/**
* @param \Extcode\Cart\Domain\Model\Cart\Product $product
* @param \Extcode\Cart\Domain\Model\Cart\Product $newProduct
*
* @internal param $id
* @internal param $newQuantity
*
* @return void
*/
public function changeProduct($product, $newProduct)
{
$newQuantity = $product->getQuantity() + $newProduct->getQuantity();
$this->subCount($product->getQuantity());
$this->subGross($product->getGross());
$this->subNet($product->getNet());
$this->subTax($product->getTax(), $product->getTaxClass());
// if the new product has a variant then change it in product
if ($newProduct->getBeVariants()) {
$product->addBeVariants($newProduct->getBeVariants());
}
$product->changeQuantity($newQuantity);
$this->addCount($product->getQuantity());
$this->addGross($product->getGross());
$this->addNet($product->getNet());
$this->addTax($product->getTax(), $product->getTaxClass());
//update all service attributes
$this->updateServiceAttributes();
}
