app.js 2.42 KB
var express = require('express');
const request = require('request');
const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
const TOKEN = '채널 토큰으로 교체'
const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
const PAPAGO_ID = '네이버 클라이언트 ID'
const PAPAGO_SECRET = '네이버 클라이언트 Secret'

const bodyParser = require('body-parser');
var app = express();
app.use(bodyParser.json());
app.post('/hook', function (req, res) {

    var eventObj = req.body.events[0];
    var source = eventObj.source;
    var message = eventObj.message;

    // request log
    console.log('======================', new Date() ,'======================');
    console.log('[request]', req.body);
    console.log('[request source] ', eventObj.source);
    console.log('[request message]', eventObj.message);

    trans(eventObj.replyToken, eventObj.message.text);
    

    res.sendStatus(200);
});

function trans(replyToken, message) {

    request.post(
        {
            url: PAPAGO_URL,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Naver-Client-Id': `${PAPAGO_ID}`,
                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
            },
            body: 'source=ko&target=en&text=' + message,
            json:true
        },(error, response, body) => {
            if(!error && response.statusCode == 200) {
                console.log(body.message);
                var transMessage = body.message.result.translatedText;
                request.post(
                    {
                        url: TARGET_URL,
                        headers: {
                            'Authorization': `Bearer ${TOKEN}`
                        },
                        json: {
                            "replyToken":replyToken,
                            "messages":[
                                {
                                    "type":"text",
                                    "text":transMessage
                                }
                            ]
                        }
                    },(error, response, body) => {
                        console.log(body)
                    });
            }
        });

}

var server = app.listen(23023, function () {
        var host = server.address().address
        var port = server.address().port
        console.log("Example app listening at http://%s:%s", host, port)
})