Relationships

adapters.application.js

import Adapter from "ember-data/adapters/json-api";

export default Adapter.extend();

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.author.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  name: DS.attr('string'),
  books: DS.hasMany('book', { async: true })
});

models.book.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  title: DS.attr('string'),
  author: DS.belongsTo('author')
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('author', { path: '/:authorId' }, function () {
    this.route('books', { path: '/' });
  });
});

export default Router;

routes.application.js

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

server.map(function() {
  this.get('/authors', function() {
    return json({
      data: [
        { 
          id: 1, 
          type: 'author',
         	attributes: {
            name: 'Author 1'
          },
          relationships: {
            books: {
              links: {
                related: '/authors/1/books'
              }
            }
          }
        },
        { 
          id: 2, 
          type: 'author',
         	attributes: {
            name: 'Author 2'
          },
          relationships: {
            books: {
              links: {
                related: '/authors/2/books'
              }
            }
          }
        },
        { 
          id: 3, 
          type: 'author',
         	attributes: {
            name: 'Author 3'
          },
          relationships: {
            books: {
              links: {
                related: '/authors/3/books'
              }
            }
          }
        }
      ]
    });
  });
});

export default Ember.Route.extend({
  model: function() {
    return this.get('store').findAll('author');
  }
});

routes.author.books.js

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

server.map(function() {
  this.get('/authors/:id/books', function(request) {
    var id = request.params.id;
    var data = [
      {
        id: '1-' + id, 
        type: 'book',
        attributes: {
          title: 'Book 1 of Author ' + id
        }
      },
      {
        id: '2-' + id, 
        type: 'book',
        attributes: {
          title: 'Book 2 of Author ' + id
        }
      }
    ];
    if (id === '2') {
      data = [];
    }
    return json({data});
  });
});

export default Ember.Route.extend({
  model() {
    const author = this.modelFor('author');
    return author.hasMany('books').reload();
  }
});

routes.author.js

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

const { RSVP } = Ember;

server.map(function() {
  this.get('/authors/:id', function(request) {
    var id = request.params.id;
    return json({
      data: { 
          id: id, 
          type: 'author',
         	attributes: {
            name: 'Author ' + id
          },
          relationships: {
            books: {
              links: [{
                related: '/author/' + id + '/books'
              }]
            }
          }
        }
    });
  }, 500);
});

export default Ember.Route.extend({
  model(params) {
    return this.store.findRecord('author', params.authorId, { reload: true });
  }
});

serializers.application.js

import Serializer from "ember-data/serializers/json-api";

export default Serializer.extend();

templates.application.hbs

<h2>My Library</h2>
<hr>

{{#each model as |author| }}
	<p>
  {{link-to author.name "author.books" author.id}}
  </p>
{{/each}}

{{outlet}}

templates.author.books.hbs

<h3>{{model.length}} Books:</h3>

<ul>
  {{#each model as |book|}}
    <li>
      {{book.title}}
    </li>
  {{/each}}
</ul>

{{outlet}}

templates.author.hbs

<h2>{{model.name}}</h2>

{{outlet}}

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "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"
  },
  "addons": {}
}