fix: 统一微信用户定位，修复wechatlogin等UserName(openid)重复1062

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

jituan/services/wechat_login.py

@@ -15,6 +15,7 @@ from jituan.services.club_user import (
     ensure_user_club_id,
     ensure_wx_openid_binding,
     find_user_by_wx_openid,
+    resolve_or_create_wx_user,
 )
 from users.business_models import User
 from users.models import UserBoss, UserDashou, UserGuanshi, UserShangjia, UserZuzhang, UserShenheguan
@@ -138,34 +139,14 @@ def login_or_register_by_club(code, club_id=None, app_id=None, client_ip=''):
                 user = User.objects.filter(UserUID=binding.yonghuid).first()
 
         if not user:
-            user = find_user_by_wx_openid(resolved_club_id, openid)
-            if user:
-                ensure_wx_openid_binding(resolved_club_id, openid, user, unionid)
-
-        if not user:
-            user_uuid = uuid.uuid4().bytes
-            new_uid = _generate_user_uid()
-            user = User(
-                UserUUID=user_uuid,
-                UserUID=new_uid,
-                UserName=openid,
-                OpenID=openid if resolved_club_id == CLUB_ID_DEFAULT else None,
-                UnionID=unionid or None,
-                ClubID='',
+            user, created = resolve_or_create_wx_user(
+                resolved_club_id, openid, _generate_user_uid, unionid=unionid,
             )
-            try:
-                from django.db import IntegrityError
-                user.save()
-            except IntegrityError:
-                user = find_user_by_wx_openid(resolved_club_id, openid)
-                if not user:
-                    raise
-                ensure_wx_openid_binding(resolved_club_id, openid, user, unionid)
-            else:
-                created = True
+            if created:
                 _ensure_boss_profile(user)
                 _ensure_consumer_role(user)
-                ensure_wx_openid_binding(resolved_club_id, openid, user, unionid)
+        else:
+            ensure_wx_openid_binding(resolved_club_id, openid, user, unionid)
 
         if unionid and unionid != (user.UnionID or ''):
             user.UnionID = unionid