/
Paginator.php
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/
Paginator.php
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<?php
/*
* This file is part of the API Platform project.
*
* (c) Kévin Dunglas <dunglas@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ApiPlatform\Core\Bridge\Doctrine\Orm;
use ApiPlatform\Core\DataProvider\PaginatorInterface;
use Doctrine\ORM\Tools\Pagination\Paginator as DoctrineOrmPaginator;
/**
* Decorates the Doctrine ORM paginator.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
final class Paginator implements \IteratorAggregate, PaginatorInterface
{
private $paginator;
/**
* @var int
*/
private $firstResult;
/**
* @var int
*/
private $maxResults;
/**
* @var int
*/
private $totalItems;
/**
* @var \Traversable
*/
private $iterator;
public function __construct(DoctrineOrmPaginator $paginator)
{
$this->paginator = $paginator;
$query = $paginator->getQuery();
$this->firstResult = $query->getFirstResult();
$this->maxResults = $query->getMaxResults();
$this->totalItems = count($paginator);
}
/**
* {@inheritdoc}
*/
public function getCurrentPage() : float
{
return floor($this->firstResult / $this->maxResults) + 1.;
}
/**
* {@inheritdoc}
*/
public function getLastPage() : float
{
return ceil($this->totalItems / $this->maxResults) ?: 1.;
}
/**
* {@inheritdoc}
*/
public function getItemsPerPage() : float
{
return (float) $this->maxResults;
}
/**
* {@inheritdoc}
*/
public function getTotalItems() : float
{
return (float) $this->totalItems;
}
/**
* {@inheritdoc}
*/
public function getIterator()
{
if (null === $this->iterator) {
$this->iterator = $this->paginator->getIterator();
}
return $this->iterator;
}
/**
* {@inheritdoc}
*/
public function count()
{
return count($this->getIterator());
}
}