Arduino Request Router Routes

index.js

const express = require('express');
const router = express.Router();
const rp = require('request-promise');

/* GET home page. */
router.get('/', function (req, res, next) {
    res.render('index');
});

// Forward request directly to arduino on local network
router.post('/forward-directly-to-arduino', async function (req, res) {
    // TODO: Replace this with the local IP address of your arduino
    const arduinoIpAddress = '192.168.10.130';
    const arduinoUrl = 'http://' + arduinoIpAddress;
    const requestJson = req.body;

    const requestOptions = {
        method: 'POST',
        uri: arduinoUrl,
        body: requestJson,
        json: true
    };

    await rp(requestOptions);

    res.sendStatus(200);
});

// Send request to correct device based on a request parameter named device
router.post('/complex-request/:device', async function (req, res) {
    // TODO: Replace these with the local IP addresses of your arduinos
    const arduino1Url = 'http://192.168.10.130';
    const arduino2Url = 'http://192.168.10.131';

    // get the device from the request parameters
    const deviceToSendCommandTo = req.params.device;
    const requestJson = req.body;

    const requestOptions = {
        method: 'POST',
        body: requestJson,
        json: true
    };

    // send request to Arduino 1
    if (deviceToSendCommandTo === '1') {
        requestOptions.uri = arduino1Url;
        await rp(requestOptions);
    }
    // send request to Arduino 2
    else if (deviceToSendCommandTo === '2') {
        requestOptions.uri = arduino2Url;
        await rp(requestOptions);
    }
    // if paramter is anything else, send request to both Arduinos
    else{
        // Send request to Arduino 1
        requestOptions.uri = arduino1Url;
        await rp(requestOptions);

        //Send request to Arduino 2
        requestOptions.uri = arduino2Url;
        await rp(requestOptions);
    }

    res.sendStatus(200);
});

module.exports = router;