diff core/modules/node/src/Access/NodePreviewAccessCheck.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/node/src/Access/NodePreviewAccessCheck.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,55 @@
+<?php
+
+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.
+ *
+ * @ingroup node_access
+ */
+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, [], TRUE);
+    }
+    else {
+      return $node_preview->access('update', $account, TRUE);
+    }
+  }
+
+}