Ojs\ApiBundle\Controller\Admin\AnnouncementRestController::patchAnnouncementAction PHP Method

    public function patchAnnouncementAction(Request $request, $id)
    {
        try {
            $entity = $this->container->get('ojs_api.announcement.handler')->patch($this->getOr404($id), $request->request->all());
            if (!$this->isGranted('EDIT', $entity)) {
                throw new AccessDeniedException();
            }
            $routeOptions = array('id' => $entity->getId(), '_format' => $request->get('_format'));
            return $this->routeRedirectView('api_1_get_announcement', $routeOptions, Codes::HTTP_NO_CONTENT);
        } catch (InvalidFormException $exception) {
            return $exception->getForm();
        }
    }