47 lines
2.3 KiB
Python
47 lines
2.3 KiB
Python
"""
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文件管理数据模型
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"""
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from datetime import datetime
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from sqlalchemy import Column, BigInteger, String, DateTime, Text, Index, Boolean, ForeignKey
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from sqlalchemy.orm import relationship
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from app.db.base import Base
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class UploadedFile(Base):
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"""上传文件表"""
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__tablename__ = "uploaded_files"
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id = Column(BigInteger, primary_key=True, index=True)
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file_name = Column(String(255), nullable=False, comment="存储文件名(UUID)")
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original_name = Column(String(255), nullable=False, index=True, comment="原始文件名")
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file_path = Column(String(500), nullable=False, comment="文件存储路径")
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file_size = Column(BigInteger, nullable=False, comment="文件大小(字节)")
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file_type = Column(String(100), nullable=False, index=True, comment="文件类型(MIME)")
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file_ext = Column(String(50), nullable=False, comment="文件扩展名")
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uploader_id = Column(BigInteger, ForeignKey("users.id"), nullable=True, comment="上传人ID")
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upload_time = Column(DateTime, default=datetime.utcnow, nullable=False, index=True, comment="上传时间")
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thumbnail_path = Column(String(500), nullable=True, comment="缩略图路径")
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share_code = Column(String(100), nullable=True, unique=True, index=True, comment="分享码")
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share_expire_time = Column(DateTime, nullable=True, index=True, comment="分享过期时间")
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download_count = Column(BigInteger, default=0, comment="下载次数")
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is_deleted = Column(Boolean, default=False, nullable=False, comment="是否删除")
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deleted_at = Column(DateTime, nullable=True, comment="删除时间")
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deleted_by = Column(BigInteger, ForeignKey("users.id"), nullable=True, comment="删除人ID")
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remark = Column(Text, nullable=True, comment="备注")
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created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
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# 关系
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uploader = relationship("User", foreign_keys=[uploader_id])
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deleter = relationship("User", foreign_keys=[deleted_by])
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# 索引
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__table_args__ = (
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Index("idx_uploaded_files_uploader", "uploader_id"),
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Index("idx_uploaded_files_deleted", "is_deleted"),
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)
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def __repr__(self):
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return f"<UploadedFile(id={self.id}, original_name={self.original_name}, file_type={self.file_type})>"
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