//user was not provided, return an error
return;
}
$userId = intval($userId);
if ($api->requesterId !== $userId) {
$api->output(403, 'Playlist can be updated by its owner only');
//indicate the requester is not the playlist owner and is not allowed to update it
return;
}
if (!$api->checkParameterExists('sequence', $sequence)) {
$api->output(400, 'Track sequence must be provided');
//$sequence was not provided, return an error
return;
}
$playlistItem = new PlaylistItem($userId, $sequence, null);
if (!$playlistItem->delete()) {
$api->output(404, 'No such track in playlist');
//something happened during track deletion (probably sequence was not existing), return not found error
return;
}
$api->output(204, null);
break;
case 'PUT':
if (!$api->checkAuth()) {
//User not authentified/authorized
return false;
}
if (!$api->checkParameterExists('userId', $userId)) {
$api->output(400, 'User identifier not provided');
//user was not provided, return an error
return;
