/**
* Get cache tags associated with object id
*
* @return string[]
*/
public function getCacheIdTags()
{
$tags = parent::getCacheIdTags();
$affectedCategoryIds = $this->getAffectedCategoryIds();
if (!$affectedCategoryIds) {
$affectedCategoryIds = $this->getCategoryIds();
}
foreach ($affectedCategoryIds as $categoryId) {
$tags[] = \Magento\Catalog\Model\Category::CACHE_TAG . '_' . $categoryId;
}
return $tags;
}
