Singleton Rails

Adds singleton functionallity to ActiveRecord models.

Supported Rails versions: 4.0.6 or higher

Licensed under the MIT license, see LICENSE for more information.

Installation

$ gem install singleton-rails

Usage

Include Singleton in your model

class AboutPage < ActiveRecord::Base
  include ActiveRecord::Singleton
end

Configure rails_admin

RailsAdmin.config do |config|

  config.actions do
    dashboard

    index &RailsAdmin::Config::Actions::SingletonAwareIndex::PATCH
    new &RailsAdmin::Config::Actions::SingletonAwareNew::PATCH
    export
    history_index
    bulk_delete

    show
    edit
    delete &RailsAdmin::Config::Actions::SingletonAwareDelete::PATCH
    history_show
    show_in_app
  end

end

How to use it in your controller

  class AboutPageController < ApplicationController
    def index
      @about_page = AboutPage.instance
    end
  end

Credits

Hyper made this. We're a digital communications agency with a passion for good code, and if you're using this library we probably want to hire you.