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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\MediaContentCms\Observer;
use Magento\Cms\Model\Block as CmsBlock;
use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\MediaContentApi\Api\Data\ContentIdentityInterfaceFactory;
use Magento\MediaContentApi\Api\Data\ContentAssetLinkInterfaceFactory;
use Magento\MediaContentApi\Api\DeleteContentAssetLinksInterface;
use Magento\MediaContentApi\Model\GetEntityContentsInterface;
use Magento\MediaContentApi\Api\ExtractAssetsFromContentInterface;
use Magento\MediaContentApi\Model\Config;
/**
* Observe the adminhtml_cmspage_on_delete event and deletes relation between page content and media asset.
*/
class BlockDelete implements ObserverInterface
{
private const CONTENT_TYPE = 'cms_block';
private const TYPE = 'entityType';
private const ENTITY_ID = 'entityId';
private const FIELD = 'field';
/**
* @var Config
*/
private $config;
/**
* @var ContentIdentityInterfaceFactory
*/
private $contentIdentityFactory;
/**
* @var ContentAssetLinkInterfaceFactory
*/
private $contentAssetLinkFactory;
/**
* @var DeleteContentAssetLinksInterface
*/
private $deleteContentAssetLinks;
/**
* @var array
*/
private $fields;
/**
* @var GetEntityContentsInterface
*/
private $getContent;
/**
* @var ExtractAssetsFromContentInterface
*/
private $extractAssetsFromContent;
/**
* @param ExtractAssetsFromContentInterface $extractAssetsFromContent
* @param GetEntityContentsInterface $getContent
* @param DeleteContentAssetLinksInterface $deleteContentAssetLinks
* @param ContentIdentityInterfaceFactory $contentIdentityFactory
* @param ContentAssetLinkInterfaceFactory $contentAssetLinkFactory
* @param Config $config
* @param array $fields
*/
public function __construct(
ExtractAssetsFromContentInterface $extractAssetsFromContent,
GetEntityContentsInterface $getContent,
DeleteContentAssetLinksInterface $deleteContentAssetLinks,
ContentIdentityInterfaceFactory $contentIdentityFactory,
ContentAssetLinkInterfaceFactory $contentAssetLinkFactory,
Config $config,
array $fields
) {
$this->extractAssetsFromContent = $extractAssetsFromContent;
$this->getContent = $getContent;
$this->deleteContentAssetLinks = $deleteContentAssetLinks;
$this->contentAssetLinkFactory = $contentAssetLinkFactory;
$this->contentIdentityFactory = $contentIdentityFactory;
$this->config = $config;
$this->fields = $fields;
}
/**
* Retrieve the deleted category and remove relation betwen category and asset
*
* @param Observer $observer
* @throws \Exception
*/
public function execute(Observer $observer): void
{
if (!$this->config->isEnabled()) {
return;
}
$block = $observer->getEvent()->getData('object');
$contentAssetLinks = [];
if ($block instanceof CmsBlock) {
foreach ($this->fields as $field) {
$contentIdentity = $this->contentIdentityFactory->create(
[
self::TYPE => self::CONTENT_TYPE,
self::FIELD => $field,
self::ENTITY_ID => (string) $block->getId(),
]
);
$assets = $this->extractAssetsFromContent->execute((string) $block->getData($field));
foreach ($assets as $asset) {
$contentAssetLinks[] = $this->contentAssetLinkFactory->create(
[
'assetId' => $asset->getId(),
'contentIdentity' => $contentIdentity
]
);
}
}
if (!empty($contentAssetLinks)) {
$this->deleteContentAssetLinks->execute($contentAssetLinks);
}
}
}
}