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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Checkout\Block\Cart;
use Magento\Catalog\Api\Data\ProductInterface;
use Magento\Catalog\Api\ProductRepositoryInterface;
use Magento\Catalog\Block\Product\AbstractProduct;
use Magento\Catalog\Block\Product\Context;
use Magento\Catalog\Model\Product;
use Magento\Catalog\Model\Product\LinkFactory;
use Magento\Catalog\Model\Product\Visibility;
use Magento\Catalog\Model\ResourceModel\Product\Collection;
use Magento\Catalog\Model\ResourceModel\Product\CollectionFactory;
use Magento\CatalogInventory\Helper\Stock as StockHelper;
use Magento\Checkout\Model\Session;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Exception\NoSuchEntityException;
use Magento\Quote\Model\Quote\Item\RelatedProducts;
/**
* Cart crosssell list
*
* @api
* @author Magento Core Team <[email protected]>
* @since 100.0.2
* @SuppressWarnings(PHPMD.CouplingBetweenObjects)
*/
class Crosssell extends AbstractProduct
{
/**
* Items quantity will be capped to this value
*
* @var int
*/
protected $_maxItemCount = 4;
/**
* @var Session
*/
protected $_checkoutSession;
/**
* @var Visibility
*/
protected $_productVisibility;
/**
* @var StockHelper
*/
protected $stockHelper;
/**
* @var LinkFactory
*/
protected $_productLinkFactory;
/**
* @var RelatedProducts
*/
protected $_itemRelationsList;
/**
* @var CollectionFactory|null
*/
private $productCollectionFactory;
/**
* @var ProductRepositoryInterface|null
*/
private $productRepository;
/**
* @var Product[]
*/
private $cartProducts;
/**
* @param Context $context
* @param Session $checkoutSession
* @param Visibility $productVisibility
* @param LinkFactory $productLinkFactory
* @param RelatedProducts $itemRelationsList
* @param StockHelper $stockHelper
* @param array $data
* @param CollectionFactory|null $productCollectionFactory
* @param ProductRepositoryInterface|null $productRepository
* @codeCoverageIgnore
* @SuppressWarnings(PHPMD.ExcessiveParameterList)
*/
public function __construct(
Context $context,
Session $checkoutSession,
Visibility $productVisibility,
LinkFactory $productLinkFactory,
RelatedProducts $itemRelationsList,
StockHelper $stockHelper,
array $data = [],
?CollectionFactory $productCollectionFactory = null,
?ProductRepositoryInterface $productRepository = null
) {
$this->_checkoutSession = $checkoutSession;
$this->_productVisibility = $productVisibility;
$this->_productLinkFactory = $productLinkFactory;
$this->_itemRelationsList = $itemRelationsList;
$this->stockHelper = $stockHelper;
parent::__construct(
$context,
$data
);
$this->_isScopePrivate = true;
$this->productCollectionFactory = $productCollectionFactory
?? ObjectManager::getInstance()->get(CollectionFactory::class);
$this->productRepository = $productRepository
?? ObjectManager::getInstance()->get(ProductRepositoryInterface::class);
}
/**
* Get crosssell items
*
* @return array
*/
public function getItems()
{
$items = $this->getData('items');
if ($items === null) {
$items = [];
$ninProductIds = $this->_getCartProductIds();
if ($ninProductIds) {
$lastAddedProduct = $this->getLastAddedProduct();
if ($lastAddedProduct) {
$collection = $this->_getCollection()
->addProductFilter($lastAddedProduct->getData($this->getProductLinkField()));
if (!empty($ninProductIds)) {
$collection->addExcludeProductFilter($ninProductIds);
}
$collection->setPositionOrder()->load();
foreach ($collection as $item) {
$ninProductIds[] = $item->getId();
$items[] = $item;
}
}
if (count($items) < $this->_maxItemCount) {
$filterProductIds = array_merge(
$this->getCartProductLinkIds(),
$this->getCartRelatedProductLinkIds()
);
$collection = $this->_getCollection()->addProductFilter(
$filterProductIds
)->addExcludeProductFilter(
$ninProductIds
)->setPageSize(
$this->_maxItemCount - count($items)
)->setGroupBy()->setPositionOrder()->load();
foreach ($collection as $item) {
$items[] = $item;
}
}
}
$this->setData('items', $items);
}
return $items;
}
/**
* Count items
*
* @return int
* @codeCoverageIgnore
*/
public function getItemCount()
{
return count($this->getItems());
}
/**
* Get ids of products that are in cart
*
* @return array
*/
protected function _getCartProductIds()
{
$ids = $this->getData('_cart_product_ids');
if ($ids === null) {
$ids = [];
foreach ($this->getCartProducts() as $product) {
$ids[] = $product->getId();
}
$this->setData('_cart_product_ids', $ids);
}
return $ids;
}
/**
* Get last product ID that was added to cart and remove this information from session
*
* @return int
* @codeCoverageIgnore
*/
protected function _getLastAddedProductId()
{
return $this->_checkoutSession->getLastAddedProductId(true);
}
/**
* Get quote instance
*
* @return \Magento\Quote\Model\Quote
* @codeCoverageIgnore
*/
public function getQuote()
{
return $this->_checkoutSession->getQuote();
}
/**
* Get crosssell products collection
*
* @return \Magento\Catalog\Model\ResourceModel\Product\Link\Product\Collection
*/
protected function _getCollection()
{
/** @var \Magento\Catalog\Model\ResourceModel\Product\Link\Product\Collection $collection */
$collection = $this->_productLinkFactory->create()->useCrossSellLinks()->getProductCollection()->setStoreId(
$this->_storeManager->getStore()->getId()
)->addStoreFilter()->setPageSize(
$this->_maxItemCount
)->setVisibility(
$this->_productVisibility->getVisibleInCatalogIds()
);
$this->_addProductAttributesAndPrices($collection);
return $collection;
}
/**
* Get product link ID field
*
* @return string
*/
private function getProductLinkField(): string
{
/* @var $collection Collection */
$collection = $this->productCollectionFactory->create();
return $collection->getProductEntityMetadata()->getLinkField();
}
/**
* Get cart products link IDs
*
* @return array
*/
private function getCartProductLinkIds(): array
{
$linkField = $this->getProductLinkField();
$linkIds = [];
foreach ($this->getCartProducts() as $product) {
/** * @var Product $product */
$linkIds[] = $product->getData($linkField);
}
return $linkIds;
}
/**
* Get cart related products link IDs
*
* @return array
*/
private function getCartRelatedProductLinkIds(): array
{
$productIds = $this->_itemRelationsList->getRelatedProductIds($this->getQuote()->getAllItems());
$linkIds = [];
if (!empty($productIds)) {
$linkField = $this->getProductLinkField();
/* @var $collection Collection */
$collection = $this->productCollectionFactory->create();
$collection->addIdFilter($productIds);
foreach ($collection as $product) {
/** * @var Product $product */
$linkIds[] = $product->getData($linkField);
}
}
return $linkIds;
}
/**
* Retrieve just added to cart product object
*
* @return ProductInterface|null
*/
private function getLastAddedProduct(): ?ProductInterface
{
$product = null;
$productId = $this->_getLastAddedProductId();
if ($productId) {
try {
$product = $this->productRepository->getById($productId);
} catch (NoSuchEntityException $e) {
$product = null;
}
}
return $product;
}
/**
* Retrieve Array of Product instances in Cart
*
* @return array
*/
private function getCartProducts(): array
{
if ($this->cartProducts === null) {
$this->cartProducts = [];
foreach ($this->getQuote()->getAllItems() as $quoteItem) {
/* @var $quoteItem \Magento\Quote\Model\Quote\Item */
$product = $quoteItem->getProduct();
if ($product) {
$this->cartProducts[$product->getEntityId()] = $product;
}
}
}
return $this->cartProducts;
}
}