diff --git a/Project/php/model/MdlStudent.php b/Project/php/model/MdlStudent.php
old mode 100644
new mode 100755
index a59b21a..ee61eee
--- a/Project/php/model/MdlStudent.php
+++ b/Project/php/model/MdlStudent.php
@@ -2,24 +2,24 @@
 
 namespace model;
 use config\Connection;
-require_once('../config/Connection.php');
-require_once('Student.php');
+use http\Exception;
+use model\UserGateway;
 
 class MdlStudent
 {
+    protected UserGateway $gtw;
+
+    public function __construct($gtw){
+        $this->gtw = $gtw;
+
+    }
     public function connection($login, $mdp){
         // 1. Nettoyage des données (vous pouvez utiliser des méthodes de nettoyage spécifiques)
         $cleanedLogin = strip_tags($login);
         $cleanedPassword = strip_tags($mdp);
 
         // 2. Appel Gateway pour vérifier les identifiants dans la base de données
-        $db = new Connection('mysql:host=localhost;dbname=ma_base', 'utilisateur', 'mot_de_passe');
-        $query = $db->prepare('SELECT * FROM Student_ WHERE login = :login AND password = :password');
-        $query->bindParam(':login', $cleanedLogin, PDO::PARAM_STR);
-        $query->bindParam(':password', $cleanedPassword, PDO::PARAM_STR);
-        $query->execute();
-
-        $student = $query->fetch(PDO::FETCH_ASSOC);
+        $student = $this->gtw->findUserByLoginPassword($cleanedLogin,$cleanedPassword);
 
         if ($student) {
             // L'authentification a réussi, ajouter le rôle et le login à la session
@@ -28,7 +28,7 @@ class MdlStudent
             $_SESSION['login'] = $cleanedLogin;
             return true;
         } else {
-            // L'authentification a échoué
+            throw Exception('problème d\'authentification');
             return false;
         }
     }
@@ -45,9 +45,11 @@ class MdlStudent
             //Créer une classe nettoyer
             $login=Nettoyer::nettoyer_string($_SESSION['login']);
             $role=Nettoyer::nettoyer_string($_SESSION['role']);
-            return	new	Student($login,$role);
+            return self::$gtw->findUserByEmail($login);
         }
         else return null;
     }
 */
-}
\ No newline at end of file
+
+}
+
diff --git a/Project/php/model/Student.php b/Project/php/model/Student.php
deleted file mode 100644
index 7926066..0000000
--- a/Project/php/model/Student.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-
-namespace model;
-
-use JetBrains\PhpStorm\Pure;
-require_once('User.php');
-class Student extends User
-{
-    public string $nickname;
-    protected bool $extraTime;
-
-    /**
-     * @param String $nickname
-     * @param bool $extraTime
-     */
-    #[Pure] public function __construct(string $id, string $mail, string $nom, string $prenom, string $nickname, bool $extraTime)
-    {
-        parent::__construct($id,$mail, $nom, $prenom);
-        $this->nickname = $nickname;
-        $this->extraTime = $extraTime;
-    }
-
-    /**
-     * @return bool
-     */
-    public function isExtraTime(): bool
-    {
-        return $this->extraTime;
-    }
-
-    /**
-     * @param bool $extraTime
-     */
-    public function setExtraTime(bool $extraTime): void
-    {
-        $this->extraTime = $extraTime;
-    }
-
-    /**
-     * @param String $nickname
-     */
-    public function setNickname(string $nickname): void
-    {
-        $this->nickname = $nickname;
-    }
-
-    public function getNickname(): string
-    {
-        return $this->nickname;
-    }
-
-
-
-
-}
\ No newline at end of file