Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Optimizing an API for Ember Data
Search
Dan Gebhardt
February 15, 2013
Programming
32
4.6k
Optimizing an API for Ember Data
Presentation given at Ember Camp 2013.
Dan Gebhardt
February 15, 2013
Tweet
Share
More Decks by Dan Gebhardt
See All by Dan Gebhardt
An Introduction to the JSON:API Specification
dgeb
5
790
Worker power!
dgeb
0
480
Modern Ember
dgeb
0
140
The Future of Data in Ember
dgeb
0
440
Give Apps Online Superpowers by Optimizing them for Offline
dgeb
2
210
Overview of Orbit.js
dgeb
0
110
Introducing Ember Engines
dgeb
4
3.5k
Introducing JSON API
dgeb
5
710
Fault Tolerant UX
dgeb
4
950
Other Decks in Programming
See All in Programming
OWASP Kansai DAY 2025.09: OSINTにふれてみよう
deka_morita
0
150
ИИ-Агенты в каждый дом – Алексей Порядин, PythoNN
sobolevn
0
140
Conquering Massive Traffic Spikes in Ruby Applications with Pitchfork
riseshia
0
110
Reactをクライアントで使わない
yusukebe
7
5.6k
ててべんす独演会〜Flowの全てを語ります〜
tbsten
1
210
半自動E2Eで手っ取り早くリグレッションテストを効率化しよう
beryu
6
2.1k
なぜGoのジェネリクスはこの形なのか? Featherweight Goが明かす設計の核心
ryotaros
7
820
複雑なフォームに立ち向かう Next.js の技術選定
macchiitaka
4
1.1k
より安全で効率的な Go コードへ: Protocol Buffers Opaque API の導入
shwatanap
3
1.1k
AI Agents: How Do They Work and How to Build Them @ Shift 2025
slobodan
0
130
GitHub Actions × AWS OIDC連携の仕組みと経緯を理解する
ota1022
0
170
CSC305 Lecture 03
javiergs
PRO
0
170
Featured
See All Featured
The Art of Programming - Codeland 2020
erikaheidi
56
13k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.5k
The Language of Interfaces
destraynor
162
25k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.7k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
140
34k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
188
55k
GraphQLとの向き合い方2022年版
quramy
49
14k
Reflections from 52 weeks, 52 projects
jeffersonlam
352
21k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
Building an army of robots
kneath
306
46k
Optimising Largest Contentful Paint
csswizardry
37
3.4k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Transcript
Optimizing An API For Ember Data Dan Gebhardt Saturday, February
16, 13
Dan Gebhardt @dgeb Saturday, February 16, 13
Convention Configuration Saturday, February 16, 13
“Trivial choices are the enemy” - Yehuda Katz Saturday, February
16, 13
Ruby on Rails ActiveModel::Serializers Ember.js Ember Data Saturday, February 16,
13
Saturday, February 16, 13
“What” not “how” DRY Customizable ActiveModel::Serializers Saturday, February 16, 13
Ember Data In memory store Canonical records Multi-layered architecture Customizable
adapters / serializers Saturday, February 16, 13
underscore_naming include root element id: 1, fk_id: 1, fk_ids: [1]
conventions for including related data AM::S Conventions Saturday, February 16, 13
DS.RESTAdapter Conventions underscore_naming include root element id: 1, fk_id: 1,
fk_ids: [1] conventions for including related data Saturday, February 16, 13
DS.RESTAdapter Conventions underscore_naming include root element id: 1, fk_id: 1,
fk_ids: [1] conventions for including related data IDENTICAL TO ActiveModel::Serializers Saturday, February 16, 13
class ApplicationSerializer < ActiveModel::Serializer # sideload related data by default
embed :ids, include: true end A Sprinkling of Configuration Saturday, February 16, 13
Relationships source: twitamore.com Saturday, February 16, 13
One-to-Many Relationships App.Post = DS.Model.extend({ title: DS.attr('string'), comments: DS.hasMany('App.Comment') });
App.Comment = DS.Model.extend({ body: DS.attr('string'), post: DS.belongsTo('App.Post') }); Saturday, February 16, 13
class PostSerializer < ApplicationSerializer attributes :title has_many :comments end class
CommentSerializer < ApplicationSerializer attributes :body belongs_to :post end One-to-Many Relationships Saturday, February 16, 13
{ post: { id: 1, title: 'Ember is Omakase', comment_ids:
[4, 5, 6] }, comments: [ {id: 4, post_id: 1, body: 'delicious!'}, {id: 5, post_id: 1, body: 'yuno turbolinks?'}, {id: 6, post_id: 1, body: 'is that a tentacle?'} ] } JSON One-to-Many Relationships Saturday, February 16, 13
One-to-One Relationships App.User = DS.Model.extend({ name: DS.attr('string'), rights: DS.belongsTo('App.Rights') });
App.Rights = DS.Model.extend({ admin: DS.attr('boolean'), user: DS.belongsTo('App.User') }); Saturday, February 16, 13
class UserSerializer < ApplicationSerializer attributes :id, :name has_one :rights end
class RightsSerializer < ApplicationSerializer attributes :id, :admin belongs_to :user end One-to-One Relationships Saturday, February 16, 13
{ user: { id: 1, name: '', rights_id: 2 },
rights: [{ id: 2, admin: true, user_id: 1 }] } JSON One-to-One Relationships Saturday, February 16, 13
One-to-None Relationships App.User = DS.Model.extend({ name: DS.attr('string'), rights: DS.belongsTo('App.Rights') });
App.Rights = DS.Model.extend({ admin: DS.attr('boolean') }); Saturday, February 16, 13
class UserSerializer < ApplicationSerializer attributes :id, :name has_one :rights end
class RightsSerializer < ApplicationSerializer attributes :id, :admin end One-to-None Relationships Saturday, February 16, 13
{ user: { id: 1, name: '', rights_id: 2 },
rights: [{ id: 2, admin: true }] } JSON One-to-None Relationships Saturday, February 16, 13
Many-to-Many Relationships App.Post = DS.Model.extend({ title: DS.attr('string'), body: DS.attr('string'), tags:
DS.hasMany('App.Tag') }); App.Tag = DS.Model.extend({ name: DS.attr('string'), posts: DS.hasMany('App.Post') }); Saturday, February 16, 13
class PostSerializer < ApplicationSerializer attributes :id, :title, :body has_many :tags
end class TagSerializer < ApplicationSerializer attributes :id, :name has_many :posts end Many-to-Many Relationships Saturday, February 16, 13
{ posts: [ {id: 1, title: 'Hello world', tag_ids: [11,
12]}, {id: 2, title: 'Goodbye', tag_ids: [11, 13]} ], tags: [ {id: 11, name: 'announcements', post_ids: [1,2]}, {id: 12, name: 'happy', post_ids: [1]}, {id: 13, name: 'sad', post_ids: [2]} ] } JSON Many-to-Many Relationships Saturday, February 16, 13
Many-to-None Relationships App.Post = DS.Model.extend({ title: DS.attr('string'), body: DS.attr('string'), tags:
DS.hasMany('App.Tag') }); App.Tag = DS.Model.extend({ name: DS.attr('string') }); Saturday, February 16, 13
class PostSerializer < ApplicationSerializer attributes :id, :title, :body has_many :tags
end class TagSerializer < ApplicationSerializer attributes :id, :name end Many-to-None Relationships Saturday, February 16, 13
{ posts: [ {id: 1, title: 'Hello world', tag_ids: [11,
12]}, {id: 2, title: 'Goodbye', tag_ids: [11, 13]} ], tags: [ {id: 11, name: 'announcements'}, {id: 12, name: 'happy'}, {id: 13, name: 'sad'} ] } JSON Many-to-None Relationships Saturday, February 16, 13
Embedded Relationships Creative Commons licensed by: Subhash Chandra Saturday, February
16, 13
{ post: { id: 1, title: 'Ember is Omakase', comments:
[ {id: 4, body: 'delicious!'}, {id: 5, body: 'yuno turbolinks?'}, {id: 6, body: 'is that a tentacle?'} ] } } JSON Serialized Embedded Data Saturday, February 16, 13
class PostSerializer < ApplicationSerializer attributes :title has_many :comments, embed: :objects
end class CommentSerializer < ApplicationSerializer attributes :body belongs_to :post end Embedded Data Serializers Saturday, February 16, 13
Embedded Read-only Data App.Post = DS.Model.extend({ title: DS.attr('string'), comments: DS.hasMany('App.Comment')
}); App.Comment = DS.Model.extend({ body: DS.attr('string') }); serializer.map('App.Post', { comments: {embedded: 'load'} }); Saturday, February 16, 13
Embedded Writeable Data App.Post = DS.Model.extend({ title: DS.attr('string'), comments: DS.hasMany('App.Comment')
}); App.Comment = DS.Model.extend({ body: DS.attr('string') }); serializer.map('App.Post', { comments: {embedded: 'always'} }); Saturday, February 16, 13
Customizations Saturday, February 16, 13
{ hobbit: {id: 1, name: 'Bilbo'} } { hobbitses: [
{id: 1, name: 'Bilbo'} {id: 2, name: 'Frodo'} {id: 3, name: 'Samwise'} ] } JSON Custom Pluralization Saturday, February 16, 13
Custom Pluralization serializer.configure('plurals', { hobbit: 'hobbitses' }); Saturday, February 16,
13
{ post: { id: 1, titleOfPost: 'Ember is Omakase' }
} JSON Custom Keys Saturday, February 16, 13
Custom Keys serializer.map('App.Post', { title: {key: 'titleOfPost'} }); Saturday, February
16, 13
{ post: { id: 1, title: 'Ember is Omakase', comment_ids:
[4, 5, 6] }, post_comments: [ {id: 4, post_id: 1, body: 'delicious!'}, {id: 5, post_id: 1, body: 'yuno turbolinks?'}, {id: 6, post_id: 1, body: 'is that a tentacle?'} ] } JSON Custom Sideloading Saturday, February 16, 13
Custom Sideloading serializer.configure('App.Comment', { sideloadAs: 'post_comments' }); Saturday, February 16,
13
Custom Transforms Adapter.registerTransform('excitableString', { serialize: function(value) { return value +
'!'; }, deserialize: function(value) { return value.substring(0, value.length - 1); } }); App.Greeting = DS.Model.extend({ message: DS.attr('excitableString') }); Saturday, February 16, 13
Custom URLs adapter.set('namespace', 'ember'); person = store.find(Person, 1); // =>
/ember/people/1 adapter.set('url', 'http://api.ember.dev'); person = store.find(Person, 1); // => http://api.ember.dev/people/1 Saturday, February 16, 13
Bulk Commits adapter.set('bulkCommit', true); store.createRecord(App.Person, {name: 'tomdale'}); store.createRecord(App.Person, {name: 'wycats'});
store.commit(); // POST to /people // {people: [{name: 'tomdale'}, {name: 'wycats'}]} Saturday, February 16, 13
Edge of Convention Pagination Authentication Sparse fieldsets Custom includes Polymorphism
Creative Commons licensed by: _chrisUK Saturday, February 16, 13
Resources https://github.com/dgeb/ember_data_example https://github.com/rails-api/active_model_serializers http://stackoverflow.com/questions/tagged/ember-data Saturday, February 16, 13