初始化模版工程
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Cloud Bot
251
remote-control/bots/telegram/handlers.ts
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251
remote-control/bots/telegram/handlers.ts
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import type { Bot, Context } from 'grammy'
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import { InputFile } from 'grammy'
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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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function splitMessage(text: string, maxLength = 4096): string[] {
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if (text.length <= maxLength) return [text]
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const parts: string[] = []
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let remaining = text
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while (remaining.length > 0) {
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if (remaining.length <= maxLength) {
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parts.push(remaining)
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break
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}
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let splitIndex = remaining.lastIndexOf('\n', maxLength)
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if (splitIndex <= 0) {
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splitIndex = maxLength
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}
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parts.push(remaining.slice(0, splitIndex))
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remaining = remaining.slice(splitIndex).trimStart()
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}
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return parts
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}
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async function getOrCreateConversation(telegramUserId: string, name: string): Promise<string> {
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const existing = getConversationId(telegramUserId)
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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: `Telegram User ${name || telegramUserId}`,
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},
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)
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const conversationId = res.conversation_id
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setConversationId(telegramUserId, conversationId, name)
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return conversationId
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}
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async function processMessage(
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ctx: Context,
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botToken: string,
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onMessage?: () => void,
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): Promise<void> {
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const message = ctx.message
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if (!message) return
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const userId = String(message.from?.id ?? '')
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const userName = message.from?.username || message.from?.first_name || userId
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// Extract text
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const text = (message.text || message.caption || '').trim()
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// Extract attachments
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const attachments: BotAttachment[] = []
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// Handle photos - take the last one (largest size)
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if (message.photo && message.photo.length > 0) {
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const largestPhoto = message.photo[message.photo.length - 1]
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try {
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const file = await ctx.api.getFile(largestPhoto.file_id)
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if (file.file_path) {
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const downloadUrl = `https://api.telegram.org/file/bot${botToken}/${file.file_path}`
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attachments.push({
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url: downloadUrl,
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fileName: `telegram_photo_${Date.now()}.jpg`,
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mimeType: 'image/jpeg',
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size: largestPhoto.file_size,
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})
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}
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} catch (err) {
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console.error('[Telegram Bot] 获取图片文件失败:', err)
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}
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}
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// Handle documents
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if (message.document) {
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try {
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const file = await ctx.api.getFile(message.document.file_id)
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if (file.file_path) {
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const downloadUrl = `https://api.telegram.org/file/bot${botToken}/${file.file_path}`
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attachments.push({
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url: downloadUrl,
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fileName: message.document.file_name || `telegram_file_${Date.now()}`,
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mimeType: message.document.mime_type ?? undefined,
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size: message.document.file_size,
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})
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}
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} catch (err) {
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console.error('[Telegram Bot] 获取文档文件失败:', err)
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}
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}
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if (!text && attachments.length === 0) return
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BotLogger.log({
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platform: 'telegram',
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eventType: 'message_received',
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severity: 'info',
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message: `收到来自用户 ${userName} 的消息 (${attachments.length} 附件)`,
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details: { userId, chatId: String(message.chat.id) },
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})
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try {
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// Send typing action
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await ctx.api.sendChatAction(message.chat.id, 'typing').catch(() => {})
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const typingInterval = setInterval(() => {
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ctx.api.sendChatAction(message.chat.id, 'typing').catch(() => {})
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}, 5000)
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try {
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// Upload attachments if any
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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(userId, userName)
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const response = await sendMessageAndWaitResponse(
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`telegram:${userId}`,
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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 ctx.reply('没有收到回复，请稍后重试。')
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return
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}
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// Check for Markdown image syntax in response
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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(response)) !== null) {
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images.push({ alt: match[1], url: match[2] })
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}
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if (images.length > 0) {
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// Remove image markdown from text
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const textWithoutImages = response.replace(imageRegex, '').trim()
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// Send images with caption
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for (let i = 0; i < images.length; i++) {
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const image = images[i]
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try {
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if (i === 0 && textWithoutImages) {
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// First image with caption (Telegram caption limit: 1024 chars)
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if (textWithoutImages.length <= 1024) {
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await ctx.replyWithPhoto(image.url, {
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caption: textWithoutImages,
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parse_mode: 'HTML',
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})
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} else {
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// Caption too long - send photo first, then text separately
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await ctx.replyWithPhoto(image.url)
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const textParts = splitMessage(textWithoutImages)
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for (const part of textParts) {
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await ctx.reply(part)
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}
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}
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} else {
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await ctx.replyWithPhoto(image.url)
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}
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} catch {
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// If photo sending fails, send as link
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await ctx.reply(`${image.alt || '图片'}: ${image.url}`)
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}
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}
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// If no caption was sent with the first image and there's text
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if (images.length > 0 && textWithoutImages && textWithoutImages.length > 1024) {
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// Already handled above
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}
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} else {
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// Plain text response
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const parts = splitMessage(response)
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for (const part of parts) {
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await ctx.reply(part)
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}
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}
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if (onMessage) onMessage()
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BotLogger.log({
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platform: 'telegram',
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eventType: 'message_sent',
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severity: 'info',
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message: `已回复用户 ${userName}`,
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})
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} finally {
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clearInterval(typingInterval)
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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('[Telegram Bot] 处理消息失败:', errMsg)
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await ctx.reply(`处理消息时出错: ${errMsg}`).catch(() => {})
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BotLogger.log({
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platform: 'telegram',
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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: { userId },
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})
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}
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}
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export function registerHandlers(bot: Bot, botToken: string, onMessage?: () => void): void {
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const handleMessage = (ctx: Context) => {
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const userId = String(ctx.message?.from?.id ?? '')
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if (!userId) return
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// Filter bot's own messages
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if (ctx.message?.from?.is_bot) return
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const currentQueue = userQueues.get(userId) ?? Promise.resolve()
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const newQueue = currentQueue.then(() => processMessage(ctx, botToken, onMessage))
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userQueues.set(userId, newQueue)
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newQueue.finally(() => {
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if (userQueues.get(userId) === newQueue) {
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userQueues.delete(userId)
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}
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})
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}
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bot.on('message:text', handleMessage)
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bot.on('message:photo', handleMessage)
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bot.on('message:document', handleMessage)
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}
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