feat: upgrade客服多店铺分流、批量报价与稳定性防护

utils/metrics_tracker.py

@@ -0,0 +1,104 @@
+# -*- coding: utf-8 -*-
+"""
+轻量指标采集器
+- 事件落盘到 JSONL
+- 提供近 N 小时聚合，给 /api/metrics 使用
+"""
+from __future__ import annotations
+
+import json
+from datetime import datetime, timedelta
+from pathlib import Path
+from typing import Dict, Any
+
+ROOT = Path(__file__).resolve().parent.parent
+METRICS_FILE = ROOT / "config" / ".runtime_metrics.jsonl"
+
+
+def _now_iso() -> str:
+    return datetime.now().isoformat(timespec="seconds")
+
+
+def emit(event: str, **fields: Any):
+    """记录一条事件，失败不抛异常。"""
+    try:
+        METRICS_FILE.parent.mkdir(parents=True, exist_ok=True)
+        payload = {"ts": _now_iso(), "event": event}
+        payload.update(fields or {})
+        with METRICS_FILE.open("a", encoding="utf-8") as f:
+            f.write(json.dumps(payload, ensure_ascii=False) + "\n")
+    except Exception:
+        pass
+
+
+def _iter_recent(hours: int = 24):
+    if not METRICS_FILE.exists():
+        return []
+    cutoff = datetime.now() - timedelta(hours=hours)
+    items = []
+    try:
+        with METRICS_FILE.open("r", encoding="utf-8") as f:
+            for line in f:
+                line = line.strip()
+                if not line:
+                    continue
+                try:
+                    obj = json.loads(line)
+                    ts = datetime.fromisoformat(obj.get("ts", ""))
+                except Exception:
+                    continue
+                if ts >= cutoff:
+                    items.append(obj)
+    except Exception:
+        return []
+    return items
+
+
+def get_runtime_summary(hours: int = 24) -> Dict[str, Any]:
+    """近 N 小时运行指标。"""
+    rows = _iter_recent(hours=hours)
+    counts: Dict[str, int] = {}
+    for r in rows:
+        e = r.get("event", "unknown")
+        counts[e] = counts.get(e, 0) + 1
+
+    inbound = counts.get("inbound_msg", 0)
+    transfer = counts.get("transfer_to_human", 0)
+    quote = counts.get("quote_generated", 0)
+    ai_fail = counts.get("ai_call_failed", 0)
+    gemini_req = counts.get("gemini_request", 0)
+    no_image = counts.get("gemini_no_image", 0)
+
+    return {
+        "window_hours": hours,
+        "counts": counts,
+        "rates": {
+            "transfer_rate": round((transfer / inbound) * 100, 2) if inbound else 0.0,
+            "quote_rate": round((quote / inbound) * 100, 2) if inbound else 0.0,
+            "ai_fail_rate": round((ai_fail / inbound) * 100, 2) if inbound else 0.0,
+            "no_image_rate": round((no_image / gemini_req) * 100, 2) if gemini_req else 0.0,
+        },
+    }
+
+
+def get_dashboard(hours: int = 24) -> Dict[str, Any]:
+    """业务+运行看板聚合。"""
+    runtime = get_runtime_summary(hours=hours)
+    try:
+        from db.deal_outcome_db import get_daily_summary
+        daily = get_daily_summary()
+        deal_ok = int(daily.get("成交数", 0))
+        deal_fail = int(daily.get("未成交数", 0))
+        total = deal_ok + deal_fail
+        conversion = round((deal_ok / total) * 100, 2) if total else 0.0
+    except Exception:
+        deal_ok = deal_fail = 0
+        conversion = 0.0
+    return {
+        "runtime": runtime,
+        "business": {
+            "deal_success": deal_ok,
+            "deal_fail": deal_fail,
+            "conversion_rate": conversion,
+        },
+    }