Eccube\Controller\Admin\Product\ProductController::copy PHP Method

    public function copy(Application $app, Request $request, $id = null)
    {
        $this->isTokenValid($app);
        if (!is_null($id)) {
            $Product = $app['eccube.repository.product']->find($id);
            if ($Product instanceof \Eccube\Entity\Product) {
                $CopyProduct = clone $Product;
                $CopyProduct->copy();
                $Disp = $app['eccube.repository.master.disp']->find(\Eccube\Entity\Master\Disp::DISPLAY_HIDE);
                $CopyProduct->setStatus($Disp);
                $CopyProductCategories = $CopyProduct->getProductCategories();
                foreach ($CopyProductCategories as $Category) {
                    $app['orm.em']->persist($Category);
                }
                // 規格あり商品の場合は, デフォルトの商品規格を取得し登録する.
                if ($CopyProduct->hasProductClass()) {
                    $softDeleteFilter = $app['orm.em']->getFilters()->getFilter('soft_delete');
                    $softDeleteFilter->setExcludes(array('Eccube\\Entity\\ProductClass'));
                    $dummyClass = $app['eccube.repository.product_class']->findOneBy(array('del_flg' => \Eccube\Common\Constant::ENABLED, 'ClassCategory1' => null, 'ClassCategory2' => null, 'Product' => $Product));
                    $dummyClass = clone $dummyClass;
                    $dummyClass->setProduct($CopyProduct);
                    $CopyProduct->addProductClass($dummyClass);
                    $softDeleteFilter->setExcludes(array());
                }
                $CopyProductClasses = $CopyProduct->getProductClasses();
                foreach ($CopyProductClasses as $Class) {
                    $Stock = $Class->getProductStock();
                    $CopyStock = clone $Stock;
                    $CopyStock->setProductClass($Class);
                    $app['orm.em']->persist($CopyStock);
                    $app['orm.em']->persist($Class);
                }
                $Images = $CopyProduct->getProductImage();
                foreach ($Images as $Image) {
                    // 画像ファイルを新規作成
                    $extension = pathinfo($Image->getFileName(), PATHINFO_EXTENSION);
                    $filename = date('mdHis') . uniqid('_') . '.' . $extension;
                    try {
                        $fs = new Filesystem();
                        $fs->copy($app['config']['image_save_realdir'] . '/' . $Image->getFileName(), $app['config']['image_save_realdir'] . '/' . $filename);
                    } catch (\Exception $e) {
                        // エラーが発生しても無視する
                    }
                    $Image->setFileName($filename);
                    $app['orm.em']->persist($Image);
                }
                $Tags = $CopyProduct->getProductTag();
                foreach ($Tags as $Tag) {
                    $app['orm.em']->persist($Tag);
                }
                $app['orm.em']->persist($CopyProduct);
                $app['orm.em']->flush();
                $event = new EventArgs(array('Product' => $Product, 'CopyProduct' => $CopyProduct, 'CopyProductCategories' => $CopyProductCategories, 'CopyProductClasses' => $CopyProductClasses, 'images' => $Images, 'Tags' => $Tags), $request);
                $app['eccube.event.dispatcher']->dispatch(EccubeEvents::ADMIN_PRODUCT_COPY_COMPLETE, $event);
                $app->addSuccess('admin.product.copy.complete', 'admin');
                return $app->redirect($app->url('admin_product_product_edit', array('id' => $CopyProduct->getId())));
            } else {
                $app->addError('admin.product.copy.failed', 'admin');
            }
        } else {
            $app->addError('admin.product.copy.failed', 'admin');
        }
        return $app->redirect($app->url('admin_product'));
    }