# Uncomment this if you reference any of your controllers in activate # require_dependency 'application' class PaypalExpressExtension < Spree::Extension version "1.0" description "Describe your extension here" url "http://yourwebsite.com/paypal_express" # Please use paypal_express/config/routes.rb instead for extension routes. # def self.require_gems(config) # config.gem "gemname-goes-here", :version => '1.2.3' # end def activate # admin.tabs.add "Paypal Express", "/admin/paypal_express", :after => "Layouts", :visibility => [:all] OrdersController.class_eval do ssl_required :paypal_checkout, :paypal_finish end Order.class_eval do has_many :paypal_payments end end end