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<?php |
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namespace Kami\ApiCoreBundle\RequestProcessor\Step\Common; |
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use Doctrine\ORM\QueryBuilder; |
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use Doctrine\ORM\Tools\Pagination\Paginator; |
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use Kami\ApiCoreBundle\RequestProcessor\Step\AbstractStep; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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/** |
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* Class PaginateStep |
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* @package Kami\ApiCoreBundle\RequestProcessor\Step\Common |
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*/ |
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class PaginateStep extends AbstractStep |
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{ |
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protected $maxPerPage; |
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/** |
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* @param int $maxPerPage |
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*/ |
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public function __construct($maxPerPage) |
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{ |
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$this->maxPerPage = $maxPerPage; |
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} |
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public function execute() |
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{ |
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/** @var QueryBuilder $queryBuilder */ |
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$queryBuilder = $this->getFromResponse('query_builder'); |
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$totalQueryBuilder = clone $queryBuilder; |
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$total = (new Paginator($totalQueryBuilder))->count(); |
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$currentPage = $this->request->query->getInt('page', 1); |
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$totalPages = ceil($total/$this->maxPerPage); |
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if ($currentPage < 1 || $currentPage > $totalPages) { |
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throw new NotFoundHttpException(); |
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} |
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$queryBuilder->setFirstResult($this->maxPerPage*($currentPage - 1)); |
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$queryBuilder->setMaxResults($this->maxPerPage); |
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return $this->createResponse(['response_data' => [ |
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'rows' => $queryBuilder->getQuery()->getArrayResult(), |
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'total' => $total, |
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'current_page' => $currentPage, |
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'total_pages' => $totalPages |
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]]); |
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} |
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public function requiresBefore() |
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{ |
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return [BuildSelectQueryStep::class]; |
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} |
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} |
kamilabs /
api-core-bundle
