Temporary commit for handling save and continue integration until a p…

…roper post hook is put in place.

spree-contrib#32 has the details.
Signed-off-by: Nathan Lowrie <nate@finelineautomation.com>

app/controllers/spree/checkout_controller_decorator.rb

@@ -0,0 +1,16 @@
+module Spree
+  CheckoutController.class_eval do
+    before_filter :redirect_to_paypal_express_form_if_needed, :only => [:update]
+
+    private
+    def redirect_to_paypal_express_form_if_needed
+      binding.pry
+      return unless (params[:state] == "payment") && params[:order][:payments_attributes]
+
+      payment_method = PaymentMethod.find(params[:order][:payments_attributes].first[:payment_method_id])
+      if payment_method.kind_of?(Spree::Gateway::PayPalExpress)
+        redirect_to paypal_express_url(:payment_method_id => payment_method.id)
+      end
+    end
+  end
+end