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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\DataProvider; |
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/** |
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* Paginator for arrays. |
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* |
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* @author Alan Poulain <[email protected]> |
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*/ |
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final class ArrayPaginator implements \IteratorAggregate, PaginatorInterface |
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{ |
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private $iterator; |
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private $firstResult; |
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private $maxResults; |
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private $totalItems; |
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public function __construct(array $results, int $firstResult, int $maxResults) |
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{ |
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if ($maxResults > 0) { |
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$this->iterator = new \LimitIterator(new \ArrayIterator($results), $firstResult, $maxResults); |
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} else { |
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$this->iterator = new \EmptyIterator(); |
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} |
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$this->firstResult = $firstResult; |
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$this->maxResults = $maxResults; |
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$this->totalItems = \count($results); |
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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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if (0 >= $this->maxResults) { |
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return 1.; |
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} |
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return floor($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 getLastPage(): float |
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{ |
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if (0 >= $this->maxResults) { |
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return 1.; |
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} |
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return ceil($this->totalItems / $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 getTotalItems(): float |
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{ |
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return (float) $this->totalItems; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count(): int |
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{ |
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return iterator_count($this->iterator); |
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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; |
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} |
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} |
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