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Rails settings UI

Gem Version Build Status

A Rails Engine to manage your application settings. Includes validation. Compatible with Rails 4. It compatible with rails-settings-cached gem. Untested, but should work with rails-settings gem.

Preview:

ScreenShot

Live example: http://rails-settings-ui.herokuapp.com/

How to

Add to Gemfile

gem 'rails-settings-ui'

then add

gem 'rails-settings-cached'

or

gem 'rails-settings'

or your fork of rails-settings.

If you want to use bootstrap interface you need also include bootstrap stylesheets to your app. You may use bootstrap-sass gem for that.

Setup:

# adds initializer and route:
rails g rails_settings_ui:install

Config

In config/initializers/rails_settings_ui.rb

RailsSettingsUi.setup do |config|
  config.ignored_settings = [:company_name] # Settings not displayed in the interface
  config.settings_class = "MySettings" # Customize settings class name
end

Routing

# engine root:
rails_settings_ui_url

I18n

You can localize:

  • Settings names, eg:
  settings:
    attributes:
      launch_mode: # setting name
        name: 'Launch mode'
  • Checkbox options labels for array options, eg:
  settings:
    attributes:
      launch_mode:
        labels:
          auto: 'Auto mode'
          manual: 'Manual mode'
  • Select options labels and values(it's required for selects), eg:
  settings:
    attributes:
      buy_mode:
        labels:
          auto: 'Auto buy' # 'auto' is option value, 'Auto buy' is option label
          manual: 'Manual buy'
  • Help blocks for settings, eg:
  settings:
    attributes:
      launch_mode:
        help_block: 'Rocket launch mode'

Validations

To validation work is required the default settings in the proper format, eg:

class Settings < RailsSettings::CachedSettings
  defaults[:company_name] = "Company name"
  defaults[:head_name] = "Head name"
  defaults[:manager_premium] = 19
  defaults[:show_contract_fields] = true
  defaults[:launch_mode] = [:auto, :manual]
end

Views

You can render all rails-settings-ui views inside your app layout (for nice looking you will need include bootstrap, eg: @import 'bootstrap'; in your applications.css.scss):

Rails.application.config.to_prepare do
  # Use admin layout:
  RailsSettingsUi::ApplicationController.module_eval do
    layout 'admin'
  end
  # If you are using a custom layout, you will want to make app routes available to rails-setting-ui:
  RailsSettingsUi.inline_main_app_routes!
end

Authentication & authorization

You can specify the parent controller for settings controller, and it will inherit all before filters. Note that this must be placed before any other references to rails-setting-ui application controller in the initializer:

RailsSettingsUi.parent_controller = 'Admin::ApplicationController' # default: '::ApplicationController'

Alternatively, to have custom rules just for rails-setting-ui you can:

Rails.application.config.to_prepare do
  RailsSettingsUi::ApplicationController.module_eval do
    before_filter :check_settings_permissions
  
    private
    def check_settings_permissions
      render status: 403 unless current_user && can_manage_settings?(current_user)
    end
  end
end 

Issues

  • If you wish to use route helpers for your app in parent controllers of RailsSettingsUi::ApplicationController, you must call helpers for main_app, for example: main_app.root_path

This project uses MIT-LICENSE.