class.ilGlobalCacheConfigStoredObjective.php

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<?php

use ILIAS\Setup\Objective;
use ILIAS\Setup\Environment;
use ILIAS\Setup\UnachievableException;

class ilGlobalCacheConfigStoredObjective implements Objective
{
    public function __construct(protected \ilGlobalCacheSettingsAdapter $settings)
    {
    }

    public function getHash(): string
    {
        return hash("sha256", self::class);
    }

    public function getLabel(): string
    {
        return "Store configuration of components/ILIAS/GlobalCache_";
    }

    public function isNotable(): bool
    {
        return false;
    }

    public function getPreconditions(Environment $environment): array
    {
        return [
            new ilIniFilesLoadedObjective()
        ];
    }

    public function achieve(Environment $environment): Environment
    {
        $client_ini = $environment->getResource(Environment::RESOURCE_CLIENT_INI);
        $db = $environment->getResource(Environment::RESOURCE_DATABASE);
        $repo = new ilMemcacheNodesRepository($db);
        $repo->deleteAll();

        $memcached_nodes = $this->settings->getMemcachedNodes();
        foreach ($memcached_nodes as $node) {
            $repo->store($node);
        }

        $return = $this->settings->storeToIniFile($client_ini);

        if (!$client_ini->write() || !$return) {
            throw new UnachievableException("Could not write client.ini.php");
        }

        return $environment;
    }

    public function isApplicable(Environment $environment): bool
    {
        // The effort to check the whole ini file is too big here.
        return true;
    }
}