fix: 点单端推荐官按UID绑定，二维码进首页且去掉邀请码

扫码参数改为 yaoqingren=UserUID 落地点单首页；海报默认不再复用管事背景；不影响打手端与支付抢单分红。

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

users/services/c_invite.py

@@ -1,11 +1,10 @@
-"""点单端 C 用户邀请：邀请码、换绑、店铺跟随。"""
+"""点单端老板推荐官：按推荐官 UserUID 绑定，店铺跟随。无邀请码。"""
 from django.db import transaction
 from django.db.models import F
 
 from shop.models import Dianpu, YonghuDianpuBangding
 from users.models import YonghuCYaoqing
 from users.business_models import User
-from utils.invitationcode_utils import CreateInvitationCode, VerifyInvitationCode
 
 import logging
 
@@ -13,33 +12,11 @@ logger = logging.getLogger(__name__)
 
 
 def get_or_create_c_yaoqing(user):
-    """获取或创建用户的点单端邀请扩展记录。"""
+    """获取或创建用户的点单端推荐关系记录。"""
     profile, _ = YonghuCYaoqing.objects.get_or_create(user=user)
     return profile
 
 
-def ensure_c_invite_code(user):
-    """确保用户有邀请码，返回 (profile, yaoqingma, is_new)。"""
-    profile = get_or_create_c_yaoqing(user)
-    existing = (profile.yaoqingma or '').strip()
-    if existing:
-        return profile, existing, False
-
-    new_code = CreateInvitationCode(str(user.UserUID))
-    if not VerifyInvitationCode(new_code):
-        raise ValueError('邀请码生成失败')
-
-    # 极低概率冲突时再生成一次
-    if YonghuCYaoqing.query.filter(yaoqingma=new_code).exclude(pk=profile.pk).exists():
-        new_code = CreateInvitationCode(str(user.UserUID) + 'R')
-        if not VerifyInvitationCode(new_code):
-            raise ValueError('邀请码生成失败')
-
-    profile.yaoqingma = new_code
-    profile.save(update_fields=['yaoqingma', 'UpdateTime'])
-    return profile, new_code, True
-
-
 def _unbind_shop(user_locked):
     """解除用户店铺绑定并扣减旧店绑定人数。"""
     binding = (
@@ -60,7 +37,7 @@ def _unbind_shop(user_locked):
 def _bind_shop(user_locked, dianpu_locked):
     """将用户绑定到指定店铺（已存在则换绑）。返回 (changed, msg)。"""
     if dianpu_locked.zhuangtai != 1:
-        return False, '邀请人店铺已被封禁'
+        return False, '推荐官店铺已被封禁'
 
     try:
         existing = YonghuDianpuBangding.objects.select_for_update().get(yonghu=user_locked)
@@ -76,14 +53,14 @@ def _bind_shop(user_locked, dianpu_locked):
 
     dianpu_locked.bangding_yonghushu = F('bangding_yonghushu') + 1
     dianpu_locked.save(update_fields=['bangding_yonghushu'])
-    return True, '店铺已跟随邀请人换绑'
+    return True, '店铺已跟随推荐官换绑'
 
 
 def sync_shop_from_inviter(invitee_user, inviter_user):
     """
-    按邀请人店铺同步被邀请人店铺：
-    - 邀请人有正常店铺 → 被邀请人绑到同一店
-    - 邀请人无店铺 → 被邀请人解绑店铺（回落平台公共商品逻辑）
+    按推荐官店铺同步被推荐人店铺：
+    - 推荐官有正常店铺 → 被推荐人绑到同一店
+    - 推荐官无店铺 → 被推荐人解绑店铺（回落平台公共商品逻辑）
     须在 transaction.atomic 内调用。
     """
     invitee_locked = User.objects.select_for_update().get(UserUUID=invitee_user.UserUUID)
@@ -106,31 +83,32 @@ def sync_shop_from_inviter(invitee_user, inviter_user):
         'shop_synced': False,
         'dianpu_id': None,
         'changed': bool(old_id),
-        'msg': '邀请人未绑定店铺，已解除店铺绑定' if old_id else '邀请人未绑定店铺',
+        'msg': '推荐官未绑定店铺，已解除店铺绑定' if old_id else '推荐官未绑定店铺',
     }
 
 
-def bind_c_inviter_by_code(invitee_user, invite_code):
+def bind_c_inviter_by_uid(invitee_user, inviter_uid):
     """
-    用邀请码绑定/换绑邀请人，并同步店铺。
-    返回 dict: code/msg/data
+    用推荐官 UserUID 绑定/换绑，并同步店铺。
+    扫码参数：yaoqingren / inviterUid（不是邀请码）。
     """
-    code = (invite_code or '').strip()
-    if not code:
-        return {'code': 400, 'msg': '邀请码不能为空', 'data': None}
-    if len(code) > 100:
-        return {'code': 400, 'msg': '邀请码格式错误', 'data': None}
+    uid = (inviter_uid or '').strip()
+    if not uid:
+        return {'code': 400, 'msg': '推荐官ID不能为空', 'data': None}
+    if len(uid) > 20:
+        return {'code': 400, 'msg': '推荐官ID格式错误', 'data': None}
 
     try:
-        inviter_profile = YonghuCYaoqing.query.select_related('user').get(yaoqingma=code)
-    except YonghuCYaoqing.DoesNotExist:
-        return {'code': 404, 'msg': '邀请码无效', 'data': None}
+        inviter = User.query.get(UserUID=uid)
+    except User.DoesNotExist:
+        return {'code': 404, 'msg': '推荐官不存在', 'data': None}
 
-    inviter = inviter_profile.user
     if inviter.UserUID == invitee_user.UserUID:
-        return {'code': 400, 'msg': '不能绑定自己为邀请人', 'data': None}
+        return {'code': 400, 'msg': '不能绑定自己为推荐官', 'data': None}
 
     with transaction.atomic():
+        # 推荐官侧也要有档案，便于计数「我推荐的人」
+        inviter_profile = get_or_create_c_yaoqing(inviter)
         invitee_profile = get_or_create_c_yaoqing(invitee_user)
         invitee_profile = YonghuCYaoqing.objects.select_for_update().get(pk=invitee_profile.pk)
         inviter_profile = YonghuCYaoqing.objects.select_for_update().get(pk=inviter_profile.pk)
@@ -142,7 +120,7 @@ def bind_c_inviter_by_code(invitee_user, invite_code):
             shop_info = sync_shop_from_inviter(invitee_user, inviter)
             return {
                 'code': 200,
-                'msg': '已绑定该邀请人',
+                'msg': '已绑定该推荐官',
                 'data': {
                     'yaoqingren': new_inviter_uid,
                     'rebinding': False,
@@ -150,7 +128,6 @@ def bind_c_inviter_by_code(invitee_user, invite_code):
                 },
             }
 
-        # 换绑：旧邀请人计数 -1，新邀请人 +1
         if old_inviter_uid:
             old_p = (
                 YonghuCYaoqing.objects.select_for_update()
@@ -170,12 +147,12 @@ def bind_c_inviter_by_code(invitee_user, invite_code):
         shop_info = sync_shop_from_inviter(invitee_user, inviter)
 
     logger.info(
-        'C端邀请绑定: invitee=%s inviter=%s old=%s shop=%s',
+        '点单端推荐官绑定: invitee=%s inviter=%s old=%s shop=%s',
         invitee_user.UserUID, new_inviter_uid, old_inviter_uid, shop_info,
     )
     return {
         'code': 200,
-        'msg': '绑定成功' if not old_inviter_uid else '已换绑邀请人',
+        'msg': '绑定成功' if not old_inviter_uid else '已换绑推荐官',
         'data': {
             'yaoqingren': new_inviter_uid,
             'rebinding': bool(old_inviter_uid),