Files
test1/remote-control/bots/telegram/handlers.ts
2026-03-20 07:33:46 +00:00

252 lines
7.9 KiB
TypeScript

import type { Bot, Context } from 'grammy'
import { InputFile } from 'grammy'
import { HTTPClient } from '@/http'
import { getDefaultAgentId } from '@/app/api/nova-config'
import { getConversationId, setConversationId } from './user-store'
import { sendMessageAndWaitResponse } from '@/remote-control/shared/nova-bridge'
import { uploadBotAttachments, type BotAttachment } from '@/remote-control/shared/file-uploader'
import { BotLogger } from '@/remote-control/shared/logger'
const oapiClient = new HTTPClient({
baseURL: process.env.NOVA_BASE_URL,
headers: {
'Content-Type': 'application/json',
'Tenant-Id': process.env.NOVA_TENANT_ID!,
'Authorization': process.env.NOVA_ACCESS_KEY!,
},
})
const userQueues = new Map<string, Promise<void>>()
function splitMessage(text: string, maxLength = 4096): string[] {
if (text.length <= maxLength) return [text]
const parts: string[] = []
let remaining = text
while (remaining.length > 0) {
if (remaining.length <= maxLength) {
parts.push(remaining)
break
}
let splitIndex = remaining.lastIndexOf('\n', maxLength)
if (splitIndex <= 0) {
splitIndex = maxLength
}
parts.push(remaining.slice(0, splitIndex))
remaining = remaining.slice(splitIndex).trimStart()
}
return parts
}
async function getOrCreateConversation(telegramUserId: string, name: string): Promise<string> {
const existing = getConversationId(telegramUserId)
if (existing) return existing
const agentId = getDefaultAgentId()
const res = await oapiClient.post<{ conversation_id: string }>(
'/v1/oapi/super_agent/chat/create_conversation',
{
agent_id: agentId,
title: `Telegram User ${name || telegramUserId}`,
},
)
const conversationId = res.conversation_id
setConversationId(telegramUserId, conversationId, name)
return conversationId
}
async function processMessage(
ctx: Context,
botToken: string,
onMessage?: () => void,
): Promise<void> {
const message = ctx.message
if (!message) return
const userId = String(message.from?.id ?? '')
const userName = message.from?.username || message.from?.first_name || userId
// Extract text
const text = (message.text || message.caption || '').trim()
// Extract attachments
const attachments: BotAttachment[] = []
// Handle photos - take the last one (largest size)
if (message.photo && message.photo.length > 0) {
const largestPhoto = message.photo[message.photo.length - 1]
try {
const file = await ctx.api.getFile(largestPhoto.file_id)
if (file.file_path) {
const downloadUrl = `https://api.telegram.org/file/bot${botToken}/${file.file_path}`
attachments.push({
url: downloadUrl,
fileName: `telegram_photo_${Date.now()}.jpg`,
mimeType: 'image/jpeg',
size: largestPhoto.file_size,
})
}
} catch (err) {
console.error('[Telegram Bot] 获取图片文件失败:', err)
}
}
// Handle documents
if (message.document) {
try {
const file = await ctx.api.getFile(message.document.file_id)
if (file.file_path) {
const downloadUrl = `https://api.telegram.org/file/bot${botToken}/${file.file_path}`
attachments.push({
url: downloadUrl,
fileName: message.document.file_name || `telegram_file_${Date.now()}`,
mimeType: message.document.mime_type ?? undefined,
size: message.document.file_size,
})
}
} catch (err) {
console.error('[Telegram Bot] 获取文档文件失败:', err)
}
}
if (!text && attachments.length === 0) return
BotLogger.log({
platform: 'telegram',
eventType: 'message_received',
severity: 'info',
message: `收到来自用户 ${userName} 的消息 (${attachments.length} 附件)`,
details: { userId, chatId: String(message.chat.id) },
})
try {
// Send typing action
await ctx.api.sendChatAction(message.chat.id, 'typing').catch(() => {})
const typingInterval = setInterval(() => {
ctx.api.sendChatAction(message.chat.id, 'typing').catch(() => {})
}, 5000)
try {
// Upload attachments if any
let uploadFileIds: string[] | undefined
if (attachments.length > 0) {
uploadFileIds = await uploadBotAttachments(attachments)
if (uploadFileIds.length === 0) uploadFileIds = undefined
}
const conversationId = await getOrCreateConversation(userId, userName)
const response = await sendMessageAndWaitResponse(
`telegram:${userId}`,
conversationId,
text || '',
uploadFileIds,
)
if (!response) {
await ctx.reply('没有收到回复,请稍后重试。')
return
}
// Check for Markdown image syntax in response
const imageRegex = /!\[([^\]]*)\]\(([^)]+)\)/g
const images: Array<{ alt: string; url: string }> = []
let match: RegExpExecArray | null
while ((match = imageRegex.exec(response)) !== null) {
images.push({ alt: match[1], url: match[2] })
}
if (images.length > 0) {
// Remove image markdown from text
const textWithoutImages = response.replace(imageRegex, '').trim()
// Send images with caption
for (let i = 0; i < images.length; i++) {
const image = images[i]
try {
if (i === 0 && textWithoutImages) {
// First image with caption (Telegram caption limit: 1024 chars)
if (textWithoutImages.length <= 1024) {
await ctx.replyWithPhoto(image.url, {
caption: textWithoutImages,
parse_mode: 'HTML',
})
} else {
// Caption too long - send photo first, then text separately
await ctx.replyWithPhoto(image.url)
const textParts = splitMessage(textWithoutImages)
for (const part of textParts) {
await ctx.reply(part)
}
}
} else {
await ctx.replyWithPhoto(image.url)
}
} catch {
// If photo sending fails, send as link
await ctx.reply(`${image.alt || '图片'}: ${image.url}`)
}
}
// If no caption was sent with the first image and there's text
if (images.length > 0 && textWithoutImages && textWithoutImages.length > 1024) {
// Already handled above
}
} else {
// Plain text response
const parts = splitMessage(response)
for (const part of parts) {
await ctx.reply(part)
}
}
if (onMessage) onMessage()
BotLogger.log({
platform: 'telegram',
eventType: 'message_sent',
severity: 'info',
message: `已回复用户 ${userName}`,
})
} finally {
clearInterval(typingInterval)
}
} catch (error) {
const errMsg = error instanceof Error ? error.message : '未知错误'
console.error('[Telegram Bot] 处理消息失败:', errMsg)
await ctx.reply(`处理消息时出错: ${errMsg}`).catch(() => {})
BotLogger.log({
platform: 'telegram',
eventType: 'error',
severity: 'error',
message: `处理消息失败: ${errMsg}`,
details: { userId },
})
}
}
export function registerHandlers(bot: Bot, botToken: string, onMessage?: () => void): void {
const handleMessage = (ctx: Context) => {
const userId = String(ctx.message?.from?.id ?? '')
if (!userId) return
// Filter bot's own messages
if (ctx.message?.from?.is_bot) return
const currentQueue = userQueues.get(userId) ?? Promise.resolve()
const newQueue = currentQueue.then(() => processMessage(ctx, botToken, onMessage))
userQueues.set(userId, newQueue)
newQueue.finally(() => {
if (userQueues.get(userId) === newQueue) {
userQueues.delete(userId)
}
})
}
bot.on('message:text', handleMessage)
bot.on('message:photo', handleMessage)
bot.on('message:document', handleMessage)
}