init: 管理会计OS初始代码

包含前后端完整代码： - 前端：Vue3+Vite+ElementPlus - 后端：FastAPI+SQLAlchemy - 模块：驾驶舱/KPI/战略地图/预警/预算/成本/预测/改善行动 - 当前版本：v1.0.0
2026-05-28 17:32:22 +08:00
commit 3dddd36866
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+"""预警规则配置"""
+from fastapi import APIRouter, Depends, HTTPException, Query
+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, KPIDefinition, KPIValue
+
+router = APIRouter(prefix="/api/cma/alert-rules", tags=["预警规则"],
+    dependencies=[Depends(require_role("ceo", "finance"))],
+)
+
+@router.get("")
+def list_rules(kpi_id: int = None, db: Session = Depends(get_db)):
+    """获取预警规则（从KPI定义中读取阈值配置）"""
+    query = db.query(KPIDefinition).filter(KPIDefinition.status == "active")
+    if kpi_id:
+        query = query.filter(KPIDefinition.id == kpi_id)
+    rules = []
+    for k in query.all():
+        if k.threshold_green or k.threshold_yellow or k.threshold_red:
+            rules.append({
+                "kpi_id": k.id,
+                "kpi_name": k.kpi_name,
+                "threshold_green": k.threshold_green,
+                "threshold_yellow": k.threshold_yellow,
+                "threshold_red": k.threshold_red,
+            })
+    return {"data": rules}
+
+@router.post("/check/{kpi_id}")
+def check_alert(kpi_id: int, db: Session = Depends(get_db)):
+    """检查指定KPI是否需要触发预警"""
+    kpi = db.query(KPIDefinition).filter(KPIDefinition.id == kpi_id).first()
+    if not kpi:
+        raise HTTPException(404, "KPI不存在")
+    
+    latest = db.query(KPIValue).filter(KPIValue.kpi_id == kpi_id).order_by(KPIValue.period.desc()).first()
+    if not latest or not latest.actual_value:
+        return {"alert": False, "message": "无数据"}
+    
+    val = latest.actual_value
+    level = "green"
+    
+    # 简单阈值判定
+    red = kpi.threshold_red
+    yellow = kpi.threshold_yellow
+    
+    # 红灯判断: <3000000 表示低于300万触发红灯
+    if red:
+        if "<" in red:
+            limit = float(red.split("<")[1].strip())
+            if val < limit: level = "red"
+        elif ">" in red:
+            limit = float(red.split(">")[1].strip())
+            if val > limit: level = "red"
+    
+    # 黄灯判断（红灯未触发时）
+    if level == "green" and yellow:
+        if "<" in yellow:
+            limit = float(yellow.split("<")[1].strip())
+            if val < limit: level = "yellow"
+        elif ">" in yellow:
+            limit = float(yellow.split(">")[1].strip())
+            if val > limit: level = "yellow"
+    
+    if level != "green":
+        alert = KPIAlert(
+            kpi_id=kpi_id, kpi_value_id=latest.id,
+            alert_level=level,
+            alert_message=f"{kpi.kpi_name}当前值为{val}，触发{level}预警",
+        )
+        db.add(alert)
+        db.commit()
+        return {"alert": True, "level": level, "message": alert.alert_message}
+    
+    return {"alert": False, "level": "green", "message": "正常"}