Formatter.php

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<?php

declare(strict_types=1);

namespace ILIAS\components\ResourceStorage\Collections\View;

use ILIAS\Data\DataSize;

trait Formatter
{
    protected function formatSize(int $size): string
    {
        $size_factor = 1000;
        $unit = match (true) {
            $size > $size_factor * $size_factor * $size_factor => DataSize::GB,
            $size > $size_factor * $size_factor => DataSize::MB,
            $size > $size_factor => DataSize::KB,
            default => DataSize::Byte,
        };

        $size = (int) (round((float) $size / (float) $unit, 2) * (float) $unit);

        return (string) (new DataSize($size, $unit));
    }
}