/**
* @param \Claroline\CoreBundle\Entity\User $user
*/
public function uploadAvatar(User $user)
{
if (null !== $user->getPictureFile()) {
if (!is_writable($pictureDir = $this->uploadsDirectory . '/pictures/')) {
throw new \Exception("{$pictureDir} is not writable");
}
$user->setPicture(sha1($user->getPictureFile()->getClientOriginalName() . $user->getId()) . '.' . $user->getPictureFile()->guessExtension());
$user->getPictureFile()->move($pictureDir, $user->getPicture());
}
}