/**
* Retrieve Product Compare items collection
*
* @return \Magento\Catalog\Model\Resource\Product\Compare\Item\Collection
*/
public function getItems()
{
if (is_null($this->_items)) {
$this->_compareProduct->setAllowUsedFlat(false);
$this->_items = $this->_itemCollectionFactory->create();
$this->_items->useProductItem(true)->setStoreId($this->_storeManager->getStore()->getId());
if ($this->httpContext->getValue(\Magento\Customer\Helper\Data::CONTEXT_AUTH)) {
$this->_items->setCustomerId($this->currentCustomer->getCustomerId());
} elseif ($this->_customerId) {
$this->_items->setCustomerId($this->_customerId);
} else {
$this->_items->setVisitorId($this->_customerVisitor->getId());
}
$this->_items->addAttributeToSelect($this->_catalogConfig->getProductAttributes())->loadComparableAttributes()->addMinimalPrice()->addTaxPercents()->setVisibility($this->_catalogProductVisibility->getVisibleInSiteIds());
}
return $this->_items;
}
/**
* Calculate cache product compare collection
*
* @param bool $logout
* @return $this
*/
public function calculate($logout = false)
{
/** @var $collection Collection */
$collection = $this->_itemCollectionFactory->create()->useProductItem(true);
if (!$logout && $this->_customerSession->isLoggedIn()) {
$collection->setCustomerId($this->_customerSession->getCustomerId());
} elseif ($this->_customerId) {
$collection->setCustomerId($this->_customerId);
} else {
$collection->setVisitorId($this->_customerVisitor->getId());
}
/* Price data is added to consider item stock status using price index */
$collection->addPriceData()->setVisibility($this->_catalogProductVisibility->getVisibleInSiteIds());
$count = $collection->getSize();
$this->_catalogSession->setCatalogCompareItemsCount($count);
return $this;
}
/**
* @return \Magento\Catalog\Model\Resource\Product\Compare\Item\Collection
*/
protected function _createProductCompareCollection()
{
return $this->_itemsCompareFactory->create();
}
/**
* Retrieve Compare Items Collection
*
* @return Collection
*/
public function getItemCollection()
{
return $this->_itemCollectionFactory->create();
}