Example indiexpo API implementation in Javascript

example.js

/*
 * An usage example of the previous library
 */

function loadData() {
  // Send score 1
  indiexpo.sendScore(1).then(function(data) {
    console.log('score sent, response:', data);
  });
  // Get current user username
  indiexpo.getUserData().then(function(data) {
    console.log('user data, response:', data);
  });
  // Gets the current score chart
  indiexpo.getScores().then(function(data) {
    console.log('current scores, response:', data);
  });
}

var indiexpo = new IndiexpoClient('YOUR GAME KEY HERE');
// If the user is already logged in previously
if (indiexpo.isAuthenticated()) {
  loadData();
} else {
  // Requesting user key.
  // If you're outside the indiexpo iframe, it asks for copy/paste the code from a popup window.
  // Otherwise, it uses an xhr request
  indiexpo.requestUserKey()
    .then(function(userKey) {
      // 
      indiexpo.authenticate(userKey).then(function(data) {
        console.log('Correctly authenticated!');
        loadData();
      });
    });
}

indiexpo_api.js

/*
 * JQuery based API client for indiexpo
 *
 */

(function($) {
  var BASE_URL = 'http://www.indiexpo.dev/api/v1/';

  function IndiexpoClient(gameKey) {
    this.gameKey = gameKey;
    this.accessToken = localStorage.getItem('indiexpo_access_token');
  }

  IndiexpoClient.prototype.requestUserKey = function(cb) {
    var q = $.Deferred();
    if (window.location.hostname == 'assets.indiexpo.net') {
      return $.get(BASE_URL + 'authentication');
    } else {
      window.open(BASE_URL + 'authentication');
      setTimeout(function() {
        var val = prompt('Insert your user code. (Please allow your popup block)');
        if (val) {
          q.resolve(val);
        } else {
          q.reject();
        }
      }, 0);
      return q;
    }
  };

  IndiexpoClient.prototype.isAuthenticated = function() {
    return !!this.accessToken;
  };

  IndiexpoClient.prototype.authenticate = function(userToken) {
    var that = this;
    var q = $.Deferred();
    $.post({
      url: BASE_URL + 'authentication',
      data: { game_key: this.gameKey, user_token: userToken }
    })
    .then(
      function(data) {
        that.accessToken = data.access_token;
        localStorage.setItem('indiexpo_access_token', that.accessToken);
        q.resolve(that.accessToken);
      },
      function() {
        localStorage.removeItem('indiexpo_access_token');
        q.reject();
      }
    );
    return q;
  };

  IndiexpoClient.prototype.sendScore = function(score) {
    if (!this.accessToken) {
      throw 'Missing authentication. Please call IndiexpoClient.authenticate(...)';
    }
    return $.post({
      url: BASE_URL + 'score',
      headers: { 'Authentication': "bearer " + this.accessToken },
      data: { score: score }
    });
  };

  IndiexpoClient.prototype.getUserData = function() {
    if (!this.accessToken) {
      throw 'Missing authentication. Please call IndiexpoClient.authenticate(...)';
    }
    return $.get({
      url: BASE_URL + 'user',
      headers: { 'Authentication': "bearer " + this.accessToken }
    });
  };

  IndiexpoClient.prototype.getScores = function() {
    if (!this.accessToken) {
      throw 'Missing authentication. Please call IndiexpoClient.authenticate(...)';
    }
    return $.get({
      url: BASE_URL + 'scores',
      headers: { 'Authentication': "bearer " + this.accessToken }
    });
  };

  window.IndiexpoClient = IndiexpoClient;
})($);