public void HideIndicator(User user, Indicator indicator)
{
UserIndicator toHide = userIndicatorRepository.Get(user, indicator);
if (!userIndicatorRepository.Has(toHide))
{
throw new DoesNotExistsException("Indicador no existe");
}
toHide.visible = false;
userIndicatorRepository.Update(toHide);
userIndicatorRepository.Save();
}