Change code to make first user an admin so they have access to reference editor

src/Controller/RegistrationController.php

@@ -20,6 +20,11 @@ class RegistrationController extends AbstractController
 
         $form = $this->createForm(RegistrationFormType::class, $user);
         $form->handleRequest($request);
+        $role = ['ROLE_USER'];
+
+        if ($entityManager->getRepository(User::class)->getUserCount() == 0) {
+            $role = ['ROLE_ADMIN'];
+        }
 
         if ($form->isSubmitted() && $form->isValid()) {
             // encode the plain password
@@ -28,8 +33,8 @@ class RegistrationController extends AbstractController
                     $user,
                     $form->get('plainPassword')->getData()
                 )
-            )
-            ->setRoles(['ROLE_USER']);
+            );
+            $user->setRoles($role);
 
             $entityManager->persist($user);
             $entityManager->flush();

src/Repository/UserRepository.php

@@ -33,6 +33,15 @@ class UserRepository extends ServiceEntityRepository implements PasswordUpgrader
         $this->getEntityManager()->flush();
     }
 
+    public function getUserCount(): int
+    {
+        return $this->createQueryBuilder('u')
+            ->select('COUNT(u.id)')
+            ->getQuery()
+            ->getSingleScalarResult()
+        ;
+    }
+
     //    /**
     //     * @return User[] Returns an array of User objects
     //     */