UploadLimitResolver.php

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<?php

declare(strict_types=1);

namespace ILIAS\UI\Implementation\Component\Input;

use ILIAS\UI\Component\Input\Field\UploadHandler;

class UploadLimitResolver
{
    public function __construct(
        protected int $php_upload_limit_in_bytes,
        protected ?int $custom_global_upload_limit_in_bytes = null
    ) {
    }

    public function getBestPossibleUploadLimitInBytes(
        UploadHandler $upload_handler,
        int $local_limit_in_bytes = null
    ): int {
        if (null !== $local_limit_in_bytes && $this->canUploadLimitBeUsed($upload_handler, $local_limit_in_bytes)) {
            return $local_limit_in_bytes;
        }

        if (null !== $this->custom_global_upload_limit_in_bytes &&
            $this->canUploadLimitBeUsed($upload_handler, $this->custom_global_upload_limit_in_bytes)
        ) {
            return $this->custom_global_upload_limit_in_bytes;
        }

        return $this->php_upload_limit_in_bytes;
    }

    public function getPhpUploadLimitInBytes(): int
    {
        return $this->php_upload_limit_in_bytes;
    }

    protected function canUploadLimitBeUsed(UploadHandler $upload_handler, ?int $limit_in_bytes): bool
    {
        if ($upload_handler->supportsChunkedUploads()) {
            return true;
        }

        return $limit_in_bytes <= $this->php_upload_limit_in_bytes;
    }
}