authorize_net.rb in activemerchant-1.4.2

- old
+ new

@@ -31,10 +31,12 @@
       self.test_url = "https://test.authorize.net/gateway/transact.dll"
       self.live_url = "https://secure.authorize.net/gateway/transact.dll"
 
       self.arb_test_url = 'https://apitest.authorize.net/xml/v1/request.api'
       self.arb_live_url = 'https://api.authorize.net/xml/v1/request.api'
+      
+      class_inheritable_accessor :duplicate_window
 
       APPROVED, DECLINED, ERROR, FRAUD_REVIEW = 1, 2, 3, 4
 
       RESPONSE_CODE, RESPONSE_REASON_CODE, RESPONSE_REASON_TEXT = 0, 2, 3
       AVS_RESULT_CODE, TRANSACTION_ID, CARD_CODE_RESPONSE_CODE  = 5, 6, 38
@@ -84,10 +86,11 @@
         post = {}
         add_invoice(post, options)
         add_creditcard(post, creditcard)
         add_address(post, options)
         add_customer_data(post, options)
+        add_duplicate_window(post)
 
         commit('AUTH_ONLY', money, post)
       end
 
       # Perform a purchase, which is essentially an authorization and capture in a single operation.
@@ -101,10 +104,11 @@
         post = {}
         add_invoice(post, options)
         add_creditcard(post, creditcard)
         add_address(post, options)
         add_customer_data(post, options)
+        add_duplicate_window(post)
 
         commit('AUTH_CAPTURE', money, post)
       end
 
       # Captures the funds from an authorized transaction.
@@ -315,9 +319,18 @@
           post[:cust_id] = options[:customer]
         end
 
         if options.has_key? :ip
           post[:customer_ip] = options[:ip]
+        end
+      end
+      
+      # x_duplicate_window won't be sent by default, because sending it changes the response.
+      # "If this field is present in the request with or without a value, an enhanced duplicate transaction response will be sent."
+      # (as of 2008-12-30) http://www.authorize.net/support/AIM_guide_SCC.pdf
+      def add_duplicate_window(post)
+        unless duplicate_window.nil?
+          post[:duplicate_window] = duplicate_window
         end
       end
 
       def add_address(post, options)
 