Add CSV download for ordergroups

app/controllers/admin/ordergroups_controller.rb

@@ -1,10 +1,14 @@
 # encoding: utf-8
 class Admin::OrdergroupsController < Admin::BaseController
   inherit_resources
-  
+
   def index
     @ordergroups = Ordergroup.undeleted.order('name ASC')
 
+    if request.format.csv?
+      send_data OrdergroupsCsv.new(@ordergroups).to_csv, filename: 'ordergroups.csv', type: 'text/csv'
+    end
+
     # if somebody uses the search field:
     unless params[:query].blank?
       @ordergroups = @ordergroups.where('name LIKE ?', "%#{params[:query]}%")

app/models/ordergroup.rb

@@ -39,6 +39,12 @@ class Ordergroup < Group
       .group('groups.id')
   end
 
+  def self.custom_fields
+    fields = FoodsoftConfig[:custom_fields] && FoodsoftConfig[:custom_fields][:ordergroup]
+    return [] unless fields
+    fields.map(&:deep_symbolize_keys)
+  end
+
   def last_user_activity
     last_active_user = users.order('users.last_activity DESC').first
     if last_active_user

app/views/admin/ordergroups/index.html.haml

@@ -2,6 +2,9 @@
 
 - content_for :actionbar do
   = link_to t('.new_ordergroup'), new_admin_ordergroup_path, class: 'btn btn-primary'
+  = link_to url_for(search: params[:q], format: :csv), class: 'btn' do
+    = glyph :download
+    CSV
 
 - content_for :sidebar do
   %p= t('.first_paragraph', url: link_to(t('.new_ordergroups'), new_admin_ordergroup_path)).html_safe
@@ -12,4 +15,4 @@
     = text_field_tag :query, params[:query], class: 'input-medium search-query',
       placeholder: t('admin.search_placeholder')
 #ordergroups
-  = render "ordergroups"
+  = render "ordergroups"