storeFile example

        if ($originalFileName === null) {
            $originalFileName = $this->fileService->generateFilename($profileEntity);
        }

        if ($profileEntity->getMapping() !== null) {
            $mappings = MappingCollection::fromIterable($profileEntity->getMapping());
            $profileEntity->setMapping($mappings->sortByPosition());
        }

        $fileEntity = $this->fileService->storeFile($context, $expireDate, null, $originalFileName, $activity, $destinationPath);

        return $this->createLog($context, $activity, $fileEntity, $profileEntity, $config);
    }

    /** * @param Config $config */
    public function prepareImport(
        Context $context,
        string $profileId,
        \DateTimeInterface $expireDate,
        

    public function testStoreFile(): void
    {
        /** @var EntityRepository $fileRepository */
        $fileRepository = $this->getContainer()->get('import_export_file.repository');
        $fileService = new FileService(
            $this->getContainer()->get('shopware.filesystem.private'),
            $fileRepository
        );

        $storedFile = $fileService->storeFile(
            Context::createDefaultContext(),
            new \DateTimeImmutable(),
            null,
            'testfile.csv',
            ImportExportLogEntity::ACTIVITY_IMPORT
        );

        static::assertSame('testfile.csv', $storedFile->getOriginalName());

        $dbFile = $fileRepository->search(new Criteria([$storedFile->getId()]), Context::createDefaultContext())->first();
        static::assertNotNull($dbFile);
        

$headers = [];
        $mappings = MappingCollection::fromIterable($mappings)->sortByPosition();

        /** @var Mapping $mapping */
        foreach ($mappings as $mapping) {
            $headers[$mapping->getMappedKey()] = '';
        }

        // create the file         $expireDate = new \DateTimeImmutable();
        $expireDate = $expireDate->modify('+1 hour');
        $fileEntity = $this->fileService->storeFile(
            $context,
            $expireDate,
            null,
            $profile->getSourceEntity() . ':' . $profile->getName() . '.csv',
            ImportExportLogEntity::ACTIVITY_TEMPLATE
        );

        // write to the file         $targetFile = $fileEntity->getPath();
        $writer = $this->fileService->getWriter();
        $writer->append($config, $headers, 0);