import uuid from datetime import datetime from sqlalchemy import DateTime, String, func from sqlalchemy.dialects.postgresql import UUID from sqlalchemy.orm import Mapped, mapped_column from app.db.base import Base class User(Base): __tablename__ = "users" id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4) username: Mapped[str] = mapped_column(String(64), unique=True, index=True, nullable=False) hashed_password: Mapped[str] = mapped_column(String(255), nullable=False) created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())