protected function syncAdVideos(Ad $ad, $request)
{
$max = $ad->adtype->nbr_video;
$ad->videos()->delete();
$i = 0;
$videos = $request->get('videos');
if (is_array($videos)) {
foreach ($videos as $video) {
if ($max > $i) {
$ad->videos()->create($video);
$i++;
}
}
}
}