fix: reduce time on introspection endpoint

retrieve user with prefetch of groups

Author: smarcet

.gitignore

@@ -50,4 +50,6 @@ model.sql
 /public/assets/*.txt
 /.env.local
 /.phpunit.cache/
-docker-compose/mysql/model/*.sql
+docker-compose/mysql/model/*.sql
+public/assets/css/*.css.map
+public/assets/*.js.map

app/Repositories/DoctrineUserRepository.php

@@ -127,4 +127,12 @@ public function getByVerificationEmailToken(string $token): ?User
             'email_verified_token_hash' => User::createConfirmationTokenHash($token)
         ]);
     }
+
+    public function getByIdWithGroups(int $id): ?User {
+        return $this->_em->createQuery(
+            'SELECT u, g FROM ' .User::class . ' u
+         LEFT JOIN FETCH u.groups g
+         WHERE u.id = :id'
+        )->setParameter('id', $id)->getOneOrNullResult();
+    }
 }

app/libs/Auth/AuthService.php

@@ -389,7 +389,7 @@ public function getUserByUsername(string $username): ?User
      */
     public function getUserById(int $id): ?User
     {
-        return $this->user_repository->getById($id);
+        return $this->user_repository->getByIdWithGroups($id);
     }
 
     // Authentication

app/libs/Auth/Repositories/IUserRepository.php

@@ -43,4 +43,6 @@ public function getByIdentifier($user_identifier):?User;
      * @return User|null
      */
     public function getByVerificationEmailToken(string $token):?User;
+
+    public function getByIdWithGroups(int $id): ?User;
 }