首页 > 解决方案 > 通过具有 conversationId 的 restify API 访问特定聊天

问题描述

我在寻找一种方法来访问特定聊天以从外部 API 调用处理以与内部消息传递系统集成以供操作员进行对话时遇到问题。

一般来说,我的想法是:如果用户想与人交谈 - 他会触发流程(例如在 CustomBot.js 中)并启动通信。但是,为了从不同的系统发送消息 - 我需要通过外部 API 调用访问这个非常特定的用户和聊天,以将消息路由到正确的用户。

所以我从机器人的上下文中获取了 conversationId,但我需要句柄来找到一种通过 restift API 获取相同上下文的方法。

我想这样写:

server.post('/api/route_messages', (req, res) => {
    context = adapter.getContextById(req.conversationId)
    context.sendActivity(req.message)
})

不幸的是,我找不到像“adapter.getContextById”这样的合适方法。

你能建议一种方法吗?

谢谢

标签: javascriptbotframeworkrestify

解决方案


如果您想公开一个 API 用于从外部服务向特定对话发送消息,您可以使用诸如通知/主动消息之类的方式来完成它。这是它的官方演示。但是如果您想向特定对话发送消息,您应该进行一些修改:将 index.js 中的内容替换为以下代码:

const path = require('path');
const restify = require('restify');
const restifyBodyParser = require('restify-plugins').bodyParser;
// Import required bot services. See https://aka.ms/bot-services to learn more about the different parts of a bot.
const { BotFrameworkAdapter } = require('botbuilder');

// This bot's main dialog.
const { ProactiveBot } = require('./bots/proactiveBot');

// Note: Ensure you have a .env file and include the MicrosoftAppId and MicrosoftAppPassword.
const ENV_FILE = path.join(__dirname, '.env');
require('dotenv').config({ path: ENV_FILE });

// Create adapter.
// See https://aka.ms/about-bot-adapter to learn more about adapters.
const adapter = new BotFrameworkAdapter({
    appId: process.env.MicrosoftAppId,
    appPassword: process.env.MicrosoftAppPassword
});

// Catch-all for errors.
adapter.onTurnError = async (context, error) => {
    // This check writes out errors to console log
    // NOTE: In production environment, you should consider logging this to Azure
    //       application insights.
    console.error(`\n [onTurnError]: ${ error }`);
    // Send a message to the user
    await context.sendActivity(`Oops. Something went wrong!`);
};

// Create the main dialog.
const conversationReferences = {};
const bot = new ProactiveBot(conversationReferences);

// Create HTTP server.
const server = restify.createServer();
server.use(restifyBodyParser());

server.listen(process.env.port || process.env.PORT || 3978, function() {
    console.log(`\n${ server.name } listening to ${ server.url }`);
    console.log(`\nGet Bot Framework Emulator: https://aka.ms/botframework-emulator`);
});
// Listen for incoming activities and route them to your bot main dialog.
server.post('/api/messages', (req, res) => {
    adapter.processActivity(req, res, async (turnContext) => {
        // route to main dialog.
        await bot.run(turnContext);
    });
});

// Listen for incoming notifications and send proactive messages to users.
server.post('/api/notify', async (req, res) => {
    const conversationId = req.body.conversationId;
    const message = req.body.message;

    for (const conversationReference of Object.values(conversationReferences)) {
        if (conversationReference.conversation.id === conversationId) {
            await adapter.continueConversation(conversationReference, async turnContext => {
                await turnContext.sendActivity(message);
            });
        }
    }

    res.setHeader('Content-Type', 'text/html');
    res.writeHead(200);
    res.write('<html><body><h1>Proactive messages have been sent.</h1></body></html>');
    res.end();
});

运行演示并通过 postman 或 restclient 发布消息,如下所示: 在此处输入图像描述

如您所见,我打开了两个对话,但只有我指定的对话收到了消息: 在此处输入图像描述

这只是一个示例演示,您可以根据您的要求修改请求和逻辑,例如将 url 更改为/api/route_messages.

当然,如果有帮助请标记我:)


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