shinosakarb #11 Rails 4 Pattenrs

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