saveDataAction

public function saveDataAction(\MyVendor\Requestform\Domain\Model\Request $request)
    {
        $settings = $this->settings;
        $args = $this->request->getArguments();
        $redirectUri = $this->controllerContext->getUriBuilder()->reset()->setTargetPageUid($settings['thankyouPage'])->build();
        $step_nr = 0;
        // get uploaded files and assign them to the request
        $files = $this->saveFiles($args, $settings);
        $request->setFile($files);
        $this->persistenceManager->persistAll();
        $this->requestRepository->add($request);
        // variables that are needed in the mail template
        $answers = new \TYPO3\CMS\Extbase\Persistence\ObjectStorage();
        // save answers from all fields
        foreach ($args['tx_requestform_requestform']['steps'] as $k => $step_fields) {
            if ($step_nr > 0) {
                foreach ($step_fields as $field_uid => $field_value) {
                    if ($field_uid != 'old_page') {
                        $answer = new \MyVendor\Requestform\Domain\Model\Answer();
                        $answer->setField($this->formFieldsRepository->findByUid($field_uid));
                        $answer->setRequest($request);
                        $answer->setValue($field_value);
                        $this->answerRepository->add($answer);
                        $answers->attach($answer);
                    }
                }
            }
            $step_nr++;
        }
        // send mail with the data from the new request
        $this->sendMail($request, $answers, $files, $settings, $args);
        // redirect to "thank you" page
        $this->redirectToUri($redirectUri);
}