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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\PageCache\Model\Layout;
use Magento\Framework\View\EntitySpecificHandlesList;
/**
* Plugin for @see \Magento\Framework\View\Model\Layout\Merge
*/
class MergePlugin
{
/**
* @var EntitySpecificHandlesList
*/
private $entitySpecificHandlesList;
/**
* Constructor
*
* @param EntitySpecificHandlesList $entitySpecificHandlesList
*/
public function __construct(
EntitySpecificHandlesList $entitySpecificHandlesList
) {
$this->entitySpecificHandlesList = $entitySpecificHandlesList;
}
/**
* Make sure that page specific handles (those which contain entity ID) do not have any declarations of ESI blocks
*
* ESI blocks cannot be declared for page specific handles, otherwise they will not be shared between pages
*
* @param \Magento\Framework\View\Model\Layout\Merge $subject
* @param string $handle
* @param string $updateXml
* @return array|null
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function beforeValidateUpdate(\Magento\Framework\View\Model\Layout\Merge $subject, $handle, $updateXml)
{
if (in_array($handle, $this->entitySpecificHandlesList->getHandles())
&& (strpos($updateXml, 'ttl=') !== false)
) {
throw new \LogicException(
"Handle '{$handle}' must not contain blocks with 'ttl' attribute specified. "
. "Otherwise, these blocks will be treated as ESI by Varnish, however will not be shared between pages "
. "because handle '{$handle}' is not generic. Such blocks will not be rendered on the page"
);
}
return null;
}
}