Envelope/mobile/lib/utils/storage/session_cookie.dart

import 'package:shared_preferences/shared_preferences.dart';

const sessionCookieName = 'sessionCookie';

void setSessionCookie(String cookie) async {
    final prefs = await SharedPreferences.getInstance();
    prefs.setString(sessionCookieName, cookie);
}

void unsetSessionCookie() async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.remove(sessionCookieName);
}

Future<String> getSessionCookie() async {
    final prefs = await SharedPreferences.getInstance();
    String? sessionCookie = prefs.getString(sessionCookieName);
    if (sessionCookie == null) {
        throw Exception('No session cookie set');
    }

    return sessionCookie;
}