bitly_referred.user.js

// ==UserScript==
// @name           bit.ly referred
// @namespace      http://nanto.asablo.jp/blog/
// @include        http://*
// ==/UserScript==

var apiKey = '&login=___&apiKey=___';

var siteinfo = GM_getValue('siteinfo', '');
if (siteinfo) {
  callback(siteinfo);
} else {
  console.log('no siteinfo');
  GM_xmlhttpRequest({
    method: 'GET',
    url: 'http://wedata.net/databases/LDRize/items.json',
    onload: function (res) {
      console.log('got siteinfo');
      GM_setValue('siteinfo', res.responseText);
      callback(res.responseText);
    }
  });
}

function callback(siteinfo) {
  console.log('callback begin');
  var loc = location.href;
  var sites = eval(siteinfo);
  var siteData = null;
  for (var i = 0; i < sites.length; i++) {
    var data = sites[i].data;
    if (loc.match(data.domain)) {
      siteData = data;
      break;
    }
  }
  if (!siteData) return;
  console.log('paragraph = ' + data.paragraph);
  $X(data.paragraph).forEach(function (p) {
    var link = data.link ? $X(data.link, p)[0] : p;
    var href = link.href;
    console.log('href = ' + href);
    GM_xmlhttpRequest({
      method: 'GET',
      url: 'http://api.bit.ly/shorten?version=2.0.1&longUrl=' + encodeURIComponent(href) + apiKey,
      onload: function (res) {
        var hash = eval('(' + res.responseText + ')').results[href].hash;
        console.log([href, hash].join('\n'));
        GM_xmlhttpRequest({
          method: 'GET',
          url: 'http://api.bit.ly/stats?version=2.0.1&hash=' + hash + apiKey,
          onload: function (res) {
            console.log(res.responseText);
            var count = JSON.parse(res.responseText).results.clicks;
            var text = document.createTextNode(" " + count + ' clicks');
            link.parentNode.insertBefore(text, link.nextSibling);
          }
        });
      }
    });
  });
  console.log('end');
}

function $X(xpath, context) {
  var res = document.evaluate(xpath, context || document, null, 7, null);
  var result = [];
  for (var i = 0; i < res.snapshotLength; i++)
    result.push(res.snapshotItem(i));
  return result;
}