from datetime import datetime

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

from database import Base


class ReferenceFile(Base):
    __tablename__ = "reference_files"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    file_name: Mapped[str] = mapped_column(String(255), default="", comment="原始文件名")
    file_path: Mapped[str] = mapped_column(String(500), default="", comment="MinIO 对象路径")
    file_size: Mapped[int] = mapped_column(Integer, default=0, comment="文件大小")
    content_type: Mapped[str] = mapped_column(String(120), default="", comment="文件类型")
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())