public function LatestRevisionCheck::access

Checks that there is a pending revision available.

This checker assumes the presence of an '_entity_access' requirement key in the same form as used by EntityAccessCheck.

Parameters

\Symfony\Component\Routing\Route $route: The route to check against.

\Drupal\Core\Routing\RouteMatchInterface $route_match: The parametrized route.

\Drupal\Core\Session\AccountInterface $account: The current user account.

Return value

\Drupal\Core\Access\AccessResultInterface The access result.

See also

\Drupal\Core\Entity\EntityAccessCheck

File

core/modules/content_moderation/src/Access/LatestRevisionCheck.php, line 55

Class

LatestRevisionCheck

Access check for the entity moderation tab.

Namespace

Code

public function access(Route $route, RouteMatchInterface $route_match, AccountInterface $account) {

  // This tab should not show up unless there's a reason to show it.
  $entity = $this
    ->loadEntity($route, $route_match);
  if ($this->moderationInfo
    ->hasPendingRevision($entity)) {

    // Check the global permissions first.
    $access_result = AccessResult::allowedIfHasPermissions($account, [
      'view latest version',
      'view any unpublished content',
    ]);
    if (!$access_result
      ->isAllowed()) {

      // Check entity owner access.
      $owner_access = AccessResult::allowedIfHasPermissions($account, [
        'view latest version',
        'view own unpublished content',
      ]);
      $owner_access = $owner_access
        ->andIf(AccessResult::allowedIf($entity instanceof EntityOwnerInterface && $entity
        ->getOwnerId() == $account
        ->id()));
      $access_result = $access_result
        ->orIf($owner_access);
    }
    return $access_result
      ->addCacheableDependency($entity);
  }
  return AccessResult::forbidden('No pending revision for moderated entity.')
    ->addCacheableDependency($entity);
}