From 41b5794df466e588ef685f6fc7dc36f7ab749c7a Mon Sep 17 00:00:00 2001
From: Alma Malambo <amalambo@spreedly.com>
Date: Mon, 30 Sep 2024 14:28:04 -0500
Subject: [PATCH] DLocal: Add X-Dlocal-Payment-Source to header

Remote
40 tests, 110 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
100% passed
---
 CHANGELOG                                       | 1 +
 lib/active_merchant/billing/gateways/d_local.rb | 1 +
 test/remote/gateways/remote_d_local_test.rb     | 2 +-
 test/unit/gateways/d_local_test.rb              | 4 +++-
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 8babce4c02a..7f8dc2c95b6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -59,6 +59,7 @@
 * Orbital: Update alternate_ucaf_flow [almalee24] #5282
 * Adyen: Remove cryptogram flag [almalee24] #5300
 * Cecabank: Include Apple Pay and Google Pay for recurring payments [gasn150] #5295
+* DLocal: Add X-Dlocal-Payment-Source to header [almalee24] #5281
 
 == Version 1.137.0 (August 2, 2024)
 * Unlock dependency on `rexml` to allow fixing a CVE (#5181).
diff --git a/lib/active_merchant/billing/gateways/d_local.rb b/lib/active_merchant/billing/gateways/d_local.rb
index 1301bb625d6..8c29d5820ad 100644
--- a/lib/active_merchant/billing/gateways/d_local.rb
+++ b/lib/active_merchant/billing/gateways/d_local.rb
@@ -299,6 +299,7 @@ def headers(post, options = {})
           'Authorization' => signature(post, timestamp)
         }
         headers['X-Idempotency-Key'] = options[:idempotency_key] if options[:idempotency_key]
+        headers['X-Dlocal-Payment-Source'] = application_id if application_id
         headers
       end
 
diff --git a/test/remote/gateways/remote_d_local_test.rb b/test/remote/gateways/remote_d_local_test.rb
index 5784a488f90..e0397c93051 100644
--- a/test/remote/gateways/remote_d_local_test.rb
+++ b/test/remote/gateways/remote_d_local_test.rb
@@ -1,5 +1,5 @@
 require 'test_helper'
-
+ActiveMerchant::Billing::DLocalGateway.application_id = 'ActiveMerchant'
 class RemoteDLocalTest < Test::Unit::TestCase
   def setup
     @gateway = DLocalGateway.new(fixtures(:d_local))
diff --git a/test/unit/gateways/d_local_test.rb b/test/unit/gateways/d_local_test.rb
index 6f45a82f9c6..96c7ecd42a4 100644
--- a/test/unit/gateways/d_local_test.rb
+++ b/test/unit/gateways/d_local_test.rb
@@ -37,10 +37,12 @@ def test_successful_purchase
   end
 
   def test_purchase_with_save
+    DLocalGateway.application_id = 'ActiveMerchant'
     stub_comms do
       @gateway.purchase(@amount, @credit_card, @options.merge(save: true))
-    end.check_request do |_endpoint, data, _headers|
+    end.check_request do |_endpoint, data, headers|
       assert_equal true, JSON.parse(data)['card']['save']
+      assert_equal 'ActiveMerchant', headers['X-Dlocal-Payment-Source']
     end.respond_with(successful_purchase_response)
   end