19 lines
885 B
Python
19 lines
885 B
Python
"""附件模型"""
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from sqlalchemy import Column, Integer, String, BigInteger, DateTime, ForeignKey
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from sqlalchemy.sql import func
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from database import Base
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class Attachment(Base):
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__tablename__ = "attachments"
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id = Column(Integer, primary_key=True, index=True)
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post_id = Column(Integer, nullable=True, default=None, index=True) # 新建文章时为null，发布后回填
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user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
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filename = Column(String(255), nullable=False) # 原始文件名
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storage_key = Column(String(500), nullable=False) # COS对象键
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url = Column(String(500), nullable=False) # 完整访问URL
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file_size = Column(BigInteger, nullable=False) # 文件大小（字节）
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file_type = Column(String(100), nullable=False) # MIME类型
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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