remove roles from users when role is deleted (#1640)

src/Controller/PermissionController.php

@@ -17,6 +17,7 @@ use App\Form\RoleType;
 use App\Model\PermissionSection;
 use App\Repository\RolePermissionRepository;
 use App\Repository\RoleRepository;
+use App\Repository\UserRepository;
 use App\Security\RolePermissionManager;
 use App\Security\RoleService;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
@@ -195,9 +196,16 @@ final class PermissionController extends AbstractController
      * @Route(path="/roles/{id}/delete", name="admin_user_role_delete", methods={"GET", "POST"})
      * @Security("is_granted('role_permissions')")
      */
-    public function deleteRole(Role $role): Response
+    public function deleteRole(Role $role, UserRepository $userRepository): Response
     {
         try {
+            // workaround, as roles is still a string array on users table
+            // until this is fixed, the users must be manually updated
+            $users = $userRepository->findUsersWithRole($role->getName());
+            foreach ($users as $user) {
+                $user->removeRole($role->getName());
+                $userRepository->saveUser($user);
+            }
             $this->roleRepository->deleteRole($role);
             $this->flashSuccess('action.delete.success');
         } catch (\Exception $ex) {

src/Repository/UserRepository.php

@@ -9,6 +9,7 @@
 
 namespace App\Repository;
 
+use App\Entity\Role;
 use App\Entity\User;
 use App\Repository\Loader\UserLoader;
 use App\Repository\Paginator\LoaderPaginator;
@@ -170,6 +171,28 @@ class UserRepository extends EntityRepository implements UserLoaderInterface
         }
     }
 
+    /**
+     * @param string $role
+     * @return User[]
+     * @internal
+     */
+    public function findUsersWithRole(string $role): array
+    {
+        if ($role === User::ROLE_USER) {
+            return $this->findAll();
+        }
+
+        $qb = $this->getEntityManager()->createQueryBuilder();
+
+        $qb
+            ->select('u')
+            ->from(User::class, 'u')
+            ->andWhere('u.roles LIKE :role');
+        $qb->setParameter('role', '%' . $role . '%');
+
+        return $qb->getQuery()->getResult();
+    }
+
     private function getQueryBuilderForQuery(UserQuery $query): QueryBuilder
     {
         $qb = $this->getEntityManager()->createQueryBuilder();