63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
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"""fin_risk_alert 仓储：按状态查预警 + 处置条件更新（防并发，不 commit）。"""
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from __future__ import annotations
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from datetime import datetime
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from sqlalchemy import select, update
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from model.fin_risk_alert import FinRiskAlert
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from repositories.base import BaseRepository
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class FinRiskAlertRepo(BaseRepository):
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model = FinRiskAlert
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async def list_by_status(
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self, status: str | None = None, customer_id: int | None = None
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) -> list[FinRiskAlert]:
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stmt = select(FinRiskAlert)
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if status is not None:
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stmt = stmt.where(FinRiskAlert.status == status)
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if customer_id is not None:
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stmt = stmt.where(FinRiskAlert.customer_id == customer_id)
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stmt = stmt.order_by(FinRiskAlert.id.desc())
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return list((await self.db.scalars(stmt)).all())
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async def conditional_handle(
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self,
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alert_id: int,
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*,
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handler_id: int,
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new_status: str,
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handle_result: str,
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handle_time: datetime,
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) -> bool:
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"""处置预警：条件更新 WHERE id=? AND status='未处理'。
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不 commit，由 service 层事务统一提交。rowcount==0 表示已被他人处置，
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返回 False 供上层提示「已被处理」，避免重复落账/工单/通知。
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"""
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result = await self.db.execute(
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update(FinRiskAlert)
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.where(
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FinRiskAlert.id == alert_id,
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FinRiskAlert.status == "未处理",
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)
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.values(
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status=new_status,
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handler_id=handler_id,
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handle_result=handle_result,
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handle_time=handle_time,
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)
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)
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return result.rowcount > 0
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async def update_status(self, alert_id: int, *, status: str, **fields) -> int:
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"""无条件更新预警状态（放行失败回写「已确认」等场景）。不 commit。"""
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result = await self.db.execute(
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update(FinRiskAlert)
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.where(FinRiskAlert.id == alert_id)
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.values(status=status, **fields)
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)
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return result.rowcount
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