/**
* Add AvaTax specific extension attribute fields to a \Magento\Tax\Model\Sales\Quote\ItemDetails object
*
* @param \Magento\Tax\Api\Data\QuoteDetailsItemInterface $quoteDetailsItem
* @param $avaTaxItemCode
* @param $avaTaxTaxCode
* @param $avaTaxDescription
* @return $this
*/
protected function addExtensionAttributesToTaxQuoteDetailsItem(\Magento\Tax\Api\Data\QuoteDetailsItemInterface $quoteDetailsItem, $avaTaxItemCode, $avaTaxTaxCode, $avaTaxDescription)
{
/** @var \Magento\Tax\Api\Data\QuoteDetailsItemExtensionInterface $extensionAttribute */
$extensionAttribute = $quoteDetailsItem->getExtensionAttributes() ? $quoteDetailsItem->getExtensionAttributes() : $this->extensionFactory->create();
$extensionAttribute->setAvataxItemCode($avaTaxItemCode);
$extensionAttribute->setAvataxTaxCode($avaTaxTaxCode);
$extensionAttribute->setAvataxDescription($avaTaxDescription);
$quoteDetailsItem->setExtensionAttributes($extensionAttribute);
return $this;
}
/**
* Calculate the total quantity for all items and set the total quantity on the extension attribute object
*
* Total quantities are calculated here because quantity is sometimes determined by multiplying
* child * parent quantity, so it's necessary to have all items in order to calculate this.
*
* @param \Magento\Tax\Api\Data\QuoteDetailsItemInterface[] $items
* @return $this
*/
public function calculateTotalQuantities($items)
{
$keyedItems = $this->getKeyedItems($items);
$childrenItems = $this->getChildrenItems($items);
$processedItems = [];
/** @var \Magento\Tax\Api\Data\QuoteDetailsItemInterface $item */
foreach ($keyedItems as $item) {
if (isset($childrenItems[$item->getCode()])) {
/** @var \Magento\Tax\Api\Data\QuoteDetailsItemInterface $childItem */
foreach ($childrenItems[$item->getCode()] as $childItem) {
$processedItems[] = $childItem;
}
}
$processedItems[] = $item;
}
foreach ($processedItems as $processedItem) {
$extensionAttribute = $processedItem->getExtensionAttributes() ? $processedItem->getExtensionAttributes() : $this->extensionFactory->create();
$totalQuantity = $this->calculateTotalQuantity($processedItem, $keyedItems);
$extensionAttribute->setTotalQuantity($totalQuantity);
$processedItem->setExtensionAttributes($extensionAttribute);
}
return $this;
}
