column(Text, nullable=False) admin_id = Column(Integer, ForeignKey('admins.id', ondelete="CASCADE"), nullable=False) is_active = Column(Boolean, default=True) created_at = Column(DateTime, default=datetime.datetime.utcnow) last_seen = Column(DateTime, default=datetime.datetime.utcnow) owner_admin = relationship("Admin", back_populates="users") groups = relationship("GroupMember", back_populates="user", cascade="all, delete-orphan")