public String shareVS(int vsId, String nick) {
Query vsquery =
em.createQuery("SELECT v FROM VirtualStorage v WHERE v.id=:vsId")
.setParameter("vsId", vsId);
VirtualStorage virtualStorage = (VirtualStorage) vsquery.getResultList().get(0);
Query userquery =
em.createQuery("SELECT u FROM Usuario u WHERE u.nick=:nick").setParameter("nick", nick);
List<Usuario> result = (List<Usuario>) userquery.getResultList();
if (result != null && !result.isEmpty()) {
Usuario newfollower = (Usuario) result.get(0);
Set<VirtualStorage> following = newfollower.getTenantSeguidor();
following.add(virtualStorage);
newfollower.setTenantSeguidor(following);
em.merge(newfollower);
em.flush();
return "Seguidor agregado correctamente.";
} else {
return "No existe el usuario seguidor.";
}
}
