New Twiddle

adapters.application.js

import DS from "ember-data";

export default DS.JSONAPIAdapter.extend();

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  petsBeginF: Ember.computed('model.pets.@each.name', function() {
      return this.get('model.pets').filter(p => p.get('name') !== undefined && p.get('name').toLowerCase().charAt(0) === 'f');
  }),
  petsBeginG: Ember.computed('model.pets.@each.name', function() {
      return this.get('model.pets').filter(p => p.get('name') !== undefined && p.get('name').toLowerCase().charAt(0) === 'g');
  })
});

initializers.pretender.js

export function returnJSON(status, body) {
  return json(...arguments);
};

export function json(status, body) {
  if (arguments.length === 1) {
    body = status;
    status = 200;
  }
  
  return [
    status,
    { "Content-Type": "application/json" },
    JSON.stringify(body)
  ];
};

export const server = new Pretender();

export function initialize() {
  server.handledRequest = function(verb, path, request) {
    console.log(`handled request to ${verb} ${path}`);
  }

  server.unhandledRequest = function(verb, path, request) {
    console.log(`undhandled request ${verb} ${path}`);
  }
};

export default {
  name: 'pretender',
  initialize
};

models.person.js

import DS from "ember-data";

const { Model, attr } = DS;

export default Model.extend({
  name: attr(),
  pets: DS.hasMany('pet', {async:true})
});

models.pet.js

import DS from 'ember-data';

const { Model, attr } = DS;

export default Model.extend({
  name: attr(),
  person: DS.belongsTo('person', {async:true})
});

routes.application.js

import Ember from 'ember';
import { server, json } from '../initializers/pretender';

server.map(function() {
  this.get('/people/1', function() {
    return json({
      data: {
        type: 'person',
        id: 1,
        attributes: {
          name: 'George Michael Bluth'
        }
      }
    });
  });
  
  this.patch('people/1', function() {
    return [204];
  });
  
  this.get('/pets/1', function() {
    return json({
      data: {
        type: 'pet',
        id: 1,
        attributes: {
          name: 'Felix'
        }
      }
    });
  });
  
  this.delete('/pets/1', function() {
    return [204];
  }, 1100);
  let count = 0;
  this.post('/pets', function(request) {
    count++;
    if (count === 1) {
      return json({
        data: {
          type: 'pet',
          id: 1,
          attributes: {
            name: 'Felix'
          }
        }
      });
    }
    
    return json({
      data: {
        type: 'pet',
        id: 2,
        attributes: {
          name: 'Garfield'
        }
      }
  	});
    
  }, 1140);
});

export default Ember.Route.extend({
  model: function() {
    return this.store.findRecord('person', 1);
  },
  actions: {
    addFirstPet() {
      let record = this.store.createRecord('pet', { 
        name: 'Felix', 
        person: this.get('controller.model')
      }).save();
    },
    addRemovePet() {
      let record = this.store.createRecord('pet', { 
        name: 'Garfield', 
        person: this.get('controller.model')
      });
			
      let promises = []
      let firstPet = this.get('controller.model.pets').objectAt(0);
      promises.addObject(firstPet.destroyRecord());
      promises.addObject(record.save());
      Ember.RSVP.all(promises).then(() => {
        this.get('controller.model').save();
      });
    }
  }
});

serializers.application.js

import DS from "ember-data";

export default DS.JSONAPISerializer.extend();

templates.application.hbs

<p>Name: {{model.name}}</p>

<button {{action 'addFirstPet'}}>Add first pet</button>
<button {{action 'addRemovePet'}}>Add Remove Pet</button>

<h2>Pets with start f:</h2> 
{{#each petsBeginF as |pet id|}}
<p>{{pet.name}}</p>
{{/each}}

<h2>Pets with start g:</h2> 
{{#each petsBeginG as |pet id|}}
<p>{{pet.name}}</p>
{{/each}}

twiddle.json

{
  "version": "0.7.2",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "release",
    "ember-data": "release",
    "ember-template-compiler": "release",
    "route-recognizer": "https://rawgit.com/tildeio/route-recognizer/56f5fcec6ae58d8e86b5dc77609809fb91198142/dist/route-recognizer.js",
    "FakeXMLHttpRequest": "https://rawgit.com/pretenderjs/FakeXMLHttpRequest/23c3a96b5b24f1bfe595867437e4f128a29c2840/fake_xml_http_request.js",
    "pretender": "https://rawgit.com/pretenderjs/pretender/c6de9afe18b1472aded2592f5a80ad9a26a0e262/pretender.js"
  }
}