Baobhan Sith
86 lines
2.8 KiB
TypeScript
86 lines
2.8 KiB
TypeScript
import { EventEmitter } from 'events';
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// 定义支持的事件类型
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// 这里可以根据 packages/backend/src/locales/zh-CN.json 中的 event 部分来扩展
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export enum AppEventType {
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TestNotification = 'testNotification', // 用于测试
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LoginSuccess = 'LOGIN_SUCCESS',
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LoginFailure = 'LOGIN_FAILURE',
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Logout = 'LOGOUT',
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PasswordChanged = 'PASSWORD_CHANGED',
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TwoFactorEnabled = '2FA_ENABLED',
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TwoFactorDisabled = '2FA_DISABLED',
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ConnectionCreated = 'CONNECTION_CREATED',
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ConnectionUpdated = 'CONNECTION_UPDATED',
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ConnectionDeleted = 'CONNECTION_DELETED',
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ProxyCreated = 'PROXY_CREATED',
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ProxyUpdated = 'PROXY_UPDATED',
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ProxyDeleted = 'PROXY_DELETED',
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TagCreated = 'TAG_CREATED',
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TagUpdated = 'TAG_UPDATED',
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TagDeleted = 'TAG_DELETED',
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SettingsUpdated = 'SETTINGS_UPDATED',
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IpWhitelistUpdated = 'IP_WHITELIST_UPDATED',
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NotificationSettingCreated = 'NOTIFICATION_SETTING_CREATED',
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NotificationSettingUpdated = 'NOTIFICATION_SETTING_UPDATED',
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NotificationSettingDeleted = 'NOTIFICATION_SETTING_DELETED',
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SshConnectSuccess = 'SSH_CONNECT_SUCCESS',
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SshConnectFailure = 'SSH_CONNECT_FAILURE',
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SshShellFailure = 'SSH_SHELL_FAILURE',
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DatabaseMigration = 'DATABASE_MIGRATION',
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AdminSetupComplete = 'ADMIN_SETUP_COMPLETE',
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// 可以根据需要添加更多事件类型
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}
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// 定义事件负载的通用接口，可以根据具体事件扩展
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export interface AppEventPayload {
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userId?: number; // 事件关联的用户 ID（如果适用）
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timestamp: Date; // 事件发生的时间戳
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details?: Record<string, any>; // 事件相关的具体数据
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[key: string]: any; // 允许其他任意属性
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}
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class EventService extends EventEmitter {
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constructor() {
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super();
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// 增加监听器数量限制，防止潜在的内存泄漏警告
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this.setMaxListeners(50);
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}
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/**
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* 触发一个应用事件
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* @param eventType 事件类型
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* @param payload 事件负载数据
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*/
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emitEvent(eventType: AppEventType, payload: Omit<AppEventPayload, 'timestamp'>) {
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const fullPayload: AppEventPayload = {
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...payload,
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timestamp: new Date(),
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};
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this.emit(eventType, fullPayload);
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console.log(`Event emitted: ${eventType}`, fullPayload); // 日志记录，方便调试
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}
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/**
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* 注册事件监听器
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* @param eventType 事件类型
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* @param listener 监听函数
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*/
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onEvent(eventType: AppEventType, listener: (payload: AppEventPayload) => void) {
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this.on(eventType, listener);
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}
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/**
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* 移除事件监听器
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* @param eventType 事件类型
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* @param listener 监听函数
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*/
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offEvent(eventType: AppEventType, listener: (payload: AppEventPayload) => void) {
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this.off(eventType, listener);
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}
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}
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// 创建单例
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const eventService = new EventService();
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export default eventService; |