Merge pull request activemerchant#176 from armsteadj1/dwolla_integrat…

…ion_gateway

Dwolla integration gateway

lib/active_merchant/billing/integrations/dwolla.rb

@@ -0,0 +1,30 @@
+# All mappings in helper.rb are required fields to be sent to Dwolla.
+# :account = 'Dwolla Id of merchant'
+# :credential1 = 'key from Dwolla Application'
+# :credential2 = 'secret from Dwolla Application'
+# :redirect_url = 'can be different that what is specified on Dwolla Application creation'
+# :return_url = 'can be different that what is specified on Dwolla Application creation'
+# :order_id = must be unique for each transaction
+
+module ActiveMerchant #:nodoc:
+  module Billing #:nodoc:
+    module Integrations #:nodoc:
+      module Dwolla 
+        autoload :Return, 'active_merchant/billing/integrations/dwolla/return.rb'
+        autoload :Helper, 'active_merchant/billing/integrations/dwolla/helper.rb'
+        autoload :Notification, 'active_merchant/billing/integrations/dwolla/notification.rb'
+
+        mattr_accessor :service_url
+        self.service_url = 'https://www.dwolla.com/payment/pay'
+
+        def self.notification(post)
+          Notification.new(post)
+        end
+
+        def self.return(query_string)
+          Return.new(query_string)
+        end
+      end
+    end
+  end
+end

lib/active_merchant/billing/integrations/dwolla/helper.rb

@@ -0,0 +1,28 @@
+module ActiveMerchant #:nodoc:
+  module Billing #:nodoc:
+    module Integrations #:nodoc:
+      module Dwolla
+        class Helper < ActiveMerchant::Billing::Integrations::Helper
+
+          def initialize(order, account, options = {})
+            super
+            add_field('name', 'Store Purchase')
+          end
+
+          # Replace with the real mapping
+          mapping :credential1, 'key'
+          mapping :credential2, 'secret'
+          mapping :notify_url, 'callback'
+          mapping :return_url, 'redirect'
+          mapping :test_mode, 'test'
+          mapping :description, 'description'
+          mapping :account, 'destinationid'
+          mapping :amount, 'amount'
+          mapping :tax, 'tax'
+          mapping :shipping, 'shipping'
+          mapping :order, 'orderid'          
+        end
+      end
+    end
+  end
+end

lib/active_merchant/billing/integrations/dwolla/notification.rb

@@ -0,0 +1,50 @@
+require 'net/http'
+
+module ActiveMerchant #:nodoc:
+  module Billing #:nodoc:
+    module Integrations #:nodoc:
+      module Dwolla
+        class Notification < ActiveMerchant::Billing::Integrations::Notification
+          def complete?
+            status == "Completed"
+          end
+
+          def status
+            params["Status"]
+          end
+
+          def transaction_id
+            params['OrderId']
+          end
+
+          def currency
+            "USD"
+          end
+
+          def gross
+            params['Amount']
+          end
+
+          def error
+            params['Message']
+          end
+
+          # Was this a test transaction?
+          def test?
+            params['TestMode']
+          end
+
+          def acknowledge      
+            true
+          end
+ private
+          # Take the posted data and move the relevant data into a hash
+          def parse(post)
+            json_post = JSON.parse(post)
+            params.merge!(json_post)
+          end
+        end
+      end
+    end
+  end
+end

lib/active_merchant/billing/integrations/dwolla/return.rb

@@ -0,0 +1,38 @@
+module ActiveMerchant #:nodoc:
+  module Billing #:nodoc:
+    module Integrations #:nodoc:
+      module Dwolla
+        class Return < ActiveMerchant::Billing::Integrations::Return
+
+          def success?
+            self.error.nil? && self.callback_success?
+          end
+
+          def error
+            params['error']
+          end
+
+          def error_description
+            params['error_description']
+          end
+
+          def checkout_id
+            params['checkoutid']
+          end
+
+          def transaction
+            params['transaction']
+          end
+
+          def test?
+            params['test']
+          end
+
+          def callback_success?
+            params['postback'] != "failure"
+          end
+	      end
+      end
+    end
+  end
+end

test/unit/integrations/dwolla_module_test.rb

@@ -0,0 +1,14 @@
+require 'test_helper'
+
+
+class DwollaModuleTest < Test::Unit::TestCase
+  include ActiveMerchant::Billing::Integrations
+
+  def test_notification_method
+    assert_instance_of Dwolla::Notification, Dwolla.notification('{"OrderId":"order-1", "Result": "Error", "Message": "Invalid Credentials", "TestMode":true}')
+  end
+
+  def test_return
+    assert_instance_of Dwolla::Return, Dwolla.return("dwolla=awesome")
+  end
+end 

test/unit/integrations/helpers/dwolla_helper_test.rb

@@ -0,0 +1,35 @@
+require 'test_helper'
+
+class DwollaHelperTest < Test::Unit::TestCase
+  include ActiveMerchant::Billing::Integrations
+
+  def setup
+    @helper = Dwolla::Helper.new('order-500','[email protected]', :credential2 => 'secret', :amount => 500, :currency => 'USD')
+  end
+
+  def test_basic_helper_fields
+    assert_field 'amount', '500'
+    assert_field 'orderid', 'order-500'
+    assert_field 'secret', 'secret'
+  end
+
+  def test_other_fields
+    @helper.credential1 "key"
+    @helper.return_url 'http://test.com/ecommerce/redirect.aspx'
+    @helper.notify_url 'http://test.com/test/callback'
+    @helper.test_mode true
+    @helper.description 'Store Purchase Description'
+    @helper.account '812-546-3855'
+    @helper.shipping 0.00
+    @helper.tax 0.00
+
+    assert_field 'key', 'key'
+    assert_field 'redirect', 'http://test.com/ecommerce/redirect.aspx'
+    assert_field 'callback', 'http://test.com/test/callback'
+    assert_field 'test', 'true'
+    assert_field 'description', 'Store Purchase Description'
+    assert_field 'destinationid', '812-546-3855'
+    assert_field 'shipping', '0.0'
+    assert_field 'tax', '0.0'
+  end
+end

test/unit/integrations/notifications/dwolla_notification_test.rb

@@ -0,0 +1,51 @@
+require 'test_helper'
+
+class DwollaNotificationTest < Test::Unit::TestCase
+  include ActiveMerchant::Billing::Integrations
+
+  def setup
+    @error_dwolla = Dwolla::Notification.new(http_raw_error_data)
+    @dwolla = Dwolla::Notification.new(http_raw_success_data)
+  end
+
+  def test_success_accessors
+    assert @dwolla.complete?
+    assert_equal "1234asdfasd567", @dwolla.transaction_id
+    assert_equal "Completed", @dwolla.status
+    assert_equal 1.00, @dwolla.gross
+    assert_equal "USD", @dwolla.currency
+    assert @dwolla.test?
+  end
+
+  def test_error_accessors
+    assert_false @error_dwolla.complete?
+    assert_equal "order-1", @error_dwolla.transaction_id
+    assert_equal nil, @error_dwolla.status
+    assert_equal nil, @error_dwolla.gross
+    assert_equal "USD", @error_dwolla.currency
+    assert_equal "Invalid Credentials", @error_dwolla.error
+    assert @error_dwolla.test?
+  end
+
+  def test_compositions
+    assert_equal Money.new(100, 'USD'), @dwolla.amount
+  end
+
+  # Replace with real successful acknowledgement code
+  def test_acknowledgement    
+    assert_equal true, @dwolla.acknowledge
+  end
+
+  def test_respond_to_acknowledge
+    assert @dwolla.respond_to?(:acknowledge)
+  end
+
+  private
+  def http_raw_error_data
+    %*{"OrderId":"order-1", "Result": "Error", "Message": "Invalid Credentials", "TestMode":true}*
+  end
+
+  def http_raw_success_data
+    %*{"Amount":1.0, "OrderId":"1234asdfasd567", "Status":"Completed", "TransactionId":null, "TestMode":true}*
+  end
+end

test/unit/integrations/returns/dwolla_return_test.rb

@@ -0,0 +1,55 @@
+require 'test_helper'
+
+class DwollaReturnTest < Test::Unit::TestCase
+  include ActiveMerchant::Billing::Integrations
+
+  def setup
+    @error_dwolla = Dwolla::Return.new(http_raw_data_failure)
+    @failed_callback_dwolla = Dwolla::Return.new(http_raw_data_failed_callback)
+    @dwolla = Dwolla::Return.new(http_raw_data_success)
+  end
+
+  def test_error_return
+    assert_false @error_dwolla.success?
+  end
+
+  def test_error_accessors
+    assert_equal "failure", @error_dwolla.error
+    assert_equal "Invalid application credentials.", @error_dwolla.error_description
+  end
+
+  def test_failed_callback_return
+    assert_false @failed_callback_dwolla.success?
+  end
+
+  def test_failed_callback_accessors
+    assert_equal "4ac56e71-8a45-4be2-be5e-03a2db87f418", @failed_callback_dwolla.checkout_id
+    assert_equal "1", @failed_callback_dwolla.transaction
+    assert @failed_callback_dwolla.test?
+  end
+
+  def test_success_return
+    assert @dwolla.success?
+  end
+
+  def test_success_accessors
+    assert_equal "4ac56e71-8a45-4be2-be5e-03a2db87f418", @dwolla.checkout_id
+    assert_equal "1", @dwolla.transaction
+    assert @dwolla.test?
+  end
+
+  private
+  def http_raw_data_success
+    "checkoutid=4ac56e71-8a45-4be2-be5e-03a2db87f418&transaction=1&postback=success&test=true"
+  end
+
+  def http_raw_data_failed_callback
+    "checkoutid=4ac56e71-8a45-4be2-be5e-03a2db87f418&transaction=1&postback=failure&test=true"
+  end
+
+  def http_raw_data_failure
+    "error=failure&error_description=Invalid+application+credentials."
+  end
+end
+
+