@RolesAllowed("user")
  @GET
  @Path("/list")
  @Produces("application/json")
  public Response listDebates() {

    PolarizedRoomDAO polarizedRoomDAO = new PolarizedRoomDAO();

    List<PolarizedRoom> polarizedRoom = polarizedRoomDAO.getAll();

    ResponseBuilder builder;

    builder = Response.status(Response.Status.OK).entity(polarizedRoom);

    return builder.build();
  }