ui/app/authenticated/project/help/route.js

import { hash } from 'rsvp';
import $ from 'jquery';
import Route from '@ember/routing/route';
import C from 'ui/utils/constants';

export default Route.extend({
  actions: {
    didTransition: function() {
      $.getJSON(`${C.EXT_REFERENCES.FORUM}/categories.json`).then((response) => {
        let modelOut = {
          resolved: true,
        };

        let promises = {};

        response.category_list.categories.forEach((item) => {
          switch (item.name) {
            case 'Announcements':
              modelOut.announcements = item;
              promises['announcements'] = $.getJSON(`${C.EXT_REFERENCES.FORUM}/c/${item.id}/l/latest.json`);
              break;
            case 'General':
              modelOut.general = item;
              promises['general'] = $.getJSON(`${C.EXT_REFERENCES.FORUM}/c/${item.id}/l/latest.json`);
              break;
            case 'Rancher':
              modelOut.rancher = item;
              promises['rancher'] = $.getJSON(`${C.EXT_REFERENCES.FORUM}/c/${item.id}/l/latest.json`);
              break;
            case 'RancherOS':
              modelOut.rancherOS = item;
              promises['rancherOS'] = $.getJSON(`${C.EXT_REFERENCES.FORUM}/c/${item.id}/l/latest.json`);
              break;
            default:
              break;
          }
        });

        hash(promises).then((hash) => {
          Object.keys(hash).forEach((key) => {
            let topics = hash[key].topic_list.topics.filterBy('pinned',false);
            topics.length = 5;
            modelOut[key].topics = topics;
          });

          this.controller.set('model', modelOut);
        }).catch(fail);
      }, fail);

      return true; //bubble the transition event

      function fail(/*error*/) {
        let modelOut = {
          resolved: true,
          error: true
        };

        this.controller.set('model', modelOut);
      }
    },
  },

  beforeModel: function() {
    this._super(...arguments);
    this.get('store').findAll('host').then((hosts) => {
      this.controllerFor('authenticated.project.help').set('hasHosts', hosts.get('length') > 0);
    });
  },

  resetController: function (controller, isExisting/*, transition*/) {
    if (isExisting)
    {
      controller.set('modelResolved', false);
      controller.set('modelError', false);
    }
  }
});