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<?php |
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declare(strict_types=1); |
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namespace Bone\BoneDoctrine\Middleware; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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abstract class CollectionPaginator implements MiddlewareInterface |
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{ |
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public function __construct( |
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private EntityManagerInterface $entityManager, |
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) {} |
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abstract public function getEntityClass(): string; |
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abstract public function getWhereCriteria(): array; |
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abstract public function getOrderByCriteria(): array; |
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abstract public function getRequestAttributeName(): string; |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$params = $request->getQueryParams(); |
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$page = isset($params['page']) ? (int) $params['page'] : 1; |
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$limit = isset($params['limit']) ? (int) $params['limit'] : 25; |
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$offset = ($page * $limit) - $limit; |
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$entityClass = $this->getEntityClass(); |
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$whereCriteria = $this->getWhereCriteria(); |
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$orderByCriteria = $this->getWhereCriteria(); |
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$requestAttributeName = $this->getRequestAttributeName(); |
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$entities = $this->entityManager->getRepository($entityClass)->findBy($whereCriteria, $orderByCriteria, $limit, $offset); |
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$request = $request->withAttribute($requestAttributeName, $entities); |
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$request = $request->withAttribute('page', $page); |
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$request = $request->withAttribute('totalPages', $page); |
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$request = $request->withAttribute('totalRecords', $page); |
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return $handler->handle($request); |
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} |
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} |
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delboy1978uk /
bone-doctrine
