blynk-tools/cmds/device/add.js

Tools for working with Blynk IoT Platform

/**
 * Copyright 2017 Volodymyr Shymanskyy
 **/

'use strict';

const chalk = require('chalk')
const debug = require('debug')('Blynk')

const config = require('../../lib/configstore.js')
const { Spinner } = require('../../lib/utils.js')

module.exports = {
  command: 'add [auth]',
  describe: 'Add a known Blynk device',
  builder: (yargs) => {
    yargs
      .option({
        auth: {
          alias: ['token', 't'],
          type: 'string',
          describe: 'Auth token',
          nargs: 1,
        },
        name: {
          alias: ['n'],
          type: 'string',
          describe: 'Device name (defaults to Project Title)',
          nargs: 1,
        },
        server: {
          type: 'string',
          default: config.get('default.server') || 'Blynk',
          describe: 'Server name',
          nargs: 1,
        },
      })
      .demandOption(['server', 'auth'])
      .example('$0 device add e081fa2a03f243398c761c81aec60712 --name=Device1', 'Register a device')
  },
  handler: main
}

async function main(argv) {
  const request = require('request-promise-native')
  const _ = require('lodash')

  if (!_.isError(_.attempt(x => config.findDevice(argv.auth)))) {
    throw new Error(`Device with token ${argv.auth} is already registered`);
  }

  const server = config.findServer(argv.server);
  const rejectUnauthorized = !server['http-api-insecure'];

  let spinner = new Spinner(chalk.cyan.bold('%s') + '  Adding device...');
  spinner.start();

  let project = await request({
    uri: `${server.url}/${argv.auth}/project`,
    json: true,
    rejectUnauthorized,
  });

  let isConnected = await request({
    uri: `${server.url}/${argv.auth}/isHardwareConnected`,
    json: true,
    rejectUnauthorized,
  });

  spinner.stop(true);

  let name = argv.name || project.name || config.newDeviceName();

  if (!_.isError(_.attempt(x => config.findDevice(name)))) {
    throw new Error(`Device with name ${name} is already registered`);
  }

  config.set(`devices["${name}"]`, {
    auth:   argv.auth,
    server: argv.server,
  });

  console.log(isConnected ? chalk.green.bold('●') : '○', '', name);
}