From 5980ef0467e129b5fd199cec4f0685c47f5c57e4 Mon Sep 17 00:00:00 2001
From: magentoabu <magentoabu@gmail.com>
Date: Wed, 9 Apr 2025 20:45:08 +0530
Subject: [PATCH 1/2] coupon code added to totals model

---
 app/code/Magento/Sales/Block/Order/Totals.php | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/app/code/Magento/Sales/Block/Order/Totals.php b/app/code/Magento/Sales/Block/Order/Totals.php
index dc507f93887f5..4c9356c52d49f 100644
--- a/app/code/Magento/Sales/Block/Order/Totals.php
+++ b/app/code/Magento/Sales/Block/Order/Totals.php
@@ -7,6 +7,7 @@
 
 use Magento\Framework\DataObject;
 use Magento\Sales\Model\Order;
+use Magento\Sales\Model\Order\Invoice;
 
 /**
  * Order totals.
@@ -127,8 +128,13 @@ protected function _initTotals()
          * Add discount
          */
         if ((double)$this->getSource()->getDiscountAmount() != 0) {
-            if ($this->getSource()->getDiscountDescription()) {
-                $discountLabel = __('Discount (%1)', $source->getDiscountDescription());
+            if ($this->getSource() instanceof Invoice) {
+                $discountSource = $this->getSource()->getOrder();
+            } else {
+                $discountSource = $this->getSource();
+            }
+            if ($this->getSource()->getCouponCode()) {
+                $discountLabel = __('Discount (%1)', $discountSource->getCouponCode());
             } else {
                 $discountLabel = __('Discount');
             }
@@ -136,7 +142,7 @@ protected function _initTotals()
                 [
                     'code' => 'discount',
                     'field' => 'discount_amount',
-                    'value' => $source->getDiscountAmount(),
+                    'value' => $discountSource->getDiscountAmount(),
                     'label' => $discountLabel,
                 ]
             );

From 89261c16668114c84e894f626b00704effde01af Mon Sep 17 00:00:00 2001
From: magentoabu <magentoabu@gmail.com>
Date: Thu, 10 Apr 2025 11:34:52 +0530
Subject: [PATCH 2/2] static test fixed

---
 app/code/Magento/Sales/Block/Order/Totals.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/code/Magento/Sales/Block/Order/Totals.php b/app/code/Magento/Sales/Block/Order/Totals.php
index 4c9356c52d49f..17e067a878043 100644
--- a/app/code/Magento/Sales/Block/Order/Totals.php
+++ b/app/code/Magento/Sales/Block/Order/Totals.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2013 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Sales\Block\Order;