Ruby on Ales 2012 - Made in Japan

Presentation slides for Ruby on Ales 2012, March 02, 2012: http://ruby.onales.com/
SpeakerRate: http://speakerrate.com/talks/9379-made-in-japan-how-we-use-rails-in-the-land-of-ruby

Transcript

1. Made In Japan Akira Matsuda
2. rails new % rails new ruby_on_ales % git init, add, commit
3. whoami ★name: Akira Matsuda ★twitter: @a_matsuda ★github: amatsuda
4. I do ★Ruby ★Rails
5. Japan
6. Ruby
7. DEMO
8. before do ★ Gemfile gem 'rspec-rails' gem 'capybara-webkit' ★ % rails g rspec:install
9. begin
10. action_args https://github.com/asakusarb/action_args
12. Installation ★ Gemfile gem 'action_args' ★ % bundle
13. generate scaffold % rails g scaffold ale name price:integer % rake db:migrate
14. It works! % rails s
15. It’s green! % rails g rspec:install % rake spec
16. interactive_rspec https://github.com/amatsuda/ interactive_rspec
17. Installation ★ Gemfile gem 'interactive_rspec' ★ % bundle
18. Usage % rails c > irspec > (1+1).should eq(2)
19. spec a = AlesController.new a.index a.instance_variable_get('@ales').should eq(Ale.all)
20. runnig request specs % rake spec:requets
21. a request spec ★ spec/requests/ales_spec.rb feature "Ales" do scenario 'creating an ale' do visit '/ales/new' ll_in 'ale_name', :with => 'ruby' ll_in 'ale_price', :with => '1' click_button 'Create Ale' page.should have_content('ruby') end end
22. hocus_pocus https://github.com/amatsuda/hocus_pocus
23. Installation ★ Gemfile gem 'hocus_pocus' ★ % bundle
24. generating request specs
25. Adding a label image
26. Using good ol’ helpers ★ app/helpers/ales_helper.rb def lagel_image(ale) image_tag("#{ale.name}.png") end ★ app/views/ales/index.html.erb <td><%= label_image(ale) %></td>
27. active_decorator https://github.com/amatsuda/ active_decorator
28. Installation ★ Gemfile gem 'active_decorator' ★ % bundle
29. generating a decorator % rails g decorator ale
30. Decorate! ★ app/decorators/ale_decorator.rb def label_image image_tag "#{name}.png" end ★ app/views/ales/index.html.erb <td><%= ale.label_image %></td>
31. Validating models ★ app/models/ale.rb validates_presence_of :name
32. HTML5 has client-side validation ★ app/views/ales/_form.html.erb <%= f.text_ eld :name, required: 'required' %>
33. Not DRY ★ app/models/ale.rb validates_presence_of :name ★ app/views/ales/_form.html.erb <%= f.text_ eld :name, required: 'required' %>
34. html5_validators https://github.com/amatsuda/ html5_validators
35. Installation ★ Gemfile gem 'html5_validators' ★ % bundle
36. I18n
37. i18n_generators https://github.com/amatsuda/ i18n_generators
38. Installation ★ Gemfile gem 'i18n_generators' ★ % bundle
39. generate i18n % rails g i18n ja
40. generate i18n (more) % rails g i18n fr % rails g i18n pt-br
41. Pagination
42. Kaminari https://github.com/amatsuda/kaminari http://railscasts.com/episodes/254- pagination-with-kaminari
43. Installation ★ Gemfile gem 'kaminari' ★ % bundle
44. Paginate! ★ app/controllers/ales_controller.rb def index(page) @ales = Ale.page(page) end
45. hocus_pocus (Reprise) https://github.com/amatsuda/hocus_pocus
46. end