public function likeAction(Request $request, Application $app)
{
$artist = $request->attributes->get('artist');
$token = $app['security']->getToken();
$user = $token->getUser();
if (!$artist) {
$app->abort(404, 'The requested artist was not found.');
}
if ($user == 'anon.') {
// Only logged-in users can comment.
return;
}
// Don't allow the user to like the artist twice.
$existingLike = $app['repository.like']->findByArtistAndUser($artist->getId(), $user->getId());
if (!$existingLike) {
// Save the individual like record.
$like = new Like();
$like->setArtist($artist);
$like->setUser($user);
$app['repository.like']->save($like);
// Increase the counter on the artist.
$numLikes = $artist->getLikes();
$numLikes++;
$artist->setLikes($numLikes);
$app['repository.artist']->save($artist);
}
return '';
}
/**
* Instantiates a like entity and sets its properties using db data.
*
* @param array $likeData
* The array of db data.
*
* @return \MusicBox\Entity\Like
*/
protected function buildLike($likeData)
{
// Load the related artist and user.
$artist = $this->artistRepository->find($likeData['artist_id']);
$user = $this->userRepository->find($likeData['user_id']);
$like = new Like();
$like->setId($likeData['like_id']);
$like->setArtist($artist);
$like->setUser($user);
$createdAt = new \DateTime('@' . $likeData['created_at']);
$like->setCreatedAt($createdAt);
return $like;
}