from __future__ import annotations from datetime import datetime from sqlalchemy import String, DateTime from sqlalchemy.orm import Mapped, mapped_column from adapters.db.session import Base class Captcha(Base): __tablename__ = "captchas" id: Mapped[str] = mapped_column(String(40), primary_key=True) code_hash: Mapped[str] = mapped_column(String(128), nullable=False) expires_at: Mapped[datetime] = mapped_column(DateTime, nullable=False) attempts: Mapped[int] = mapped_column(default=0, nullable=False) created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, nullable=False)