protected function processEditSeries(array $post, int $seriesId, array $oldItems = []) : bool
{
if (!\array_key_exists('items', $post)) {
return false;
}
if (!$this->isSuperUser() && isset($post['author'])) {
unset($post['author']);
}
return $this->blog->updateSeries($seriesId, $oldItems, $post);
}