class.ilDefaultLanguageSetObjective.php

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<?php
 
/* Copyright (c) 2019 Richard Klees <richard.klees@concepts-and-training.de> Extended GPL, see docs/LICENSE */
 
use ILIAS\Setup;
 
class ilDefaultLanguageSetObjective extends ilLanguageObjective
{
    public function getHash() : string
    {
        return hash(
            "sha256",
            self::class . "::" .
            $this->config->getDefaultLanguage()
        );
    }
 
    public function getLabel() : string
    {
        return "Set default language to " . $this->config->getDefaultLanguage();
    }
 
    public function isNotable() : bool
    {
        return true;
    }
 
    public function getPreconditions(Setup\Environment $environment) : array
    {
        $common_config = $environment->getConfigFor("common");
        return [
            new \ilIniFilesPopulatedObjective($common_config),
            new \ilSettingsFactoryExistsObjective()
        ];
    }
 
    public function achieve(Setup\Environment $environment) : Setup\Environment
    {
        $factory = $environment->getResource(Setup\Environment::RESOURCE_SETTINGS_FACTORY);
 
        $settings = $factory->settingsFor("common");
        $settings->set("language", $this->config->getDefaultLanguage());
 
        $client_ini = $environment->getResource(Setup\Environment::RESOURCE_CLIENT_INI);
        $client_ini->setVariable("language", "default", $this->config->getDefaultLanguage());
 
        if (!$client_ini->write()) {
            throw new Setup\UnachievableException("Could not write client.ini.php");
        }
 
        return $environment;
    }
}