feat: create Mailjet lists for travel mailings

src/Repository/TravelMailingListRepository.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Repository;
+
+use App\Entity\TravelMailingList;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+/**
+ * @extends ServiceEntityRepository<TravelMailingList>
+ */
+class TravelMailingListRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, TravelMailingList::class);
+    }
+
+    public function findOneByTravelCode(string $travelCode): ?TravelMailingList
+    {
+        return $this->findOneBy(['travelCode' => $travelCode]);
+    }
+
+    /**
+     * @return list<TravelMailingList>
+     */
+    public function findDueForDeletion(\DateTimeImmutable $now): array
+    {
+        return $this->createQueryBuilder('l')
+            ->where('l.deleteAfter <= :now')
+            ->setParameter('now', $now)
+            ->orderBy('l.deleteAfter', 'ASC')
+            ->getQuery()
+            ->getResult();
+    }
+}