kango user model

popup.js

  User = Backbone.Model.extend({
    fetch: function() {
      var xhr = {
        url: 'http://mailican.com/api/user.json',
        method: 'GET',
        async: true,
        contentType: 'json'
      };
      var self = this;
      kango.xhr.send(xhr, function(data) {
        if (data.status == 401) {
          var signin = new SignInView();
          signin.render();
        } else {
          self.set(data.response.user);
        }
      });
    }
  });