fix(bot): ⚡ flow improvement + add utils

packages/provider/src/web-whatsapp/utils.js

@@ -1,5 +1,8 @@
 const { createWriteStream } = require('fs')
 const qr = require('qr-image')
+const { tmpdir } = require('os')
+const http = require('http')
+const https = require('https')
 
 const cleanNumber = (number, full = false) => {
     number = number.replace('@c.us', '')
@@ -18,4 +21,33 @@ const isValidNumber = (rawNumber) => {
     return !exist
 }
 
-module.exports = { cleanNumber, generateImage, isValidNumber }
+/**
+ * Incompleta
+ * Descargar archivo multimedia para enviar
+ * @param {*} url
+ * @returns
+ */
+const downloadMedia = (url) => {
+    return new Promise((resolve, reject) => {
+        const ext = url.split('.').pop()
+        const checkProtocol = url.includes('https:')
+        const handleHttp = checkProtocol ? https : http
+        const name = `tmp-${Date.now()}.${ext}`
+        const fullPath = `${tmpdir()}/${name}`
+        const file = createWriteStream(fullPath)
+        handleHttp.get(url, function (response) {
+            response.pipe(file)
+            file.on('finish', function () {
+                file.close()
+                resolve(fullPath)
+            })
+            file.on('error', function () {
+                console.log('errro')
+                file.close()
+                reject(null)
+            })
+        })
+    })
+}
+
+module.exports = { cleanNumber, generateImage, isValidNumber, downloadMedia }