diff --git a/src/Controller/AdminController.php b/src/Controller/AdminController.php
index 5cad282..1d9d36f 100644
--- a/src/Controller/AdminController.php
+++ b/src/Controller/AdminController.php
@@ -36,6 +36,8 @@ use Symfony\Contracts\Cache\ItemInterface;
 class AdminController extends AbstractController
 {
     private const DQL_STATUS_PAID = 'o.status = :paid';
+    private const DQL_EXCLUDE_INVITATIONS = 'o.isInvitation = false OR o.isInvitation IS NULL';
+    private const NO_SNAPSHOT_MSG = self::NO_SNAPSHOT_MSG;
 
     #[Route('', name: 'app_admin_dashboard')]
     public function dashboard(EntityManagerInterface $em, #[Autowire(service: 'stats.cache')] CacheInterface $cache): Response
@@ -50,7 +52,7 @@ class AdminController extends AbstractController
                 ->select('SUM(o.totalHT)')
                 ->from(BilletBuyer::class, 'o')
                 ->where(self::DQL_STATUS_PAID)
-                ->andWhere('o.isInvitation = false OR o.isInvitation IS NULL')
+                ->andWhere(self::DQL_EXCLUDE_INVITATIONS)
                 ->setParameter('paid', BilletBuyer::STATUS_PAID)
                 ->getQuery()
                 ->getSingleScalarResult() ?? 0);
@@ -59,7 +61,7 @@ class AdminController extends AbstractController
                 ->select('COUNT(o.id)')
                 ->from(BilletBuyer::class, 'o')
                 ->where(self::DQL_STATUS_PAID)
-                ->andWhere('o.isInvitation = false OR o.isInvitation IS NULL')
+                ->andWhere(self::DQL_EXCLUDE_INVITATIONS)
                 ->setParameter('paid', BilletBuyer::STATUS_PAID)
                 ->getQuery()
                 ->getSingleScalarResult();
@@ -73,7 +75,7 @@ class AdminController extends AbstractController
                 ->join('o.event', 'e')
                 ->join('e.account', 'a')
                 ->where(self::DQL_STATUS_PAID)
-                ->andWhere('o.isInvitation = false OR o.isInvitation IS NULL')
+                ->andWhere(self::DQL_EXCLUDE_INVITATIONS)
                 ->setParameter('paid', BilletBuyer::STATUS_PAID)
                 ->getQuery()
                 ->getResult();
@@ -718,8 +720,8 @@ class AdminController extends AbstractController
 
             return $this->render('admin/infra.html.twig', [
                 'snapshot_missing' => true,
-                'server' => $emptyServer, 'containers' => [], 'redis_global' => ['connected' => false, 'error' => 'Aucun snapshot disponible.'],
-                'redis_dbs' => [], 'postgres' => ['connected' => false, 'error' => 'Aucun snapshot disponible.'], 'pgbouncer' => ['connected' => false, 'error' => 'Aucun snapshot disponible.'],
+                'server' => $emptyServer, 'containers' => [], 'redis_global' => ['connected' => false, 'error' => self::NO_SNAPSHOT_MSG],
+                'redis_dbs' => [], 'postgres' => ['connected' => false, 'error' => self::NO_SNAPSHOT_MSG], 'pgbouncer' => ['connected' => false, 'error' => self::NO_SNAPSHOT_MSG],
                 'generated_at' => null,
             ]);
         }