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<?php |
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namespace Kami\ApiCoreBundle\RequestProcessor\Step\Common; |
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use Doctrine\ORM\Query; |
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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\Model\Pageable; |
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use Kami\ApiCoreBundle\Model\PageRequest; |
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use Kami\ApiCoreBundle\RequestProcessor\Step\AbstractStep; |
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use Pagerfanta\Adapter\DoctrineORMAdapter; |
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use Pagerfanta\Pagerfanta; |
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use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; |
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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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protected $perPage; |
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/** |
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* @param int $perPage |
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* @param int $maxPerPage |
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*/ |
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public function __construct($perPage, $maxPerPage) |
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{ |
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$this->perPage = $perPage; |
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$this->maxPerPage = $maxPerPage; |
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} |
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public function execute() |
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{ |
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$perPage = $this->request->query->getInt('per_page', $this->perPage); |
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if ($perPage > $this->maxPerPage) { |
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throw new BadRequestHttpException('Max per page parameter is greater than allowed'); |
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} |
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/** @var QueryBuilder $queryBuilder */ |
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$queryBuilder = $this->getFromResponse('query_builder'); |
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$currentPage = $this->request->query->getInt('page', 1); |
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$paginator = new Pagerfanta(new DoctrineORMAdapter($queryBuilder)); |
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$paginator->setMaxPerPage($perPage); |
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$paginator->setCurrentPage($currentPage); |
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if ($currentPage < 1 || $currentPage > $paginator->getNbPages()) { |
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throw new NotFoundHttpException(); |
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} |
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return $this->createResponse(['response_data' => |
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new Pageable( |
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iterator_to_array($paginator->getIterator()), |
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$paginator->getNbResults(), |
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new PageRequest($currentPage, $paginator->getNbPages()) |
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) |
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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
