EC-CUBE / ec-cube

     * @param $productClassId

     * @return \Symfony\Component\HttpFoundation\RedirectResponse|\Symfony\Component\HttpFoundation\Response

     */

    public function up(Application $app, Request $request, $productClassId)

    {

        $this->isTokenValid($app);

        // FRONT_CART_UP_INITIALIZE

        $event = new EventArgs(

            array(

                'productClassId' => $productClassId,

            ),

            $request

        );

        $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_UP_INITIALIZE, $event);

        try {

            log_info('カート加算処理開始', array('product_class_id' => $productClassId));

            $productClassId = $event->getArgument('productClassId');

            $app['eccube.service.cart']->upProductQuantity($productClassId)->save();

            // FRONT_CART_UP_COMPLETE

            $event = new EventArgs(

                array(

                    'productClassId' => $productClassId,

                ),

                $request

            );

            $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_UP_COMPLETE, $event);

            if ($event->hasResponse()) {

                return $event->getResponse();

            }

            log_info('カート加算処理完了', array('product_class_id' => $productClassId));

        } catch (CartException $e) {

            log_info('カート加算エラー', array($e->getMessage()));

            // FRONT_CART_UP_EXCEPTION

            $event = new EventArgs(

                array(

                    'exception' => $e,

                ),

                $request

            );

            $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_UP_EXCEPTION, $event);

            if ($event->hasResponse()) {

                return $event->getResponse();

            }

            $app->addRequestError($e->getMessage());

        }

        return $app->redirect($app->url('cart'));

    }

    /**

     * カートに入っている商品の個数を1減らす.

     * @param $productClassId

     * @return \Symfony\Component\HttpFoundation\RedirectResponse|\Symfony\Component\HttpFoundation\Response

     */

    public function down(Application $app, Request $request, $productClassId)

    {

        $this->isTokenValid($app);

        // FRONT_CART_DOWN_INITIALIZE

        $event = new EventArgs(

            array(

                'productClassId' => $productClassId,

            ),

            $request

        );

        $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_DOWN_INITIALIZE, $event);

        try {

            log_info('カート減算処理開始', array('product_class_id' => $productClassId));

            $productClassId = $event->getArgument('productClassId');

            $app['eccube.service.cart']->downProductQuantity($productClassId)->save();

            // FRONT_CART_UP_COMPLETE

            $event = new EventArgs(

                array(

                    'productClassId' => $productClassId,

                ),

                $request

            );

            $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_DOWN_COMPLETE, $event);

            if ($event->hasResponse()) {

                return $event->getResponse();

            }

            log_info('カート減算処理完了', array('product_class_id' => $productClassId));

        } catch (CartException $e) {

            log_info('カート減算エラー', array($e->getMessage()));

            // FRONT_CART_DOWN_EXCEPTION

            $event = new EventArgs(

                array(

                    'exception' => $e,

                ),

                $request

            );

            $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_DOWN_EXCEPTION, $event);

            if ($event->hasResponse()) {

                return $event->getResponse();

            }

            $app->addRequestError($e->getMessage());

        }

        return $app->redirect($app->url('cart'));

    }

    /**

     * カートに入っている商品を削除する.