Observation is related to Ember data.

Question

I ran into this problem with ember data. I would like it to be paymentMethodDidChangecalled only after the payment has been initialized, but paymentMethodDidChangecalled several times.

When the payment isDirty, I save the object to the backend, but I can not do it this way, because it paymentMethodDidChangestarts when it is payment_methodinstalled, even if it has not changed.

How to configure an observer to belongsTonot trigger until a relationship is built?

App.Payment = DS.Model.extend({
  amount: DS.attr('number'),
  payment_method: DS.belongsTo('payment_method'),

  paymentMethodDidChange: (function() {
    if (!Em.isEmpty(this.get('payment_method')) {
      this.send('becomeDirty');
    }
  }).observes('payment_method').on('init')
})

Answer 1

, , , , , . - , , _ .id payment_method.