feat: reject potential other applications on contract confirmation

src/EventListener/RejectApplicationListener.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\EventListener;
+
+use App\Entity\Application;
+use App\Entity\Upload;
+use App\Event\ApplicationStatusEvent;
+use App\Event\DocumentConfirmedEvent;
+use App\Model\ApplicationStatusDto;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\EventDispatcher\Attribute\AsEventListener;
+use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
+
+#[AsEventListener(event: DocumentConfirmedEvent::NAME, method: 'onDocumentConfirmed')]
+class RejectApplicationListener
+{
+    public function __construct(
+        private readonly EventDispatcherInterface $eventDispatcher,
+        private readonly EntityManagerInterface $entityManager,
+    ) {
+    }
+
+    public function onDocumentConfirmed(DocumentConfirmedEvent $event): void
+    {
+        $document = $event->getDocument();
+        if (Upload::TYPE_CONTRACT !== $document->getType()) {
+            return;
+        }
+
+        $disposition = $document->getDisposition();
+        $teamer = $disposition->getTeamer();
+        $otherApplications = $disposition
+            ->getAssignment()
+            ->getApplications()
+            ->filter(function (Application $application) use ($teamer) {
+                return $application->getTeamer() !== $teamer;
+            })
+        ;
+
+        foreach ($otherApplications as $application) {
+            $application
+                ->setStatus(Application::STATUS_REJECTED)
+                ->setComment('Abgelehnt, da Einsatz bereits anderweitig besetzt')
+            ;
+        }
+
+        $this->entityManager->flush();
+
+        foreach ($otherApplications as $application) {
+            $statusDto = new ApplicationStatusDto($application);
+            $this->eventDispatcher->dispatch(
+                new ApplicationStatusEvent($statusDto),
+                ApplicationStatusEvent::NAME
+            );
+        }
+    }
+}