backend/app/models/user.py

"""
User ORM Model.

Handles user accounts with secure password storage and profile metadata.
"""

from __future__ import annotations

from datetime import datetime

from sqlalchemy import Boolean, DateTime, Integer, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.database import Base


class User(Base):
    __tablename__ = "users"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    email: Mapped[str] = mapped_column(String(255), unique=True, nullable=False, index=True)
    username: Mapped[str] = mapped_column(String(100), unique=True, nullable=False, index=True)
    hashed_password: Mapped[str] = mapped_column(String(255), nullable=False)
    full_name: Mapped[str] = mapped_column(String(255), nullable=True)
    bio: Mapped[str] = mapped_column(Text, nullable=True)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
    is_admin: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False
    )

    # Relationships
    strategies = relationship("Strategy", back_populates="user", lazy="selectin")
    portfolios = relationship("Portfolio", back_populates="user", lazy="selectin")
    backtest_results = relationship("BacktestResult", back_populates="user", lazy="selectin")
    marketplace_entries = relationship("MarketplaceEntry", back_populates="user", lazy="selectin")
    research_reports = relationship("ResearchReport", back_populates="user", lazy="selectin")
    holdings = relationship("Holding", back_populates="user", lazy="selectin")
    chat_sessions = relationship("ChatSession", back_populates="user", lazy="noload")

    def __repr__(self) -> str:
        return f"<User(id={self.id}, username='{self.username}')>"