BUG#AC-1705-Page Cache is not cleared for the parent product on the child product save

Author: glo80326

app/code/Magento/Catalog/Model/Indexer/Product/Price.php

@@ -66,7 +66,6 @@ public function __construct(
     public function execute($ids)
     {
         $this->_productPriceIndexerRows->execute($ids);
-        $this->cacheContext->registerEntities(ProductModel::CACHE_TAG, $ids);
     }
 
     /**

app/code/Magento/Catalog/Model/Indexer/Product/Price/AbstractAction.php

@@ -6,6 +6,7 @@
 
 namespace Magento\Catalog\Model\Indexer\Product\Price;
 
+use Magento\Catalog\Model\Product;
 use Magento\Catalog\Model\Product\Type;
 use Magento\Catalog\Model\ResourceModel\Product\Indexer\Price\DefaultPrice;
 use Magento\Catalog\Model\ResourceModel\Product\Indexer\Price\Factory;
@@ -20,6 +21,7 @@
 use Magento\Framework\Exception\InputException;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\Indexer\CacheContext;
 use Magento\Framework\Indexer\DimensionalIndexerInterface;
 use Magento\Framework\Search\Request\Dimension;
 use Magento\Framework\Stdlib\DateTime;
@@ -61,8 +63,6 @@ abstract class AbstractAction
     protected $_storeManager;
 
     /**
-     * Currency factory
-     *
      * @var CurrencyFactory
      */
     protected $_currencyFactory;
@@ -83,8 +83,6 @@ abstract class AbstractAction
     protected $_catalogProductType;
 
     /**
-     * Indexer price factory
-     *
      * @var Factory
      */
     protected $_indexerPriceFactory;
@@ -109,6 +107,11 @@ abstract class AbstractAction
      */
     private $tableMaintainer;
 
+    /**
+     * @var CacheContext
+     */
+    private $cacheContext;
+
     /**
      * @param ScopeConfigInterface $config
      * @param StoreManagerInterface $storeManager
@@ -121,6 +124,7 @@ abstract class AbstractAction
      * @param TierPrice|null $tierPriceIndexResource
      * @param DimensionCollectionFactory|null $dimensionCollectionFactory
      * @param TableMaintainer|null $tableMaintainer
+     * @param CacheContext|null $cacheContext
      * @SuppressWarnings(PHPMD.NPathComplexity)
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      * @SuppressWarnings(PHPMD.ExcessiveParameterList)
@@ -136,7 +140,8 @@ public function __construct(
         DefaultPrice $defaultIndexerResource,
         TierPrice $tierPriceIndexResource = null,
         DimensionCollectionFactory $dimensionCollectionFactory = null,
-        TableMaintainer $tableMaintainer = null
+        TableMaintainer $tableMaintainer = null,
+        CacheContext $cacheContext = null
     ) {
         $this->_config = $config;
         $this->_storeManager = $storeManager;
@@ -156,6 +161,7 @@ public function __construct(
         $this->tableMaintainer = $tableMaintainer ?? ObjectManager::getInstance()->get(
             TableMaintainer::class
         );
+        $this->cacheContext = $cacheContext ?? ObjectManager::getInstance()->get(CacheContext::class);
     }
 
     /**
@@ -391,6 +397,7 @@ protected function _reindexRows($changedIds = [])
 
         if ($changedIds) {
             $this->deleteIndexData($changedIds);
+            $this->cacheContext->registerEntities(Product::CACHE_TAG, $changedIds);
         }
 
         $typeIndexers = $this->getTypeIndexers();