#31 adds proper serialize behavior

addon/serializer.js

@@ -2,6 +2,7 @@ import DS from "ember-data";
 import Ember from 'ember';
 
 let {JSONAPISerializer} = DS;
+let {get} = Ember;
 
 // Reserved keys, per the HAL spec
 let halReservedKeys = ['_embedded', '_links'],
@@ -269,5 +270,93 @@ export default JSONAPISerializer.extend({
     }
 
     return relationships;
+  },
+
+  serialize(snapshot, options){
+    var json = {};
+
+    if (options && options.includeId) {
+      var id = snapshot.id;
+
+      if (id) {
+        json[get(this, 'primaryKey')] = id;
+      }
+    }
+
+    snapshot.eachAttribute((key, attribute) => {
+      this.serializeAttribute(snapshot, json, key, attribute, options);
+    });
+
+    snapshot.eachRelationship((key, relationship) => {
+      if (relationship.kind === 'belongsTo') {
+        this.serializeBelongsTo(snapshot, json, relationship, options);
+      } else if (relationship.kind === 'hasMany') {
+        this.serializeHasMany(snapshot, json, relationship, options);
+      }
+    });
+
+    return json;
+  },
+
+  serializeAttribute(snapshot, json, key, attribute/*, options */) {
+    var type = attribute.type;
+
+    if (this._canSerialize(key)) {
+      var value = snapshot.attr(key);
+      if (type) {
+        var transform = this.transformFor(type);
+        value = transform.serialize(value);
+      }
+
+      var payloadKey = this._getMappedKey(key);
+
+      if (payloadKey === key && this.keyForAttribute) {
+        payloadKey = this.keyForAttribute(key, 'serialize');
+      }
+
+      json[payloadKey] = value;
+    }
+  },
+
+  serializeBelongsTo(snapshot, json, relationship, options) {
+    var key = relationship.key;
+
+    if (this._canSerialize(key)) {
+      var belongsTo = snapshot.belongsTo(key);
+      if (belongsTo !== undefined) {
+
+
+        var payloadKey = this._getMappedKey(key);
+        if (payloadKey === key) {
+          payloadKey = this.keyForRelationship(key, 'belongsTo', 'serialize');
+        }
+
+        if (belongsTo) {
+          json._embedded = json._embedded || {};
+          json._embedded[key] = this.serialize(belongsTo, options);
+        }
+      }
+    }
+  },
+  serializeHasMany(snapshot, json, relationship, options) {
+    var key = relationship.key;
+
+    if (this._shouldSerializeHasMany(snapshot, key, relationship)) {
+      var hasMany = snapshot.hasMany(key);
+      if (hasMany !== undefined) {
+
+        json._embedded = json._embedded || {};
+        json._embedded[key] = json._embedded[key] || [];
+
+        var payloadKey = this._getMappedKey(key);
+        if (payloadKey === key && this.keyForRelationship) {
+          payloadKey = this.keyForRelationship(key, 'hasMany', 'serialize');
+        }
+
+        hasMany.forEach((item) => {
+          json._embedded[key].push(this.serialize(item, options));
+        });
+      }
+    }
   }
 });

tests/dummy/app/models/user.js

@@ -0,0 +1,12 @@
+import DS from 'ember-data';
+
+let {attr} = DS;
+
+export default DS.Model.extend({
+  email: attr('string'),
+  user_type: attr('string'),
+  profile: attr(),
+  _updated: attr('string'),
+  _created: attr('string'),
+  _etag: attr('string')
+});

tests/dummy/app/serializers/application.js

@@ -2,6 +2,11 @@ import HalSerializer from "ember-data-hal-9000/serializer";
 import Ember from 'ember';
 
 export default HalSerializer.extend({
+  attrs: {
+    attributes: {serialize: true},
+    owner: {serialize: true}
+  },
+
   keyForRelationship(key) {
     return Ember.String.underscore(key);
   }

tests/unit/models/serialize-test.js

@@ -0,0 +1,113 @@
+import {
+  test,
+  moduleForModel
+} from "ember-qunit";
+import { stubRequest } from 'ember-cli-fake-server';
+import Ember from "ember";
+
+let {extend} = Ember.$;
+let {RSVP} = Ember;
+
+moduleForModel('car', 'serialize', {
+  needs: ['serializer:application', 'adapter:application', 'transform:temperature',
+    'model:attribute', 'model:user', 'model:team', 'model:wheel', 'model:owner']
+});
+
+test('serializes loaded record relationships (hasMany, belongsTo) with `serialize: true`', function (assert) {
+  assert.expect(1);
+  const INPUT = {
+    id: 1,
+    make: 'foo',
+    model: 'bar',
+
+    _links: {
+      self: {href: '/cars/1'},
+      attributes: {href: '/cars/1/attributes'},
+      owner: {href: '/cars/1/owner'}
+    }
+  };
+
+  stubRequest('get', `/cars/${INPUT.id}`, (request) =>
+    request.ok(INPUT));
+
+  stubRequest('get', `/cars/${INPUT.id}/owner`, (request) =>
+    request.ok({
+      id: 'owner1',
+      name: 'owner #1',
+      _links: {
+        self: { href: "/owners/owner1" }
+      }
+    }));
+
+  stubRequest('get', '/cars/1/attributes', (request) => {
+    request.ok({
+      _links: {self: {href: '/cars/1/attributes'}},
+      _embedded: {
+        attributes: [{
+          id: 'some-attribute',
+          attributes: 2
+        }]
+      }
+    });
+  });
+
+  stubRequest('patch', `/cars/${INPUT.id}`, (request) => {
+    assert.deepEqual(JSON.parse(request.requestBody), {
+      "_embedded": {
+        "attributes": [{
+          "attributes": 2,
+          "id": "some-attribute"
+        }],
+        "owner": {
+          "id": "owner1",
+          "name": "owner #1"
+        }
+      },
+      "id": "1",
+      "make": "foo",
+      "model": "bar"
+    });
+    request.ok(INPUT);
+  });
+
+  const store = this.store();
+  return Ember.run(() =>
+    store.findRecord('car', INPUT.id).then((car) =>
+      RSVP.all([
+        car.get('attributes'),
+        car.get('owner')
+      ]).then(() => {
+        return car.save();
+      })));
+});
+
+test('serializes record correctly', function (assert) {
+  assert.expect(2);
+  const INPUT = {
+      "id": "55b21c520fabf0ba57bf0631",
+      "email": "user@site.com",
+      "user_type": "power",
+      "profile": {
+        "nickname": "SuperJoe",
+        "bio": null
+      },
+      "_updated": "Fri, 24 Jul 2015 11:06:58 GMT",
+      "_created": "Fri, 24 Jul 2015 11:06:58 GMT",
+      "_etag": "f6687527bd6a10205d7c1462109e6193b58c8ae9"
+    };
+
+  stubRequest('get', `/users/${INPUT.id}`, (request) =>
+    request.ok(INPUT));
+
+  stubRequest('patch', `/users/${INPUT.id}`, (request) => {
+    assert.deepEqual(JSON.parse(request.requestBody), INPUT);
+    request.ok(INPUT);
+  });
+
+  const store = this.store();
+  return Ember.run(() =>
+    store.findRecord('user', INPUT.id).then((user) => {
+      assert.deepEqual(user.toJSON({includeId: true}), INPUT);
+      user.save();
+    }));
+});

tests/unit/models/transformers-test.js

@@ -25,7 +25,7 @@ test('transforms attributes using transformers', function(assert){
 
   stubRequest('patch', '/requirements/1', (request) => {
     let body = JSON.parse(request.requestBody);
-    assert.strictEqual(body.data.attributes.temperature, 50);
+    assert.strictEqual(body.temperature, 50);
 
     request.noContent();
   });