public void clientReport(){
        int i=1, index=0;
        User tmpUser;
        for(User usr : this.allUsers){
            Consola.escriu(i+". "+usr.getNickname());
            i++;
        }
        Consola.escriu("Select User");
        index=Consola.llegeixInt();
        if((index<=this.allUsers.size()) && (index>0)){
            tmpUser=this.allUsers.get(index-1);
            tmpUser.report();
        }
    }