promiseproxy service

community.js

import Ember from 'ember';

const { computed, inject, ObjectProxy, PromiseProxyMixin } = Ember;

export default ObjectProxy.extend(PromiseProxyMixin, {
  isServiceFactory: true,
  store: inject.service(),

  promise: computed({
    get() {
      var store = this.get('store');

      return store.findRecord('community', window.community.id);
    }
  })
});