/**
* {@inheritDoc}
*/
public function validateEntity(EntityInterface $entity, ErrorStore $errorStore)
{
if (!$entity->getSite()) {
$errorStore->addError('o:site', 'A page must belong to a site.');
}
$slug = $entity->getSlug();
if (!is_string($slug) || $slug === '') {
$errorStore->addError('o:slug', 'The slug cannot be empty.');
}
if (preg_match('/[^a-zA-Z0-9-]/u', $slug)) {
$errorStore->addError('o:slug', 'A slug can only contain letters, numbers, and hyphens.');
}
if ($entity->getSite() && !$this->isUnique($entity, ['slug' => $slug, 'site' => $entity->getSite()])) {
$errorStore->addError('o:slug', sprintf('The slug "%s" is already taken.', $slug));
}
if (!$entity->getTitle()) {
$errorStore->addError('o:title', 'A page must have a title.');
}
}
