EmailAndRedirectService.php

<?php

class EmailAndRedirectService
{
  private $redirection;
  private $emailService;

  function __construct(
    FormEmailService $emailService,
    Redirection $redirection
  ) {
    $this->emailService = $emailService;
    $this->redirection = $redirection;
  }

  public function sendAndRedirect($form)
  {
    if ($form->isNotFilled()) {
      $this->redirection->backToInitialPage();
      return;
    }

    $email = $this->createEmail($form);

    $sendingSucceeded = $this->send($email);

    $this->redirect($sendingSucceeded);
  }

  private function redirect($sendingSucceeded)
  {
    if ($sendingSucceeded) {
      $this->redirection->toSuccessPage();
    } else {
      $this->redirection->toFailPage();
    }
  }

  private function createEmail($form)
  {
    return $this->emailService->composeEmailFrom($form);
  }

  private function send(Email $email)
  {
    return $this->emailService->send($email);
  }
}