quoteRepository = $quoteRepository; } /** * {@inheritdoc} * * @param array $data Parameters * 
     *    $data = [
     *      'cart_id'    => (string) Cart ID. Required.
     *      'coupon_codes' => (array) Coupon Codes. Required.
     *    ]
     *
* @throws NoSuchEntityException */ public function apply(array $data = []): ?DataObject { if (empty($data['cart_id']) || empty($data['coupon_codes'])) { throw new \InvalidArgumentException('cart_id or coupon_codes is missing!'); } $quote = $this->quoteRepository->getActive($data['cart_id']); $quote->setCouponCode(reset($data['coupon_codes'])); $this->quoteRepository->save($quote->collectTotals()); return $quote; } }