web-whatsapp work

packages/provider/adapters/web-whatsapp.js

@@ -0,0 +1,71 @@
+const { createWriteStream } = require('fs')
+const qr = require('qr-image')
+const { Client, LocalAuth } = require('whatsapp-web.js')
+
+//TODO: Acoplamiento OJO
+const { ProviderClass } = require('../../index').botcore
+
+const WebWhatsappVendor = new Client({
+    authStrategy: new LocalAuth(),
+})
+
+/**
+ *  TODO esto se debe mover a un utils.js
+ * @param {*} number
+ * @returns
+ */
+const cleanNumber = (number) => {
+    number = number.replace('@c.us', '')
+    number = `${number}@c.us`
+    return number
+}
+
+const generateImage = (base64) => {
+    let qr_svg = qr.image(base64, { type: 'svg', margin: 4 })
+    qr_svg.pipe(createWriteStream(`${process.cwd()}/qr.svg`))
+    console.log(`⚡ Recuerda que el QR se actualiza cada minuto ⚡'`)
+    console.log(`⚡ Actualiza F5 el navegador para mantener el mejor QR⚡`)
+}
+
+//////////////////////////////////////////////////////
+
+class WebWhatsappProvider extends ProviderClass {
+    vendor
+    constructor(_vendor) {
+        super()
+        this.vendor = _vendor
+
+        this.vendor.on('qr', (qr) => {
+            this.emit('require_action', {
+                eventName: 'require_action',
+                instructions: `Debes escanear el QR Code para iniciar session reivsa qr.svg`,
+            })
+            generateImage(qr)
+        })
+        this.vendor.on('ready', (ready) =>
+            this.emit('ready', { eventName: 'ready', ...ready })
+        )
+        this.vendor.on('auth_failure', (error) =>
+            this.emit('error', { eventName: 'error', ...error })
+        )
+        this.vendor.on('authenticated', (authenticated) =>
+            this.emit('ready', { eventName: 'authenticated', ...authenticated })
+        )
+
+        this.vendor.on('message', (message) =>
+            this.emit('message', { eventName: 'message', ...message })
+        )
+
+        this.vendor.initialize()
+    }
+
+    sendMessage = async (userId, message) => {
+        const number = cleanNumber(userId)
+        return this.vendor.sendMessage(number, message)
+    }
+}
+
+/**
+ * Injectamos!
+ */
+module.exports = new WebWhatsappProvider(WebWhatsappVendor)