fix: add missing wechat push module

qingjian_cs/app/wechat_push.py

@@ -0,0 +1,79 @@
+from __future__ import annotations
+
+import asyncio
+import time
+from datetime import datetime
+from typing import Any
+
+import requests
+
+from .config import WECHAT_WEBHOOK
+
+_last_push: dict[tuple[str, str], tuple[str, str, float]] = {}
+
+
+def _truncate(text: str, max_len: int = 220) -> str:
+    t = str(text or "").strip()
+    if len(t) <= max_len:
+        return t
+    return f"{t[:max_len]}..."
+
+
+def _post_markdown(content: str, timeout_s: int = 6) -> tuple[bool, str]:
+    if not WECHAT_WEBHOOK:
+        return False, "no_webhook"
+    try:
+        payload = {"msgtype": "markdown", "markdown": {"content": content}}
+        resp = requests.post(WECHAT_WEBHOOK, json=payload, timeout=timeout_s)
+        if resp.status_code != 200:
+            return False, f"http_{resp.status_code}"
+        return True, "ok"
+    except Exception as e:
+        return False, str(e)
+
+
+async def push_chat_to_wechat(
+    *,
+    customer_name: str,
+    customer_id: str,
+    acc_id: str,
+    customer_msg: str,
+    reply_msg: str,
+    goods_name: str = "",
+    recent_dialogue: list[dict[str, Any]] | None = None,
+) -> tuple[bool, str]:
+    if not WECHAT_WEBHOOK:
+        return False, "no_webhook"
+
+    key = (str(customer_id or ""), str(acc_id or ""))
+    now = time.time()
+    last = _last_push.get(key)
+    cm = str(customer_msg or "")
+    rm = str(reply_msg or "")
+    if last:
+        lcm, lrm, lts = last
+        if lcm == cm and lrm == rm and (now - lts) < 30:
+            return False, "dedup_30s"
+    _last_push[key] = (cm, rm, now)
+
+    ts = datetime.now().strftime("%H:%M")
+    shop = acc_id or "未知店铺"
+    lines: list[str] = [f"**📩 {ts} | {shop}**"]
+    if goods_name:
+        lines.append(f"**商品** {_truncate(goods_name, 80)}")
+    lines.append(f"**客户** {(customer_name or customer_id or '客户')[:20]} ({customer_id or '-'})")
+    lines.append("")
+
+    for item in (recent_dialogue or [])[-8:]:
+        role = "客户" if str(item.get("role", "")) == "user" else "客服"
+        txt = _truncate(str(item.get("text", "") or ""), 120)
+        if txt:
+            lines.append(f"{role}：{txt}")
+    lines.append(f"客户：{_truncate(cm, 120)}")
+    lines.append(f"客服：{_truncate(rm, 180)}")
+    content = "\n".join(lines)
+    if len(content.encode("utf-8")) > 3800:
+        content = content.encode("utf-8")[:3700].decode("utf-8", errors="ignore") + "\n...(略)"
+
+    return await asyncio.to_thread(_post_markdown, content)
+