/**
  * @param Portfolio $portfolio
  *
  * @return bool True on successfull processing, false otherwise
  */
 public function handleGuides(Portfolio $portfolio)
 {
     $originalPortfolioGuides = $portfolio->getPortfolioGuides();
     $form = $this->getGuidesForm($portfolio);
     $request = $this->requestStack->getCurrentRequest();
     if ($request->isMethod('POST')) {
         $form->submit($request);
         if ($form->isValid()) {
             $this->portfolioManager->updateGuides($portfolio, $originalPortfolioGuides);
             return true;
         }
     }
     return false;
 }