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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Checkout\Block\Cart;
use Magento\CatalogInventory\Helper\Stock as StockHelper;
/**
* Cart crosssell list
*
* @api
* @author Magento Core Team <core@magentocommerce.com>
* @since 100.0.2
*/
class Crosssell extends \Magento\Catalog\Block\Product\AbstractProduct
{
/**
* Items quantity will be capped to this value
*
* @var int
*/
protected $_maxItemCount = 4;
/**
* @var \Magento\Checkout\Model\Session
*/
protected $_checkoutSession;
/**
* @var \Magento\Catalog\Model\Product\Visibility
*/
protected $_productVisibility;
/**
* @var StockHelper
*/
protected $stockHelper;
/**
* @var \Magento\Catalog\Model\Product\LinkFactory
*/
protected $_productLinkFactory;
/**
* @var \Magento\Quote\Model\Quote\Item\RelatedProducts
*/
protected $_itemRelationsList;
/**
* @param \Magento\Catalog\Block\Product\Context $context
* @param \Magento\Checkout\Model\Session $checkoutSession
* @param \Magento\Catalog\Model\Product\Visibility $productVisibility
* @param \Magento\Catalog\Model\Product\LinkFactory $productLinkFactory
* @param \Magento\Quote\Model\Quote\Item\RelatedProducts $itemRelationsList
* @param StockHelper $stockHelper
* @param array $data
*
* @codeCoverageIgnore
* @SuppressWarnings(PHPMD.ExcessiveParameterList)
*/
public function __construct(
\Magento\Catalog\Block\Product\Context $context,
\Magento\Checkout\Model\Session $checkoutSession,
\Magento\Catalog\Model\Product\Visibility $productVisibility,
\Magento\Catalog\Model\Product\LinkFactory $productLinkFactory,
\Magento\Quote\Model\Quote\Item\RelatedProducts $itemRelationsList,
StockHelper $stockHelper,
array $data = []
) {
$this->_checkoutSession = $checkoutSession;
$this->_productVisibility = $productVisibility;
$this->_productLinkFactory = $productLinkFactory;
$this->_itemRelationsList = $itemRelationsList;
$this->stockHelper = $stockHelper;
parent::__construct(
$context,
$data
);
$this->_isScopePrivate = true;
}
/**
* Get crosssell items
*
* @return array
*/
public function getItems()
{
$items = $this->getData('items');
if ($items === null) {
$items = [];
$ninProductIds = $this->_getCartProductIds();
if ($ninProductIds) {
$lastAdded = (int)$this->_getLastAddedProductId();
if ($lastAdded) {
$collection = $this->_getCollection()->addProductFilter($lastAdded);
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->_getCartProductIds(),
$this->_itemRelationsList->getRelatedProductIds($this->getQuote()->getAllItems())
);
$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->getQuote()->getAllItems() as $item) {
$product = $item->getProduct();
if ($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;
}
}