csv export

class ExportCommand extends Command
{
    protected static $defaultName = 'kiora:export';

    private EntityManagerInterface $entityManager;
    private SerializerInterface $serializer;

    public function __construct(EntityManagerInterface $entityManager, SerializerInterface $serializer)
    {
        parent::__construct();
        $this->entityManager = $entityManager;
        $this->serializer = $serializer;
    }

    protected function configure()
    {
        $this->setDescription('Export all data')
            ->addArgument('entity', InputArgument::REQUIRED, 'the full class name')
        ;
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $builder =$this->entityManager->createQueryBuilder();
        $builder->select('entity')
            ->from($input->getArgument('entity'), 'entity')
        ;

        $output->writeln($this->serializer->serialize($builder->getQuery()->getArrayResult(), 'csv'));

        return 0;
    }

}