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!7

concept User {
  S name;
  SecretValue<S> password = new(aGlobalID());
  S contact; // e.g. mail address
}

extend AuthedDialogID {
  new Ref<User> user; // who is logged in
}

concept UserCreatedObject {
  new Ref<User> creator;
  S repoName; // unique by user, for URL
}

concept UserPost > UserCreatedObject {
  S text;
}

concept PostReference {
  new Ref<UserPost> post;
  new Ref<Concept> referenced;
  S as;
}

cmodule GazelleExamples > DynNewBot2 {
  void start {
    botName = heading = "Gazelle Examples";
    adminName = heading + " Admin";
    set enableUsers;
    super.start();
    indexConceptFieldCI(User, "name");
  }

  L<Class> crudClasses(bool masterAuthed) {
    L<Class> l = super.crudClasses(masterAuthed);
    if (masterAuthed)
      ret listPlus(l, User.class, UserPost.class);
    ret l;
  }

  S serveRegisterForm(SS params) {
    S redirect = params.get("redirect");
    redirect = dropParamFromURL(redirect, "logout"); // don't log us out right again
    if (empty(redirect)) redirect = baseLink + "/";
    ret hhtml(hhead(htitle("Register new user")
      + hsansserif() + hmobilefix()) + hbody(hfullcenter(
      h3_htmlEncode(adminName + " | Register new user")
      + hpostform(
          hhidden(+redirect)
          + tag table(
            tr(td("Choose a user name:") + td(hinputfield("user", params.get("user"))) + td())
          + tr(td("Choose a password:") + td(hpassword("pw", params.get("pw"))))
          + tr(td() + td(hsubmit("Register")))),
        action := baseLink + "/register")
      )));
  }
  
  O html(IWebRequest request) enter {
    S uri = request.uri();
    if (eq(uri, "/register"))
      ret serverRegisterForm(params);
  }
}