qr express

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 }