30 lines
1.0 KiB
Python
30 lines
1.0 KiB
Python
from datetime import datetime, timedelta
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from sqlalchemy import DateTime, Integer, String
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from sqlalchemy.orm import Mapped, mapped_column, Session
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from app.database import Base
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class HTMLFile(Base):
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__tablename__ = "html_files"
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id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
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unique_id: Mapped[str] = mapped_column(
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String(32), unique=True, index=True, nullable=False
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)
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filename: Mapped[str] = mapped_column(String(255), nullable=False)
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created_at: Mapped[datetime] = mapped_column(
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DateTime, default=datetime.utcnow, nullable=False
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)
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updated_at: Mapped[datetime] = mapped_column(
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DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False
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)
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@classmethod
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def delete_expired_records(cls, db: Session, days: int = 5) -> int:
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"""删除超过指定天数的记录"""
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cutoff_date = datetime.utcnow() - timedelta(days=days)
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deleted = db.query(cls).filter(cls.created_at < cutoff_date).delete()
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db.commit()
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return deleted |