[Refs #31] define paypal_express_local_confirm preference

app/controllers/spree/checkout_controller_decorator.rb

@@ -192,10 +192,10 @@ module Spree
     end
 
     def fixed_opts
-      if Spree::Config[:paypal_express_local_confirm].nil?
+      if Spree::PaypalExpress::Config[:paypal_express_local_confirm].nil?
         user_action = "continue"
       else
-        user_action = Spree::Config[:paypal_express_local_confirm] == "t" ? "continue" : "commit"
+        user_action = Spree::PaypalExpress::Config[:paypal_express_local_confirm] == "t" ? "continue" : "commit"
       end
 
       { :description             => "Goods from #{Spree::Config[:site_name]}", # site details...

lib/spree/paypal_express_configuration.rb

@@ -0,0 +1,5 @@
+module Spree
+  class PaypalExpressConfiguration < Preferences::Configuration
+    preference :paypal_express_local_confirm, :boolean, :default => true
+  end
+end

lib/spree_paypal_express/engine.rb

@@ -1,3 +1,4 @@
+module Spree::PaypalExpress; end
 module SpreePaypalExpress
   class Engine < Rails::Engine
     engine_name 'spree_paypal_express'
@@ -9,6 +10,10 @@ module SpreePaypalExpress
       g.test_framework :rspec
     end
 
+    initializer "spree.paypal_express.preferences", :before => :load_config_initializers do |app|
+      Spree::PaypalExpress::Config = Spree::PaypalExpressConfiguration.new
+    end
+
     def self.activate
       Dir.glob(File.join(File.dirname(__FILE__), "../../app/**/*_decorator*.rb")) do |c|
         Rails.env.production? ? require(c) : load(c)