完善权限缓存与监控指标

backend/app/api/v1/permission_monitoring.py

@@ -8,7 +8,7 @@ from typing import Annotated
 from fastapi import APIRouter, Depends, status
 
 from app.core.deps import get_current_user
-from app.core.permission_monitor import get_permission_monitor
+from app.core.permission_monitor import evaluate_permission_system_health, get_permission_monitor
 
 router = APIRouter(prefix="/permission-monitoring", tags=["permission-monitoring"])
 
@@ -98,37 +98,4 @@ async def permission_system_health(
     metrics = monitor.get_metrics()
     cache_stats = monitor.get_cache_stats()
 
-    # 计算健康分数
-    check_metrics = metrics["check_metrics"]
-    cache_metrics = metrics["cache_metrics"]
-
-    health_score = 100
-    issues = []
-
-    # 检查错误率
-    if check_metrics["error_rate"] > 1:
-        health_score -= 20
-        issues.append("权限检查错误率过高")
-
-    # 检查缓存命中率
-    if cache_metrics["hit_rate"] < 50:
-        health_score -= 10
-        issues.append("缓存命中率过低")
-
-    # 检查平均响应时间
-    if check_metrics["avg_time"] > 0.01:  # 10ms
-        health_score -= 10
-        issues.append("权限检查响应时间过长")
-
-    # 检查拒绝率
-    if check_metrics["deny_rate"] > 50:
-        health_score -= 5
-        issues.append("权限拒绝率过高")
-
-    return {
-        "status": "healthy" if health_score >= 80 else "degraded" if health_score >= 50 else "unhealthy",
-        "health_score": max(0, health_score),
-        "issues": issues,
-        "metrics": metrics,
-        "cache_stats": cache_stats,
-    }
+    return evaluate_permission_system_health(metrics, cache_stats)