38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
import uuid
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from datetime import datetime
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from typing import Any
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from sqlalchemy import Boolean, Column, DateTime, String
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from app.timeutil import utc_now_naive
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class TimestampMixin:
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created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
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updated_at = Column(
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DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False
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)
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class SoftDeleteMixin:
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is_deleted = Column(Boolean, default=False, nullable=True)
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deleted_at = Column(DateTime, nullable=True)
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deleted_by = Column(String(50), nullable=True)
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def soft_delete(self, deleted_by_user: str = "system", **_: Any) -> None:
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"""Мягкое удаление сущности.
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Дополнительные аргументы игнорируются, чтобы сохранить совместимость
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с вызовами из легаси-кода (reason, request и т.п.).
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"""
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if self.is_deleted:
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return
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self.is_deleted = True
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self.deleted_at = utc_now_naive()
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self.deleted_by = deleted_by_user
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def default_uuid() -> str:
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return str(uuid.uuid4())
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