1-to-1 translation of routing_concerns example

routes.rb

BCX::Application.routes.draw do
  def commentable
    resources :comments
  end

  def trashable
    post :trash, :restore, on: :member
  end

  def image_attachable
    resources :image_attachments, only: :index
  end

  resources :calendar_events do
    commentable
    get :past, on: :collection
  end

  resources :messages, :forwards, :uploads, :documents, :todos do commentable end

  resources :projects, defaults: { bucket_type: 'project' } do
    trashable

    resources :messages, :uploads, :comments do trashable; image_attachable end

    resources :forwards do
      trashable; image_attachable
      get :content, on: :member
    end

    resources :todolists do
      trashable
      get :more, :completed, on: :collection
    end

    resources :todos do
      trashable
      post :toggle, on: :member
    end
  end
end