backend/db/models/user.py

# db/models/user.py
from sqlalchemy import Column, Integer, String, Boolean, ForeignKey, DateTime, UniqueConstraint
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from pgvector.sqlalchemy import Vector

from backend.db.base import Base

class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    email = Column(String, unique=True, index=True, nullable=False)
    username = Column(String, unique=True, index=True, nullable=False)
    hashed_password = Column(String, nullable=False)
    is_active = Column(Boolean, default=True)
    role_id = Column(Integer, ForeignKey("roles.id"), nullable=False)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())

    # Relationships
    role = relationship("Role", back_populates="users")
    comments = relationship("Comment", back_populates="user")
    logs = relationship("Log", back_populates="user")