初始化模版工程
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Cloud Bot
354
remote-control/bots/lark/handlers.ts
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354
remote-control/bots/lark/handlers.ts
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import type * as lark from '@larksuiteoapi/node-sdk'
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import { HTTPClient } from '@/http'
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import { getDefaultAgentId } from '@/app/api/nova-config'
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import { getConversationId, setConversationId } from './user-store'
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import { sendMessageAndWaitResponse } from '@/remote-control/shared/nova-bridge'
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import { uploadBotAttachments, type BotAttachment } from '@/remote-control/shared/file-uploader'
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import { BotLogger } from '@/remote-control/shared/logger'
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const oapiClient = new HTTPClient({
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baseURL: process.env.NOVA_BASE_URL,
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headers: {
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'Content-Type': 'application/json',
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'Tenant-Id': process.env.NOVA_TENANT_ID!,
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'Authorization': process.env.NOVA_ACCESS_KEY!,
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},
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})
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const userQueues = new Map<string, Promise<void>>()
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const processedMessages = new Set<string>()
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function extractTextContent(messageType: string, content: string): string {
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try {
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const parsed = JSON.parse(content)
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if (messageType === 'text') {
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return (parsed.text || '').trim()
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}
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if (messageType === 'post') {
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// 富文本：遍历 content 数组提取 text 类型的文本
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const contentArray = parsed.content || []
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const texts: string[] = []
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for (const paragraph of contentArray) {
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if (Array.isArray(paragraph)) {
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for (const item of paragraph) {
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if (item.tag === 'text' && item.text) {
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texts.push(item.text)
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}
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}
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}
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}
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return texts.join(' ').trim()
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}
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return ''
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} catch {
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return ''
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}
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}
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function cleanMentions(text: string): string {
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// 清除 @_user_N 占位符
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return text.replace(/@_user_\d+/g, '').trim()
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}
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async function extractAttachments(
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client: lark.Client,
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messageType: string,
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content: string,
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messageId: string,
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): Promise<BotAttachment[]> {
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const attachments: BotAttachment[] = []
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try {
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const parsed = JSON.parse(content)
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// 处理 image 类型
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if (messageType === 'image' && parsed.image_key) {
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const resp = await client.im.messageResource.get({
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path: { message_id: messageId, file_key: parsed.image_key },
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params: { type: 'image' },
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})
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const stream = resp.getReadableStream()
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const chunks: Buffer[] = []
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for await (const chunk of stream) {
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chunks.push(chunk)
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}
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const buffer = Buffer.concat(chunks)
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// 将 buffer 转为临时 URL（通过 data URI）
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const dataUri = `data:image/png;base64,${buffer.toString('base64')}`
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attachments.push({
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url: dataUri,
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fileName: `lark_image_${Date.now()}.png`,
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})
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}
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// 处理 file 类型
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if (messageType === 'file' && parsed.file_key) {
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const resp = await client.im.messageResource.get({
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path: { message_id: messageId, file_key: parsed.file_key },
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params: { type: 'file' },
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})
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const stream = resp.getReadableStream()
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const chunks: Buffer[] = []
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for await (const chunk of stream) {
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chunks.push(chunk)
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}
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const buffer = Buffer.concat(chunks)
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const dataUri = `data:application/octet-stream;base64,${buffer.toString('base64')}`
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attachments.push({
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url: dataUri,
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fileName: parsed.file_name || `lark_file_${Date.now()}`,
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})
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}
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// 处理 post 富文本中的图片
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if (messageType === 'post' && parsed.content) {
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for (const paragraph of parsed.content) {
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if (Array.isArray(paragraph)) {
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for (const item of paragraph) {
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if (item.tag === 'img' && item.image_key) {
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const resp = await client.im.messageResource.get({
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path: { message_id: messageId, file_key: item.image_key },
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params: { type: 'image' },
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})
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const stream = resp.getReadableStream()
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const chunks: Buffer[] = []
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for await (const chunk of stream) {
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chunks.push(chunk)
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}
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const buffer = Buffer.concat(chunks)
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const dataUri = `data:image/png;base64,${buffer.toString('base64')}`
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attachments.push({
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url: dataUri,
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fileName: `lark_post_image_${Date.now()}.png`,
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})
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}
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}
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}
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}
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}
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} catch (err) {
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console.error('[Lark Bot] 提取附件失败:', err)
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}
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return attachments
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}
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async function getOrCreateConversation(openId: string, name: string): Promise<string> {
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const existing = getConversationId(openId)
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if (existing) return existing
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const agentId = getDefaultAgentId()
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const res = await oapiClient.post<{ conversation_id: string }>(
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'/v1/oapi/super_agent/chat/create_conversation',
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{
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agent_id: agentId,
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title: `Lark User ${name || openId}`,
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},
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)
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const conversationId = res.conversation_id
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setConversationId(openId, conversationId, name)
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return conversationId
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}
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async function replyMessage(
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client: lark.Client,
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chatId: string,
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text: string,
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): Promise<void> {
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// 检查文本中是否包含 Markdown 图片语法
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const imageRegex = /!\[([^\]]*)\]\(([^)]+)\)/g
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const images: Array<{ alt: string; url: string }> = []
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let match: RegExpExecArray | null
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while ((match = imageRegex.exec(text)) !== null) {
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images.push({ alt: match[1], url: match[2] })
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}
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// 如果包含图片，使用富文本消息
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if (images.length > 0) {
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// 移除 Markdown 图片语法，保留其他文本
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const textWithoutImages = text.replace(imageRegex, '').trim()
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// 构建富文本内容
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const content: any[][] = []
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// 添加文本段落
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if (textWithoutImages) {
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const lines = textWithoutImages.split('\n').filter(line => line.trim())
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for (const line of lines) {
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content.push([{ tag: 'text', text: line }])
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}
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}
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// 上传图片并添加到富文本中
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for (const image of images) {
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try {
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// 下载图片
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const response = await fetch(image.url)
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const buffer = Buffer.from(await response.arrayBuffer())
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// 上传到飞书
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const uploadResp = await client.im.image.create({
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data: {
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image_type: 'message',
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image: buffer,
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},
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})
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const imageKey = uploadResp.image_key || uploadResp.data?.image_key
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if (imageKey) {
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// 添加图片到富文本
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content.push([{ tag: 'img', image_key: imageKey }])
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} else {
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// 如果没有 image_key，添加链接
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content.push([{ tag: 'a', text: image.alt || '查看图片', href: image.url }])
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}
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} catch (err) {
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console.error('[Lark Bot] 上传图片失败:', err)
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// 上传失败，添加图片链接
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content.push([{ tag: 'a', text: image.alt || '查看图片', href: image.url }])
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}
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}
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// 飞书富文本格式需要包含语言标识
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await client.im.message.create({
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params: { receive_id_type: 'chat_id' },
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data: {
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receive_id: chatId,
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content: JSON.stringify({
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zh_cn: {
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title: '',
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content: content
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}
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}),
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msg_type: 'post',
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},
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})
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} else {
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// 纯文本消息
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await client.im.message.create({
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params: { receive_id_type: 'chat_id' },
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data: {
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receive_id: chatId,
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content: JSON.stringify({ text }),
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msg_type: 'text',
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},
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})
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}
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}
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async function processMessage(
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client: lark.Client,
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data: any,
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onMessage?: () => void,
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): Promise<void> {
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const message = data.message
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const sender = data.sender
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const messageId = message.message_id
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const openId = sender.sender_id.open_id
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const name = sender.sender_id.union_id || openId
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const chatId = message.chat_id
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const messageType = message.message_type
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const content = message.content
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// 消息去重
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if (processedMessages.has(messageId)) {
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return
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}
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processedMessages.add(messageId)
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// 限制 Set 大小，防止内存泄漏
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if (processedMessages.size > 10000) {
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const firstItem = processedMessages.values().next().value
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if (firstItem) {
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processedMessages.delete(firstItem)
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}
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}
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// 提取文本和附件
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let text = extractTextContent(messageType, content)
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text = cleanMentions(text)
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const attachments = await extractAttachments(client, messageType, content, messageId)
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if (!text && attachments.length === 0) {
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return
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}
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BotLogger.log({
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platform: 'lark',
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eventType: 'message_received',
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severity: 'info',
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message: `收到来自 ${name} 的消息 (${messageType}, ${attachments.length} 附件)`,
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details: { openId, chatId },
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})
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try {
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// 上传附件
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let uploadFileIds: string[] | undefined
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if (attachments.length > 0) {
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uploadFileIds = await uploadBotAttachments(attachments)
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if (uploadFileIds.length === 0) uploadFileIds = undefined
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}
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const conversationId = await getOrCreateConversation(openId, name)
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const response = await sendMessageAndWaitResponse(
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`lark:${openId}`,
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conversationId,
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text || '',
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uploadFileIds,
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)
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if (!response) {
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await replyMessage(client, chatId, '没有收到回复，请稍后重试。')
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} else {
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await replyMessage(client, chatId, response)
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}
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if (onMessage) onMessage()
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BotLogger.log({
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platform: 'lark',
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eventType: 'message_sent',
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severity: 'info',
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message: `已回复用户 ${name}`,
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})
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} catch (error) {
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const errMsg = error instanceof Error ? error.message : '未知错误'
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console.error('[Lark Bot] 处理消息失败:', errMsg)
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await replyMessage(client, chatId, `处理消息时出错: ${errMsg}`).catch(() => {})
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BotLogger.log({
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platform: 'lark',
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eventType: 'error',
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severity: 'error',
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message: `处理消息失败: ${errMsg}`,
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details: { openId },
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})
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}
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}
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export function createEventHandler(client: lark.Client, onMessage?: () => void) {
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return async (data: any) => {
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const openId = data.sender?.sender_id?.open_id
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if (!openId) return
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// 使用队列确保单用户消息顺序处理
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const currentQueue = userQueues.get(openId) ?? Promise.resolve()
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const newQueue = currentQueue.then(() => processMessage(client, data, onMessage))
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userQueues.set(openId, newQueue)
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newQueue.finally(() => {
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if (userQueues.get(openId) === newQueue) {
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userQueues.delete(openId)
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}
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})
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}
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}
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