Upgrade to Pro — share decks privately, control downloads, hide ads and more …

shinosakarb #11 Rails 4 Pattenrs

Avatar for murajun1978 murajun1978
December 20, 2014
Programming
1
140

shinosakarb #11 Rails 4 Pattenrs

Avatar for murajun1978

murajun1978

December 20, 2014
Tweet

More Decks by murajun1978

See All by murajun1978
How to Enjoy the Murajun’s Style
Avatar for murajun1978 murajun1978
0
56
Building Tebukuro with Hotwire and Rails
Avatar for murajun1978 murajun1978
0
1.3k
Zeitwerk integration in Rails 6.0
Avatar for murajun1978 murajun1978
0
110
Efficient development with GraphQL
Avatar for murajun1978 murajun1978
0
310
Effective Debugging Apps in VS Code
Avatar for murajun1978 murajun1978
1
910
tebukuro
Avatar for murajun1978 murajun1978
0
120
Shinosaka.rb #17 Hands on
Avatar for murajun1978 murajun1978
0
53
New Features in Rails 4.2
Avatar for murajun1978 murajun1978
0
920
FactoryGirl LT
Avatar for murajun1978 murajun1978
1
70

Other Decks in Programming

See All in Programming
Composerが「依存解決」のためにどんな工夫をしているか #phpcon
Avatar for hideki kinjyo o0h
PRO
1
250
Modern Angular with Signals and Signal Store: New Rules for Your Architecture @enterJS Advanced Angular Day 2025
Avatar for Manfred Steyer manfredsteyer
PRO
0
220
システム成長を止めない！本番無停止テーブル移行の全貌
Avatar for さかうぇ sakawe_ee
1
200
AI コーディングエージェントの時代へ：JetBrains が描く開発の未来
Avatar for Masaru Horioka masaruhr
1
140
チームのテスト力を総合的に鍛えて品質、スピード、レジリエンスを共立させる/Testing approach that improves quality, speed, and resilience
Avatar for Hiroki Iseri goyoki
5
870
スタートアップの急成長を支えるプラットフォームエンジニアリングと組織戦略
Avatar for Yusuke Suto sutochin26
1
5.6k
AI時代のソフトウェア開発を考える（2025/07版） / Agentic Software Engineering Findy 2025-07 Edition
Avatar for Takuto Wada twada
PRO
86
29k
10 Costly Database Performance Mistakes (And How To Fix Them)
Avatar for Andrew Atkinson andyatkinson
0
330
Hypervel - A Coroutine Framework for Laravel Artisans
Avatar for Albert Chen albertcht
1
120
効率的な開発手段として VRTを活用する
Avatar for Yosuke Ishikawa ishkawa
0
140
Is Xcode slowly dying out in 2025?
Avatar for 上ちょ / uetyo uetyo
1
270
PipeCDのプラグイン化で目指すところ
Avatar for Warashi warashi
1
270

Featured

See All Featured
Building Applications with DynamoDB
Avatar for Matt Wood mza
95
6.5k
Designing Experiences People Love
Avatar for Jonathan Moore moore
142
24k
[RailsConf 2023] Rails as a piece of cake
Avatar for Vladimir Dementyev palkan
55
5.7k
The Illustrated Children's Guide to Kubernetes
Avatar for Chris Short chrisshort
48
50k
Site-Speed That Sticks
Avatar for Harry Roberts csswizardry
10
690
BBQ
Avatar for Matthew Crist matthewcrist
89
9.7k
Building Adaptive Systems
Avatar for Chris Keathley keathley
43
2.7k
Building Better People: How to give real-time feedback that sticks.
Avatar for Will Jessup wjessup
367
19k
Thoughts on Productivity
Avatar for Jon Yablonski jonyablonski
69
4.7k
Rebuilding a faster, lazier Slack
Avatar for samanthasiow samanthasiow
82
9.1k
Visualization
Avatar for Eitan Lees eitanlees
146
16k
Making the Leap to Tech Lead
Avatar for Ryan Cromwell cromwellryan
134
9.4k

Transcript

  1. Rails 4 Patterns Shinosaka.rb #11

  2. me @murajun1978

  3. Rails 4.2.0 has been released!

  4. new goodies ActionMailer #deliver_later Active Job Web Console Good! Adequate

    Record

  5. Agenda • ActiveRecord::Callbacks • Scope • ActiveSupport::Concern • Decorator •

    ActiveDecorator vs Draper • Helper

  6. Fat Controller

  7. Fat Controller

  8. ActiveRecord::Callbacks

  9. Scope NoMethodError!!

  10. Scope

  11. Scope

  12. Fat Model

  13. ActiveSupport::Concern app/models/concerns/… Class method duplicate :(

  14. Decorator ActiveDecorator view logic… :( $ rails g decorator Post

    app/decorators/…

  15. Decorator Which do you like? ActiveDecorator Draper https://github.com/drapergem/draper https://github.com/amatsuda/active_decorator

  16. Helper content_tag_for <tr id="post_123" class=“post ..”>…</tr> http://localhost/posts#post_123