@ApiMethod(name = "updateInvoiceStatus")
  public void updateInvoiceStatus(InvoiceEntity valueToUpdateStatus) {

    ofy().save().entity(valueToUpdateStatus).now();

    long invoiceId = valueToUpdateStatus.getId();

    ReceivableEntity fetchedReceivableEntity =
        ofy().load().type(ReceivableEntity.class).filter("invoiceId = ", invoiceId).first().now();

    if (fetchedReceivableEntity != null) {
      fetchedReceivableEntity.setStatus(valueToUpdateStatus.getStatus());
      ofy().save().entity(fetchedReceivableEntity).now();
    }
  }