/**
* @param Fetchable $fetchable
* @param Fetcher $fetcher
* @throws \Exception
*/
public function __construct(Fetchable $fetchable, Fetcher $fetcher)
{
if ($fetcher->getNbByPage() <= 0) {
throw new \Exception('Fetcher should have a limit of results per page');
}
if ($fetcher->hasSort()) {
throw new \Exception('Sorted fetcher is not supported');
}
$this->fetchable = $fetchable;
$this->fetcher = $fetcher;
$this->fetcher->setPage(1);
$this->fetcher->sortById(Fetcher::SORT_ASC);
}
/**
* @inheritdoc
*/
public function getUniqueByFetcher(Fetcher $fetcher)
{
$fetcher->setPage(1);
$fetcher->setNbByPage(2);
$ids = $this->getIdsByFetcher($fetcher);
if (empty($ids)) {
return null;
}
if (count($ids) === 2) {
throw new NotUniqueResultException();
}
return $this->manager->getById(reset($ids));
}