///
  ///metodo per ottenere la beonlist dell'utente
  ///
  Future createBeonList() async {
    newBeonListUser = [];
    var beonIdFromStorage = [];
    if (window.localStorage.containsKey('beonListiD')) {
      if (window.localStorage['beonListiD'].length > 1) {
        beonIdFromStorage = window.localStorage['beonListiD'].split(',');
      } else {
        beonIdFromStorage.add(window.localStorage['beonListiD']);
      }
      beonIdFromStorage = window.localStorage['beonListiD'].split(',');
    }
    if (beonListIdUser.isEmpty) {
      beonListIdUser = beonIdFromStorage;
    }
    var productInBeon = await db.collection('Product').get();
    beonListIdUser.forEach((beonId) {
      productInBeon.forEach((doc) {
        if (doc.id == beonId) {
          newBeonListUser.add(ProductInBeon(
              doc.id, doc.data()['Name'], doc.data()['PhotoURL']));
        }
      });
    });
  }