Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\node\Access;
Chris@0: 
Chris@0: use Drupal\Core\Access\AccessResult;
Chris@18: use Drupal\Core\DependencyInjection\DeprecatedServicePropertyTrait;
Chris@18: use Drupal\Core\Entity\EntityTypeManagerInterface;
Chris@0: use Drupal\Core\Routing\Access\AccessInterface;
Chris@0: use Drupal\Core\Session\AccountInterface;
Chris@0: use Drupal\node\NodeTypeInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Determines access to for node add pages.
Chris@0:  *
Chris@0:  * @ingroup node_access
Chris@0:  */
Chris@0: class NodeAddAccessCheck implements AccessInterface {
Chris@18:   use DeprecatedServicePropertyTrait;
Chris@0: 
Chris@0:   /**
Chris@18:    * {@inheritdoc}
Chris@18:    */
Chris@18:   protected $deprecatedProperties = ['entityManager' => 'entity.manager'];
Chris@18: 
Chris@18:   /**
Chris@18:    * The entity type manager.
Chris@0:    *
Chris@18:    * @var \Drupal\Core\Entity\EntityTypeManagerInterface
Chris@0:    */
Chris@18:   protected $entityTypeManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a EntityCreateAccessCheck object.
Chris@0:    *
Chris@18:    * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
Chris@18:    *   The entity type manager.
Chris@0:    */
Chris@18:   public function __construct(EntityTypeManagerInterface $entity_type_manager) {
Chris@18:     $this->entityTypeManager = $entity_type_manager;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Checks access to the node add page for the node type.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Session\AccountInterface $account
Chris@0:    *   The currently logged in account.
Chris@0:    * @param \Drupal\node\NodeTypeInterface $node_type
Chris@0:    *   (optional) The node type. If not specified, access is allowed if there
Chris@0:    *   exists at least one node type for which the user may create a node.
Chris@0:    *
Chris@0:    * @return string
Chris@0:    *   A \Drupal\Core\Access\AccessInterface constant value.
Chris@0:    */
Chris@0:   public function access(AccountInterface $account, NodeTypeInterface $node_type = NULL) {
Chris@18:     $access_control_handler = $this->entityTypeManager->getAccessControlHandler('node');
Chris@0:     // If checking whether a node of a particular type may be created.
Chris@0:     if ($account->hasPermission('administer content types')) {
Chris@0:       return AccessResult::allowed()->cachePerPermissions();
Chris@0:     }
Chris@0:     if ($node_type) {
Chris@0:       return $access_control_handler->createAccess($node_type->id(), $account, [], TRUE);
Chris@0:     }
Chris@0:     // If checking whether a node of any type may be created.
Chris@18:     foreach ($this->entityTypeManager->getStorage('node_type')->loadMultiple() as $node_type) {
Chris@0:       if (($access = $access_control_handler->createAccess($node_type->id(), $account, [], TRUE)) && $access->isAllowed()) {
Chris@0:         return $access;
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     // No opinion.
Chris@0:     return AccessResult::neutral();
Chris@0:   }
Chris@0: 
Chris@0: }