ax-backend/app/models/export_record.py

import uuid
from datetime import datetime

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

from app.core.database import Base


class ExportRecord(Base):
    __tablename__ = "export_records"

    id: Mapped[str] = mapped_column(
        String(64),
        primary_key=True,
        default=lambda: f"rec-{uuid.uuid4().hex[:12]}",
    )
    user_id: Mapped[str] = mapped_column(String(128), nullable=False, index=True)
    file_name: Mapped[str] = mapped_column(String(512), nullable=False)
    file_path: Mapped[str] = mapped_column(String(1024), nullable=False)
    file_size: Mapped[int] = mapped_column(BigInteger, nullable=False, default=0)
    download_url: Mapped[str] = mapped_column(String(1024), nullable=False)
    document_id: Mapped[str | None] = mapped_column(String(64), nullable=True)
    style_id: Mapped[str] = mapped_column(String(64), nullable=False, default="default")
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )