How to specify async belongsTo/hasMany relationships in emberfire/emder-data?

Question

I am very new at Ember/ED/EmberFire so apologies if this is a trivial question. I am able to save records to Firebase but I am unable to specify relationships to those records i

Answer 1

this.store.find('patient', '-Jl8u8Tph_w4PMAXb9H_') returns a promise.

Try this:

this.store.find('patient', '-Jl8u8Tph_w4PMAXb9H_').then(function(pat) {
     var newEncounter = this.store.createRecord('encounter', {
        dateOfEncounter: this.get('dateOfEncounter'),
        patient: pat       
     });

     newEncounter.save();
});