TableDataProvider.php

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<?php

declare(strict_types=1);

namespace ILIAS\components\ResourceStorage\Container\DataProvider;

use ILIAS\components\ResourceStorage\Container\View\Request;
use ILIAS\components\ResourceStorage\Container\ContainerResourceManager;
use ILIAS\components\ResourceStorage\Container\Wrapper\Dir;
use ILIAS\components\ResourceStorage\Container\Wrapper\File;

final class TableDataProvider
{
    private \ILIAS\ResourceStorage\Services $irss;

    public function __construct(
        private Request $view_request,
    ) {
        global $DIC;
        $this->irss = $DIC->resourceStorage();
    }

    public function getViewRequest(): Request
    {
        return $this->view_request;
    }

    public function getEntries(): array
    {
        static $entries_at_current_level;
        static $current_level;

        if ($current_level !== $this->view_request->getPath()) {
            unset($entries_at_current_level);
        }
        if (isset($entries_at_current_level)) {
            return $entries_at_current_level;
        }

        $current_level = $this->view_request->getPath();

        $entries_at_current_level = iterator_to_array(
            $this->view_request->getWrapper()->getEntries(
                $current_level
            )
        );

        usort($entries_at_current_level, function (File|Dir $a, File|Dir $b) {
            $size_a = $a instanceof Dir ? 0 : $a->getSize();
            $size_b = $b instanceof Dir ? 0 : $b->getSize();
            $type_a = $a instanceof Dir ? '' : $a->getMimeType();
            $type_b = $b instanceof Dir ? '' : $b->getMimeType();
            switch ($this->view_request->getSortation()) {
                case Request::BY_CREATION_DATE_DESC:
                    return $b->getModificationDate()->getTimestamp() <=> $a->getModificationDate()->getTimestamp();
                case Request::BY_CREATION_DATE_ASC:
                    return $b->getModificationDate()->getTimestamp() <=> $a->getModificationDate()->getTimestamp();
                case Request::BY_SIZE_DESC:
                    return $size_a - $size_b;
                case Request::BY_SIZE_ASC:
                    return $size_b - $size_a;
                case Request::BY_TITLE_DESC:
                    return strcasecmp($b->getTitle(), $a->getTitle());
                case Request::BY_TITLE_ASC:
                    return strcasecmp($a->getTitle(), $b->getTitle());
                case Request::BY_TYPE_DESC:
                    return strcasecmp($type_a, $type_b);
                case Request::BY_TYPE_ASC:
                    return strcasecmp($type_b, $type_a);
                default:
                    return strcasecmp($a->getTitle(), $b->getTitle());
            }
        });

        return $entries_at_current_level;
    }

    public function getTotal(): int
    {
        return count($this->getEntries());
    }
}