rails_action_dispatch_and_routing.md

change param for route

# config/routes.rb 

resources :applications, only: [:index, :show], param: :public_uid do
  resources :forms
end

rake routes 
application_forms POST  /applications/:application_public_uid/forms(.:format)  forms#create

application GET /applications/:public_uid(.:format)  applications#show

source:

• http://stackoverflow.com/questions/2837102/changing-the-id-parameter-in-rails-routing

keywords: change id, :id, params[:id], routes

polymorphic routes

http://api.rubyonrails.org/classes/ActionDispatch/Routing/PolymorphicRoutes.html

= link_to 'Edit', edit_polymorphic_path([@contentable, @content])
= link_to 'New',  new_polymorphic_path([@contentable, Content.new])
= link_to 'index', polymorphic_path([@contentable, @content])
= link_to 'index', polymorphic_path([@contentable, Content.new])

also can be achived with

= link_to 'edit', [:edit, @contentable, @content]

url_for

url_for(controller: :documents, action: :index)

Console

how to access url helpers from cosole / specs / tests

include Rails.application.routes.url_helpers
     
# set host in default_url_options:
default_url_options[:host] = "localhost"
     
# can then use:
url_for()
     
# can check existing routes:
edit_user_url(User.first)
=> "http://localhost/user/1/edit"

source: http://snipplr.com/view/37063/

Routes config

sharing nested resource

MyCoolApp::Application.routes.draw do

  def contentable
    resources :contents do
      get :publish, on: :member
    end
  end
  
  resource :candies
    contentable
  end
  
  resource :factories
    contentable 
  end

end