/**
  * @param Action\Context $context
  * @param \Magento\Catalog\Helper\Product $productHelper
  * @param \Magento\Framework\Escaper $escaper
  * @param PageFactory $resultPageFactory
  * @param ForwardFactory $resultForwardFactory
  */
 public function __construct(Action\Context $context, \Magento\Catalog\Helper\Product $productHelper, \Magento\Framework\Escaper $escaper, PageFactory $resultPageFactory, ForwardFactory $resultForwardFactory)
 {
     parent::__construct($context);
     $productHelper->setSkipSaleableCheck(true);
     $this->escaper = $escaper;
     $this->resultPageFactory = $resultPageFactory;
     $this->resultForwardFactory = $resultForwardFactory;
 }

 /**
  * Set current attribute to entry (for specified product)
  *
  * @param \Magento\Catalog\Model\Product $product
  * @param \Magento\Framework\Gdata\Gshopping\Entry $entry
  * @return \Magento\Framework\Gdata\Gshopping\Entry
  */
 public function convertAttribute($product, $entry)
 {
     $url = $this->_catalogProduct->getImageUrl($product);
     if ($product->getImage() && $product->getImage() != 'no_selection' && $url) {
         $this->_setAttribute($entry, 'image_link', self::ATTRIBUTE_TYPE_URL, $url);
     }
     return $entry;
 }

 /**
  * @param \Magento\Framework\Data\Form\Element\Factory $factoryElement
  * @param \Magento\Framework\Data\Form\Element\CollectionFactory $factoryCollection
  * @param \Magento\Framework\Escaper $escaper
  * @param \Magento\Catalog\Helper\Product $helper
  * @param array $data
  */
 public function __construct(\Magento\Framework\Data\Form\Element\Factory $factoryElement, \Magento\Framework\Data\Form\Element\CollectionFactory $factoryCollection, \Magento\Framework\Escaper $escaper, \Magento\Catalog\Helper\Product $helper, array $data = [])
 {
     $this->_helper = $helper;
     $this->_virtual = $factoryElement->create('checkbox');
     $this->_virtual->setId(self::VIRTUAL_FIELD_HTML_ID)->setName('is_virtual')->setLabel($this->_helper->getTypeSwitcherControlLabel());
     $data['class'] = 'validate-number validate-zero-or-greater validate-number-range number-range-0-99999999.9999';
     parent::__construct($factoryElement, $factoryCollection, $escaper, $data);
 }

 /**
  * @return array
  */
 public function getOptions()
 {
     if (!$this->options) {
         $product = $this->getProduct();
         $typeInstance = $product->getTypeInstance();
         $typeInstance->setStoreFilter($product->getStoreId(), $product);
         $optionCollection = $typeInstance->getOptionsCollection($product);
         $selectionCollection = $typeInstance->getSelectionsCollection($typeInstance->getOptionsIds($product), $product);
         $this->options = $optionCollection->appendSelections($selectionCollection, false, $this->catalogProduct->getSkipSaleableCheck());
     }
     return $this->options;
 }

 /**
  * Retrieve Visitor/Customer Last Viewed URL
  *
  * @return string
  */
 public function getLastViewedUrl()
 {
     $productId = $this->_catalogSession->getLastViewedProductId();
     if ($productId) {
         try {
             $product = $this->productRepository->getById($productId);
         } catch (NoSuchEntityException $e) {
             return '';
         }
         /* @var $product \Magento\Catalog\Model\Product */
         if ($this->_catalogProduct->canShow($product, 'catalog')) {
             return $product->getProductUrl();
         }
     }
     $categoryId = $this->_catalogSession->getLastViewedCategoryId();
     if ($categoryId) {
         try {
             $category = $this->categoryRepository->get($categoryId);
         } catch (NoSuchEntityException $e) {
             return '';
         }
         /* @var $category \Magento\Catalog\Model\Category */
         if (!$this->_catalogCategory->canShow($category)) {
             return '';
         }
         return $category->getCategoryUrl();
     }
     return '';
 }

 /**
  * Prepares and render result of composite product configuration request
  *
  * The $configureResult variable holds either:
  *  - 'ok' = true, and 'product_id', 'buy_request', 'current_store_id', 'current_customer_id'
  *  - 'error' = true, and 'message' to show
  *
  * @param \Magento\Framework\DataObject $configureResult
  * @return \Magento\Framework\View\Result\Layout
  */
 public function renderConfigureResult(\Magento\Framework\DataObject $configureResult)
 {
     try {
         if (!$configureResult->getOk()) {
             throw new \Magento\Framework\Exception\LocalizedException(__($configureResult->getMessage()));
         }
         $currentStoreId = (int) $configureResult->getCurrentStoreId();
         if (!$currentStoreId) {
             $currentStoreId = $this->_storeManager->getStore()->getId();
         }
         $product = $this->productRepository->getById($configureResult->getProductId(), false, $currentStoreId);
         $this->_coreRegistry->register('current_product', $product);
         $this->_coreRegistry->register('product', $product);
         // Register customer we're working with
         $customerId = (int) $configureResult->getCurrentCustomerId();
         $this->_coreRegistry->register(RegistryConstants::CURRENT_CUSTOMER_ID, $customerId);
         // Prepare buy request values
         $buyRequest = $configureResult->getBuyRequest();
         if ($buyRequest) {
             $this->_catalogProduct->prepareProductOptions($product, $buyRequest);
         }
         $isOk = true;
         $productType = $product->getTypeId();
     } catch (\Exception $e) {
         $isOk = false;
         $productType = null;
         $this->_coreRegistry->register('composite_configure_result_error_message', $e->getMessage());
     }
     return $this->_initConfigureResultLayout($isOk, $productType);
 }

 /**
  * Add meta information from product to head block
  *
  * @return \Magento\Catalog\Block\Product\View
  */
 protected function _prepareLayout()
 {
     $this->getLayout()->createBlock('Magento\\Catalog\\Block\\Breadcrumbs');
     $product = $this->getProduct();
     if (!$product) {
         return parent::_prepareLayout();
     }
     $title = $product->getMetaTitle();
     if ($title) {
         $this->pageConfig->getTitle()->set($title);
     }
     $keyword = $product->getMetaKeyword();
     $currentCategory = $this->_coreRegistry->registry('current_category');
     if ($keyword) {
         $this->pageConfig->setKeywords($keyword);
     } elseif ($currentCategory) {
         $this->pageConfig->setKeywords($product->getName());
     }
     $description = $product->getMetaDescription();
     if ($description) {
         $this->pageConfig->setDescription($description);
     } else {
         $this->pageConfig->setDescription($this->string->substr($product->getDescription(), 0, 255));
     }
     if ($this->_productHelper->canUseCanonicalTag()) {
         $this->pageConfig->addRemotePageAsset($product->getUrlModel()->getUrl($product, ['_ignore_category' => true]), 'canonical', ['attributes' => ['rel' => 'canonical']]);
     }
     $pageMainTitle = $this->getLayout()->getBlock('page.main.title');
     if ($pageMainTitle) {
         $pageMainTitle->setPageTitle($product->getName());
     }
     return parent::_prepareLayout();
 }

 /**
  * {@inheritdoc}
  */
 public function create(\Magento\Catalog\Service\V1\Data\Eav\AttributeMetadata $attributeMetadata)
 {
     /**
      * @var $model \Magento\Catalog\Model\Resource\Eav\Attribute
      */
     $model = $this->attributeFactory->create();
     $data = $attributeMetadata->__toArray();
     // unset attribute id because we create new attribute (does not rewrite existing one)
     unset($data[AttributeMetadata::ATTRIBUTE_ID]);
     // define frontend label
     if (!$attributeMetadata->getFrontendLabel()) {
         throw InputException::requiredField(AttributeMetadata::FRONTEND_LABEL);
     }
     $data[AttributeMetadata::FRONTEND_LABEL] = [];
     foreach ($attributeMetadata->getFrontendLabel() as $label) {
         $data[AttributeMetadata::FRONTEND_LABEL][$label->getStoreId()] = $label->getLabel();
     }
     if (!isset($data[AttributeMetadata::FRONTEND_LABEL][0]) || !$data[AttributeMetadata::FRONTEND_LABEL][0]) {
         throw InputException::invalidFieldValue(AttributeMetadata::FRONTEND_LABEL, null);
     }
     $data[AttributeMetadata::ATTRIBUTE_CODE] = $attributeMetadata->getAttributeCode() ?: $this->generateCode($data[AttributeMetadata::FRONTEND_LABEL][0]);
     $this->validateCode($data[AttributeMetadata::ATTRIBUTE_CODE]);
     $this->validateFrontendInput($attributeMetadata->getFrontendInput());
     $data[AttributeMetadata::BACKEND_TYPE] = $model->getBackendTypeByInput($attributeMetadata->getFrontendInput());
     $data[AttributeMetadata::SOURCE_MODEL] = $this->helper->getAttributeSourceModelByInputType($attributeMetadata->getFrontendInput());
     $data[AttributeMetadata::BACKEND_MODEL] = $this->helper->getAttributeBackendModelByInputType($attributeMetadata->getFrontendInput());
     $model->addData($data);
     $model->setEntityTypeId($this->eavConfig->getEntityType(\Magento\Catalog\Model\Product::ENTITY)->getId())->setIsUserDefined(1);
     return $model->save()->getAttributeCode();
 }

 /**
  * Check if product can be bought
  *
  * @param \Magento\Catalog\Model\Product $product
  * @return $this
  * @throws \Magento\Framework\Exception\LocalizedException
  */
 public function checkProductBuyState($product)
 {
     parent::checkProductBuyState($product);
     $productOptionIds = $this->getOptionsIds($product);
     $productSelections = $this->getSelectionsCollection($productOptionIds, $product);
     $selectionIds = $product->getCustomOption('bundle_selection_ids');
     $selectionIds = unserialize($selectionIds->getValue());
     $buyRequest = $product->getCustomOption('info_buyRequest');
     $buyRequest = new \Magento\Framework\DataObject(unserialize($buyRequest->getValue()));
     $bundleOption = $buyRequest->getBundleOption();
     if (empty($bundleOption)) {
         throw new \Magento\Framework\Exception\LocalizedException($this->getSpecifyOptionMessage());
     }
     $skipSaleableCheck = $this->_catalogProduct->getSkipSaleableCheck();
     foreach ($selectionIds as $selectionId) {
         /* @var $selection \Magento\Bundle\Model\Selection */
         $selection = $productSelections->getItemById($selectionId);
         if (!$selection || !$selection->isSalable() && !$skipSaleableCheck) {
             throw new \Magento\Framework\Exception\LocalizedException(__('The required options you selected are not available.'));
         }
     }
     $product->getTypeInstance()->setStoreFilter($product->getStoreId(), $product);
     $optionsCollection = $this->getOptionsCollection($product);
     foreach ($optionsCollection->getItems() as $option) {
         if ($option->getRequired() && empty($bundleOption[$option->getId()])) {
             throw new \Magento\Framework\Exception\LocalizedException(__('Please select all required options.'));
         }
     }
     return $this;
 }

 /**
  * Add wishlist item to shopping cart and remove from wishlist
  *
  * If Product has required options - item removed from wishlist and redirect
  * to product view page with message about needed defined required options
  *
  * @return ResponseInterface
  * @SuppressWarnings(PHPMD.CyclomaticComplexity)
  * @SuppressWarnings(PHPMD.NPathComplexity)
  */
 public function execute()
 {
     $itemId = (int) $this->getRequest()->getParam('item');
     /* @var $item \Magento\Wishlist\Model\Item */
     $item = $this->itemFactory->create()->load($itemId);
     if (!$item->getId()) {
         return $this->_redirect('*/*');
     }
     $wishlist = $this->wishlistProvider->getWishlist($item->getWishlistId());
     if (!$wishlist) {
         return $this->_redirect('*/*');
     }
     // Set qty
     $qty = $this->getRequest()->getParam('qty');
     if (is_array($qty)) {
         if (isset($qty[$itemId])) {
             $qty = $qty[$itemId];
         } else {
             $qty = 1;
         }
     }
     $qty = $this->quantityProcessor->process($qty);
     if ($qty) {
         $item->setQty($qty);
     }
     $redirectUrl = $this->_url->getUrl('*/*');
     $configureUrl = $this->_url->getUrl('*/*/configure/', ['id' => $item->getId(), 'product_id' => $item->getProductId()]);
     try {
         /** @var \Magento\Wishlist\Model\Resource\Item\Option\Collection $options */
         $options = $this->optionFactory->create()->getCollection()->addItemFilter([$itemId]);
         $item->setOptions($options->getOptionsByItem($itemId));
         $buyRequest = $this->productHelper->addParamsToBuyRequest($this->getRequest()->getParams(), ['current_config' => $item->getBuyRequest()]);
         $item->mergeBuyRequest($buyRequest);
         $item->addToCart($this->cart, true);
         $this->cart->save()->getQuote()->collectTotals();
         $wishlist->save();
         if (!$this->cart->getQuote()->getHasError()) {
             $message = __('You added %1 to your shopping cart.', $this->escaper->escapeHtml($item->getProduct()->getName()));
             $this->messageManager->addSuccess($message);
         }
         if ($this->cart->getShouldRedirectToCart()) {
             $redirectUrl = $this->cart->getCartUrl();
         } else {
             $refererUrl = $this->_redirect->getRefererUrl();
             if ($refererUrl && $refererUrl != $configureUrl) {
                 $redirectUrl = $refererUrl;
             }
         }
     } catch (ProductException $e) {
         $this->messageManager->addError(__('This product(s) is out of stock.'));
     } catch (\Magento\Framework\Exception\LocalizedException $e) {
         $this->messageManager->addNotice($e->getMessage());
         $redirectUrl = $configureUrl;
     } catch (\Exception $e) {
         $this->messageManager->addException($e, __('Cannot add item to shopping cart'));
     }
     $this->helper->calculate();
     return $this->getResponse()->setRedirect($redirectUrl);
 }

 /**
  * Update wishlist Item and set data from request
  *
  * The $params sets how current item configuration must be taken into account and additional options.
  * It's passed to \Magento\Catalog\Helper\Product->addParamsToBuyRequest() to compose resulting buyRequest.
  *
  * Basically it can hold
  * - 'current_config', \Magento\Framework\Object or array - current buyRequest that configures product in this item,
  *   used to restore currently attached files
  * - 'files_prefix': string[a-z0-9_] - prefix that was added at frontend to names of file options (file inputs),
  * so they won't intersect with other submitted options
  *
  * For more options see \Magento\Catalog\Helper\Product->addParamsToBuyRequest()
  *
  * @param int|Item $itemId
  * @param \Magento\Framework\Object $buyRequest
  * @param null|array|\Magento\Framework\Object $params
  * @return $this
  * @throws Exception
  *
  * @see \Magento\Catalog\Helper\Product::addParamsToBuyRequest()
  */
 public function updateItem($itemId, $buyRequest, $params = null)
 {
     $item = null;
     if ($itemId instanceof Item) {
         $item = $itemId;
     } else {
         $item = $this->getItem((int) $itemId);
     }
     if (!$item) {
         throw new Exception(__('We can\'t specify a wish list item.'));
     }
     $product = $item->getProduct();
     $productId = $product->getId();
     if ($productId) {
         if (!$params) {
             $params = new \Magento\Framework\Object();
         } else {
             if (is_array($params)) {
                 $params = new \Magento\Framework\Object($params);
             }
         }
         $params->setCurrentConfig($item->getBuyRequest());
         $buyRequest = $this->_catalogProduct->addParamsToBuyRequest($buyRequest, $params);
         $product->setWishlistStoreId($item->getStoreId());
         $items = $this->getItemCollection();
         $isForceSetQuantity = true;
         foreach ($items as $_item) {
             /* @var $_item Item */
             if ($_item->getProductId() == $product->getId() && $_item->representProduct($product) && $_item->getId() != $item->getId()) {
                 // We do not add new wishlist item, but updating the existing one
                 $isForceSetQuantity = false;
             }
         }
         $resultItem = $this->addNewItem($product, $buyRequest, $isForceSetQuantity);
         /**
          * Error message
          */
         if (is_string($resultItem)) {
             throw new Exception(__($resultItem));
         }
         if ($resultItem->getId() != $itemId) {
             if ($resultItem->getDescription() != $item->getDescription()) {
                 $resultItem->setDescription($item->getDescription())->save();
             }
             $item->isDeleted(true);
             $this->setDataChanges(true);
         } else {
             $resultItem->setQty($buyRequest->getQty() * 1);
             $resultItem->setOrigData('qty', 0);
         }
     } else {
         throw new Exception(__('The product does not exist.'));
     }
     return $this;
 }

 /**
  * {@inheritdoc}
  * @SuppressWarnings(PHPMD.CyclomaticComplexity)
  * @SuppressWarnings(PHPMD.NPathComplexity)
  */
 public function save(\Magento\Catalog\Api\Data\ProductAttributeInterface $attribute)
 {
     if ($attribute->getAttributeId()) {
         $existingModel = $this->get($attribute->getAttributeCode());
         if (!$existingModel->getAttributeId()) {
             throw NoSuchEntityException::singleField('attribute_code', $existingModel->getAttributeCode());
         }
         $attribute->setAttributeId($existingModel->getAttributeId());
         $attribute->setIsUserDefined($existingModel->getIsUserDefined());
         $attribute->setFrontendInput($existingModel->getFrontendInput());
         if (is_array($attribute->getFrontendLabels())) {
             $frontendLabel[0] = $existingModel->getDefaultFrontendLabel();
             foreach ($attribute->getFrontendLabels() as $item) {
                 $frontendLabel[$item->getStoreId()] = $item->getLabel();
             }
             $attribute->setDefaultFrontendLabel($frontendLabel);
         }
         if (!$attribute->getIsUserDefined()) {
             // Unset attribute field for system attributes
             $attribute->setApplyTo(null);
         }
     } else {
         $attribute->setAttributeId(null);
         if (!$attribute->getFrontendLabels() && !$attribute->getDefaultFrontendLabel()) {
             throw InputException::requiredField('frontend_label');
         }
         $frontendLabels = [];
         if ($attribute->getDefaultFrontendLabel()) {
             $frontendLabels[0] = $attribute->getDefaultFrontendLabel();
         }
         if ($attribute->getFrontendLabels() && is_array($attribute->getFrontendLabels())) {
             foreach ($attribute->getFrontendLabels() as $label) {
                 $frontendLabels[$label->getStoreId()] = $label->getLabel();
             }
             if (!isset($frontendLabels[0]) || !$frontendLabels[0]) {
                 throw InputException::invalidFieldValue('frontend_label', null);
             }
             $attribute->setDefaultFrontendLabel($frontendLabels);
         }
         $attribute->setAttributeCode($attribute->getAttributeCode() ?: $this->generateCode($frontendLabels[0]));
         $this->validateCode($attribute->getAttributeCode());
         $this->validateFrontendInput($attribute->getFrontendInput());
         $attribute->setBackendType($attribute->getBackendTypeByInput($attribute->getFrontendInput()));
         $attribute->setSourceModel($this->productHelper->getAttributeSourceModelByInputType($attribute->getFrontendInput()));
         $attribute->setBackendModel($this->productHelper->getAttributeBackendModelByInputType($attribute->getFrontendInput()));
         $attribute->setEntityTypeId($this->eavConfig->getEntityType(\Magento\Catalog\Api\Data\ProductAttributeInterface::ENTITY_TYPE_CODE)->getId());
         $attribute->setIsUserDefined(1);
     }
     $this->attributeResource->save($attribute);
     foreach ($attribute->getOptions() as $option) {
         $this->optionManagement->add($attribute->getAttributeCode(), $option);
     }
     return $this->get($attribute->getAttributeCode());
 }

 public function testPrepareProductOptions()
 {
     /** @var $product \Magento\Catalog\Model\Product */
     $product = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create('Magento\\Catalog\\Model\\Product');
     $buyRequest = new \Magento\Framework\DataObject(['qty' => 100, 'options' => ['option' => 'value']]);
     $this->_helper->prepareProductOptions($product, $buyRequest);
     $result = $product->getPreconfiguredValues();
     $this->assertInstanceOf('Magento\\Framework\\DataObject', $result);
     $this->assertEquals(100, $result->getQty());
     $this->assertEquals(['option' => 'value'], $result->getOptions());
 }

 /**
  * Get Allowed Products
  *
  * @return array
  */
 public function getAllowProducts()
 {
     if (!$this->hasAllowProducts()) {
         $products = [];
         $skipSaleableCheck = $this->catalogProduct->getSkipSaleableCheck();
         $allProducts = $this->getProduct()->getTypeInstance()->getUsedProducts($this->getProduct(), null);
         foreach ($allProducts as $product) {
             if ($product->isSaleable() || $skipSaleableCheck) {
                 $products[] = $product;
             }
         }
         $this->setAllowProducts($products);
     }
     return $this->getData('allow_products');
 }

 /**
  * Add new product attrubute into all attribute sets.
  * If attribute is already exists - skip.
  *
  * @param  array $data Array of slider data arrays
  * <pre>
  * [
  *     attribute_code
  *     is_global
  *     frontend_input [text|boolean|textarea|select|price|media_image|etc]
  *     default_value_text
  *     is_searchable
  *     is_visible_in_advanced_search
  *     is_comparable
  *     frontend_label array
  *     sort_order Set 0 to use MaxSortOrder
  * ]
  * </pre>
  * @return void
  */
 public function execute($data)
 {
     $defaults = array('is_global' => 0, 'frontend_input' => 'boolean', 'is_configurable' => 0, 'is_filterable' => 0, 'is_filterable_in_search' => 0, 'sort_order' => 1);
     $entityTypeId = $this->objectManager->create('Magento\\Eav\\Model\\Entity')->setType(\Magento\Catalog\Model\Product::ENTITY)->getTypeId();
     $attributeSets = $this->objectManager->create('Magento\\Eav\\Model\\ResourceModel\\Entity\\Attribute\\Set\\Collection')->setEntityTypeFilter($entityTypeId);
     foreach ($data as $itemData) {
         /* @var $model \Magento\Catalog\Model\ResourceModel\Eav\Attribute */
         $model = $this->attributeFactory->create()->load($itemData['attribute_code'], 'attribute_code');
         if ($model->getId()) {
             continue;
         }
         $itemData = array_merge($itemData, $defaults);
         $itemData['source_model'] = $this->productHelper->getAttributeSourceModelByInputType($itemData['frontend_input']);
         $itemData['backend_model'] = $this->productHelper->getAttributeBackendModelByInputType($itemData['frontend_input']);
         $itemData['backend_type'] = $model->getBackendTypeByInput($itemData['frontend_input']);
         $model->addData($itemData);
         $model->setEntityTypeId($entityTypeId);
         $model->setIsUserDefined(1);
         foreach ($attributeSets as $set) {
             $model->setAttributeSetId($set->getId());
             $model->setAttributeGroupId($set->getDefaultGroupId());
             try {
                 $model->save();
             } catch (\Exception $e) {
                 $this->fault('product_attribute_save', $e);
             }
         }
         if (!$attributeSets->count()) {
             try {
                 $model->save();
             } catch (\Exception $e) {
                 $this->fault('product_attribute_save', $e);
             }
         }
     }
 }

 /**
  * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
  */
 public function testExecuteWithoutQuantityArrayAndConfigurable()
 {
     $itemId = 2;
     $wishlistId = 1;
     $qty = [];
     $productId = 4;
     $indexUrl = 'index_url';
     $configureUrl = 'configure_url';
     $options = [5 => 'option'];
     $params = ['item' => $itemId, 'qty' => $qty];
     $this->formKeyValidator->expects($this->once())->method('validate')->with($this->requestMock)->willReturn(true);
     $itemMock = $this->getMockBuilder('Magento\\Wishlist\\Model\\Item')->disableOriginalConstructor()->setMethods(['load', 'getId', 'getWishlistId', 'setQty', 'setOptions', 'getBuyRequest', 'mergeBuyRequest', 'addToCart', 'getProduct', 'getProductId'])->getMock();
     $this->requestMock->expects($this->at(0))->method('getParam')->with('item', null)->willReturn($itemId);
     $this->itemFactoryMock->expects($this->once())->method('create')->willReturn($itemMock);
     $itemMock->expects($this->once())->method('load')->with($itemId, null)->willReturnSelf();
     $itemMock->expects($this->exactly(2))->method('getId')->willReturn($itemId);
     $itemMock->expects($this->once())->method('getWishlistId')->willReturn($wishlistId);
     $wishlistMock = $this->getMockBuilder('Magento\\Wishlist\\Model\\Wishlist')->disableOriginalConstructor()->getMock();
     $this->wishlistProviderMock->expects($this->once())->method('getWishlist')->with($wishlistId)->willReturn($wishlistMock);
     $this->requestMock->expects($this->at(1))->method('getParam')->with('qty', null)->willReturn($qty);
     $this->quantityProcessorMock->expects($this->once())->method('process')->with(1)->willReturnArgument(0);
     $itemMock->expects($this->once())->method('setQty')->with(1)->willReturnSelf();
     $this->urlMock->expects($this->at(0))->method('getUrl')->with('*/*', null)->willReturn($indexUrl);
     $itemMock->expects($this->once())->method('getProductId')->willReturn($productId);
     $this->urlMock->expects($this->at(1))->method('getUrl')->with('*/*/configure/', ['id' => $itemId, 'product_id' => $productId])->willReturn($configureUrl);
     $optionMock = $this->getMockBuilder('Magento\\Wishlist\\Model\\Item\\Option')->disableOriginalConstructor()->getMock();
     $this->optionFactoryMock->expects($this->once())->method('create')->willReturn($optionMock);
     $optionsMock = $this->getMockBuilder('Magento\\Wishlist\\Model\\ResourceModel\\Item\\Option\\Collection')->disableOriginalConstructor()->getMock();
     $optionMock->expects($this->once())->method('getCollection')->willReturn($optionsMock);
     $optionsMock->expects($this->once())->method('addItemFilter')->with([$itemId])->willReturnSelf();
     $optionsMock->expects($this->once())->method('getOptionsByItem')->with($itemId)->willReturn($options);
     $itemMock->expects($this->once())->method('setOptions')->with($options)->willReturnSelf();
     $this->requestMock->expects($this->once())->method('getParams')->willReturn($params);
     $buyRequestMock = $this->getMockBuilder('Magento\\Framework\\DataObject')->disableOriginalConstructor()->getMock();
     $itemMock->expects($this->once())->method('getBuyRequest')->willReturn($buyRequestMock);
     $this->productHelperMock->expects($this->once())->method('addParamsToBuyRequest')->with($params, ['current_config' => $buyRequestMock])->willReturn($buyRequestMock);
     $itemMock->expects($this->once())->method('mergeBuyRequest')->with($buyRequestMock)->willReturnSelf();
     $itemMock->expects($this->once())->method('addToCart')->with($this->checkoutCartMock, true)->willThrowException(new \Magento\Framework\Exception\LocalizedException(__('message')));
     $this->messageManagerMock->expects($this->once())->method('addNotice')->with('message', null)->willReturnSelf();
     $this->helperMock->expects($this->once())->method('calculate')->willReturnSelf();
     $this->resultRedirectMock->expects($this->once())->method('setUrl')->with($configureUrl)->willReturnSelf();
     $this->assertSame($this->resultRedirectMock, $this->model->execute());
 }

 /**
  * Retrieve Visitor/Customer Last Viewed URL
  *
  * @return string
  */
 public function getLastViewedUrl()
 {
     $productId = $this->_catalogSession->getLastViewedProductId();
     if ($productId) {
         $product = $this->_productFactory->create()->load($productId);
         /* @var $product \Magento\Catalog\Model\Product */
         if ($this->_catalogProduct->canShow($product, 'catalog')) {
             return $product->getProductUrl();
         }
     }
     $categoryId = $this->_catalogSession->getLastViewedCategoryId();
     if ($categoryId) {
         $category = $this->_categoryFactory->create()->load($categoryId);
         /* @var $category \Magento\Catalog\Model\Category */
         if (!$this->_catalogCategory->canShow($category)) {
             return '';
         }
         return $category->getCategoryUrl();
     }
     return '';
 }

 /**
  * Add meta information from product to head block
  *
  * @return \Magento\Catalog\Block\Product\View
  */
 protected function _prepareLayout()
 {
     $this->getLayout()->createBlock('Magento\\Catalog\\Block\\Breadcrumbs');
     $product = $this->getProduct();
     if (!$product) {
         return parent::_prepareLayout();
     }
     $headBlock = $this->getLayout()->getBlock('head');
     if ($headBlock) {
         $title = $product->getMetaTitle();
         if ($title) {
             $headBlock->setTitle($title);
         }
         $keyword = $product->getMetaKeyword();
         $currentCategory = $this->_coreRegistry->registry('current_category');
         if ($keyword) {
             $headBlock->setKeywords($keyword);
         } elseif ($currentCategory) {
             $headBlock->setKeywords($product->getName());
         }
         $description = $product->getMetaDescription();
         if ($description) {
             $headBlock->setDescription($description);
         } else {
             $headBlock->setDescription($this->string->substr($product->getDescription(), 0, 255));
         }
         //@todo: move canonical link to separate block
         $childBlockName = 'magento-page-head-product-canonical-link';
         if ($this->_productHelper->canUseCanonicalTag() && !$headBlock->getChildBlock($childBlockName)) {
             $params = array('_ignore_category' => true);
             $headBlock->addChild($childBlockName, 'Magento\\Theme\\Block\\Html\\Head\\Link', array('url' => $product->getUrlModel()->getUrl($product, $params), 'properties' => array('attributes' => array('rel' => 'canonical'))));
         }
     }
     $pageMainTitle = $this->getLayout()->getBlock('page.main.title');
     if ($pageMainTitle) {
         $pageMainTitle->setPageTitle($product->getName());
     }
     return parent::_prepareLayout();
 }

 /**
  * Prepares and render result of composite product configuration request
  *
  * The $configureResult variable holds either:
  *  - 'ok' = true, and 'product_id', 'buy_request', 'current_store_id', 'current_customer_id'
  *  - 'error' = true, and 'message' to show
  *
  * @param \Magento\Framework\Object $configureResult
  * @return void
  */
 public function renderConfigureResult(\Magento\Framework\Object $configureResult)
 {
     try {
         if (!$configureResult->getOk()) {
             throw new \Magento\Framework\Model\Exception($configureResult->getMessage());
         }
         $currentStoreId = (int) $configureResult->getCurrentStoreId();
         if (!$currentStoreId) {
             $currentStoreId = $this->_storeManager->getStore()->getId();
         }
         $product = $this->_productFactory->create()->setStoreId($currentStoreId)->load($configureResult->getProductId());
         if (!$product->getId()) {
             throw new \Magento\Framework\Model\Exception(__('The product is not loaded.'));
         }
         $this->_coreRegistry->register('current_product', $product);
         $this->_coreRegistry->register('product', $product);
         // Register customer we're working with
         $customerId = (int) $configureResult->getCurrentCustomerId();
         // TODO: Remove the customer model from the registry once all readers are refactored
         $customerModel = $this->_converter->loadCustomerModel($customerId);
         $this->_coreRegistry->register(RegistryConstants::CURRENT_CUSTOMER, $customerModel);
         $this->_coreRegistry->register(RegistryConstants::CURRENT_CUSTOMER_ID, $customerId);
         // Prepare buy request values
         $buyRequest = $configureResult->getBuyRequest();
         if ($buyRequest) {
             $this->_catalogProduct->prepareProductOptions($product, $buyRequest);
         }
         $isOk = true;
         $productType = $product->getTypeId();
     } catch (\Exception $e) {
         $isOk = false;
         $productType = null;
         $this->_coreRegistry->register('composite_configure_result_error_message', $e->getMessage());
     }
     $this->_initConfigureResultLayout($isOk, $productType);
     $this->_view->renderLayout();
 }

 /**
  * Updates quote item with new configuration
  *
  * $params sets how current item configuration must be taken into account and additional options.
  * It's passed to \Magento\Catalog\Helper\Product->addParamsToBuyRequest() to compose resulting buyRequest.
  *
  * Basically it can hold
  * - 'current_config', \Magento\Framework\Object or array - current buyRequest that configures product in this item,
  *   used to restore currently attached files
  * - 'files_prefix': string[a-z0-9_] - prefix that was added at frontend to names of file options (file inputs),
  *   so they won't intersect with other submitted options
  *
  * For more options see \Magento\Catalog\Helper\Product->addParamsToBuyRequest()
  *
  * @param int $itemId
  * @param \Magento\Framework\Object $buyRequest
  * @param null|array|\Magento\Framework\Object $params
  * @return \Magento\Quote\Model\Quote\Item
  * @throws \Magento\Framework\Exception\LocalizedException
  *
  * @see \Magento\Catalog\Helper\Product::addParamsToBuyRequest()
  * @SuppressWarnings(PHPMD.CyclomaticComplexity)
  */
 public function updateItem($itemId, $buyRequest, $params = null)
 {
     $item = $this->getItemById($itemId);
     if (!$item) {
         throw new \Magento\Framework\Exception\LocalizedException(__('This is the wrong quote item id to update configuration.'));
     }
     $productId = $item->getProduct()->getId();
     //We need to create new clear product instance with same $productId
     //to set new option values from $buyRequest
     $product = clone $this->productRepository->getById($productId, false, $this->getStore()->getId());
     if (!$params) {
         $params = new \Magento\Framework\Object();
     } elseif (is_array($params)) {
         $params = new \Magento\Framework\Object($params);
     }
     $params->setCurrentConfig($item->getBuyRequest());
     $buyRequest = $this->_catalogProduct->addParamsToBuyRequest($buyRequest