Magento 2 Get Coupon Code Programmatically Online

public function __construct( CartRepositoryInterface $quoteRepository, CustomerSession $customerSession, CheckoutSession $checkoutSession ) $this->quoteRepository = $quoteRepository; $this->customerSession = $customerSession; $this->checkoutSession = $checkoutSession;

public function execute()

<?php namespace YourNamespace\YourModule\Controller\Index; use Magento\Framework\App\Action\HttpGetActionInterface; use Magento\Framework\Controller\Result\JsonFactory; use YourNamespace\YourModule\Model\GetCouponCodeService; magento 2 get coupon code programmatically

try $quote = $this->quoteRepository->get($quoteId); return $quote->getCouponCode(); catch (NoSuchEntityException $e) return null;

public function __construct(CollectionFactory $couponCollectionFactory) CheckoutSession $checkoutSession ) $this-&gt

public function getAppliedCouponForItem($itemId)

use Magento\Quote\Api\CartRepositoryInterface; use Magento\Sales\Api\OrderRepositoryInterface; use Magento\Framework\Exception\NoSuchEntityException; quoteRepository = $quoteRepository

public function fromCurrentSession( \Magento\Checkout\Model\Session $checkoutSession, \Magento\Customer\Model\Session $customerSession ): ?string if ($customerSession->isLoggedIn()) $quote = $this->quoteRepository->getActiveForCustomer($customerSession->getCustomerId()); else $quote = $checkoutSession->getQuote(); return $quote->getCouponCode();

public function getAllCoupons(): array

class GetCouponFromQuote

class GetCouponCodeService