Slim Ruby on Rails: Controllers & Middlewares

Transcript

1. 1.

   Slim Ruby on Rails: Controllers & Middlewares Krzysztof Wawer

2. 2.

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

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   Request Rack App Middlewares log auth cache HTTP Request HTTP

   Response
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   Middleware

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

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

9. 9.

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

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

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    Controller

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    None
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    None
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    ActionController::Base http://api.rubyonrails.org/classes/ActionController/Base.html

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

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

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

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    Why ?

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    • Strong Parameters • Params Wrapper

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    • Strong Parameters • Params Wrapper Mapping

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    Mapping - missing part Nested Attributes - revealing structure