ByCreationDate.php

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<?php

declare(strict_types=1);

namespace ILIAS\ResourceStorage\Collection\Sorter;

use ILIAS\ResourceStorage\Identification\ResourceIdentification;

class ByCreationDate extends AbstractBaseSorter implements CollectionSorter
{
    protected function sortResourceIdentification(array $identifications): array
    {
        usort($identifications, function (ResourceIdentification $a, ResourceIdentification $b): int {
            $a_creation_date = $this->resource_builder->get($a)->getCurrentRevision()->getInformation(
            )->getCreationDate();
            $b_creation_date = $this->resource_builder->get($b)->getCurrentRevision()->getInformation(
            )->getCreationDate();
            return $a_creation_date->diff($b_creation_date)->invert;
        });
        return $identifications;
    }
}