private function savePost($request): Post
{
$post = new Post();
$user = $this->userSession->getUser();
$user = $this->em->find("App\Model\User", $user->getId());
$post->setUser($user);
$post->setTitle($request->get('title'));
$post->setDescription($request->get('description'));
if ($imageName = $request->get('imageName')) {
rename($this->uploadDir.'/temp/'.$imageName, $this->uploadDir.'/'.$imageName);
$post->setImage($imageName);
}
$post->setPostedAt(new \DateTime('now'));
$this->em->persist($post);
$this->em->flush();
return $post;
}