List<DropdownMenuItem<SessionsEntity>> buildDropdownMenuItems(List sessions) {
    List<DropdownMenuItem<SessionsEntity>> items = List();
    for (SessionsEntity session in sessions) {
      items.add(
        DropdownMenuItem(
          value: session,
          child: Directionality(
              textDirection: TextDirection.rtl,
              child: Text(session.sessionName,
                  textAlign: TextAlign.right,
                  textDirection: TextDirection.rtl,
                  style: Theme.of(context).textTheme.caption.copyWith(
                  color: Colors.black,
                  fontFamily: 'ShabnamLight'
              ))),
        ),
      );
    }
    return items;
  }