Adds various features to Shush.se

shush.se-x.user.js

// ==UserScript==
// @name         Shush.se - Extra Features
// @namespace    https://gist.github.com/JCGrant/45fdb9a8a14d7c05dc6ac70123f2d7cb
// @version      0.5
// @description  Adds various features to Shush.se
// @author       JCGrant
// @match        http://www.shush.se/index.php*
// @grant        none
// @updateURL    https://gist.github.com/JCGrant/45fdb9a8a14d7c05dc6ac70123f2d7cb/raw/shush.se-x.user.js
// ==/UserScript==

(function() {
  'use strict';

  function getQueryValues(key) {
    var query = window.location.search.substring(1);
    var values = query.split('&')
      .map(function(pairStr) {
        return pairStr.split('=');
      })
      .filter(function(pair) {
        return pair[0] == key;
      })
      .map(function(pair) {
        return pair[1];
      });
    return values;
  }

  var showName = getQueryValues('show')[0];
  var episodeId = parseInt(getQueryValues('id')[0]);
  var prevEpisodeId = episodeId - 1;
  var nextEpisodeId = episodeId + 1;

  var prevEpisodeLink = document.createElement('a');
  prevEpisodeLink.href = '?id=' + prevEpisodeId + '&show=' + showName;
  prevEpisodeLink.innerText = 'Prev Episode';

  var nextEpisodeLink = document.createElement('a');
  nextEpisodeLink.href = '?id=' + nextEpisodeId + '&show=' + showName;
  nextEpisodeLink.innerText = 'Next Episode';

  var episodeListLink = document.createElement('a');
  episodeListLink.href = '?showlist=' + showName;
  episodeListLink.innerText = 'Episode List';

  var div = document.getElementsByClassName('episode')[0];
  div.innerHTML += '<br/>';
  div.appendChild(prevEpisodeLink);
  div.innerHTML += ' | ';
  div.appendChild(nextEpisodeLink);
  div.innerHTML += ' | ';
  div.appendChild(episodeListLink);


})();