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<?php
namespace Drupal\node\Access;
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Routing\Access\AccessInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\node\NodeTypeInterface;
/**
* Determines access to for node add pages.
*
* @ingroup node_access
*/
class NodeAddAccessCheck 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 add page for the node type.
*
* @param \Drupal\Core\Session\AccountInterface $account
* The currently logged in account.
* @param \Drupal\node\NodeTypeInterface $node_type
* (optional) The node type. If not specified, access is allowed if there
* exists at least one node type for which the user may create a node.
*
* @return string
* A \Drupal\Core\Access\AccessInterface constant value.
*/
public function access(AccountInterface $account, NodeTypeInterface $node_type = NULL) {
$access_control_handler = $this->entityManager->getAccessControlHandler('node');
// If checking whether a node of a particular type may be created.
if ($account->hasPermission('administer content types')) {
return AccessResult::allowed()->cachePerPermissions();
}
if ($node_type) {
return $access_control_handler->createAccess($node_type->id(), $account, [], TRUE);
}
// If checking whether a node of any type may be created.
foreach ($this->entityManager->getStorage('node_type')->loadMultiple() as $node_type) {
if (($access = $access_control_handler->createAccess($node_type->id(), $account, [], TRUE)) && $access->isAllowed()) {
return $access;
}
}
// No opinion.
return AccessResult::neutral();
}
}