初始化项目：添加后端代码、ThinkPHP框架、前端资源
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<?php
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namespace app\common\library\live\message;
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use app\common\model\config\System;
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/**
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* 直播消息服务商管理器
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* 服务商统一由通用设置 live_basic.live_message_type 决定，切换后对所有直播间（含历史直播间）立即生效
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*/
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class Manager
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{
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/**
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* 服务商名称与实现类的映射
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* 新增服务商时在此注册即可
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* @var array
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*/
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protected static $providers = [
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'aodianyun' => \app\common\library\live\message\provider\Aodianyun::class,
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'aliyun' => \app\common\library\live\message\provider\Aliyun::class,
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];
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/**
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* 兼容历史中文值（前端 radio 曾误保存 label）到标准 provider key 的映射
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* @var array
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*/
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protected static $aliasMap = [
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'奥点云消息' => 'aodianyun',
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'奥点云' => 'aodianyun',
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'阿里云消息' => 'aliyun',
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'阿里云' => 'aliyun',
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];
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/**
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* 已实例化的服务商（按 provider 名缓存）
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* @var array
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*/
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protected static $instances = [];
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/**
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* 归一化服务商名称
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* 兼容历史中文值；无效值降级为奥点云
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* @param string|null $providerName
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* @return string
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*/
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public static function normalizeProvider($providerName)
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{
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if (!is_string($providerName) || $providerName === '') {
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return 'aodianyun';
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}
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if (isset(self::$aliasMap[$providerName])) {
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$providerName = self::$aliasMap[$providerName];
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}
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return isset(self::$providers[$providerName]) ? $providerName : 'aodianyun';
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}
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/**
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* 判断消息服务是否已开启
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* 读取 live_basic.live_message_status 配置，"1" 为开启，"0" 为关闭
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* @return bool
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*/
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public static function isMessageEnabled()
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{
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try {
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$config = System::getConfig('live_basic');
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} catch (\Exception $e) {
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return true;
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}
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if (!is_array($config) || !isset($config['live_message_status'])) {
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return true;
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}
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return $config['live_message_status'] !== '0' && $config['live_message_status'] !== 0;
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}
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/**
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* 获取全局配置的服务商名称
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* 统一从 System::getConfig('live_basic')['live_message_type'] 读取
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* @return string
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*/
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public static function getGlobalProviderName()
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{
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try {
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$config = System::getConfig('live_basic');
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} catch (\Exception $e) {
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return 'aodianyun';
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}
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$providerName = (is_array($config) && isset($config['live_message_type'])) ? $config['live_message_type'] : '';
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return self::normalizeProvider($providerName);
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}
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/**
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* 获取服务商实例
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* @param string|null $providerName 服务商名称（aodianyun/aliyun），为空则读取全局配置；非空也会归一化，避免中文值导致错误降级
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* @return ProviderInterface
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*/
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public static function provider($providerName = null)
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{
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if ($providerName === null || $providerName === '') {
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$providerName = self::getGlobalProviderName();
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} else {
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$providerName = self::normalizeProvider($providerName);
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}
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if (!isset(self::$instances[$providerName])) {
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$class = self::$providers[$providerName];
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self::$instances[$providerName] = new $class();
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}
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return self::$instances[$providerName];
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}
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/**
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* 根据课程ID获取服务商实例
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* 服务商由全局配置统一决定，参数保留仅为兼容旧调用签名
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* @param int $courseId 课程ID（保留参数以兼容既有调用）
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* @return ProviderInterface
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*/
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public static function providerByCourseId($courseId)
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{
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return self::provider(self::getGlobalProviderName());
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}
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/**
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* 根据课程ID获取服务商名称
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* 服务商由全局配置统一决定，参数保留仅为兼容旧调用签名
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* @param int $courseId 课程ID（保留参数以兼容既有调用）
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* @return string
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*/
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public static function providerNameByCourseId($courseId)
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{
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return self::getGlobalProviderName();
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}
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/**
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* 注册自定义服务商（便于扩展）
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* @param string $name 服务商名称
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* @param string $class 实现类（必须实现 ProviderInterface）
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* @return void
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*/
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public static function register($name, $class)
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{
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self::$providers[$name] = $class;
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// 清除已缓存实例以便下次使用新注册类
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unset(self::$instances[$name]);
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}
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/**
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* 确保阿里云互动消息群组已创建
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* 用于兼容历史直播间：直播间创建时若不是阿里云模式则未建群，切换到阿里云后需要幂等地补建
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* 已存在的群会被阿里云识别为重复请求（GroupExist / 类似错误码），此处按成功处理
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* @param string $groupId 群组ID（对应 tuzhi_live_room.message_topic）
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* @param string $groupName 群组名称
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* @return bool 是否可用（true=群存在或补建成功；false=补建失败）
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*/
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public static function ensureAliyunGroup($groupId, $groupName = '')
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{
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if (!$groupId) {
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return false;
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}
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try {
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$result = self::provider('aliyun')->createGroup($groupId, $groupName, '');
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if ($result->isSuccess()) {
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return true;
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}
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// 阿里云群组已存在类错误按成功处理，保证幂等
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$error = is_string($result->error) ? $result->error : '';
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if ($error !== '' && (
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stripos($error, 'exist') !== false ||
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stripos($error, 'duplicate') !== false ||
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stripos($error, 'already') !== false
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)) {
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return true;
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}
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\think\Log::error('[live Manager ensureAliyunGroup] createGroup failed: ' . $error . ' group_id=' . $groupId);
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return false;
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} catch (\Exception $e) {
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\think\Log::error('[live Manager ensureAliyunGroup] exception: ' . $e->getMessage() . ' group_id=' . $groupId);
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return false;
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}
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}
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/**
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* 清理已删除课程对应的阿里云互动消息群组
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*
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* 逻辑：
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* 1. 查找 status=-1（已删除）且课程类型为 live 的课程
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* 2. 关联 tuzhi_live_room 获取 message_topic
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* 3. 调用 deleteGroup 删除阿里云端的群组
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* 4. 清空 live_room.message_topic 标记已清理
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*
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* @param int $batchSize 单次最多处理数量，防止超时
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* @param bool $dryRun 仅预览，不实际删除
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* @return array ['deleted' => int, 'failed' => int, 'skipped' => int, 'items' => array]
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*/
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public static function cleanupOrphanGroups($batchSize = 50, $dryRun = false)
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{
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$provider = self::getGlobalProviderName();
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if ($provider !== 'aliyun') {
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return ['deleted' => 0, 'failed' => 0, 'skipped' => 0, 'items' => [], 'msg' => '当前消息服务非阿里云，无需清理'];
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}
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// 查找已删除课程中仍保留 message_topic 的直播间
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$rows = \think\Db::table('tuzhi_live_room r')
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->join('tuzhi_course c', 'c.id = r.course_id', 'LEFT')
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->where('r.message_topic', '<>', '')
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->where('r.message_topic', 'IS NOT NULL')
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->where(function ($q) {
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// 课程已删除 或 课程不存在（孤儿记录）
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$q->where('c.status', -1)->whereOr('c.id', 'IS NULL');
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})
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->limit($batchSize)
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->select(['r.id', 'r.course_id', 'r.message_topic']);
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$deleted = 0;
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$failed = 0;
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$items = [];
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$aliyunProvider = self::provider('aliyun');
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foreach ($rows as $row) {
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$groupId = $row['message_topic'];
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$roomId = $row['id'];
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$courseId = $row['course_id'];
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if ($dryRun) {
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$items[] = ['room_id' => $roomId, 'course_id' => $courseId, 'group_id' => $groupId, 'action' => 'preview'];
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continue;
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}
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try {
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$result = $aliyunProvider->deleteGroup($groupId, 'system-cleanup');
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if ($result->isSuccess()) {
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// 清空 message_topic 标记已清理
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\think\Db::table('tuzhi_live_room')->where('id', $roomId)->update(['message_topic' => '']);
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$deleted++;
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$items[] = ['room_id' => $roomId, 'course_id' => $courseId, 'group_id' => $groupId, 'action' => 'deleted'];
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} else {
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$failed++;
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$items[] = ['room_id' => $roomId, 'course_id' => $courseId, 'group_id' => $groupId, 'action' => 'failed', 'error' => $result->error];
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\think\Log::error('[live Manager cleanupOrphanGroups] deleteGroup failed: ' . $result->error . ' group_id=' . $groupId);
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}
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} catch (\Exception $e) {
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$failed++;
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$items[] = ['room_id' => $roomId, 'course_id' => $courseId, 'group_id' => $groupId, 'action' => 'error', 'error' => $e->getMessage()];
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\think\Log::error('[live Manager cleanupOrphanGroups] exception: ' . $e->getMessage() . ' group_id=' . $groupId);
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}
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}
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return [
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'deleted' => $deleted,
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'failed' => $failed,
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'skipped' => count($rows) - $deleted - $failed,
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'items' => $items,
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];
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}
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}
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