MC-38306: [Cloud] Adding new disabled products to Magento flushes categories cache

Author: rostyslav-hymon

app/code/Magento/Catalog/Model/Category/Product/PositionResolver.php

@@ -49,4 +49,30 @@ public function getPositions(int $categoryId): array
 
         return array_flip($connection->fetchCol($select));
     }
+
+    /**
+     * Get category product positions
+     *
+     * @param int $categoryId
+     * @return int
+     */
+    public function getLastPosition(int $categoryId): int
+    {
+        $connection = $this->getConnection();
+
+        $select = $connection->select()->from(
+            ['cpe' => $this->getTable('catalog_product_entity')],
+            ['position' => new \Zend_Db_Expr('MAX(position)')]
+        )->joinLeft(
+            ['ccp' => $this->getTable('catalog_category_product')],
+            'ccp.product_id=cpe.entity_id'
+        )->where(
+            'ccp.category_id = ?',
+            $categoryId
+        )->order(
+            'ccp.product_id ' . \Magento\Framework\DB\Select::SQL_DESC
+        );
+
+        return (int)$connection->fetchOne($select);
+    }
 }