fix: 扫码注册按俱乐部微信配置换openid，Referer识别小程序

Co-authored-by: Cursor <cursoragent@cursor.com>

jituan/services/club_resolver.py

@@ -1,5 +1,7 @@
 """俱乐部微信配置与 openid 解析。"""
 import logging
+import re
+
 import requests
 from django.conf import settings
 
@@ -8,6 +10,8 @@ from jituan.models import Club
 
 logger = logging.getLogger(__name__)
 
+_REFERER_APPID_RE = re.compile(r'servicewechat\.com/(wx[0-9a-fA-F]+)/', re.I)
+
 
 def resolve_club_by_appid(app_id):
     if not app_id:
@@ -38,6 +42,45 @@ def get_club_wx_credentials(club_id):
     return '', '', club
 
 
+def resolve_club_id_for_wechat_request(request):
+    """
+    小程序请求解析 club_id（登录/扫码注册）。
+    优先级：X-Club-Id > body.appId > Referer 内 wx appid > 默认 xq。
+    老端 fighter.js 的 wdlyhdl 未带头时，靠 Referer 识别星之界等俱乐部。
+    """
+    from jituan.services.club_context import resolve_club_id_from_request
+
+    header = (request.META.get('HTTP_X_CLUB_ID') or '').strip()
+    if not header and hasattr(request, 'headers'):
+        header = (request.headers.get('X-Club-Id') or '').strip()
+    if header:
+        return header
+
+    app_id = ''
+    data = getattr(request, 'data', None) or {}
+    if isinstance(data, dict):
+        app_id = (data.get('appId') or data.get('app_id') or '').strip()
+
+    if not app_id:
+        referer = request.META.get('HTTP_REFERER', '') or ''
+        matched = _REFERER_APPID_RE.search(referer)
+        if matched:
+            app_id = matched.group(1)
+
+    if app_id:
+        club = resolve_club_by_appid(app_id)
+        if club:
+            return club.club_id
+
+    return resolve_club_id_from_request(request)
+
+
+def wechat_jscode2session_for_request(request, code):
+    """按请求上下文换取 openid（多俱乐部小程序）。"""
+    club_id = resolve_club_id_for_wechat_request(request)
+    return jscode2session(code, club_id=club_id)
+
+
 def jscode2session(code, club_id=None, app_id=None):
     """
     按俱乐部微信配置换取 openid。

jituan/services/invite_guard.py

@@ -1,5 +1,5 @@
 """邀请码 / 邀请链俱乐部隔离。"""
-from jituan.services.club_context import resolve_club_id_from_request
+from jituan.services.club_resolver import resolve_club_id_for_wechat_request
 from jituan.services.club_user import get_user_club_id
 
 
@@ -9,7 +9,7 @@ def assert_invite_same_club(request, inviter_user, invitee_user=None):
     现网全部 xq 时行为与改造前一致。
     返回 (ok, message)
     """
-    club_id = resolve_club_id_from_request(request)
+    club_id = resolve_club_id_for_wechat_request(request)
     inviter_club = get_user_club_id(inviter_user)
     if inviter_club != club_id:
         return False, '邀请码不属于当前小程序俱乐部'