Subversion-Projekte lars-tiefland.laravel_shop

<?php

namespace League\Flysystem\UrlGeneration;

use InvalidArgumentException;

use League\Flysystem\Config;

use League\Flysystem\PathPrefixer;

use function array_map;

use function count;

use function crc32;

final class ShardedPrefixPublicUrlGenerator implements PublicUrlGenerator

{

    /** @var PathPrefixer[] */

    private array $prefixes;

    private int $count;

    /**

     * @param string[] $prefixes

     */

    public function __construct(array $prefixes)

    {

        $this->count = count($prefixes);

        if ($this->count === 0) {

            throw new InvalidArgumentException('At least one prefix is required.');

        }

        $this->prefixes = array_map(static fn (string $prefix) => new PathPrefixer($prefix, '/'), $prefixes);

    }

    public function publicUrl(string $path, Config $config): string

    {

        $index = abs(crc32($path)) % $this->count;

        return $this->prefixes[$index]->prefixPath($path);

    }

}