class.ilPreviewConfigStoredObjective.php

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<?php
 
use ILIAS\Setup;
 
class ilPreviewConfigStoredObjective implements Setup\Objective
{
    protected \ilPreviewSetupConfig $config;
 
    public function __construct(
        \ilPreviewSetupConfig $config
    ) {
        $this->config = $config;
    }
 
    public function getHash(): string
    {
        return hash("sha256", self::class);
    }
 
    public function getLabel(): string
    {
        return "Store configuration of Services/Preview";
    }
 
    public function isNotable(): bool
    {
        return false;
    }
 
    public function getPreconditions(Setup\Environment $environment): array
    {
        return [
            new ilIniFilesLoadedObjective()
        ];
    }
 
    public function achieve(Setup\Environment $environment): Setup\Environment
    {
        $ini = $environment->getResource(Setup\Environment::RESOURCE_ILIAS_INI);
 
        $ini->setVariable(
            "tools",
            "ghostscript",
            $this->config->getPathToGhostscript() ?? ''
        );
 
        if (!$ini->write()) {
            throw new Setup\UnachievableException("Could not write ilias.ini.php");
        }
 
        return $environment;
    }
 
    public function isApplicable(Setup\Environment $environment): bool
    {
        $ini = $environment->getResource(Setup\Environment::RESOURCE_ILIAS_INI);
 
        return $ini->readVariable("tools", "ghostscript") !== $this->config->getPathToGhostscript();
    }
}