Braintree Blue: Support Level 2 and 3 data fields

Also refactors create_transaction_parameters for length.

Closes activemerchant#3094

Remote:
68 tests, 384 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
100% passed

Unit:
57 tests, 150 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
100% passed

CHANGELOG

@@ -6,6 +6,7 @@
 * Adyen: Pass arbitrary riskData fields [curiousepic] #3089
 * Worldpay: Fix cookie header name [curiousepic] #3099
 * Paymentez: Adds support for extra_params optional field [molbrown] #3095
+* Braintree Blue: Support Level 2 and 3 data fields [curiousepic] #3094
 
 == Version 1.89.0 (December 17, 2018)
 * Worldpay: handle Visa and MasterCard payouts differently [bpollack] #3068

lib/active_merchant/billing/gateways/braintree_blue.rb

@@ -445,6 +445,7 @@ def response_code_from_result(result)
 
       def create_transaction(transaction_type, money, credit_card_or_vault_id, options)
         transaction_params = create_transaction_parameters(money, credit_card_or_vault_id, options)
+
         commit do
           result = @braintree_gateway.transaction.send(transaction_type, transaction_params)
           response = Response.new(result.success?, message_from_transaction_result(result), response_params(result), response_options(result))
@@ -588,6 +589,54 @@ def create_transaction_parameters(money, credit_card_or_vault_id, options)
           parameters[:recurring] = true
         end
 
+        add_payment_method(parameters, credit_card_or_vault_id, options)
+
+        parameters[:billing] = map_address(options[:billing_address]) if options[:billing_address]
+        parameters[:shipping] = map_address(options[:shipping_address]) if options[:shipping_address]
+
+        channel = @options[:channel] || application_id
+        parameters[:channel] = channel if channel
+
+        if options[:descriptor_name] || options[:descriptor_phone] || options[:descriptor_url]
+          parameters[:descriptor] = {
+            name: options[:descriptor_name],
+            phone: options[:descriptor_phone],
+            url: options[:descriptor_url]
+          }
+        end
+
+        if options[:three_d_secure]
+          parameters[:three_d_secure_pass_thru] = {
+            cavv: options[:three_d_secure][:cavv],
+            eci_flag: options[:three_d_secure][:eci],
+            xid: options[:three_d_secure][:xid],
+          }
+        end
+
+        parameters[:tax_amount] = options[:tax_amount] if options[:tax_amount]
+        parameters[:tax_exempt] = options[:tax_exempt] if options[:tax_exempt]
+        parameters[:purchase_order_number] = options[:purchase_order_number] if options[:purchase_order_number]
+
+        parameters[:shipping_amount] = options[:shipping_amount] if options[:shipping_amount]
+        parameters[:discount_amount] = options[:discount_amount] if options[:discount_amount]
+        parameters[:ships_from_postal_code] = options[:ships_from_postal_code] if options[:ships_from_postal_code]
+
+        if options[:line_items]
+          items = []
+          options[:line_items].each do |line_item|
+            item = {}
+            line_item.each do |key, value|
+              item[key.to_sym] = value
+            end
+            items << item
+          end
+          parameters[:line_items] = items
+        end
+
+        parameters
+      end
+
+      def add_payment_method(parameters, credit_card_or_vault_id, options)
         if credit_card_or_vault_id.is_a?(String) || credit_card_or_vault_id.is_a?(Integer)
           if options[:payment_method_token]
             parameters[:payment_method_token] = credit_card_or_vault_id
@@ -634,29 +683,6 @@ def create_transaction_parameters(money, credit_card_or_vault_id, options)
             }
           end
         end
-        parameters[:billing] = map_address(options[:billing_address]) if options[:billing_address]
-        parameters[:shipping] = map_address(options[:shipping_address]) if options[:shipping_address]
-
-        channel = @options[:channel] || application_id
-        parameters[:channel] = channel if channel
-
-        if options[:descriptor_name] || options[:descriptor_phone] || options[:descriptor_url]
-          parameters[:descriptor] = {
-            name: options[:descriptor_name],
-            phone: options[:descriptor_phone],
-            url: options[:descriptor_url]
-          }
-        end
-
-        if options[:three_d_secure]
-          parameters[:three_d_secure_pass_thru] = {
-            cavv: options[:three_d_secure][:cavv],
-            eci_flag: options[:three_d_secure][:eci],
-            xid: options[:three_d_secure][:xid],
-          }
-        end
-
-        parameters
       end
     end
   end

test/remote/gateways/remote_braintree_blue_test.rb

@@ -122,6 +122,51 @@ def test_successful_purchase_using_card_token
     assert_equal 'submitted_for_settlement', response.params['braintree_transaction']['status']
   end
 
+  def test_successful_purchase_with_level_2_data
+    assert response = @gateway.purchase(@amount, @credit_card, @options.merge(:tax_amount => '20', :purchase_order_number => '6789'))
+    assert_success response
+    assert_equal '1000 Approved', response.message
+  end
+
+  def test_successful_purchase_with_level_2_and_3_data
+    options = {
+      :tax_amount => '20',
+      :purchase_order_number => '6789',
+      :shipping_amount => '300',
+      :discount_amount => '150',
+      :ships_from_postal_code => '90210',
+      :line_items => [
+        {
+          :name => 'Product Name',
+          :kind => 'debit',
+          :quantity => '10.0000',
+          :unit_amount => '9.5000',
+          :unit_of_measure => 'unit',
+          :total_amount => '95.00',
+          :tax_amount => '5.00',
+          :discount_amount => '0.00',
+          :product_code => '54321',
+          :commodity_code => '98765'
+        },
+        {
+          :name => 'Other Product Name',
+          :kind => 'debit',
+          :quantity => '1.0000',
+          :unit_amount => '2.5000',
+          :unit_of_measure => 'unit',
+          :total_amount => '90.00',
+          :tax_amount => '2.00',
+          :discount_amount => '1.00',
+          :product_code => '54322',
+          :commodity_code => '98766'
+        }
+      ]
+    }
+    assert response = @gateway.purchase(@amount, @credit_card, @options.merge(options))
+    assert_success response
+    assert_equal '1000 Approved', response.message
+  end
+
   def test_successful_verify
     assert response = @gateway.verify(@credit_card, @options)
     assert_success response