ResponseBuilderFactory.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\FileDelivery\Delivery\ResponseBuilder;
 
use ILIAS\FileDelivery\Setup\DeliveryMethodObjective;
 
final class ResponseBuilderFactory
{
    public static function fromArtefact(?string $path = null): ResponseBuilder
    {
        $path ??= DeliveryMethodObjective::PATH();
        if (!is_file($path)) {
            return new PHPResponseBuilder();
        }
 
        $settings = @include $path;
 
        return self::fromArray(is_array($settings) ? $settings : []);
    }
 
    public static function fromArray(array $settings): ResponseBuilder
    {
        return match ($settings[DeliveryMethodObjective::SETTINGS] ?? null) {
            DeliveryMethodObjective::XACCEL => self::xAccel($settings),
            DeliveryMethodObjective::XSENDFILE => new XSendFileResponseBuilder(),
            default => new PHPResponseBuilder(),
        };
    }
 
    private static function xAccel(array $settings): ResponseBuilder
    {
        $external_data_dir = $settings[DeliveryMethodObjective::SETTINGS_EXTERNAL_DATA_DIR] ?? null;
 
        if (!is_string($external_data_dir) || $external_data_dir === '') {
            return new PHPResponseBuilder();
        }
 
        return new XAccelResponseBuilder($external_data_dir);
    }
}