Designing and building software with Ruby on Rails

In this talk I explained how Ruby on Rails has changed the web and how it influenced other frameworks, also I detailed about the meaning of "On Rails" way and showed that Rails is a solution driven framework.

Transcript

1. Designing and building
   software with Ruby on Rails
   

   View Slide

2. Rodrigo Boniatti
   Developer at Codeminer 42
   
   @boniattirodrigo
   
   rodrigoboniatti.com
   

   View Slide

3. View Slide

4. Talk’s goals
   • How Rails has changed the web
   
   • On Rails way
   
   • Solution driven
   

   View Slide

5. How Rails has changed
   the web
   

   View Slide

6. Startup environment
   

   View Slide

7. Agile movement
   Dave Thomas Martin Fowler
   

   View Slide

8. View Slide

9. Continuos integration
   

   View Slide

10. On Rails way
    • Convention over configuration
    
    • Don’t repeat yourself (DRY)
    
    • Implicit instead of explicit
    
    • Opinionated
    

    View Slide

11. Convention over
    configuration
    

    View Slide

12. > rails g scaffold User name:string age:integer
    enabled:boolean
    

    View Slide

13. invoke active_record
    create db/migrate/create_users.rb
    create app/models/user.rb
    invoke test_unit
    create test/models/user_test.rb
    create test/fixtures/users.yml
    invoke resource_route
    route resources :users
    invoke scaffold_controller
    create app/controllers/users_controller.rb
    invoke erb
    create app/views/users
    create app/views/users/index.html.erb
    create app/views/users/edit.html.erb
    create app/views/users/show.html.erb
    create app/views/users/new.html.erb
    create app/views/users/_form.html.erb
    invoke test_unit
    create test/controllers/users_controller_test.rb
    create test/system/users_test.rb
    

    View Slide

14. invoke active_record
    create db/migrate/create_users.rb
    create app/models/user.rb
    invoke test_unit
    create test/models/user_test.rb
    create test/fixtures/users.yml
    

    View Slide

15. invoke resource_route
    route resources :users
    

    View Slide

16. invoke scaffold_controller
    create app/controllers/users_controller.rb
    invoke erb
    create app/views/users
    create app/views/users/index.html.erb
    create app/views/users/edit.html.erb
    create app/views/users/show.html.erb
    create app/views/users/new.html.erb
    create app/views/users/_form.html.erb
    invoke test_unit
    create test/controllers/users_controller_test.rb
    create test/system/users_test.rb
    

    View Slide

17. class User < ActiveRecord::Base
    end
    

    View Slide

18. User.create!(name: 'Rodrigo', age: 22, enabled: true)
    User.first.name
    => "Rodrigo"
    

    View Slide

19. Rails.application.routes.draw do
    resources :users
    end
    

    View Slide

20. class Post < ActiveRecord::Base
    has_many :comments
    belongs_to :author
    enum status: %i[draft review published]
    end
    

    View Slide

21. post = Post.first
    post.draft?
    post.author_id
    

    View Slide

22. Convention over configuration
    • Table name is plural
    
    • Primary key is called id
    
    • Column names are instance attributes
    

    View Slide

23. Assets pipeline
    • Merge all files
    
    • Minification and compression
    
    • Transpiling
    

    View Slide

24. View Slide

25. Tooling
    

    View Slide

26. View Slide

27. RuboCop rules
    • Class length
    
    • Methods length
    
    • Parameters list
    
    • Unused variable
    
    • Indentation
    

    View Slide

28. View Slide

29. View Slide

30. View Slide

31. View Slide

32. View Slide

33. View Slide

34. View Slide

35. View Slide

36. View Slide

37. View Slide

38. Inspirations
    

    View Slide

39. Conclusion
    • Don't reinvent the wheel
    
    • Funny language
    
    • Plug and play
    

    View Slide

40. Thanks ;)
    

    View Slide