ResourceCollectionPaginator.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Filelist\Pagination;
 
use ‪TYPO3\CMS\Core\Pagination\AbstractPaginator;
use ‪TYPO3\CMS\Filelist\Dto\ResourceCollection;
 
final class ‪ResourceCollectionPaginator extends ‪AbstractPaginator
{
    private ‪ResourceCollection ‪$paginatedItems;
 
    public function ‪__construct(
        private readonly ‪ResourceCollection $items,
        int ‪$currentPageNumber = 1,
        int ‪$itemsPerPage = 10
    ) {
        $this->paginatedItems = new ‪ResourceCollection();
        $this->‪setCurrentPageNumber(‪$currentPageNumber);
        $this->‪setItemsPerPage(‪$itemsPerPage);
 
        $this->‪updateInternalState();
    }
 
    public function ‪getPaginatedItems(): ‪ResourceCollection
    {
        return ‪$this->paginatedItems;
    }
 
    protected function ‪updatePaginatedItems(int ‪$itemsPerPage, int $offset): void
    {
        $this->paginatedItems = new ‪ResourceCollection(array_slice($this->items->getResources(), $offset, ‪$itemsPerPage));
    }
 
    protected function ‪getTotalAmountOfItems(): int
    {
        return count($this->items);
    }
 
    protected function ‪getAmountOfItemsOnCurrentPage(): int
    {
        return count($this->paginatedItems);
    }
}