public function addUser(Request $request, Response $response, $args)
    {
        if (isset($_POST['username']) && isset($_POST['email']) && isset($_POST['password'])) {

            $username = $_POST['username'];
            $email = $_POST['email'];
            $password = $_POST['password'];

            $errors = array();

            if ($username != filter_var($username, FILTER_SANITIZE_STRING)) {
                array_push($errors, "Nom invalide, merci de corriger");
            }
            if ($email != filter_var($email, FILTER_VALIDATE_EMAIL)) {
                array_push($errors, "Adresse email invalide, merci de corriger");
            } else {
                $emailVerif = \App\Models\Users::where('email', $email)->get();
                if (sizeof($emailVerif) != 0) {
                    array_push($errors, "Un compte a déjà été créé avec cette adresse email ou ce pseudo");
                }
            }
            if ($password != filter_var($password, FILTER_SANITIZE_STRING)) {
                array_push($errors, "Mot de passe invalide, merci de corriger");
            }

            if (sizeof($errors) == 0) {
                $username = filter_var($username, FILTER_SANITIZE_STRING);
                $email = filter_var($email, FILTER_SANITIZE_EMAIL);
                $password = password_hash($password, PASSWORD_DEFAULT, array(
                    'cost' => 12,
                ));

                $user = new \App\Models\Users();
                $user->id = uniqid();
                $user->nom = $nom;
                $user->prenom = $prenom;
                $user->email = $email;
                $user->telephone = $tel;
                $user->motdepasse = $pass;
                $user->save();

                $_SESSION['uniqid'] = $user->id;
                $_SESSION['type'] = 'user';

                if (isset($_SESSION['route'])) {
                    $derniere_route = $_SESSION['route'];
                    unset($_SESSION['route']);
                    return $response->withStatus(302)->withHeader('Location', $derniere_route);
                } else {
                    return $response->withRedirect($this->router->pathFor('homepage'));
                }

            } else {
                return $this->view->render($response, 'signup.twig', array('errors' => $errors));

            }
        } else {
            return $response->withRedirect($this->router->pathFor('homepage'));

        }
    }