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rmw/add_middleware.rb

Last active December 11, 2015 03:48
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Railscast ActionController walkthrough * Get class and module inheritance in rails * Add middleware to controller http://railscasts.com/episodes/395-action-controller-walkthrough
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add_middleware.rb
class ArticlesController < ApplicationController
use Rack::ShowExceptions, only: :show
# ...
end
Raw
inheritance.sh
puts ArticlesController.ancestors
puts ArticlesController.ancestors - ArticlesController.included_methods # only inheritance chain
ArticlesController.action(:index) # rack endpoint (can call .call(env) on it)
ArticlesController.method(:action).source_location # where defined
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