class.ilUserCertificateApiGUI.php

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<?php
 
declare(strict_types=1);
 
use Psr\Http\Message\ServerRequestInterface;
 
class ilUserCertificateApiGUI
{
    final public const string CMD_DOWNLOAD = 'download';
 
    private readonly ilLogger $logger;
    private readonly ServerRequestInterface $request;
    private readonly ilLanguage $language;
    private readonly ilCtrlInterface $ctrl;
 
    public function __construct(
        ?ilLanguage $language = null,
        ?ServerRequestInterface $request = null,
        ?ilLogger $logger = null,
        ?ilCtrlInterface $ctrl = null
    ) {
        global $DIC;
 
        $this->language = $language ?? $DIC->language();
        $this->request = $request ?? $DIC->http()->request();
        $this->logger = $logger ?? $DIC->logger()->cert();
        $this->ctrl = $ctrl ?? $DIC->ctrl();
 
        $this->language->loadLanguageModule('cert');
    }
 
    public function executeCommand(): void
    {
        $cmd = $this->ctrl->getCmd();
 
        switch ($cmd) {
            case self::CMD_DOWNLOAD:
                $this->{$cmd}();
                break;
 
            default:
                break;
        }
    }
 
    public function download(): void
    {
        $repo = new ilUserCertificateRepository(null, $this->logger);
 
        $certificate_id = (int) $this->request->getQueryParams()['certificate_id'];
 
        $certificate = $repo->fetchCertificate($certificate_id);
 
        $action = (new ilCertificatePdfAction(
            (new ilPdfGenerator($repo))->withLogger($this->logger),
            new ilCertificateUtilHelper(),
            $this->language->txt('error_creating_certificate_pdf')
        ))->withLogger($this->logger);
        $action->downloadPdf(
            $certificate->getUserId(),
            $certificate->getObjId()
        );
    }
}