Return only events that have more than one booking inside

@Marcelo_Alves wrote:

Hei guys, how are u?

I'm having a hard time to figure it out a solution for my problem. I need return in my email page, only events that have more than one booking inside, and i solve using this piece of code:

export default Route.extend({

  model() {
    return this.store.createRecord('email');
  },

  setupController(controller, model) {
    controller.set('model', model);
    controller.set('events', []);
    this.store.findAll('event').then(events => {
      events.forEach(event => {
        this.store.query('booking', {
          'relationships.event.data.id': event.id
        }).then(bookings => {
          if (bookings.get('length')) {
            controller.get('events').pushObject(event);
          }
        });
      });
    });
  }
});

The problem is: This code is async, so when the user loads the page, first he see's a blank page, than my table with the data appears. I would like to avoid this "flash". Is possible?

Thanks!!

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