From ec356cf5e8423a7971d081477de5d9cbe05d9c5c Mon Sep 17 00:00:00 2001
From: vintem <vintem@gmail.com>
Date: Tue, 12 Jul 2011 22:26:53 -0300
Subject: [PATCH] allow for preferred currency

---
 app/controllers/checkout_controller_decorator.rb | 2 +-
 app/models/billing_integration/paypal_express.rb | 1 +
 app/models/paypal_account.rb                     | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/controllers/checkout_controller_decorator.rb b/app/controllers/checkout_controller_decorator.rb
index 45c2411..358557d 100644
--- a/app/controllers/checkout_controller_decorator.rb
+++ b/app/controllers/checkout_controller_decorator.rb
@@ -217,7 +217,7 @@ CheckoutController.class_eval do
 
   # hook to override paypal site options
   def paypal_site_opts
-    {}
+    {:currency => payment_method.preferred_currency}
   end
 
   def order_opts(order, payment_method, stage)
diff --git a/app/models/billing_integration/paypal_express.rb b/app/models/billing_integration/paypal_express.rb
index c26e72a..a835e56 100644
--- a/app/models/billing_integration/paypal_express.rb
+++ b/app/models/billing_integration/paypal_express.rb
@@ -4,6 +4,7 @@ class BillingIntegration::PaypalExpress < BillingIntegration
   preference :signature, :string
   preference :review, :boolean, :default => false
   preference :no_shipping, :boolean, :default => false
+  preference :currency, :string, :default => 'USD'
 
   def provider_class
     ActiveMerchant::Billing::PaypalExpressGateway
diff --git a/app/models/paypal_account.rb b/app/models/paypal_account.rb
index 5e50623..98c2f20 100644
--- a/app/models/paypal_account.rb
+++ b/app/models/paypal_account.rb
@@ -8,7 +8,7 @@ class PaypalAccount < ActiveRecord::Base
   def capture(payment)
     authorization = find_authorization(payment)
 
-    ppx_response = payment.payment_method.provider.capture((100 * payment.amount).to_i, authorization.params["transaction_id"])
+    ppx_response = payment.payment_method.provider.capture((100 * payment.amount).to_i, authorization.params["transaction_id"], :currency => payment.payment_method.preferred_currency)
     if ppx_response.success?
       record_log payment, ppx_response
       payment.complete