<?php

/*
 * This file is part of the Sylius package.
 *
 * (c) Paweł Jędrzejewski
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Sylius\Component\Promotion\Repository;

use Doctrine\ORM\QueryBuilder;
use Sylius\Component\Promotion\Model\PromotionCouponInterface;
use Sylius\Component\Resource\Repository\RepositoryInterface;

/**
 * @author Arkadiusz Krakowiak <arkadiusz.krakowiak@lakion.com>
 */
interface PromotionCouponRepositoryInterface extends RepositoryInterface
{
    /**
     * @param mixed $promotionId
     *
     * @return QueryBuilder
     */
    public function createQueryBuilderByPromotionId($promotionId): QueryBuilder;

    /**
     * @param int $codeLength
     *
     * @return int
     */
    public function countByCodeLength(int $codeLength): int;

    /**
     * @param string $code
     * @param string $promotionCode
     *
     * @return PromotionCouponInterface|null
     */
    public function findOneByCodeAndPromotionCode(string $code, string $promotionCode): ?PromotionCouponInterface;

    /**
     * @param string $promotionCode
     *
     * @return iterable
     */
    public function findByPromotionCode(string $promotionCode): iterable;
}

<?php

/*
 * This file is part of the Sylius package.
 *
 * (c) Paweł Jędrzejewski
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Sylius\Component\Promotion\Repository;

use Doctrine\ORM\QueryBuilder;
use Sylius\Component\Promotion\Model\PromotionCouponInterface;
use Sylius\Component\Resource\Repository\RepositoryInterface;

/**
 * @author Arkadiusz Krakowiak <arkadiusz.krakowiak@lakion.com>
 */
interface PromotionCouponRepositoryInterface extends RepositoryInterface
{
    /**
     * @param mixed $promotionId
     *
     * @return QueryBuilder
     */
    public function createQueryBuilderByPromotionId($promotionId): QueryBuilder;

    /**
     * @param int $codeLength
     *
     * @return int
     */
    public function countByCodeLength(int $codeLength): int;

    /**
     * @param string $code
     * @param string $promotionCode
     *
     * @return PromotionCouponInterface|null
     */
    public function findOneByCodeAndPromotionCode(string $code, string $promotionCode): ?PromotionCouponInterface;
}

--- 
+++ 
@@ -43,4 +43,11 @@
      * @return PromotionCouponInterface|null
      */
     public function findOneByCodeAndPromotionCode(string $code, string $promotionCode): ?PromotionCouponInterface;
+
+    /**
+     * @param string $promotionCode
+     *
+     * @return iterable
+     */
+    public function findByPromotionCode(string $promotionCode): iterable;
 }
[API][Promotion] Index coupons only for requested promotion
