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<?php |
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/* |
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* This file is part of the API Platform project. |
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* |
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* (c) Kévin Dunglas <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace ApiPlatform\Core\Bridge\Doctrine\Orm; |
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use ApiPlatform\Core\DataProvider\PartialPaginatorInterface; |
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use ApiPlatform\Core\Exception\InvalidArgumentException; |
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use Doctrine\ORM\Query; |
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use Doctrine\ORM\Tools\Pagination\Paginator as DoctrinePaginator; |
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abstract class AbstractPaginator implements \IteratorAggregate, PartialPaginatorInterface |
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{ |
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protected $paginator; |
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protected $iterator; |
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protected $firstResult; |
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protected $maxResults; |
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/** |
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* @throws InvalidArgumentException |
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*/ |
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public function __construct(DoctrinePaginator $paginator) |
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{ |
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$query = $paginator->getQuery(); |
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if (null === ($firstResult = $query->getFirstResult()) || null === $maxResults = $query->getMaxResults()) { |
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throw new InvalidArgumentException(sprintf('"%1$s::setFirstResult()" or/and "%1$s::setMaxResults()" was/were not applied to the query.', Query::class)); |
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} |
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$this->paginator = $paginator; |
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$this->firstResult = $firstResult; |
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$this->maxResults = $maxResults; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getCurrentPage(): float |
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{ |
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return floor($this->firstResult / $this->maxResults) + 1.; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getItemsPerPage(): float |
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{ |
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return (float) $this->maxResults; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator(): \Traversable |
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{ |
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return $this->iterator ?? $this->iterator = $this->paginator->getIterator(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count(): int |
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{ |
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return iterator_count($this->getIterator()); |
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} |
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} |
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api-platform /
core
