Eccube\Controller\Admin\Setting\Shop\TaxRuleController::index PHP Method

    public function index(Application $app, Request $request, $id = null)
    {
        $TargetTaxRule = null;
        if ($id == null) {
            $TargetTaxRule = $app['eccube.repository.tax_rule']->newTaxRule();
        } else {
            $TargetTaxRule = $app['eccube.repository.tax_rule']->find($id);
            if (is_null($TargetTaxRule)) {
                throw new NotFoundHttpException();
            }
        }
        /** @var  $BaseInfo \Eccube\Entity\BaseInfo */
        $BaseInfo = $app['eccube.repository.base_info']->get();
        $builder = $app['form.factory']->createBuilder('tax_rule', $TargetTaxRule);
        $builder->get('option_product_tax_rule')->setData($BaseInfo->getOptionProductTaxRule());
        if ($TargetTaxRule->isDefaultTaxRule()) {
            // 基本税率設定は適用日時の変更は行わない
            $builder = $builder->remove('apply_date');
        }
        $event = new EventArgs(array('builder' => $builder, 'BaseInfo' => $BaseInfo, 'TargetTaxRule' => $TargetTaxRule), $request);
        $app['eccube.event.dispatcher']->dispatch(EccubeEvents::ADMIN_SETTING_SHOP_TAX_RULE_INDEX_INITIALIZE, $event);
        /* @var $form \Symfony\Component\Form\FormInterface */
        $form = $builder->getForm();
        if ('POST' === $request->getMethod()) {
            $form->handleRequest($request);
            if ($this->isValid($app['orm.em'], $form)) {
                $app['orm.em']->persist($TargetTaxRule);
                $app['orm.em']->flush();
                $event = new EventArgs(array('form' => $form, 'BaseInfo' => $BaseInfo, 'TargetTaxRule' => $TargetTaxRule), $request);
                $app['eccube.event.dispatcher']->dispatch(EccubeEvents::ADMIN_SETTING_SHOP_TAX_RULE_INDEX_COMPLETE, $event);
                $app->addSuccess('admin.shop.tax.save.complete', 'admin');
                return $app->redirect($app->url('admin_setting_shop_tax'));
            }
        }
        // 共通税率一覧
        $TaxRules = $app['eccube.repository.tax_rule']->getList();
        return $app->render('Setting/Shop/tax_rule.twig', array('TargetTaxRule' => $TargetTaxRule, 'TaxRules' => $TaxRules, 'form' => $form->createView()));
    }