Kunstmaan / KunstmaanBundlesCMS

     */

    protected function interact(InputInterface $input, OutputInterface $output)

    {

        if (!$input->getArgument('username')) {

            $question = New Question('Please choose a username:');

            $question->setValidator(function ($username) {

                if (null === $username) {

                    throw new \InvalidArgumentException('Username can not be empty');

                }

                return $username;

            });

            $username = $this->getHelper('question')->ask(

                $input,

                $output,

                $question

            );

            $input->setArgument('username', $username);

        }

        if (!$input->getArgument('email')) {

            $question = New Question('Please choose an email:');

            $input->setArgument('username', $username);

        }

        if (!$input->getArgument('email')) {

            $question = New Question('Please choose an email:');

            $question->setValidator(function ($email) {

                if (null === $email) {

                    throw new \InvalidArgumentException('Email can not be empty');

                }

                return $email;

            });

            $email = $this->getHelper('question')->ask(

                $input,

                $output,

                $question

            );

            $input->setArgument('email', $email);

        }

        if (!$input->getArgument('password')) {