affirm.rb in spree_affirm-0.2.30

- old
+ new

@@ -1,11 +1,11 @@
 module Spree
   class Gateway::Affirm < Gateway
     preference :api_key, :string
     preference :secret_key, :string
-    preference :server, :string, default: 'www.affirm.com'
-    preference :product_key, :string
+    preference :test_mode, :boolean, default: true
+    preference :server, :string, default: 'sandbox.affirm.com'
 
     def provider_class
       ActiveMerchant::Billing::Affirm
     end
 
@@ -34,25 +34,18 @@
     end
 
     def cancel(charge_ari)
       _payment = Spree::Payment.valid.where(
         response_code: charge_ari,
-        source_type:   "#{payment_source_class}"
+        source_type:   payment_source_class.to_s
       ).first
 
       return if _payment.nil?
 
       if _payment.pending?
         _payment.void_transaction!
-
-      elsif _payment.completed? and _payment.can_credit?
-
-        # create adjustment
-        _payment.order.adjustments.create label: "Refund - Canceled Order", amount: -_payment.credit_allowed.to_f
-        _payment.order.update!
-
-        _payment.credit!
-
+      elsif _payment.completed? && _payment.can_credit?
+        provider.refund(_payment.credit_allowed.to_money.cents, charge_ari)
       end
     end
   end
 end