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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Cms\Model\Page\CustomLayout;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Message\ManagerInterface;
use Magento\Cms\Model\PageRepository;
/**
* Class for layout update validation
*/
class CustomLayoutValidator
{
/**
* @var PageFactory
*/
private $pageFactory;
/**
* @var ManagerInterface
*/
private $messageManager;
/**
* CustomLayoutValidator constructor.
* @param PageRepository $pageFactory
* @param ManagerInterface $messageManager
*/
public function __construct(
PageRepository $pageFactory,
ManagerInterface $messageManager
) {
$this->pageFactory = $pageFactory;
$this->messageManager = $messageManager;
}
/**
* Validates layout update and custom layout update for CMS page
*
* @param array $data
* @return bool
* @throws LocalizedException
*/
public function validate(array $data) : bool
{
[$layoutUpdate, $customLayoutUpdate, $oldLayoutUpdate, $oldCustomLayoutUpdate] = $this->getLayoutUpdates($data);
if (isset($data['page_id'])) {
if ($layoutUpdate && $oldLayoutUpdate !== $layoutUpdate
|| $customLayoutUpdate && $oldCustomLayoutUpdate !== $customLayoutUpdate
) {
throw new LocalizedException(__('Custom layout update text cannot be changed, only removed'));
}
} else {
if ($layoutUpdate || $customLayoutUpdate) {
throw new LocalizedException(__('Custom layout update text cannot be changed, only removed'));
}
}
return true;
}
/**
* Gets page layout update values
*
* @param array $data
* @return array
* @throws \Magento\Framework\Exception\NoSuchEntityException
*/
private function getLayoutUpdates(array $data) : array
{
$layoutUpdate = $data['layout_update_xml'] ?? null;
$customLayoutUpdate = $data['custom_layout_update_xml'] ?? null;
$oldLayoutUpdate = null;
$oldCustomLayoutUpdate = null;
if (isset($data['page_id'])) {
$page = $this->pageFactory->getById($data['page_id']);
$oldLayoutUpdate = $page->getId() ? $page->getLayoutUpdateXml() : null;
$oldCustomLayoutUpdate = $page->getId() ? $page->getCustomLayoutUpdateXml() : null;
}
return [$layoutUpdate, $customLayoutUpdate, $oldLayoutUpdate, $oldCustomLayoutUpdate];
}
}