VENVersionTracker with DryDock on Parse

app.js

// These two lines are required to initialize Express in Cloud Code.
var express = require('express');
var app = express();
var versionTracker = require('cloud/versionTracker.js');

// Global app configuration section
app.set('views', 'cloud/views');  // Specify the folder to find templates
app.set('view engine', 'ejs');    // Set the template engine
app.use(express.bodyParser());    // Middleware for reading request body

app.get('/track/:channel', function(req, res) {
  var channel = req.params.channel;
  var bundleIdentifier = req.query['bundle_identifier'];
  versionTracker.versionPackageForTrackerRequest(bundleIdentifier, channel).then(function(versionPackage) {
    return res.send(versionPackage);
  }, function(error) {
    return res.status(500).send(error);
  });
});

app.listen();

versionTracker.js

var VDDModelApp = Parse.Object.extend("VDDModelApp");

var versionPackageForTrackerRequest = function(bundleIdentifier, channel) {
  var promise = new Parse.Promise();

  var modelAppQuery = new Parse.Query(VDDModelApp);
  modelAppQuery.equalTo("bundle_identifier", bundleIdentifier);
  modelAppQuery.equalTo("version_channel", channel);
  modelAppQuery.first().then(function(modelApp) {
    if (!modelApp) {
      promise.reject("No model app found that matches bundleIdentifier: " + bundleIdentifier + " and channel: " + channel);
    } else {
      var returnPackage = {};
      var versionPackage = {};
      versionPackage["number"] = modelApp.get("version_number");
      versionPackage["mandatory"] = modelApp.get("mandatory_update") || false;
      versionPackage["install_url"] = modelApp.get("install_url");
      returnPackage["version"] = versionPackage;
      promise.resolve(returnPackage);
    }
  });

  return promise;
};

module.exports.versionPackageForTrackerRequest = versionPackageForTrackerRequest;