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This is the basic module of Golden Cobra. It offers Devise, ActiveAdmin, an article module, a menu module and global settings for an CMS
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Golden Cobra

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  • ActiveAdmin

Current versions


  • Ruby 2.2+
  • Rails 4.2+
  • Mysql 5.x (tested with e.g. 5.7.10)


This installation is meant for using Golden Cobra as a gem inside your Rails application. If you would like to contribute to Golden Cobra development, please read this document => Installation instructions for development.

Guided Installation wit rvm, git, capistrano and server deploy

rails new PROJECTNAME -m https://raw.github.com/ikusei/goldencobra-installer/master/template.rb -d mysql

Manual Installation: Create new project

rails new PROJECTNAME -d mysql

Install Golden Cobra gem

Add the following to file "PROJECTNAME/Gemfile":

gem "goldencobra", git: "https://github.com/ikuseiGmbH/Goldencobra.git"
gem "activeadmin", git: "https://github.com/ikusei/active_admin.git", require: "activeadmin"
bundle install

Create database

rake db:create

Install prerequisites for Golden Cobra

rake goldencobra:install:migrations
rails generate goldencobra:install
rake db:migrate db:test:prepare

If you want to use Golden Cobra in a subdirectory

(http://www.domain.de/subdir/), please modify your config/routes.rb and setup your domains in "Settings > Domains" in the backendinterface

Goldencobra::Domain.pluck(:url_prefix).each do |url_prefix|
    scope url_prefix do
        devise_for :users, ActiveAdmin::Devise.config
        mount Goldencobra::Engine => "/"

Setup Golden Cobra

If you want to use Batch Actions in Golden Cobra (set a batch of articles offline), you need to uncomment the line # config.batch_actions = true in config/initializers/active_admin.rb

This would also be the place where you can override stylesheets and javascripts. Just put them inside the block # == Register Stylesheets & Javascripts.

Create new article types

Nearly every site in Golden Cobra is an article. If the default article isn't enough for your needs you can create new article types. There's a generator for that: rails generate goldencobra:articletype Thing name:string

Where "Thing" would be your associated model and "name:string" are the usual ruby attributes.

This will create:

    generate model Thing # Your associated model
    generate /app/views/articletypes
    generate /app/views/articletypes/thing # View folder
    # Necessary view files
    generate /app/views/articletypes/thing/_index.html.erb
    generate /app/views/articletypes/thing/_show.html.erb
    generate /app/views/articletypes/thing/_edit_show.html.erb
    generate /app/views/articletypes/thing/_edit_index.html.erb

The index and show partials are for fronted display of your article type. The "_edit" partials are for the ActiveAdmin.

"Index" is always the index view of articles of this article_type. The _edit_index enables you to set certain tags to filter your index view. Of course everything is customizable by you.

"Show" is an individual article of this article_type. The "_edit_show" gives you control over the models attributes.


We have a quite flexible settings system in place. In the admin backend you have many values you can customize for your installation.

Important values are

  • goldencobra.url (should be set without http:// in front)
  • Commentator: If you have a different frontend user model (like 'Visitor') you can set this here. Default is User.
  • Bugherd: If you use Bugherd.com for tracking frontend problems for your website you should enter the project's API key here. You can further decide wich User should be logged in to be able to track bugs.
  • You have can enable or disable Solr Search Server and decide wether you want to recreate all menues and widgets after updating them. This might be useful for caching.

When creating articles, a default value is set for open graph image url. Please make sure you provide a default open graph image at "/assets/open-graph.png"


Basic Headers

call in head-section of any view_template to include stylesheets, javascripts (jquery, jqueryui, jquery.tools ...), bugtracker, metatags, airbrake and article_administration element:


# option: {:exclude => ["stylesheets", "javascripts", "bugtracker", "metatags", "article_administration", "airbrake"]}


<%= basic_goldencobra_headers(:exclude => ["javascripts","stylesheets"]) %>

##Only Activate Bugtracker in Application Layout place this code in your application layout in header section: <%= bugtracker %>

Navigation Menu

call in any view_template:

navigation_menu(menue_id, option={})

# option: { depth: integer }
# 0 = unlimited
# 1 = self
# 2 = self and children 1st grade
# 3 = self and up to children 2nd grade
# default = 0

example: renders menue starting with id 1 and only childs of first grade

<%= navigation_menu(1, :depth => 1) %>

renders menue starting with id 2 and all children as a nested list

<%= navigation_menu(2) %>

renders menue starting with first Menuitem including title 'MainNavigation' and all children as a nested list

<%= navigation_menu("MainNavigation") %>

renders menue starting with first Menuitem including title 'MainNavigation' in the submenue 'Sub' and all children as a nested list

<%= navigation_menu("Sub/MainNavigation") %>

renders menue starting with first Menuitem including title 'MainNavigation' in the submenue 'de' or 'en' depending of your current Locale and all children as a nested list

<%= navigation_menu("#{I18n.locale.to_s}/MainNavigation") %>
<%= navigation_menu("Top-Menue", :submenue_of_article => @article, :class => "ul_submain_nav", :depth => 2, :show_image => false, :show_description_title => false, :show_description => false, :show_call_to_action_name => false) %>

Switching Languages

<%= link_to "Deutsch", switch_language("de") %>
<%= link_to "Englisch", switch_language("en") %>

Named routes outside mounted rails engine

You can call any named route defined in your railsapp inside a goldencobra_view by calling:

  <%= link_to "CustomRoute", application_routes.custom_page_path() %>

Breadcrumb Menue

in your view_templates:

    <%= breadcrumb() %>

Rendering content in layouts

<% # Renders contents of different article types %>
<% if @article %>
  <%= render_article_type_content() %>
<% end %>

<%= yield(:article_content) %>
<%= yield(:article_title) %>
<%= yield(:article_subtitle) %>
<%= yield(:article_teaser) %>

Render widgets

Alle DefaultWidgets UND alle ArtikelWidgets mit dem Tag "sidebar" sortiert nach SorterID:

render_article_widgets(default: true, tagged_with: "sidebar")

Alle ArtikelWidgets mit dem Tag "sidebar" sortiert nach SorterID:

  <%= render_article_widgets(default: false, tagged_with: "sidebar") %>

Alle ArtikelWidgets mit dem Tag "sidebar" sortiert nach SorterID:

  <%= render_article_widgets(tagged_with: "sidebar") %>

Alle DefaultWidgets und alle ArtikelWidgets:

  <%= render_article_widgets(default: true) %>

Alle ArtikelWidgets:

  <%= render_article_widgets() %>

Alle DefaultWidgets:

  <%= render_article_widgets(article: false) %>

Alle DefaultWidgets mit dem Tag "sidebar" sortiert nach SorterID:

  <%= render_article_widgets(article: false, tagged_with: "sidebar") %>

Alle Optionen mit Defaultwerten:

  <%= render_article_widgets(default="false", article="true", tagged_with: "") %>

Render Login and Registration Widgets

in your view_templates:

    <%= render_login_widget(User) %>
    <%= render_login_widget(Visitor) %>
    <%= render_registration_widget(User) %>
    <%= render_registration_widget(Visitor) %>

Include social media sharing buttons where applicable

<div id="social_sharing_buttons" class="bottom_buttons">
  <%= yield(:social_sharing_buttons) %>

Render an image gallery inside article content

<%= render_article_image_gallery %>


See the CONTRIBUTING document. Thank you, contributors!


This project uses CC BY-NC-SA 3.0. See License


Golden Cobra is maintained by ikusei GmbH in Berlin. We like you.