maxleap-react-native/lib/installation.react-native.js

MaxLeap SDK for ReactNative

'use strict';

var _ = require('underscore');

import * as storage from './storage';

import React, {Platform, NativeModules} from 'react-native';

var MaxLeap = NativeModules.MaxLeapCore;

module.exports = function(ML) {
  /**
   * @class
   *
   * <p>A ML.User object is a local representation of a user persisted to the
   * ML cloud. This class is a subclass of a ML.Object, and retains the
   * same functionality of a ML.Object, but also extends it with various
   * user specific methods, like authentication, signing up, and validation of
   * uniqueness.</p>
   */
  ML.Installation = ML.Object.extend("_Installation", /** @lends ML.User.prototype */ {

     _isCurrentInstallation: false,

    _handleSaveResult: function(makeCurrent) {
        this._refreshCache();
        if(this._isCurrentInstallation){
          ML.Installation._saveCurrentInstallation(this);
        }
    },
    getInstallationId: function() {
      return this.get("installationId");
    }
  },  /** @lends ML.Installation */ {
      // Class Variables
      // The currently installation.
      _currentInstallation: null,

    currentAsync: function() {
      if (ML.Installation._currentInstallation) {
        return ML.Promise.as(ML.Installation._currentInstallation);
      }
      var installPromise = storage.getCurrentInstallation();
      return installPromise.then((data)=>{
        ML.Installation._currentInstallation = ML.Object._create("_Installation");

        if(data){
          var json = JSON.parse(data);
          ML.Installation._currentInstallation.id = json._id;
          delete json._id;
          ML.Installation._currentInstallation._refreshCache();
          ML.Installation._currentInstallation._opSetQueue = [{}];
        }
        return MaxLeap.getDeviceInfo().then(info=>{

          for(let key in info){
            var value = ML.Installation._currentInstallation.get(key);
            if(!value || value!= info[key]){
              ML.Installation._currentInstallation.set(key, info[key]);
            }
          }
          var version = ML.Installation._currentInstallation.get('sdkVersion');
          if(!version || version != ML.VERSION){
            ML.Installation._currentInstallation.set('sdkVersion', ML.VERSION);
          }
        }).then(()=>{
          ML.Installation._currentInstallation._isCurrentInstallation = true;
          return ML.Installation._currentInstallation;
        });
      })
    },

    /**
     * Persists a installation as currentInstallation to localStorage, and into the singleton.
     */
    _saveCurrentInstallation: function(installation) {
      ML.Installation._currentInstallation = installation;
      var json = installation.toJSON();
      storage.saveCurrentInstallation(JSON.stringify(json));
    }

  });
};