public function recupUser()
 {
     // si le champs num client est rempli
     if (isset($_POST['num-client']) && !empty($_POST['num-client'])) {
         $userId = $_POST['num-client'];
     } else {
         $this->redirectToRoute('create_user');
     }
     if (!is_numeric($userId)) {
         $this->redirectToRoute('create_user');
     }
     // je vérifie si l'id existe en DB
     $userManager = new \Manager\UserManager();
     $idExist = $userManager->idExists($userId);
     // si oui je recup les infos
     if ($idExist) {
         $currentUser = $userManager->find($userId);
         // je verifie si les champs nom et prenom sont remplis
         if (isset($_POST['nom']) && isset($_POST['prenom']) && !empty($_POST['nom']) && !empty($_POST['prenom'])) {
             $nom = trim($this->minusculesSansAccents($_POST['nom']));
             $prenom = trim($this->minusculesSansAccents($_POST['prenom']));
             $nomDB = $this->minusculesSansAccents($currentUser['nom']);
             $prenomDB = $this->minusculesSansAccents($currentUser['prenom']);
             if ($nom == $nomDB && $prenom == $prenomDB) {
                 $this->show('user/recup_user', ['currentUser' => $currentUser]);
             }
         }
         $this->redirectToRoute('create_user');
     }
     $this->redirectToRoute('create_user');
 }