106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
"""Signal Planner 战略分析写回服务。"""
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from __future__ import annotations
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import json
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from typing import Any, Optional
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from sqlalchemy import and_, select
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from sqlalchemy.ext.asyncio import AsyncSession
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from ...models import Signal
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from ...utils.timezone import now_cn_naive
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class SignalStrategicAnalysisService:
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"""收口 Planner 写回逻辑，避免调用链散落裸写。"""
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@staticmethod
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def _as_dict(value: Any) -> dict[str, Any]:
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if isinstance(value, dict):
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return dict(value)
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if isinstance(value, str):
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try:
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parsed = json.loads(value)
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return parsed if isinstance(parsed, dict) else {}
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except Exception:
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return {}
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return {}
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@staticmethod
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def _safe_int(value: Any) -> Optional[int]:
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try:
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return int(str(value).strip())
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except (TypeError, ValueError, AttributeError):
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return None
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@classmethod
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async def merge_and_save(
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cls,
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db: AsyncSession,
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*,
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signal_id: int,
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planner_result: dict[str, Any],
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tenant_id: int,
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) -> Signal | None:
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row = (
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await db.execute(
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select(Signal).where(
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and_(
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Signal.tenant_id == int(tenant_id),
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Signal.id == int(signal_id),
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)
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).limit(1)
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)
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).scalar_one_or_none()
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if row is None:
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return None
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strategic = cls._as_dict(row.strategic_analysis)
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strategic["ai_planner"] = planner_result if isinstance(planner_result, dict) else {}
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strategic["ai_planner_meta"] = {
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"updated_at": now_cn_naive().isoformat(),
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"function_name": "signal_planner_analyze",
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}
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row.strategic_analysis = json.dumps(strategic, ensure_ascii=False)
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row.planner_status = "completed"
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row.planner_analyzed_at = now_cn_naive()
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assignee_user_id = cls._safe_int((planner_result or {}).get("assignee_user_id"))
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row.planner_assignee_user_id = assignee_user_id
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await db.flush()
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return row
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@classmethod
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async def mark_failed(
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cls,
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db: AsyncSession,
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*,
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signal_id: int,
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tenant_id: int,
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reason: str,
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) -> Signal | None:
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row = (
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await db.execute(
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select(Signal).where(
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and_(
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Signal.tenant_id == int(tenant_id),
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Signal.id == int(signal_id),
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)
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).limit(1)
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)
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).scalar_one_or_none()
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if row is None:
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return None
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strategic = cls._as_dict(row.strategic_analysis)
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strategic["ai_planner_error"] = {
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"reason": str(reason or "planner_failed")[:1000],
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"failed_at": now_cn_naive().isoformat(),
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}
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row.strategic_analysis = json.dumps(strategic, ensure_ascii=False)
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row.planner_status = "failed"
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row.planner_analyzed_at = now_cn_naive()
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await db.flush()
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return row
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