diff --git a/src/Entity/InvoiceRepository.php b/src/Entity/InvoiceRepository.php
index cc3521e..825d0ef 100644
--- a/src/Entity/InvoiceRepository.php
+++ b/src/Entity/InvoiceRepository.php
@@ -5,10 +5,12 @@
 namespace Baraja\Shop\Invoice\Entity;
 
 
+use Baraja\EcommerceStandard\DTO\InvoiceInterface;
 use Baraja\EcommerceStandard\DTO\OrderInterface;
+use Baraja\Shop\Order\Repository\OrderInvoiceRepository;
 use Doctrine\ORM\EntityRepository;
 
-final class InvoiceRepository extends EntityRepository
+final class InvoiceRepository extends EntityRepository implements OrderInvoiceRepository
 {
 	/**
 	 * @return array<int, Invoice>
@@ -25,4 +27,26 @@ public function getByOrder(OrderInterface $order): array
 
 		return $invoices;
 	}
+
+
+	/**
+	 * @param array<int, int> $ids
+	 * @return array<int, InvoiceInterface>
+	 */
+	public function getInvoicesByOrderIds(array $ids): array
+	{
+		/** @var array<int, Invoice> $invoices */
+		$invoices = $this->createQueryBuilder('i')
+			->where('i.order IN (:ids)')
+			->setParameter('ids', $ids)
+			->getQuery()
+			->getResult();
+
+		$return = [];
+		foreach ($invoices as $invoice) {
+			$return[$invoice->getOrder()->getId()] = $invoice;
+		}
+
+		return $return;
+	}
 }