Add new created item to the list not refresh the list properly

controllers-links-new.js

Ch.LinksNewController = Ember.ObjectController.extend({
  needs: 'categories',
  categories: Ember.computed.alias('controllers.categories.model'),
  languages: ['FR', 'EN'],

  categoryNames: function() {
    return this.get('categories').map(function(category) {
      return {
        id: category,
        label: category.get('name')
      };
    });
  }.property('categories.@each'),

  actions: {
    create: function() {
      var self = this;

      this.get('model').save().then(function(link){
        self.send('addNewLink', link);
      }, function() {
        self.set('hasErrors', true);
      });
    }
  }
});

routes-links-index.js

Ch.LinksIndexRoute = Ember.Route.extend({
  queryParams: {
    category: {
      refreshModel: true
    }
  },
  model: function (params) {
    if (params) {
      return this.store.findQuery('link', params);
    } else {
      return this.store.find('link');
    }
    // return this.store.filter('link', params, function(link) {
    //   return true;
    // });
  },
  renderTemplate: function () {
    this._super.apply(this, arguments);

    var currentUser                    = this.currentUser.get('content');
    var sidebarCategoriesController    = this.controllerFor('categories');
    var linksNewController             = this.controllerFor('links.new');
    var store                          = this.store;

    // Fetch categories only if it hasn't been already
    if (Ember.isEmpty(sidebarCategoriesController.get('model'))) {
      sidebarCategoriesController.set('model', store.find('category'));
    }

    if (Ember.isEmpty(linksNewController.get('model'))) {
      var newLink = store.createRecord('link', {user: currentUser});

      linksNewController.set('model', newLink);
    }

    this.render('links-new', {
      outlet: 'links-new',
      into: 'application',
      controller: linksNewController
    });

    this.render('sidebar-categories', {
      outlet: 'sidebar-categories',
      into: 'application',
      controller: sidebarCategoriesController
    });
  },
  actions: {
    addNewLink: function(link) {
      var linksIndexController = this.controllerFor('links.index');
      var categoryParams = linksIndexController.get('category');

      if (Ember.isNone(categoryParams)) {
        this.store.push('Link', link);
        // linksIndexController.get('model').pushObject(link);
      }
    }
  }
});