/**
  * Disables a currency.
  *
  * @param \Drupal\currency\Entity\CurrencyInterface $currency
  *
  * @return \Symfony\Component\HttpFoundation\RedirectResponse
  */
 public function execute(CurrencyInterface $currency)
 {
     $currency->disable();
     $currency->save();
     return new RedirectResponse($this->urlGenerator->generateFromRoute('entity.currency.collection', array('absolute' => TRUE)));
 }