585 lines
16 KiB
TypeScript
585 lines
16 KiB
TypeScript
/**
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* HTTP API 服务
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* 提供 ChatLab 标准化格式的消息查询 API
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*/
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import * as http from 'http'
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import { URL } from 'url'
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import { chatService, Message } from './chatService'
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import { wcdbService } from './wcdbService'
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import { ConfigService } from './config'
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// ChatLab 格式定义
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interface ChatLabHeader {
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version: string
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exportedAt: number
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generator: string
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description?: string
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}
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interface ChatLabMeta {
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name: string
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platform: string
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type: 'group' | 'private'
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groupId?: string
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groupAvatar?: string
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ownerId?: string
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}
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interface ChatLabMember {
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platformId: string
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accountName: string
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groupNickname?: string
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aliases?: string[]
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avatar?: string
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}
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interface ChatLabMessage {
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sender: string
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accountName: string
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groupNickname?: string
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timestamp: number
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type: number
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content: string | null
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platformMessageId?: string
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replyToMessageId?: string
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}
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interface ChatLabData {
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chatlab: ChatLabHeader
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meta: ChatLabMeta
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members: ChatLabMember[]
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messages: ChatLabMessage[]
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}
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// ChatLab 消息类型映射
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const ChatLabType = {
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TEXT: 0,
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IMAGE: 1,
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VOICE: 2,
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VIDEO: 3,
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FILE: 4,
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EMOJI: 5,
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LINK: 7,
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LOCATION: 8,
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RED_PACKET: 20,
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TRANSFER: 21,
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POKE: 22,
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CALL: 23,
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SHARE: 24,
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REPLY: 25,
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FORWARD: 26,
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CONTACT: 27,
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SYSTEM: 80,
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RECALL: 81,
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OTHER: 99
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} as const
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class HttpService {
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private server: http.Server | null = null
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private configService: ConfigService
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private port: number = 5031
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private running: boolean = false
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private connections: Set<import('net').Socket> = new Set()
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constructor() {
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this.configService = ConfigService.getInstance()
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}
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/**
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* 启动 HTTP 服务
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*/
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async start(port: number = 5031): Promise<{ success: boolean; port?: number; error?: string }> {
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if (this.running && this.server) {
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return { success: true, port: this.port }
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}
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this.port = port
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return new Promise((resolve) => {
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this.server = http.createServer((req, res) => this.handleRequest(req, res))
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// 跟踪所有连接，以便关闭时能强制断开
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this.server.on('connection', (socket) => {
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this.connections.add(socket)
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socket.on('close', () => {
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this.connections.delete(socket)
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})
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})
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this.server.on('error', (err: NodeJS.ErrnoException) => {
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if (err.code === 'EADDRINUSE') {
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console.error(`[HttpService] Port ${this.port} is already in use`)
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resolve({ success: false, error: `Port ${this.port} is already in use` })
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} else {
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console.error('[HttpService] Server error:', err)
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resolve({ success: false, error: err.message })
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}
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})
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this.server.listen(this.port, '127.0.0.1', () => {
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this.running = true
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console.log(`[HttpService] HTTP API server started on http://127.0.0.1:${this.port}`)
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resolve({ success: true, port: this.port })
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})
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})
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}
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/**
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* 停止 HTTP 服务
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*/
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async stop(): Promise<void> {
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return new Promise((resolve) => {
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if (this.server) {
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// 强制关闭所有活动连接
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for (const socket of this.connections) {
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socket.destroy()
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}
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this.connections.clear()
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this.server.close(() => {
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this.running = false
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this.server = null
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console.log('[HttpService] HTTP API server stopped')
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resolve()
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})
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} else {
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this.running = false
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resolve()
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}
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})
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}
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/**
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* 检查服务是否运行
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*/
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isRunning(): boolean {
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return this.running
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}
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/**
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* 获取当前端口
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*/
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getPort(): number {
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return this.port
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}
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/**
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* 处理 HTTP 请求
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*/
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private async handleRequest(req: http.IncomingMessage, res: http.ServerResponse): Promise<void> {
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// 设置 CORS 头
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res.setHeader('Access-Control-Allow-Origin', '*')
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res.setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS')
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res.setHeader('Access-Control-Allow-Headers', 'Content-Type')
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if (req.method === 'OPTIONS') {
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res.writeHead(204)
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res.end()
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return
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}
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const url = new URL(req.url || '/', `http://127.0.0.1:${this.port}`)
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const pathname = url.pathname
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try {
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// 路由处理
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if (pathname === '/health' || pathname === '/api/v1/health') {
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this.sendJson(res, { status: 'ok' })
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} else if (pathname === '/api/v1/messages') {
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await this.handleMessages(url, res)
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} else if (pathname === '/api/v1/sessions') {
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await this.handleSessions(url, res)
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} else if (pathname === '/api/v1/contacts') {
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await this.handleContacts(url, res)
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} else {
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this.sendError(res, 404, 'Not Found')
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}
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} catch (error) {
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console.error('[HttpService] Request error:', error)
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this.sendError(res, 500, String(error))
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}
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}
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/**
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* 处理消息查询
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* GET /api/v1/messages?talker=xxx&limit=100&start=20260101&chatlab=1
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*/
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private async handleMessages(url: URL, res: http.ServerResponse): Promise<void> {
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const talker = url.searchParams.get('talker')
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const limit = parseInt(url.searchParams.get('limit') || '100', 10)
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const offset = parseInt(url.searchParams.get('offset') || '0', 10)
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const startParam = url.searchParams.get('start')
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const endParam = url.searchParams.get('end')
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const chatlab = url.searchParams.get('chatlab') === '1'
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const format = url.searchParams.get('format') || (chatlab ? 'chatlab' : 'json')
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if (!talker) {
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this.sendError(res, 400, 'Missing required parameter: talker')
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return
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}
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// 解析时间参数 (支持 YYYYMMDD 格式)
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const startTime = this.parseTimeParam(startParam)
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const endTime = this.parseTimeParam(endParam, true)
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// 获取消息
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const result = await chatService.getMessages(talker, offset, limit, startTime, endTime, true)
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if (!result.success || !result.messages) {
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this.sendError(res, 500, result.error || 'Failed to get messages')
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return
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}
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if (format === 'chatlab') {
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// 获取会话显示名
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const displayNames = await this.getDisplayNames([talker])
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const talkerName = displayNames[talker] || talker
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const chatLabData = await this.convertToChatLab(result.messages, talker, talkerName)
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this.sendJson(res, chatLabData)
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} else {
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// 返回原始消息格式
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this.sendJson(res, {
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success: true,
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talker,
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count: result.messages.length,
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hasMore: result.hasMore,
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messages: result.messages
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})
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}
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}
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/**
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* 处理会话列表查询
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* GET /api/v1/sessions?keyword=xxx&limit=100
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*/
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private async handleSessions(url: URL, res: http.ServerResponse): Promise<void> {
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const keyword = url.searchParams.get('keyword') || ''
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const limit = parseInt(url.searchParams.get('limit') || '100', 10)
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try {
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const sessions = await chatService.getSessions()
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if (!sessions.success || !sessions.sessions) {
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this.sendError(res, 500, sessions.error || 'Failed to get sessions')
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return
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}
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let filteredSessions = sessions.sessions
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if (keyword) {
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const lowerKeyword = keyword.toLowerCase()
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filteredSessions = sessions.sessions.filter(s =>
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s.username.toLowerCase().includes(lowerKeyword) ||
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(s.displayName && s.displayName.toLowerCase().includes(lowerKeyword))
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)
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}
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// 应用 limit
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const limitedSessions = filteredSessions.slice(0, limit)
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this.sendJson(res, {
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success: true,
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count: limitedSessions.length,
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sessions: limitedSessions.map(s => ({
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username: s.username,
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displayName: s.displayName,
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type: s.type,
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lastTimestamp: s.lastTimestamp,
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unreadCount: s.unreadCount
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}))
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})
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} catch (error) {
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this.sendError(res, 500, String(error))
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}
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}
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/**
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* 处理联系人查询
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* GET /api/v1/contacts?keyword=xxx&limit=100
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*/
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private async handleContacts(url: URL, res: http.ServerResponse): Promise<void> {
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const keyword = url.searchParams.get('keyword') || ''
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const limit = parseInt(url.searchParams.get('limit') || '100', 10)
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try {
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const contacts = await chatService.getContacts()
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if (!contacts.success || !contacts.contacts) {
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this.sendError(res, 500, contacts.error || 'Failed to get contacts')
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return
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}
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let filteredContacts = contacts.contacts
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if (keyword) {
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const lowerKeyword = keyword.toLowerCase()
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filteredContacts = contacts.contacts.filter(c =>
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c.username.toLowerCase().includes(lowerKeyword) ||
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(c.nickname && c.nickname.toLowerCase().includes(lowerKeyword)) ||
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(c.remark && c.remark.toLowerCase().includes(lowerKeyword)) ||
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(c.displayName && c.displayName.toLowerCase().includes(lowerKeyword))
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)
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}
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const limited = filteredContacts.slice(0, limit)
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this.sendJson(res, {
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success: true,
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count: limited.length,
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contacts: limited
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})
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} catch (error) {
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this.sendError(res, 500, String(error))
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}
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}
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/**
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* 解析时间参数
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* 支持 YYYYMMDD 格式，返回秒级时间戳
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*/
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private parseTimeParam(param: string | null, isEnd: boolean = false): number {
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if (!param) return 0
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// 纯数字且长度为8，视为 YYYYMMDD
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if (/^\d{8}$/.test(param)) {
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const year = parseInt(param.slice(0, 4), 10)
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const month = parseInt(param.slice(4, 6), 10) - 1
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const day = parseInt(param.slice(6, 8), 10)
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const date = new Date(year, month, day)
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if (isEnd) {
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// 结束时间设为当天 23:59:59
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date.setHours(23, 59, 59, 999)
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}
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return Math.floor(date.getTime() / 1000)
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}
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// 纯数字，视为时间戳
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if (/^\d+$/.test(param)) {
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const ts = parseInt(param, 10)
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// 如果是毫秒级时间戳，转为秒级
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return ts > 10000000000 ? Math.floor(ts / 1000) : ts
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}
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return 0
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}
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/**
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* 获取显示名称
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*/
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private async getDisplayNames(usernames: string[]): Promise<Record<string, string>> {
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try {
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const result = await wcdbService.getDisplayNames(usernames)
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if (result.success && result.map) {
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return result.map
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}
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} catch (e) {
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console.error('[HttpService] Failed to get display names:', e)
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}
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// 返回空对象，调用方会使用 username 作为备用
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return {}
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}
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/**
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* 转换为 ChatLab 格式
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*/
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private async convertToChatLab(messages: Message[], talkerId: string, talkerName: string): Promise<ChatLabData> {
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const isGroup = talkerId.endsWith('@chatroom')
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const myWxid = this.configService.get('myWxid') || ''
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// 收集所有发送者
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const senderSet = new Set<string>()
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for (const msg of messages) {
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if (msg.senderUsername) {
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senderSet.add(msg.senderUsername)
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}
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}
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// 获取发送者显示名
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const senderNames = await this.getDisplayNames(Array.from(senderSet))
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// 获取群昵称（如果是群聊）
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let groupNicknamesMap = new Map<string, string>()
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if (isGroup) {
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try {
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const result = await wcdbService.getGroupNicknames(talkerId)
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if (result.success && result.nicknames) {
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groupNicknamesMap = new Map(Object.entries(result.nicknames))
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}
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} catch (e) {
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console.error('[HttpService] Failed to get group nicknames:', e)
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}
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}
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// 构建成员列表
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const memberMap = new Map<string, ChatLabMember>()
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for (const msg of messages) {
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const sender = msg.senderUsername || ''
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if (sender && !memberMap.has(sender)) {
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const displayName = senderNames[sender] || sender
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const isSelf = sender === myWxid || sender.toLowerCase() === myWxid.toLowerCase()
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// 获取群昵称（尝试多种方式）
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const groupNickname = isGroup
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? (groupNicknamesMap.get(sender) || groupNicknamesMap.get(sender.toLowerCase()) || '')
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: ''
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memberMap.set(sender, {
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platformId: sender,
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accountName: isSelf ? '我' : displayName,
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groupNickname: groupNickname || undefined
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})
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}
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}
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// 转换消息
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const chatLabMessages: ChatLabMessage[] = messages.map(msg => {
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const sender = msg.senderUsername || ''
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const isSelf = msg.isSend === 1 || sender === myWxid
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const accountName = isSelf ? '我' : (senderNames[sender] || sender)
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// 获取该发送者的群昵称
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const groupNickname = isGroup
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? (groupNicknamesMap.get(sender) || groupNicknamesMap.get(sender.toLowerCase()) || '')
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: ''
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return {
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sender,
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accountName,
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groupNickname: groupNickname || undefined,
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timestamp: msg.createTime,
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type: this.mapMessageType(msg.localType, msg),
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content: this.getMessageContent(msg),
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platformMessageId: msg.serverId ? String(msg.serverId) : undefined
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}
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})
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return {
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chatlab: {
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version: '0.0.2',
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exportedAt: Math.floor(Date.now() / 1000),
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generator: 'WeFlow'
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},
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meta: {
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name: talkerName,
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platform: 'wechat',
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type: isGroup ? 'group' : 'private',
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groupId: isGroup ? talkerId : undefined,
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ownerId: myWxid || undefined
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},
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members: Array.from(memberMap.values()),
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messages: chatLabMessages
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}
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}
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/**
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* 映射 WeChat 消息类型到 ChatLab 类型
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*/
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private mapMessageType(localType: number, msg: Message): number {
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switch (localType) {
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case 1: // 文本
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return ChatLabType.TEXT
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case 3: // 图片
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return ChatLabType.IMAGE
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case 34: // 语音
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return ChatLabType.VOICE
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case 43: // 视频
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return ChatLabType.VIDEO
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case 47: // 动画表情
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return ChatLabType.EMOJI
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case 48: // 位置
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return ChatLabType.LOCATION
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case 42: // 名片
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return ChatLabType.CONTACT
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case 50: // 语音/视频通话
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return ChatLabType.CALL
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case 10000: // 系统消息
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return ChatLabType.SYSTEM
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case 49: // 复合消息
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return this.mapType49(msg)
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case 244813135921: // 引用消息
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return ChatLabType.REPLY
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case 266287972401: // 拍一拍
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return ChatLabType.POKE
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case 8594229559345: // 红包
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return ChatLabType.RED_PACKET
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case 8589934592049: // 转账
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return ChatLabType.TRANSFER
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default:
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return ChatLabType.OTHER
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}
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}
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/**
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* 映射 Type 49 子类型
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*/
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private mapType49(msg: Message): number {
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const xmlType = msg.xmlType
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switch (xmlType) {
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case '5': // 链接
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case '49':
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return ChatLabType.LINK
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case '6': // 文件
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return ChatLabType.FILE
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case '19': // 聊天记录
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return ChatLabType.FORWARD
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case '33': // 小程序
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case '36':
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return ChatLabType.SHARE
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case '57': // 引用消息
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return ChatLabType.REPLY
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case '2000': // 转账
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return ChatLabType.TRANSFER
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case '2001': // 红包
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return ChatLabType.RED_PACKET
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default:
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return ChatLabType.OTHER
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}
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}
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/**
|
|
* 获取消息内容
|
|
*/
|
|
private getMessageContent(msg: Message): string | null {
|
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// 优先使用已解析的内容
|
|
if (msg.parsedContent) {
|
|
return msg.parsedContent
|
|
}
|
|
|
|
// 根据类型返回占位符
|
|
switch (msg.localType) {
|
|
case 1:
|
|
return msg.rawContent || null
|
|
case 3:
|
|
return msg.imageMd5 || '[图片]'
|
|
case 34:
|
|
return '[语音]'
|
|
case 43:
|
|
return msg.videoMd5 || '[视频]'
|
|
case 47:
|
|
return msg.emojiCdnUrl || msg.emojiMd5 || '[表情]'
|
|
case 42:
|
|
return msg.cardNickname || '[名片]'
|
|
case 48:
|
|
return '[位置]'
|
|
case 49:
|
|
return msg.linkTitle || msg.fileName || '[消息]'
|
|
default:
|
|
return msg.rawContent || null
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 发送 JSON 响应
|
|
*/
|
|
private sendJson(res: http.ServerResponse, data: any): void {
|
|
res.setHeader('Content-Type', 'application/json; charset=utf-8')
|
|
res.writeHead(200)
|
|
res.end(JSON.stringify(data, null, 2))
|
|
}
|
|
|
|
/**
|
|
* 发送错误响应
|
|
*/
|
|
private sendError(res: http.ServerResponse, code: number, message: string): void {
|
|
res.setHeader('Content-Type', 'application/json; charset=utf-8')
|
|
res.writeHead(code)
|
|
res.end(JSON.stringify({ error: message }))
|
|
}
|
|
}
|
|
|
|
export const httpService = new HttpService()
|