/**
* Add discount total information to address
*
* @param \Magento\Quote\Model\Quote $quote
* @param \Magento\Quote\Model\Quote\Address\Total $total
* @return array|null
*/
public function fetch(\Magento\Quote\Model\Quote $quote, \Magento\Quote\Model\Quote\Address\Total $total)
{
$result = null;
$amount = $total->getDiscountAmount();
if ($amount != 0) {
$description = $total->getDiscountDescription();
$result = ['code' => $this->getCode(), 'title' => strlen($description) ? __('Discount (%1)', $description) : __('Discount'), 'value' => $amount];
}
return $result;
}
