Get existing supports for same project and origin

src/Entity/Project/Support.php

@@ -14,7 +14,7 @@ use Doctrine\ORM\Mapping as ORM;
 #[MapProvider(EntityMapProvider::class)]
 #[ORM\Entity(repositoryClass: SupportRepository::class)]
 #[ORM\Table(name: 'project_support', uniqueConstraints: [
-    new ORM\UniqueConstraint(fields: ['project', 'origin'])
+    new ORM\UniqueConstraint(fields: ['project', 'origin']),
 ])]
 class Support
 {
@@ -37,7 +37,7 @@ class Support
     #[ORM\JoinTable(name: 'project_support_trxs')]
     #[ORM\JoinColumn(name: 'support_id', referencedColumnName: 'id')]
     #[ORM\InverseJoinColumn(name: 'transaction_id', referencedColumnName: 'id')]
-    #[ORM\ManyToMany(targetEntity: Transaction::class)]
+    #[ORM\ManyToMany(targetEntity: Transaction::class, cascade: ['persist'])]
     private Collection $transactions;
 
     #[ORM\Column]

src/EventListener/GatewayCheckoutSupportsListener.php

@@ -7,6 +7,7 @@ use App\Entity\Gateway\Charge;
 use App\Entity\Gateway\Checkout;
 use App\Entity\Project\Project;
 use App\Entity\Project\Support;
+use App\Repository\Project\SupportRepository;
 use Doctrine\Bundle\DoctrineBundle\Attribute\AsEntityListener;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\Event\PreFlushEventArgs;
@@ -19,6 +20,10 @@ use Doctrine\ORM\Events;
 )]
 class GatewayCheckoutSupportsListener
 {
+    public function __construct(
+        private SupportRepository $supportRepository,
+    ) {}
+
     public function preFlush(Checkout $checkout, PreFlushEventArgs $args): void
     {
         /** @var EntityManagerInterface */
@@ -50,7 +55,15 @@ class GatewayCheckoutSupportsListener
      */
     private function createSupport(Project $project, Accounting $origin, array $transactions): Support
     {
-        $projectSupport = new Support();
+        $projectSupport = $this->supportRepository->findOneBy([
+            'project' => $project->getId(),
+            'origin' => $origin->getId(),
+        ]);
+
+        if (!$projectSupport) {
+            $projectSupport = new Support();
+        }
+
         $projectSupport->setProject($project);
         $projectSupport->setOrigin($origin);
         $projectSupport->setAnonymous(false);