notification wa by mqtt broker

config/index.js

@@ -1,8 +1,11 @@
 require("dotenv").config();
+const { default: mqtt } = require("mqtt");
 const sql = require("mssql");
 
 const isProduction = process.env.NODE_ENV === "production";
 
+const endPointWhatsapp = process.env.ENDPOINT_WHATSAPP;
+
 // Config SQL Server
 const config = {
   user: process.env.SQL_USERNAME,
@@ -284,6 +287,34 @@ async function generateKode(prefix, tableName, columnName) {
   return prefix + String(nextNumber).padStart(3, "0");
 }
 
+// Koneksi ke broker MQTT
+const mqttOptions = {
+  clientId: 'express_mqtt_client_' + Math.random().toString(16).substr(2, 8),
+  clean: true,
+  connectTimeout: 4000,
+  username: '', // jika ada
+  password: '', // jika ada
+};
+
+const mqttUrl = 'ws://localhost:1884'; // Ganti dengan broker kamu
+const topic = 'morek';
+
+const mqttClient = mqtt.connect(mqttUrl, mqttOptions);
+
+// Saat terkoneksi
+mqttClient.on('connect', () => {
+  console.log('MQTT connected');
+
+  // Subscribe ke topik tertentu
+  mqttClient.subscribe(topic, (err) => {
+    if (!err) {
+      console.log(`Subscribed to topic "${topic}"`);
+    } else {
+      console.error('Subscribe error:', err);
+    }
+  });
+});
+
 module.exports = {
   checkConnection,
   query,
@@ -293,4 +324,6 @@ module.exports = {
   buildDynamicInsert,
   buildDynamicUpdate,
   generateKode,
+  endPointWhatsapp,
+  mqttClient
 };