An IRC bot for looking up APRS checkins using node.js and node-irc.

aprsbot.js

var irc = require('irc');
var http = require('http');

var name = 'aprsbot';
var channel = '#avgeek';
var api_key = 'XXXXX';

var client = new irc.Client('irc.freenode.net', name, {channels: [channel]})

client.addListener('message', function(from, to, message) {
  // Speak when spoken to
  if (message.indexOf(name) === 0) {
    var action = message.replace(name + ':', '').trim();
    // Map a name to a callsign, otherwise pass callsign through.
    if (action === 'adam') {
      action = 'kc0ylk';
    }
    
    console.log('action: ' + action);
    
    // Get info
    var options = {
      host: 'api.aprs.fi',
      port: 80,
      path: '/api/get?name=' + action + '&what=loc&apikey=' + api_key + '&format=json'
    }
    
    // Accumulate data
    var data = '';
    http.get(options, function(res) {
      res.on('data', function(chunk) {
        data += chunk;
      }).on('end', function(chunk) {
        if (chunk !== undefined) {
          data += chunk;
        }
        console.log(data);
        var parsed = JSON.parse(data);
        var entry = parsed['entries'][0];
        var time = new Date(entry.lasttime * 1000)
        // Say response in channel
        client.say(channel, entry.name + ': (' + entry.lat + ',' + entry.lng + ') at ' + time.toUTCString());
        client.say(channel, 'More info: http://aprs.fi/?call=' + action);
      }).on('error', function(e) {
        console.log('error: ' + e.message);
      });
    });
  }
});