icingaweb2/modules/setup/library/Setup/Requirement/WebLibraryRequirement.php

<?php

// SPDX-FileCopyrightText: 2021 Icinga GmbH <https://icinga.com>
// SPDX-License-Identifier: GPL-3.0-or-later

namespace Icinga\Module\Setup\Requirement;

use Icinga\Application\Icinga;
use Icinga\Module\Setup\Requirement;

class WebLibraryRequirement extends Requirement
{
    protected function evaluate()
    {
        list($name, $op, $version) = $this->getCondition();

        $libs = Icinga::app()->getLibraries();
        if (! $libs->has($name)) {
            $this->setStateText(sprintf(mt('setup', '%s is not installed'), $this->getAlias()));
            return false;
        }

        $this->setStateText(sprintf(mt('setup', '%s version: %s'), $this->getAlias(), $libs->get($name)->getVersion()));
        return $libs->has($name, $op . $version);
    }
}