LocomotiveCMS のページにユーザー認証機能を組み込む（Engineの拡張） ref: http://qiita.com/hal_sk/items/c6d4f5582d23bc4dd415

_form.html.haml

  = f.input :published, as: :'Locomotive::Toggle', input_html: { class: 'simple-toggle' }

  = f.input :require_login, as: :'Locomotive::Toggle', input_html: { class: 'simple-toggle' } #この行を追加

  = f.input :listed, as: :'Locomotive::Toggle', input_html: { class: 'simple-toggle' }

auth_field.rb

module Auth
  module AuthField
    extend ActiveSupport::Concern
    included do
      field :require_login,         type: Boolean, localize: true
    end
  end
end

auth_page.rb

module Auth
  module AuthPage
    extend ActiveSupport::Concern

    included do
      before_filter :authcheck
    end
    def authcheck
      @page ||= self.locomotive_page
      authenticate_user! if @page && @page.require_login                                                            
    end
  end
end

bash

cd {RAILS_ROOT}
mkdir -p app/controllers/locomotive/public/
vi app/controllers/locomotive/public/pages_controller.rb

development.log

Started GET "/entry" for 127.0.0.1 at 2014-03-30 22:07:38 +0900
Processing by Locomotive::Public::PagesController#show as HTML
  Parameters: {"path"=>"entry"}
[LocomotiveCMS] [fetch site] host = localhost / localhost:8080
  MOPED: 127.0.0.1:27017 QUERY        database=mysite_dev collection=locomotive_sites selector={"$query"=>{}, "$orderby"=>{:_id=>1}} flags=[:slave_ok] limit=-1 skip=0 batch_size=nil fields=nil (0.5510ms)
Auth Check  ←これ
  MOPED: 127.0.0.1:27017 QUERY 

edit.html.haml

= semantic_form_for @page, url: page_path(@page), html: { multipart: true } do |form|

   = render 'form', f: form ←これ

   = render 'locomotive/shared/form_actions', back_url: pages_path, button_label: :update

file0.txt

bundle exec rails g devise User

file1.txt

% mongo localhost:27017
MongoDB shell version: 2.4.9
connecting to: localhost:27017/test
Server has startup warnings:
Thu Mar 27 17:45:06.188 [initandlisten]
Thu Mar 27 17:45:06.188 [initandlisten] ** WARNING: soft rlimits too low. Number of files is 256, should be at least 1000
> use mysite_dev
switched to db mysite_dev
> db.users.find()
{ "_id" : ObjectId("533675464857099c8d000001"), "current_sign_in_at" : ISODate("2014-03-29T07:24:54.852Z"), "current_sign_in_ip" : "127.0.0.1", "email" : "hal@georepublic.co.jp", "encrypted_password" : "$2a$1*******", "last_sign_in_at" : ISODate("2014-03-29T07:24:54.852Z"), "last_sign_in_ip" : "127.0.0.1", "sign_in_count" : 1 }
>

file12.txt

cp {オリジナルのEngineをcloneしておいた場所}/app/views/locomotive/pages/_form.html.haml {RAILS_ROOT}/app/views/locomotive/pages/_form.html.haml
vi {RAILS_ROOT}/app/views/locomotive/pages/_form.html.haml

file9.txt

% bundle exec rails console
Loading development environment (Rails 3.2.16)
[1] pry(main)> 
[2] pry(main)> Locomotive::Page.first()
=> #<Locomotive::Page _id: 53303a0c485709d69800000e, created_at: 2014-03-24 13:58:36 UTC, updated_at: 2014-03-27 03:27:16 UTC, parent_id: "5330384f485709d698000004", parent_ids: ["5330384f485709d698000004"], position: 0, depth: 1, serialized_template: {"ja"=>#<Moped::BSON::Binary type=:generic length=7286>}, template_dependencies: {"ja"=>["5330384f485709d698000004"]}, snippet_dependencies: {"ja"=>["footer"]}, templatized: false, templatized_from_parent: false, target_klass_name: nil, redirect: false, redirect_url: nil, redirect_type: 301, listed: true, seo_title: {"ja"=>"お知らせ"}, meta_keywords: {"ja"=>"html5, "}, meta_description: {"ja"=>"html5, "}, title: {"ja"=>"お知らせ"}, slug: {"ja"=>"news"}, fullpath: {"ja"=>"news"}, handle: "news", raw_template: {"ja"=>"{% extends 'parent' %}\n{% block main %}\n<div class='row'>\n  <div class='large-8 columns'>\n    <p>News</p>\n    {% editable_text \"news_body\", rows: 20 %}\n    hoge\n    {% endeditable_text %}\n  </div>\n</div>\n{% endblock %}\n", "en"=>"{% extends 'parent' %}"}, locales: [:ja], published: true, cache_strategy: "simple", response_type: "text/html", site_id: "5330384f485709d698000002", require_login: nil, cache_strategy_text: "Simple", lang: "ja">

page.rb

module Locomotive
  class Page
    include Auth::AuthField
  end
end

pages_controller.rb

module Locomotive
  module Public
    class PagesController < ApplicationController
      include Auth::AuthPage #AuthPageというプラグインを読み込む
    end
  end
end