authorize_net.rb in spree_gateway-3.0.0

- old
+ new
@@ -1,16 +1,46 @@
 module Spree
   class Gateway::AuthorizeNet < Gateway
     preference :login, :string
     preference :password, :string
+    preference :server, :string, default: "test"
 
     def provider_class
       ActiveMerchant::Billing::AuthorizeNetGateway
     end
 
     def options_with_test_preference
-      options_without_test_preference.merge(:test => self.preferred_test_mode)
+      if !['live','test'].include?(self.preferred_server)
+        raise "You must set the 'server' preference in your payment method (Gateway::AuthorizeNet) to either 'live' or 'test'"
+      end
+      options_without_test_preference.merge(test: (self.preferred_server != "live") )
     end
 
+    def cancel(response_code)
+      provider
+      # From: http://community.developer.authorize.net/t5/The-Authorize-Net-Developer-Blog/Refunds-in-Retail-A-user-friendly-approach-using-AIM/ba-p/9848
+      # DD: if unsettled, void needed
+      response = provider.void(response_code)
+      # DD: if settled, credit/refund needed (CAN'T DO WITHOUT CREDIT CARD ON AUTH.NET)
+      #response = provider.refund(response_code) unless response.success?
+
+      response
+    end
     alias_method_chain :options, :test_preference
+
+    def credit(amount, response_code, refund, gateway_options = {})
+      gateway_options[:card_number] = refund[:originator].payment.source.last_digits
+      auth_net_gateway.refund(amount, response_code, gateway_options)
+    end
+
+    private
+
+    def auth_net_gateway
+      @_auth_net_gateway ||= begin
+        ActiveMerchant::Billing::Base.gateway_mode = preferred_server.to_sym
+        gateway_options = options
+        gateway_options[:test_requests] = false # DD: never ever do test requests because just returns transaction_id = 0
+        ActiveMerchant::Billing::AuthorizeNetGateway.new(gateway_options)
+      end
+    end
   end
 end