Extract available languages

#640

app/controllers/application_controller.rb

@@ -16,6 +16,8 @@ class ApplicationController < ActionController::Base
   end
 
   helper_method :registrant_request?, :registrar_request?, :admin_request?, :current_root_url
+  helper_method :available_languages
+
   def registrant_request?
     request.path.match(/^\/registrant/)
   end
@@ -79,4 +81,10 @@ class ApplicationController < ActionController::Base
     return if params[parent_key][key].blank?
     params[parent_key][key].sub!(/,/, '.')
   end
+
+  private
+
+  def available_languages
+    { en: 'English', et: 'Estonian' }.invert
+  end
 end

app/helpers/form_helper.rb

@@ -14,7 +14,7 @@ module FormHelper
   end
 
   def language_select(object, method, choices = nil, options = {}, html_options = {}, &block)
-    choices = options_for_select({ en: 'English', et: 'Estonian' }.invert, options[:selected])
+    choices = options_for_select(available_languages, options[:selected])
     select(object, method, choices, options, html_options, &block)
   end
 end

app/views/admin/settings/index.haml

@@ -54,7 +54,7 @@
             %td.col-md-6= label_tag :default_language
             %td.col-md-6
               = select_tag '[settings][default_language]',
-              options_for_select({ en: 'English', et: 'Estonian' }.invert, Setting.default_language),
+              options_for_select(available_languages, Setting.default_language),
               class: 'form-control'
 
   .panel.panel-default