Slim Ruby on Rails: Controllers & Middlewares

Transcript

1. Slim Ruby on Rails: Controllers & Middlewares Krzysztof Wawer

2. Request https://medium.com/@christemple/what-is-rack-in-ruby-7e0615f1d9b6

3. Request Rack App Middlewares log auth cache HTTP Request HTTP

   Response

4. Middleware

5. Rack Middleware http://railscasts.com/episodes/151-rack-middleware

6. Ruby on Rails Middleware stack $ rails new app $

   rails new app --api $ rake middleware http://guides.rubyonrails.org/rails_on_rack.html#configuring-middleware-stack

7. Ruby on Rails Middleware stack use Rack::MethodOverride use Sprockets::Rails::QuietAssets use

   WebConsole::Middleware use ActionDispatch::Cookies use ActionDispatch::Session::CookieStore use ActionDispatch::Flash http://guides.rubyonrails.org/rails_on_rack.html#configuring-middleware-stack

8. RoR Middlewares problem https://github.com/rails/rails/blob/master/railties/lib/rails/application/default_middleware_stack.rb

9. http://paulserraino.com/rails/2016/02/29/rails-mountable-engines.html Rails Engines

10. Ruby on Rails Engine http://tech.taskrabbit.com/blog/2014/02/11/rails-4-engines/

11. Controller

12. None
13. None

14. ActionController::Base http://api.rubyonrails.org/classes/ActionController/Base.html

15. ActionController::API http://api.rubyonrails.org/classes/ActionController/API.html

16. ActionController::Metal http://api.rubyonrails.org/classes/ActionController/Metal.html

17. ActionController::API http://api.rubyonrails.org/classes/ActionController/API.html

18. Why ?

19. • Strong Parameters • Params Wrapper

20. • Strong Parameters • Params Wrapper Mapping

21. Mapping - missing part Nested Attributes - revealing structure