spotify-trigger.js

var request = require('request-promise')

/**
 * Spotify
 */
var base            = 'https://api.spotify.com/v1/'
var spotify_uri     = process.env.SPOTIFY_URI
var spotify_token   = null
var spotify_refresh = process.env.SPOTIFY_REFRESH_TOKEN
var device_id       = process.env.DEVICE_ID

/**
 * Run the handler
 */
exports.handler = (event, context, callback) => {
  console.log('Received event:', JSON.stringify(event, null, 2))

  request.post({
    url: 'https://accounts.spotify.com/api/token',
    headers: {
      'Authorization': 'Basic #######', // Put your encoded your Spotify credentials here
      'Content-Type': 'application/x-www-form-urlencoded',
    },
    body: 'grant_type=refresh_token&refresh_token=' + spotify_refresh,
  }).then(function (body) {
    var body = JSON.parse(body)
    spotify_token = body.access_token

    return request.put({
      url: base + 'me/player/play',
      headers: {
        'Authorization': 'Bearer ' + spotify_token,
      },
      qs: {
        'device_id': device_id,
      },
      body: {
        'context_uri': spotify_uri,
      },
      json: true,
    })
  }).catch(function (err) {
    console.log(err)
  })
}