Geo Service

geo.js

var http = require('http');

exports.latlong = function(params, cb) {
  var url,
  address = params.address,
  data = '';

  url = 'http://maps.googleapis.com/maps/api/geocode/json?address=' +
  address + '&sensor=false';

  http.get(url, function(res) {

    if (res.statusCode !== 200) {
      return cb(null, "0,0");
    }

    res.setEncoding('utf8');

    res.on('data', function (chunk) {
      data += chunk;
    });

    res.on('end', function() {
      var jsonRes = JSON.parse(data),
      response;

      if (jsonRes.status === 'OK') {
        response = jsonRes.results[0].geometry.location.lat + ',' + jsonRes.results[0].geometry.location.lng;
        return cb(null, response);
      } else {
        return cb(null, '0,0');
      }
    });
  });
}