fix: 行动方案库统计卡片—补全API+overdue计算

backend/app/api/alerts.py

@@ -1,9 +1,9 @@
 """预警 API"""
-from fastapi import APIRouter, Depends, Query
+from fastapi import APIRouter, Depends, Query, HTTPException
 from sqlalchemy.orm import Session
 from app.database import get_db
 from app.auth_middleware import require_auth, require_role
-from app.models import KPIAlert, OperationLog
+from app.models import KPIAlert, OperationLog, ActionPlan
 import logging
 
 logger = logging.getLogger("cma.alerts")
@@ -24,17 +24,105 @@ def list_alerts(status: str = None, page: int = Query(1, ge=1), db: Session = De
 @router.post("/{alert_id}/resolve")
 def resolve_alert(alert_id: int, data: dict, db: Session = Depends(get_db)):
     alert = db.query(KPIAlert).filter(KPIAlert.id == alert_id).first()
-    if alert:
-        alert.status = "resolved"
-        alert.resolution = data.get("resolution", "")
-        alert.assignee = data.get("assignee", alert.assignee)
-        from datetime import datetime; alert.resolved_at = datetime.now()
+    if not alert:
+        raise HTTPException(404, "预警不存在")
+    alert.status = "resolved"
+    alert.resolution = data.get("resolution", "")
+    alert.assignee = data.get("assignee", alert.assignee)
+    from datetime import datetime; alert.resolved_at = datetime.now()
+    db.commit()
+    db.refresh(alert)
+    return {
+        "message": "已处理",
+        "assignee": alert.assignee,
+        "alert": {c.name: getattr(alert, c.name) for c in KPIAlert.__table__.columns},
+        "suggest_create_action_plan": alert.alert_level == "red",
+    }
+
+
+@router.post("/{alert_id}/process")
+def process_alert(alert_id: int, data: dict, db: Session = Depends(get_db)):
+    """标记预警为处理中"""
+    alert = db.query(KPIAlert).filter(KPIAlert.id == alert_id).first()
+    if not alert:
+        raise HTTPException(404, "预警不存在")
+    if alert.status == "resolved":
+        raise HTTPException(400, "已处理的预警不能重复处理")
+    assignee = data.get("assignee")
+    if not assignee:
+        raise HTTPException(400, "缺少处理人")
+    alert.status = "processing"
+    alert.assignee = assignee
+    db.commit()
+    db.refresh(alert)
+    return {"message": "已标记为处理中", "alert": {c.name: getattr(alert, c.name) for c in KPIAlert.__table__.columns}}
+
+
+@router.post("/{alert_id}/escalate")
+def escalate_alert(alert_id: int, data: dict, db: Session = Depends(get_db)):
+    """升级预警级别"""
+    alert = db.query(KPIAlert).filter(KPIAlert.id == alert_id).first()
+    if not alert:
+        raise HTTPException(404, "预警不存在")
+    assignee = data.get("assignee")
+    if not assignee:
+        raise HTTPException(400, "缺少处理人")
+    if alert.status == "resolved":
+        raise HTTPException(400, "已处理的预警不能升级")
+    if alert.alert_level != "red":
+        alert.alert_level = "red"
+        alert.assignee = assignee
         db.commit()
-    return {"message": "已处理", "assignee": alert.assignee}
+        db.refresh(alert)
+    return {"message": "已升级", "alert": {c.name: getattr(alert, c.name) for c in KPIAlert.__table__.columns}}
+
+
+@router.get("/check-timeout")
+def check_alert_timeout(db: Session = Depends(get_db)):
+    """超时预警检测 — 超过24小时未处理的pending预警自动升级为红色"""
+    from datetime import datetime, timedelta
+    cutoff = datetime.now() - timedelta(hours=24)
+    timeout_alerts = db.query(KPIAlert).filter(
+        KPIAlert.status == "pending",
+        KPIAlert.created_at < cutoff,
+        KPIAlert.alert_level != "red",
+    ).all()
+    upgraded_count = 0
+    for alert in timeout_alerts:
+        alert.alert_level = "red"
+        alert.status = "processing"
+        upgraded_count += 1
+    if upgraded_count:
+        db.commit()
+    return {"total_timeout": len(timeout_alerts), "upgraded_count": upgraded_count}
+
+
+@router.post("/{alert_id}/create-action-plan")
+def create_action_plan_from_alert(alert_id: int, data: dict, db: Session = Depends(get_db)):
+    """从预警创建改善行动计划"""
+    alert = db.query(KPIAlert).filter(KPIAlert.id == alert_id).first()
+    if not alert:
+        raise HTTPException(404, "预警不存在")
+    if alert.action_plan_linked_id:
+        raise HTTPException(400, "已关联改善计划")
+    plan = ActionPlan(
+        alert_id=alert.id,
+        kpi_id=alert.kpi_id,
+        title=f"改善: {alert.alert_message}",
+        assignee=data.get("assignee", ""),
+        priority="high" if alert.alert_level == "red" else "medium",
+        created_by=data.get("created_by", ""),
+    )
+    db.add(plan)
+    db.commit()
+    db.refresh(plan)
+    alert.action_plan_linked_id = plan.id
+    db.commit()
+    return {"message": "改善行动计划已创建", "plan_id": plan.id, "priority": plan.priority}
+
 
 # ──────────────────────────────────────────────
 # 功能4: 风险矩阵热力图 (CMA P2 - ERM框架、风险识别四象限)
-# ──────────────────────────────────────────────
 
 RISK_MATRIX_DATA = {
     "hanke": {