Added locale option.

lib/paypal/recurring/base.rb

@@ -11,6 +11,7 @@ class Base
       attr_accessor :initial_amount
       attr_accessor :initial_amount_action
       attr_accessor :ipn_url
+      attr_accessor :locale
       attr_accessor :outstanding
       attr_accessor :payer_id
       attr_accessor :period
@@ -45,7 +46,20 @@ def request # :nodoc:
       #   response.checkout_url
       #
       def checkout
-        params = collect(:amount, :return_url, :cancel_url, :currency, :description, :ipn_url).merge(:payment_action => "Authorization", :no_shipping => 1, :L_BILLINGTYPE0 => "RecurringPayments")
+        params = collect(
+          :locale,
+          :amount,
+          :return_url,
+          :cancel_url,
+          :currency,
+          :description,
+          :ipn_url
+        ).merge(
+          :payment_action => "Authorization",
+          :no_shipping => 1,
+          :L_BILLINGTYPE0 => "RecurringPayments"
+        )
+
         request.run(:checkout, params)
       end
 

lib/paypal/recurring/request.rb

@@ -45,6 +45,7 @@ class Request
         :initial_amount        => "INITAMT",
         :initial_amount_action => "FAILEDINITAMTACTION",
         :ipn_url               => ["PAYMENTREQUEST_0_NOTIFYURL", "NOTIFYURL"],
+        :locale                => "LOCALECODE",
         :method                => "METHOD",
         :no_shipping           => "NOSHIPPING",
         :outstanding           => "AUTOBILLOUTAMT",
@@ -163,6 +164,10 @@ def build_action(value) # :nodoc:
       def build_initial_amount_action(value) # :nodoc:
         INITIAL_AMOUNT_ACTIONS.fetch(value.to_sym, value) if value
       end
+
+      def build_locale(value) # :nodoc:
+        value.to_s.upcase
+      end
     end
   end
 end

spec/paypal/request_spec.rb

@@ -111,5 +111,9 @@
     it "normalizes reference" do
       subject.normalize_params(:reference => "abc").should == {:PROFILEREFERENCE => "abc", :PAYMENTREQUEST_0_CUSTOM => "abc", :PAYMENTREQUEST_0_INVNUM => "abc"}
     end
+
+    it "normalizes locale" do
+      subject.normalize_params(:locale => :us).should == {:LOCALECODE => "US"}
+    end
   end
 end