qr express

app.js

@@ -8,6 +8,7 @@ const qrcode = require('qrcode-terminal');
 const { Client } = require('whatsapp-web.js');
 const mysqlConnection = require('./config/mysql')
 const { middlewareClient } = require('./middleware/client')
+const { generateImage } = require('./controllers/handle')
 const { connectionReady, connectionLost } = require('./controllers/connection')
 const { saveMedia } = require('./controllers/save')
 const { getMessages, responseMessages, bothResponse } = require('./controllers/flows')
@@ -15,6 +16,7 @@ const { sendMedia, sendMessage, lastTrigger } = require('./controllers/send')
 
 const app = express();
 app.use(express.json())
+app.use('/',require('./routes/web'))
 
 const port = process.env.PORT || 3000
 const SESSION_FILE_PATH = './session.json';
@@ -128,9 +130,10 @@ const withOutSession = () => {
         }
     });
 
-    client.on('qr', qr => {
+    client.on('qr', qr => generateImage(qr, () => {
         qrcode.generate(qr, { small: true });
-    });
+        console.log(`Ver QR http://localhost:${port}/qr`)
+    }))
     
     client.on('ready', () => {
         connectionReady()

controllers/handle.js

@@ -1,6 +1,7 @@
 const http = require('http'); // or 'https' for https:// URLs
 const https = require('https'); // or 'https' for https:// URLs
 const fs = require('fs');
+const qr = require('qr-image')
 
 
 const cleanNumber = (number) => {
@@ -14,10 +15,9 @@ const saveExternalFile = (url) => new Promise((resolve, reject) => {
     const checkProtocol = url.split('/').includes('https:');
     const handleHttp = checkProtocol ? https : http;
     const name = `${Date.now()}.${ext}`;
-    const file = fs.createWriteStream(`./mediaSend/${name}`);
+    const file = fs.createWriteStream(`${__dirname}/../mediaSend/${name}`);
     console.log(url)
      handleHttp.get(url, function(response) {
-        console.log('aaaa')
         response.pipe(file);
         file.on('finish', function() {
             file.close();  // close() is async, call cb after close completes.
@@ -30,4 +30,13 @@ const saveExternalFile = (url) => new Promise((resolve, reject) => {
         });
     });
 })
-module.exports = {cleanNumber, saveExternalFile}
+
+const generateImage = (base64, cb = () => {}) => {
+    let qr_svg = qr.image(base64, { type: 'svg', margin: 4 });
+    qr_svg.pipe(require('fs').createWriteStream('./mediaSend/qr-code.svg'));
+    console.log(`⚡ Recuerda que el QR se actualiza cada minuto ⚡'`);
+    console.log(`⚡ Actualiza F5 el navegador para mantener el mejor QR⚡`);
+    cb()
+}
+
+module.exports = {cleanNumber, saveExternalFile, generateImage}

controllers/web.js

@@ -1,3 +1,4 @@
+const fs = require('fs')
 const { sendMessage } = require('../controllers/send')
 
 const sendMessagePost = (req, res) => {
@@ -7,4 +8,9 @@ const sendMessagePost = (req, res) => {
     res.send({ status: 'Enviado!' })
 }
 
-module.exports = { sendMessagePost }
+const getQr = (req, res) => {
+    res.writeHead(200, { 'content-type': 'image/svg+xml' });
+    fs.createReadStream(`${__dirname}/../mediaSend/qr-code.svg`).pipe(res);
+}
+
+module.exports = { sendMessagePost, getQr }

package-lock.json

@@ -3095,6 +3095,11 @@
         }
       }
     },
+    "qr-image": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/qr-image/-/qr-image-3.2.0.tgz",
+      "integrity": "sha1-n6gpW+rlDEoUnPn5CaHbRkqGcug="
+    },
     "qrcode-terminal": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/qrcode-terminal/-/qrcode-terminal-0.12.0.tgz",

package.json

@@ -20,6 +20,7 @@
     "moment": "^2.29.1",
     "mysql": "^2.18.1",
     "nanoid": "^3.1.32",
+    "qr-image": "^3.2.0",
     "qrcode-terminal": "^0.12.0",
     "socket.io": "^4.4.1",
     "whatsapp-web.js": "^1.15.3",

routes/web.js

@@ -0,0 +1,7 @@
+const express = require('express');
+const router = express.Router()
+const { getQr } = require('../controllers/web')
+
+router.use('/qr', getQr)
+
+module.exports = router