/**
  * PUT /api/v1/currencies/%id
  * Update currency data
  *
  * @param Api_Dto_Currency $dto
  * @return Api_Controller_Response_Result
  * @throws Api_Exception_NotFound
  */
 public function putAction(Api_Dto_Currency $dto)
 {
     $currency = $this->_service->findById($this->_request->getId());
     if (!$currency) {
         throw new Api_Exception_NotFound();
     }
     $currency = $this->_service->update($currency, $dto);
     return $this->_createResult([$currency], $this->_createMeta(1));
 }