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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Robots\Block;
use Magento\Framework\DataObject\IdentityInterface;
use Magento\Framework\View\Element\AbstractBlock;
use Magento\Framework\View\Element\Context;
use Magento\Robots\Model\Config\Value;
use Magento\Robots\Model\Robots;
use Magento\Store\Model\StoreResolver;
use Magento\Store\Model\StoreManagerInterface;
/**
* Robots Block Class.
*
* Prepares base content for robots.txt and implements Page Cache functionality.
*
* @api
* @since 100.1.0
*/
class Data extends AbstractBlock implements IdentityInterface
{
/**
* @var Robots
*/
private $robots;
/**
* @var StoreManagerInterface
*/
private $storeManager;
/**
* @param Context $context
* @param Robots $robots
* @param StoreResolver $storeResolver
* @param StoreManagerInterface|null $storeManager
* @param array $data
*
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function __construct(
Context $context,
Robots $robots,
StoreResolver $storeResolver,
StoreManagerInterface $storeManager = null,
array $data = []
) {
$this->robots = $robots;
$this->storeManager = $storeManager ?: \Magento\Framework\App\ObjectManager::getInstance()
->get(StoreManagerInterface::class);
parent::__construct($context, $data);
}
/**
* Retrieve base content for robots.txt file
*
* @return string
* @since 100.1.0
*/
protected function _toHtml()
{
return $this->robots->getData() . PHP_EOL;
}
/**
* Get unique page cache identities
*
* @return array
* @since 100.1.0
*/
public function getIdentities()
{
return [
Value::CACHE_TAG . '_' . $this->storeManager->getStore()->getId(),
];
}
}