public function saveArticle(array $articleArray)
{
$article = $this->getArticle($articleArray['id']);
$article->getPackages()->clear();
foreach ($articleArray['slideshows'] as $slideshow) {
$package = $this->orm->find('Newscoop\\Package\\Package', $slideshow['id']);
$article->getPackages()->add($package);
}
$this->orm->flush();
}