MC-35065: Catalog pricerules are not working with custom options as expected in Magento 2.3.0 product details page

Author: OlgaVasyltsun

app/code/Magento/Catalog/Block/Product/View/Options/AbstractOptions.php

@@ -12,7 +12,10 @@
 
 namespace Magento\Catalog\Block\Product\View\Options;
 
+use Magento\Catalog\Pricing\Price\BasePrice;
+use Magento\Catalog\Pricing\Price\CalculateCustomOptionCatalogRule;
 use Magento\Catalog\Pricing\Price\CustomOptionPriceInterface;
+use Magento\Framework\App\ObjectManager;
 
 /**
  * Product options section abstract block.
@@ -47,20 +50,29 @@ abstract class AbstractOptions extends \Magento\Framework\View\Element\Template
      */
     protected $_catalogHelper;
 
+    /**
+     * @var CalculateCustomOptionCatalogRule
+     */
+    private $calculateCustomOptionCatalogRule;
+
     /**
      * @param \Magento\Framework\View\Element\Template\Context $context
      * @param \Magento\Framework\Pricing\Helper\Data $pricingHelper
      * @param \Magento\Catalog\Helper\Data $catalogData
      * @param array $data
+     * @param CalculateCustomOptionCatalogRule $calculateCustomOptionCatalogRule
      */
     public function __construct(
         \Magento\Framework\View\Element\Template\Context $context,
         \Magento\Framework\Pricing\Helper\Data $pricingHelper,
         \Magento\Catalog\Helper\Data $catalogData,
-        array $data = []
+        array $data = [],
+        CalculateCustomOptionCatalogRule $calculateCustomOptionCatalogRule = null
     ) {
         $this->pricingHelper = $pricingHelper;
         $this->_catalogHelper = $catalogData;
+        $this->calculateCustomOptionCatalogRule = $calculateCustomOptionCatalogRule
+            ?? ObjectManager::getInstance()->get(CalculateCustomOptionCatalogRule::class);
         parent::__construct($context, $data);
     }
 
@@ -112,7 +124,6 @@ public function getOption()
      * Retrieve formatted price
      *
      * @return string
-     * @since 102.0.6
      */
     public function getFormattedPrice()
     {
@@ -132,7 +143,7 @@ public function getFormattedPrice()
      *
      * @return string
      *
-     * @deprecated 102.0.6
+     * @deprecated
      * @see getFormattedPrice()
      */
     public function getFormatedPrice()
@@ -162,6 +173,15 @@ protected function _formatPrice($value, $flag = true)
         $priceStr = $sign;
 
         $customOptionPrice = $this->getProduct()->getPriceInfo()->getPrice('custom_option_price');
+
+        if (!$value['is_percent']) {
+            $value['pricing_value'] = $this->calculateCustomOptionCatalogRule->execute(
+                $this->getProduct(),
+                (float)$value['pricing_value'],
+                (bool)$value['is_percent']
+            );
+        }
+
         $context = [CustomOptionPriceInterface::CONFIGURATION_OPTION_FLAG => true];
         $optionAmount = $customOptionPrice->getCustomAmount($value['pricing_value'], null, $context);
         $priceStr .= $this->getLayout()->getBlock('product.price.render.default')->renderAmount(