class.ilLanguagesInstalledObjective.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 ilLanguagesInstalledObjective extends ilLanguageObjective
{
    protected $il_setup_language;
 
    public function __construct(
        \ilLanguageSetupConfig $config,
        \ilSetupLanguage $il_setup_language
    ) {
        parent::__construct($config);
        $this->il_setup_language = $il_setup_language;
    }
 
    public function getHash() : string
    {
        return hash(
            "sha256",
            self::class . "::" .
            $this->getInstallLanguagesAsString() . "::" .
            $this->getInstallLocalLanguagesAsString()
        );
    }
 
    protected function getInstallLanguagesAsString()
    {
        return implode(", ", $this->config->getInstallLanguages());
    }
 
    protected function getInstallLocalLanguagesAsString()
    {
        return implode(", ", $this->config->getInstallLocalLanguages());
    }
 
    public function getLabel() : string
    {
        return "Install languages " . $this->getInstallLanguagesAsString();
    }
 
    public function isNotable() : bool
    {
        return true;
    }
 
    public function getPreconditions(Setup\Environment $environment) : array
    {
        $db_config = $environment->getConfigFor("database");
        return [
            new ilDatabasePopulatedObjective($db_config)
        ];
    }
 
    public function achieve(Setup\Environment $environment) : Setup\Environment
    {
        $db = $environment->getResource(Setup\Environment::RESOURCE_DATABASE);
 
        // TODO: Remove this once ilSetupLanguage (or a successor) supports proper
        // DI for all methods.
        $GLOBALS["ilDB"] = $db;
 
        $this->il_setup_language->setDbHandler($db);
        $this->il_setup_language->installLanguages(
            $this->config->getInstallLanguages(),
            $this->config->getInstallLocalLanguages()
        );
 
        return $environment;
    }
}