Sulu\Bundle\MediaBundle\Controller\CollectionController::cgetAction PHP Method

    public function cgetAction(Request $request)
    {
        try {
            /** @var ListRestHelperInterface $listRestHelper */
            $listRestHelper = $this->get('sulu_core.list_rest_helper');
            $securityChecker = $this->get('sulu_security.security_checker');
            $flat = $this->getBooleanRequestParameter($request, 'flat', false);
            $depth = $request->get('depth', 0);
            $limit = $request->get('limit', null);
            $offset = $this->getOffset($request, $limit);
            $search = $listRestHelper->getSearchPattern();
            $sortBy = $request->get('sortBy');
            $sortOrder = $request->get('sortOrder', 'ASC');
            $collectionManager = $this->getCollectionManager();
            if ($flat) {
                $collections = $collectionManager->get($this->getRequestParameter($request, 'locale', true), ['depth' => $depth], $limit, $offset, $sortBy !== null ? [$sortBy => $sortOrder] : []);
            } else {
                $collections = $collectionManager->getTree($this->getRequestParameter($request, 'locale', true), $offset, $limit, $search, $depth, $sortBy !== null ? [$sortBy => $sortOrder] : [], $securityChecker->hasPermission('sulu.media.system_collections', 'view'));
            }
            if ($this->getBooleanRequestParameter($request, 'include-root', false, false)) {
                $collections = [new RootCollection($collections)];
            }
            $all = $collectionManager->getCount();
            $list = new ListRepresentation($collections, self::$entityKey, 'get_collections', $request->query->all(), $listRestHelper->getPage(), $listRestHelper->getLimit(), $all);
            $view = $this->view($list, 200);
        } catch (CollectionNotFoundException $cnf) {
            $view = $this->view($cnf->toArray(), 404);
        } catch (MediaException $me) {
            $view = $this->view($me->toArray(), 400);
        }
        return $this->handleView($view);
    }