MC-41499: Missing Bundled Products on Category Pages

Author: tsviklinskyi

app/code/Magento/CatalogInventory/Model/Indexer/Stock/CacheCleaner.php

@@ -6,6 +6,7 @@
 
 namespace Magento\CatalogInventory\Model\Indexer\Stock;
 
+use Magento\Catalog\Model\Category;
 use Magento\CatalogInventory\Api\StockConfigurationInterface;
 use Magento\Framework\App\ResourceConnection;
 use Magento\Framework\App\ObjectManager;
@@ -88,6 +89,11 @@ public function clean(array $productIds, callable $reindex)
         if ($productIds) {
             $this->cacheContext->registerEntities(Product::CACHE_TAG, array_unique($productIds));
             $this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->cacheContext]);
+            $categoryIds = $this->getCategoryIdsByProductIds($productIds);
+            if ($categoryIds){
+                $this->cacheContext->registerEntities(Category::CACHE_TAG, array_unique($categoryIds));
+                $this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->cacheContext]);
+            }
         }
     }
 
@@ -159,6 +165,22 @@ private function getProductIdsForCacheClean(array $productStatusesBefore, array
         return $productIds;
     }
 
+    /**
+     * Get category ids for products
+     *
+     * @param array $productIds
+     * @return array
+     */
+    private function getCategoryIdsByProductIds(array $productIds): array
+    {
+        $categoryProductTable = $this->getConnection()->getTableName('catalog_category_product');
+        $select = $this->getConnection()->select()
+            ->from(['catalog_category_product' => $categoryProductTable], ['category_id'])
+            ->where('product_id IN (?)', $productIds);
+
+        return $this->getConnection()->fetchCol($select);
+    }
+
     /**
      * Get database connection.
      *