AA Hackathon - Example pebblejs app

app.js

/*
 * Example provided by Pebble for the American Airlines - Gogo in flight - Wearable World Hackathon
 * 
 * To use this project, please go to cloudpebble.net and create a new Pebble.js project. 
 * Copy and paste this gist in the app.js file.
 *
 * You will need to update the gogoStatusURL to point to a valid Gogo Inflight test server.
 * An example JSON file is provided too.
 */

var UI = require('ui');
var Vector2 = require('vector2');
var ajax = require('ajax');

var gogoStatusURL = 'http://airborne.gogoinflight.com/abp/ws/absServices/statusTray';

var GogoApp = function() {
  this.fetching = false;

  this.splash = new UI.Card({ title: 'GOGO', backgroundColor: 'white' });
  this.splash.show();

  var self = this;
  setTimeout(function() { self.gogoUpdate(); }, 2000);
};

GogoApp.prototype.gogoUpdate = function() {
  if (!this.fetching) {
    var self = this;
    console.log("Getting flight information from onboard computer");
    ajax( { url: gogoStatusURL, type: 'json' },
          function(data) { self.onGogoData(data); },
          function(error) { self.onGogoError(error) ; });
  }
  else {
    console.log("Not starting a new request. Existing ongoing request...");
  }
};


GogoApp.prototype.onGogoData = function(data) {
  var textField = function (x, y, w, h, text, font, align) {
    if (typeof text !== 'string') { 
      text = '';
    }
    if (typeof font !== 'string') {
      font = 'GOTHIC_18_BOLD';
    }
    if (typeof align !== 'string') {
      align = 'center';
    }
    return new UI.Text({ position: new Vector2(x, y), size: new Vector2(w, h), font: font, textAlign: align, text: text });
  };

  console.log("Got data!");
  // Remove the splashscreen if it was here
  if (this.splash) {
    this.main = new UI.Stage({ backgroundColor: 'black' });
    this.itinerary = textField(0, 0, 144, 40, "...", 'BITHAM_30_BLACK');
    this.main.add(this.itinerary);

    this.flightNumber = textField(0, 40, 144, 20, '', 'GOTHIC_18');
    this.main.add(this.flightNumber);

    this.remainingTime = textField(10, 60, 124, 30, '', 'GOTHIC_28');
    this.main.add(this.remainingTime);

    this.altitude = textField(0, 90, 144, 20, 'Alt: ', 'GOTHIC_18', 'left');
    this.main.add(this.altitude);

    this.speed = textField(0, 110, 144, 58, 'Speed: ', 'GOTHIC_18', 'left');
    this.main.add(this.speed);

    var self = this;

    this.main.on('click', 'select', function(e) {
      console.log("click");
      self.gogoUpdate(); 
    });
    this.main.show();

    this.splash.hide();
    this.splash = null;
  }
  var flightInfo = data.Response.flightInfo;
  console.log("FlightInfo : " + JSON.stringify(flightInfo));
  
  this.flightNumber.text(flightInfo.flightNumberInfo + "   " + flightInfo.tailNumber);
  this.itinerary.text(flightInfo.departureAirportCodeIata + "-" + flightInfo.destinationAirportCodeIata);

  var arrivalTime = new Date(flightInfo.expectedArrival);
  var remainingMinutes = Math.round((arrivalTime.getTime() - Date.now()) / 1000 / 60);
  this.remainingTime.text(Math.round(remainingMinutes / 60) + "h " + remainingMinutes % 60 + "m");

  this.altitude.text('Alt: ' + Math.round(flightInfo.altitude) + " ft");
  this.speed.text('Gnd Speed: ' + Math.round(flightInfo.HSpeed) + ' knots\nVrt Speed: ' + Math.round(flightInfo.VSpeed) + ' ft/s');
  
  console.log('still alive');
};

GogoApp.prototype.onGogoError = function(error) {
  console.log("GoGo error: " + error);
};


new GogoApp();

example-data.json

{ "Response" : { "flightInfo" : { "HSpeed" : 188.69823,
          "VSpeed" : 0,
          "abpVersion" : "3.1.0",
          "airlineCode" : "AAL",
          "airlineCodeIata" : "AA",
          "airlineName" : "American Airlines",
          "altitude" : 11155.200000000001,
          "departureAirportCode" : "KMIA",
          "departureAirportCodeIata" : "MIA",
          "destination" : "SFO",
          "destinationAirportCode" : "KSFO",
          "destinationAirportCodeIata" : "SFO",
          "expectedArrival" : "2014-06-01T06:13:35Z",
          "flightNumberAlpha" : "AAL",
          "flightNumberInfo" : "AAL275",
          "flightNumberNumeric" : 275,
          "latitude" : 37.815100000000001,
          "localTime" : "2014-06-01T04:52:46.0Z0:0",
          "longitude" : -112.4721,
          "origin" : "MIA",
          "tailNumber" : "N943AN",
          "utcTime" : "2014-06-01T04:52:46Z",
          "videoService" : true
        },
      "gogoFacts" : "Did you know that some birds crossing the Caribbean fly at around 10,000 feet? That\\'s the same altitude Gogo service becomes active. In fact, a flock of whooper swans was once detected on radar at 29,000 feet.",
      "serviceInfo" : { "quality" : "Good",
          "remaining" : 1860,
          "service" : "Active"
        },
      "status" : 200
    } }