Eccube\Controller\Admin\Product\ProductController::index PHP Метод

    public function index(Application $app, Request $request, $page_no = null)
    {
        $session = $app['session'];
        $builder = $app['form.factory']->createBuilder('admin_search_product');
        $event = new EventArgs(array('builder' => $builder), $request);
        $app['eccube.event.dispatcher']->dispatch(EccubeEvents::ADMIN_PRODUCT_INDEX_INITIALIZE, $event);
        $searchForm = $builder->getForm();
        $pagination = array();
        $disps = $app['eccube.repository.master.disp']->findAll();
        $pageMaxis = $app['eccube.repository.master.page_max']->findAll();
        $page_count = $app['config']['default_page_count'];
        $page_status = null;
        $active = false;
        if ('POST' === $request->getMethod()) {
            $searchForm->handleRequest($request);
            if ($searchForm->isValid()) {
                $searchData = $searchForm->getData();
                // paginator
                $qb = $app['eccube.repository.product']->getQueryBuilderBySearchDataForAdmin($searchData);
                $page_no = 1;
                $event = new EventArgs(array('qb' => $qb, 'searchData' => $searchData), $request);
                $app['eccube.event.dispatcher']->dispatch(EccubeEvents::ADMIN_PRODUCT_INDEX_SEARCH, $event);
                $searchData = $event->getArgument('searchData');
                $pagination = $app['paginator']()->paginate($qb, $page_no, $page_count, array('wrap-queries' => true));
                // sessionのデータ保持
                $session->set('eccube.admin.product.search', $searchData);
                $session->set('eccube.admin.product.search.page_no', $page_no);
            }
        } else {
            if (is_null($page_no) && $request->get('resume') != Constant::ENABLED) {
                // sessionを削除
                $session->remove('eccube.admin.product.search');
                $session->remove('eccube.admin.product.search.page_no');
            } else {
                // pagingなどの処理
                $searchData = $session->get('eccube.admin.product.search');
                if (is_null($page_no)) {
                    $page_no = intval($session->get('eccube.admin.product.search.page_no'));
                } else {
                    $session->set('eccube.admin.product.search.page_no', $page_no);
                }
                if (!is_null($searchData)) {
                    // 公開ステータス
                    $status = $request->get('status');
                    if (!empty($status)) {
                        if ($status != $app['config']['admin_product_stock_status']) {
                            $searchData['link_status'] = $app['eccube.repository.master.disp']->find($status);
                            $searchData['status'] = null;
                            $session->set('eccube.admin.product.search', $searchData);
                        } else {
                            $searchData['stock_status'] = Constant::DISABLED;
                        }
                        $page_status = $status;
                    } else {
                        $searchData['link_status'] = null;
                        $searchData['stock_status'] = null;
                    }
                    // 表示件数
                    $pcount = $request->get('page_count');
                    $page_count = empty($pcount) ? $page_count : $pcount;
                    $qb = $app['eccube.repository.product']->getQueryBuilderBySearchDataForAdmin($searchData);
                    $event = new EventArgs(array('qb' => $qb, 'searchData' => $searchData), $request);
                    $app['eccube.event.dispatcher']->dispatch(EccubeEvents::ADMIN_PRODUCT_INDEX_SEARCH, $event);
                    $searchData = $event->getArgument('searchData');
                    $pagination = $app['paginator']()->paginate($qb, $page_no, $page_count, array('wrap-queries' => true));
                    // セッションから検索条件を復元(カテゴリ)
                    if (!empty($searchData['category_id'])) {
                        $searchData['category_id'] = $app['eccube.repository.category']->find($searchData['category_id']);
                    }
                    // セッションから検索条件を復元(スーテタス)
                    if (count($searchData['status']) > 0) {
                        $status_ids = array();
                        foreach ($searchData['status'] as $Status) {
                            $status_ids[] = $Status->getId();
                        }
                        $searchData['status'] = $app['eccube.repository.master.disp']->findBy(array('id' => $status_ids));
                    }
                    $searchForm->setData($searchData);
                }
            }
        }
        return $app->render('Product/index.twig', array('searchForm' => $searchForm->createView(), 'pagination' => $pagination, 'disps' => $disps, 'pageMaxis' => $pageMaxis, 'page_no' => $page_no, 'page_status' => $page_status, 'page_count' => $page_count, 'active' => $active));
    }