"""Column helpers shared by every ORM module (kept here to avoid import cycles)."""

from __future__ import annotations

from datetime import datetime

from sqlalchemy import DateTime, String
from sqlalchemy.orm import Mapped, mapped_column

from app.domain.base import new_id, utcnow


def pk() -> Mapped[str]:
    return mapped_column(String(32), primary_key=True, default=new_id)


def created() -> Mapped[datetime]:
    return mapped_column(DateTime(timezone=True), default=utcnow, nullable=False)