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<?php
/**
* @file
* Contains \Drupal\node\Access\NodePreviewAccessCheck.
*/
namespace Drupal\node\Access;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Routing\Access\AccessInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\node\NodeInterface;
/**
* Determines access to node previews.
*/
class NodePreviewAccessCheck implements AccessInterface {
/**
* The entity manager.
*
* @var \Drupal\Core\Entity\EntityManagerInterface
*/
protected $entityManager;
/**
* Constructs a EntityCreateAccessCheck object.
*
* @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
* The entity manager.
*/
public function __construct(EntityManagerInterface $entity_manager) {
$this->entityManager = $entity_manager;
}
/**
* Checks access to the node preview page.
*
* @param \Drupal\Core\Session\AccountInterface $account
* The currently logged in account.
* @param \Drupal\node\NodeInterface $node_preview
* The node that is being previewed.
*
* @return string
* A \Drupal\Core\Access\AccessInterface constant value.
*/
public function access(AccountInterface $account, NodeInterface $node_preview) {
if ($node_preview->isNew()) {
$access_controller = $this->entityManager->getAccessControlHandler('node');
return $access_controller->createAccess($node_preview->bundle(), $account) ? static::ALLOW : static::DENY;
}
else {
return $node_preview->access('update', $account) ? static::ALLOW : static::DENY;
}
}
}