!752

static S html(S subUri, Map<S, S> params) {
  //ret "URI is: " + quote(subUri) + ", params are: " + structure(params);
  
  S slackInviteUrl = "https://nlbots.slack.com/api/users.admin.invite?t=" + now()/1000; // PHP time()
  S token = loadSecretTextFileMandatory("#1001925", "nlbots-slack-token").trim();
  
  S email = params.get("email");
  if (isEmpty(email)) ret "Error, no e-mail given";
  S autoJoinChannels = "C0FHTG6SY,C0FHTG6UC";

  Map fields = litmap(
    "email", email,
    "channels", autoJoinChannels,
    "first_name", "",
    "token", token,
    "set_active", "true",
    "_attempts", "1"
  );

  S data = doPost(fields, slackInviteUrl);
  print(data);
  Map map = jsonDecodeMap(data);
  if (booleanValue(map.get("ok")))
    ret "OK, invitation sent to: " + email;
  else if (eq(map.get("error"), "already_invited"))
    ret "You have already been invited... if you think this is an error, please contact info@superinformatiker.de.";
  else
    ret "Sorry, error...";
}