kara/plugins/whois.js

A third generation EX-400 android

var Whois = module.exports = function Whois(bot) {

  function hook(msg) {
    if (/^whois\b/.test(msg.body)) {
      msg.tokens = msg.body.trim().split(/\s+/);
      msg.query  = msg.tokens[1];

      if (!msg.query) {
        return bot.reply(msg, "try whois <nick>");
      }

      bot.enqueue(function(next) { onWhois(msg, next) });
    }
  }

  function onWhois(msg, next) {

    function onWhoisUser(res) {
      var str = [res.name, " is logged in as ", res.nick, " (", res.host, ")"].join("");
      bot.reply(msg, str);
    }

    function onWhoisNotFound(res) {
      var str = [res.nick, " is not logged in"].join("");
      bot.reply(msg, str);
    }

    function onWhoisEnd(res) {
      bot.removeListener("whois:user",      onWhoisUser);
      bot.removeListener("whois:notfound",  onWhoisNotFound);
      next();
    }

    bot.once("whois:user",      onWhoisUser);
    bot.once("whois:notfound",  onWhoisNotFound);
    bot.once("whois:end",       onWhoisEnd);

    bot.send("WHOIS", [msg.query]);
  }

  this.enable = function enable() {
    bot.on("msg:direct", hook);
  };

  this.disable = function disable() {
    bot.removeListener("msg:direct", hook);
  };

};