discourse/app/assets/javascripts/admin/routes/admin-email-incomings.js.es6

import IncomingEmail from 'admin/models/incoming-email';

export default Discourse.Route.extend({

  model() {
    return IncomingEmail.findAll({ status: this.get("status") });
  },

  setupController(controller, model) {
    controller.set("model", model);
    controller.set("filter", { status: this.get("status") });
  }

});