class.ilUserCertificateZip.php

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<?php
 
declare(strict_types=1);
 
use ILIAS\Filesystem\Exception\IOException;
 
class ilUserCertificateZip
{
    private readonly string $typeInFileName;
    private bool $files_added_to_archive = false;
 
    public function __construct(
        private readonly int $objectId,
        private readonly string $certificatePath,
        private readonly string $webDirectory = CLIENT_WEB_DIR,
        private readonly string $installationId = IL_INST_ID
    ) {
        // The mapping to types is made to reflect the old behaviour of
        // the adapters
        $iliasType = ilObject::_lookupType($this->objectId);
 
        $typeInFileName = 'not_defined';
        if ('crs' === $iliasType) {
            $typeInFileName = 'course';
        } elseif ('tst' === $iliasType) {
            $typeInFileName = 'test';
        } elseif ('exc' === $iliasType) {
            $typeInFileName = 'exc';
        } elseif ('sahs' === $iliasType) {
            $typeInFileName = 'scorm';
        }
 
        $this->typeInFileName = $typeInFileName;
    }
 
    public function createArchiveDirectory(): string
    {
        $type = ilObject::_lookupType($this->objectId);
        $certificateId = $this->objectId;
 
        $directory = $this->webDirectory . $this->certificatePath . time() .
            '__' . $this->installationId . '__' . $type . '__' . $certificateId . '__certificate/';
        ilFileUtils::makeDirParents($directory);
 
        return $directory;
    }
 
    public function addPDFtoArchiveDirectory(string $pdfdata, string $dir, string $filename): void
    {
        $fh = fopen($dir . $filename, 'wb');
        fwrite($fh, $pdfdata);
        fclose($fh);
        $this->files_added_to_archive = true;
    }
 
    public function zipCertificatesInArchiveDirectory(string $dir, bool $deliver = true): string
    {
        if (!$this->files_added_to_archive) {
            throw new IOException('No files added to archive directory');
        }
 
        $zipFile = time(
        ) . '__' . $this->installationId . '__' . $this->typeInFileName . '__' . $this->objectId . '__certificates.zip';
        $zipFilePath = $this->webDirectory . $this->certificatePath . $zipFile;
 
        ilFileUtils::zip($dir, $zipFilePath);
        ilFileUtils::delDir($dir);
 
        if ($deliver) {
            ilFileDelivery::deliverFileLegacy($zipFilePath, $zipFile, 'application/zip', false, true);
        }
 
        return $zipFilePath;
    }
}