public function CommentController::getReplyForm in Drupal 8

Same name and namespace in other branches

9 core/modules/comment/src/Controller/CommentController.php \Drupal\comment\Controller\CommentController::getReplyForm()
10 core/modules/comment/src/Controller/CommentController.php \Drupal\comment\Controller\CommentController::getReplyForm()

Form constructor for the comment reply form.

There are several cases that have to be handled, including:

replies to comments
replies to entities

Parameters

\Symfony\Component\HttpFoundation\Request $request: The current request object.

\Drupal\Core\Entity\EntityInterface $entity: The entity this comment belongs to.

string $field_name: The field_name to which the comment belongs.

int $pid: (optional) Some comments are replies to other comments. In those cases, $pid is the parent comment's comment ID. Defaults to NULL.

Return value

array|\Symfony\Component\HttpFoundation\RedirectResponse An associative array containing:

An array for rendering the entity or parent comment.
- comment_entity: If the comment is a reply to the entity.
- comment_parent: If the comment is a reply to another comment.
comment_form: The comment form as a renderable array.

Throws

\Symfony\Component\HttpKernel\Exception\NotFoundHttpException

1 string reference to 'CommentController::getReplyForm'

comment.routing.yml in core/modules/comment/comment.routing.yml: core/modules/comment/comment.routing.yml

File

core/modules/comment/src/Controller/CommentController.php, line 238

Class

CommentController: Controller for the comment entity.

Namespace

Drupal\comment\Controller

Code

public function getReplyForm(Request $request, EntityInterface $entity, $field_name, $pid = NULL) {
  $account = $this
    ->currentUser();
  $build = [];

  // The user is not just previewing a comment.
  if ($request->request
    ->get('op') != $this
    ->t('Preview')) {

    // $pid indicates that this is a reply to a comment.
    if ($pid) {

      // Load the parent comment.
      $comment = $this
        ->entityTypeManager()
        ->getStorage('comment')
        ->load($pid);

      // Display the parent comment.
      $build['comment_parent'] = $this
        ->entityTypeManager()
        ->getViewBuilder('comment')
        ->view($comment);
    }
    elseif ($entity
      ->access('view', $account)) {

      // We make sure the field value isn't set so we don't end up with a
      // redirect loop.
      $entity = clone $entity;
      $entity->{$field_name}->status = CommentItemInterface::HIDDEN;

      // Render array of the entity full view mode.
      $build['commented_entity'] = $this
        ->entityTypeManager()
        ->getViewBuilder($entity
        ->getEntityTypeId())
        ->view($entity, 'full');
      unset($build['commented_entity']['#cache']);
    }
  }
  else {
    $build['#title'] = $this
      ->t('Preview comment');
  }

  // Show the actual reply box.
  $comment = $this
    ->entityTypeManager()
    ->getStorage('comment')
    ->create([
    'entity_id' => $entity
      ->id(),
    'pid' => $pid,
    'entity_type' => $entity
      ->getEntityTypeId(),
    'field_name' => $field_name,
  ]);
  $build['comment_form'] = $this
    ->entityFormBuilder()
    ->getForm($comment);
  return $build;
}

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