/**
* {@inheritdoc}
*/
public function save(\Magento\Quote\Api\Data\CartInterface $quote)
{
if ($quote->getId()) {
$currentQuote = $this->get($quote->getId(), [$quote->getStoreId()]);
foreach ($currentQuote->getData() as $key => $value) {
if (!$quote->hasData($key)) {
$quote->setData($key, $value);
}
}
}
$this->getSaveHandler()->save($quote);
unset($this->quotesById[$quote->getId()]);
unset($this->quotesByCustomerId[$quote->getCustomerId()]);
}