Overrides Drupal\Core\Entity\EntityFormController::submit().
Overrides EntityFormController::submit
public function submit(array $form, array &$form_state) {
$comment = parent::submit($form, $form_state);
// If the comment was posted by a registered user, assign the author's ID.
// @todo Too fragile. Should be prepared and stored in comment_form()
// already.
if (!$comment->is_anonymous && !empty($comment->name->value) && ($account = user_load_by_name($comment->name->value))) {
$comment->uid->target_id = $account->uid;
}
// If the comment was posted by an anonymous user and no author name was
// required, use "Anonymous" by default.
if ($comment->is_anonymous && (!isset($comment->name->value) || $comment->name->value === '')) {
$comment->name->value = config('user.settings')
->get('anonymous');
}
// Validate the comment's subject. If not specified, extract from comment
// body.
if (trim($comment->subject->value) == '') {
// The body may be in any format, so:
// 1) Filter it into HTML
// 2) Strip out all HTML tags
// 3) Convert entities back to plain-text.
$comment_text = $comment->comment_body->processed;
$comment->subject = truncate_utf8(trim(decode_entities(strip_tags($comment_text))), 29, TRUE);
// Edge cases where the comment body is populated only by HTML tags will
// require a default subject.
if ($comment->subject->value == '') {
$comment->subject->value = t('(No subject)');
}
}
return $comment;
}