live_relationships.js

// Defines a live, embedded hasMany relationship that updates automatically

// models

App.ChatRoom = DS.Firebase.LiveModel.extend({
  title: DS.attr("text"),
  messages: DS.hasMany("App.Message", {live: true})
});

App.Message = DS.Firebase.LiveModel.extend({
  text: DS.attr("text"),
  username: DS.attr("text"),
  chatRoom: DS.belongsTo("App.ChatRoom")
});

// adapter options mapping

DS.Firebase.Adapter.map("App.ChatRoom", {
  messages: {embedded: 'always'},
});