adapter.js

import ApplicationAdapter from './application';
import Ember from 'ember';
import UrlTemplates from "ember-data-url-templates";

const get = Ember.get;

export default ApplicationAdapter.extend(UrlTemplates, {
  adapterContext: Ember.service.inject(),

  queryUrlTemplate: Ember.computed('adapterContext.{company,organization}', function() {
    let adapterContext = this.get('adapterContext');

    if(get(adapterContext, 'company')) {
      return "{+host}/companies/{companyId}/users";
    } else if(get(adapterContext, 'organization')) {
      return "{+host}/organizations/{organizationId}/users";
    } else {
      return "{+host}users/";
    }
  }),

  urlSegments: {
    companyId() {
      return this.get('adapterContext.company.id');
    },
    organizationId() {
      return this.get('adapterContext.organization.id');
    }
  }
});