Hub_Health_SmartApp

server.js

'use strict';

const express = require('express');
const bodyParser = require('body-parser');
const SmartApp = require('@smartthings/smartapp');
require('dotenv').config();

const server = module.exports = express();
server.use(bodyParser.json());

const app = new SmartApp()



/* Handles lifecycle events from SmartThings */
server.post('/', async (req, res) => {
    app.handleHttpCallback(req, res);
});

/* Defines the SmartApp */
app.enableEventLogging(2)  // Log and pretty-print all lifecycle events and responses
    .configureI18n()      // Use files from locales directory for configuration page localization
    .appId("hub-subscription")
    .permissions(["r:devices:*","r:hubs:*","r:locations:*"])
    .page('mainPage', (context, page, configData) => {
    })
    .updated(async (context, updateData) => {
        await context.api.subscriptions.unsubscribeAll();
        return Promise.all([
            context.api.subscriptions.subscribeToHubHealth('hubEventHandler')
        ])
    })
    .subscribedHubHealthEventHandler('hubEventHandler', (context, deviceEvent) => {
        console.log('hub event ',deviceEvent)
    });    

/* Starts the server */
let port = process.env.PORT;
server.listen(port);
console.log(`Open: http://127.0.0.1:${port}`);