class.ilDatabaseCreatedObjective.php

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<?php

declare(strict_types=1);

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

class ilDatabaseCreatedObjective extends ilDatabaseObjective
{
    public function getHash(): string
    {
        return hash("sha256", implode("-", [
            self::class,
            $this->config->getHost(),
            $this->config->getPort(),
            $this->config->getDatabase()
        ]));
    }

    public function getLabel(): string
    {
        return "The database is created on the server.";
    }

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

    public function getPreconditions(Environment $environment): array
    {
        return [
            new \ilDatabaseServerIsConnectableObjective($this->config)
        ];
    }

    public function achieve(Environment $environment): Environment
    {
        $c = $this->config;
        $db = \ilDBWrapperFactory::getWrapper($this->config->getType());
        $db->initFromIniFile($c->toMockIniFile());

        if (!$db->createDatabase($c->getDatabase(), "utf8", $c->getCollation())) {
            throw new UnachievableException(
                "Database cannot be created."
            );
        }

        return $environment;
    }

    public function isApplicable(Environment $environment): bool
    {
        $c = $this->config;
        $db = \ilDBWrapperFactory::getWrapper($this->config->getType());
        $db->initFromIniFile($c->toMockIniFile());

        $connect = $db->connect(true);
        return !$connect;
    }
}