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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\Cms\Api\Data\PageInterface;
use Magento\Cms\Api\PageRepositoryInterface;
use Magento\Cms\Model\Page\CustomLayout\Data\CustomLayoutSelectedInterface;
use Magento\Cms\Model\Page\CustomLayoutManagerInterface;
use Magento\Cms\Model\Page\IdentityMap;
use Magento\Framework\App\Area;
use Magento\Framework\View\Design\Theme\FlyweightFactory;
use Magento\Framework\View\DesignInterface;
use Magento\Framework\View\Result\Page as PageLayout;
use Magento\Framework\View\Model\Layout\Merge as LayoutProcessor;
use Magento\Framework\View\Model\Layout\MergeFactory as LayoutProcessorFactory;
/**
* @inheritDoc
*/
class CustomLayoutManager implements CustomLayoutManagerInterface
{
/**
* @var FlyweightFactory
*/
private $themeFactory;
/**
* @var DesignInterface
*/
private $design;
/**
* @var PageRepositoryInterface
*/
private $pageRepository;
/**
* @var LayoutProcessorFactory
*/
private $layoutProcessorFactory;
/**
* @var LayoutProcessor|null
*/
private $layoutProcessor;
/**
* @var IdentityMap
*/
private $identityMap;
/**
* @param FlyweightFactory $themeFactory
* @param DesignInterface $design
* @param PageRepositoryInterface $pageRepository
* @param LayoutProcessorFactory $layoutProcessorFactory
* @param IdentityMap $identityMap
*/
public function __construct(
FlyweightFactory $themeFactory,
DesignInterface $design,
PageRepositoryInterface $pageRepository,
LayoutProcessorFactory $layoutProcessorFactory,
IdentityMap $identityMap
) {
$this->themeFactory = $themeFactory;
$this->design = $design;
$this->pageRepository = $pageRepository;
$this->layoutProcessorFactory = $layoutProcessorFactory;
$this->identityMap = $identityMap;
}
/**
* Adopt page's identifier to be used as layout handle.
*
* @param PageInterface $page
* @return string
*/
private function sanitizeIdentifier(PageInterface $page): string
{
return $page->getIdentifier() === null ? '' : str_replace('/', '_', $page->getIdentifier());
}
/**
* Get the processor instance.
*
* @return LayoutProcessor
*/
private function getLayoutProcessor(): LayoutProcessor
{
if (!$this->layoutProcessor) {
$this->layoutProcessor = $this->layoutProcessorFactory->create(
[
'theme' => $this->themeFactory->create(
$this->design->getConfigurationDesignTheme(Area::AREA_FRONTEND)
)
]
);
$this->themeFactory = null;
$this->design = null;
}
return $this->layoutProcessor;
}
/**
* @inheritDoc
*/
public function fetchAvailableFiles(PageInterface $page): array
{
$identifier = $this->sanitizeIdentifier($page);
$handles = $this->getLayoutProcessor()->getAvailableHandles();
return array_filter(
array_map(
function (string $handle) use ($identifier) : ?string {
preg_match(
'/^cms\_page\_view\_selectable\_' .preg_quote($identifier) .'\_([a-z0-9]+)/i',
$handle,
$selectable
);
if (!empty($selectable[1])) {
return $selectable[1];
}
return null;
},
$handles
)
);
}
/**
* @inheritDoc
*/
public function applyUpdate(PageLayout $layout, CustomLayoutSelectedInterface $layoutSelected): void
{
$page = $this->identityMap->get($layoutSelected->getPageId());
if (!$page) {
$page = $this->pageRepository->getById($layoutSelected->getPageId());
}
$layout->addPageLayoutHandles(
['selectable' => $this->sanitizeIdentifier($page) .'_' .$layoutSelected->getLayoutFileId()],
'cms_page_view'
);
}
}