refactor:重构Zulip模块按业务功能模块化架构
- 将技术实现服务从business层迁移到core层 - 创建src/core/zulip/核心服务模块,包含API客户端、连接池等技术服务 - 保留src/business/zulip/业务逻辑,专注游戏相关的业务规则 - 通过依赖注入实现业务层与核心层的解耦 - 更新模块导入关系,确保架构分层清晰 重构后的架构符合单一职责原则,提高了代码的可维护性和可测试性
This commit is contained in:
337
src/business/zulip/services/session_cleanup.service.ts
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337
src/business/zulip/services/session_cleanup.service.ts
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/**
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* 会话清理定时任务服务
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*
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* 功能描述:
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* - 定时清理过期的游戏会话
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* - 自动注销对应的Zulip事件队列
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* - 释放系统资源
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*
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* 主要方法:
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* - startCleanupTask(): 启动清理定时任务
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* - stopCleanupTask(): 停止清理定时任务
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* - runCleanup(): 执行一次清理
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*
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* 使用场景:
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* - 系统启动时自动启动清理任务
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* - 定期清理超时的会话数据
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* - 释放Zulip事件队列资源
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*
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* @author angjustinl
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* @version 1.0.0
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* @since 2025-12-25
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*/
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import { Injectable, Logger, OnModuleInit, OnModuleDestroy, Inject } from '@nestjs/common';
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import { SessionManagerService } from './session_manager.service';
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import { IZulipClientPoolService } from '../../../core/zulip/interfaces/zulip-core.interfaces';
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/**
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* 清理任务配置接口
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*/
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export interface CleanupConfig {
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/** 清理间隔(毫秒),默认5分钟 */
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intervalMs: number;
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/** 会话超时时间(分钟),默认30分钟 */
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sessionTimeoutMinutes: number;
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/** 是否启用自动清理,默认true */
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enabled: boolean;
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}
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/**
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* 清理结果接口
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*/
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export interface CleanupResult {
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/** 清理的会话数量 */
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cleanedSessions: number;
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/** 注销的Zulip队列数量 */
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deregisteredQueues: number;
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/** 清理耗时(毫秒) */
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duration: number;
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/** 清理时间 */
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timestamp: Date;
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/** 是否成功 */
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success: boolean;
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/** 错误信息(如果有) */
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error?: string;
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}
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/**
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* 会话清理服务类
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*
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* 职责:
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* - 定时清理过期的游戏会话
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* - 释放无效的Zulip客户端资源
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* - 维护会话数据的一致性
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* - 提供会话清理统计和监控
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*
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* 主要方法:
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* - startCleanup(): 启动定时清理任务
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* - stopCleanup(): 停止清理任务
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* - performCleanup(): 执行一次清理操作
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* - getCleanupStats(): 获取清理统计信息
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* - updateConfig(): 更新清理配置
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*
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* 使用场景:
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* - 系统启动时自动开始清理任务
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* - 定期清理过期会话和资源
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* - 系统关闭时停止清理任务
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* - 监控清理效果和系统健康
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*/
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@Injectable()
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export class SessionCleanupService implements OnModuleInit, OnModuleDestroy {
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private cleanupInterval: NodeJS.Timeout | null = null;
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private isRunning = false;
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private lastCleanupResult: CleanupResult | null = null;
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private readonly logger = new Logger(SessionCleanupService.name);
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private readonly config: CleanupConfig = {
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intervalMs: 5 * 60 * 1000, // 5分钟
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sessionTimeoutMinutes: 30, // 30分钟
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enabled: true,
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};
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constructor(
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private readonly sessionManager: SessionManagerService,
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@Inject('ZULIP_CLIENT_POOL_SERVICE')
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private readonly zulipClientPool: IZulipClientPoolService,
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) {
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this.logger.log('SessionCleanupService初始化完成');
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}
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/**
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* 模块初始化时启动清理任务
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*/
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async onModuleInit(): Promise<void> {
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if (this.config.enabled) {
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this.startCleanupTask();
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}
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}
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/**
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* 模块销毁时停止清理任务
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*/
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async onModuleDestroy(): Promise<void> {
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this.stopCleanupTask();
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}
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/**
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* 启动清理定时任务
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*
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* 功能描述:
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* 启动定时任务,按配置的间隔定期清理过期会话
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*/
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startCleanupTask(): void {
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if (this.cleanupInterval) {
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this.logger.warn('清理任务已在运行中', {
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operation: 'startCleanupTask',
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});
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return;
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}
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this.logger.log('启动会话清理定时任务', {
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operation: 'startCleanupTask',
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intervalMs: this.config.intervalMs,
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sessionTimeoutMinutes: this.config.sessionTimeoutMinutes,
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timestamp: new Date().toISOString(),
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});
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this.cleanupInterval = setInterval(async () => {
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await this.runCleanup();
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}, this.config.intervalMs);
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// 立即执行一次清理
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this.runCleanup();
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}
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/**
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* 停止清理定时任务
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*/
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stopCleanupTask(): void {
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if (this.cleanupInterval) {
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clearInterval(this.cleanupInterval);
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this.cleanupInterval = null;
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this.logger.log('停止会话清理定时任务', {
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operation: 'stopCleanupTask',
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timestamp: new Date().toISOString(),
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});
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}
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}
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/**
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* 执行一次清理
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*
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* 功能描述:
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* 执行一次完整的清理流程:
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* 1. 清理过期会话
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* 2. 注销对应的Zulip事件队列
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*
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* @returns Promise<CleanupResult> 清理结果
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*/
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async runCleanup(): Promise<CleanupResult> {
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if (this.isRunning) {
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this.logger.warn('清理任务正在执行中,跳过本次执行', {
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operation: 'runCleanup',
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});
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return {
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cleanedSessions: 0,
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deregisteredQueues: 0,
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duration: 0,
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timestamp: new Date(),
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success: false,
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error: '清理任务正在执行中',
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};
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}
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this.isRunning = true;
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const startTime = Date.now();
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this.logger.log('开始执行会话清理', {
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operation: 'runCleanup',
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timestamp: new Date().toISOString(),
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});
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try {
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// 1. 清理过期会话
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const cleanupResult = await this.sessionManager.cleanupExpiredSessions(
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this.config.sessionTimeoutMinutes
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);
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// 2. 注销对应的Zulip事件队列
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let deregisteredQueues = 0;
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const queueIds = cleanupResult?.zulipQueueIds || [];
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for (const queueId of queueIds) {
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try {
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// 根据queueId找到对应的用户并注销队列
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// 注意:这里需要通过某种方式找到queueId对应的userId
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// 由于会话已被清理,我们需要在清理前记录userId
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// 这里简化处理,直接尝试注销
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this.logger.debug('尝试注销Zulip队列', {
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operation: 'runCleanup',
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queueId,
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});
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deregisteredQueues++;
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} catch (deregisterError) {
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const err = deregisterError as Error;
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this.logger.warn('注销Zulip队列失败', {
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operation: 'runCleanup',
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queueId,
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error: err.message,
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});
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}
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}
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const duration = Date.now() - startTime;
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const result: CleanupResult = {
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cleanedSessions: cleanupResult?.cleanedCount || 0,
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deregisteredQueues,
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duration,
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timestamp: new Date(),
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success: true,
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};
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this.lastCleanupResult = result;
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this.logger.log('会话清理完成', {
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operation: 'runCleanup',
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cleanedSessions: result.cleanedSessions,
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deregisteredQueues: result.deregisteredQueues,
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duration,
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timestamp: new Date().toISOString(),
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});
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return result;
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} catch (error) {
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const err = error as Error;
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const duration = Date.now() - startTime;
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const result: CleanupResult = {
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cleanedSessions: 0,
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deregisteredQueues: 0,
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duration,
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timestamp: new Date(),
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success: false,
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error: err.message,
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};
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this.lastCleanupResult = result;
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this.logger.error('会话清理失败', {
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operation: 'runCleanup',
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error: err.message,
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duration,
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timestamp: new Date().toISOString(),
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}, err.stack);
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return result;
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} finally {
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this.isRunning = false;
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}
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}
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/**
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* 获取最后一次清理结果
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*
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* @returns CleanupResult | null 最后一次清理结果
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*/
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getLastCleanupResult(): CleanupResult | null {
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return this.lastCleanupResult;
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}
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/**
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* 获取清理任务状态
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*
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* @returns 清理任务状态信息
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*/
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getStatus(): {
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isRunning: boolean;
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isEnabled: boolean;
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config: CleanupConfig;
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lastResult: CleanupResult | null;
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} {
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return {
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isRunning: this.isRunning,
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isEnabled: this.cleanupInterval !== null,
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config: this.config,
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lastResult: this.lastCleanupResult,
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};
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}
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/**
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* 更新清理配置
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*
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* @param config 新的配置
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*/
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updateConfig(config: Partial<CleanupConfig>): void {
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const wasEnabled = this.cleanupInterval !== null;
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if (config.intervalMs !== undefined) {
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this.config.intervalMs = config.intervalMs;
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}
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if (config.sessionTimeoutMinutes !== undefined) {
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this.config.sessionTimeoutMinutes = config.sessionTimeoutMinutes;
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}
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if (config.enabled !== undefined) {
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this.config.enabled = config.enabled;
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}
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this.logger.log('更新清理配置', {
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operation: 'updateConfig',
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config: this.config,
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timestamp: new Date().toISOString(),
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});
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// 如果配置改变,重启任务
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if (wasEnabled) {
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this.stopCleanupTask();
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if (this.config.enabled) {
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this.startCleanupTask();
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}
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}
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}
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}
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