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Library Helper

A userscript that display links between different libraries and book stores.

  1. // ==UserScript==
  2. // @name         Library Helper
  3. // @namespace    https://github.com/chihchun
  4. // @version      1.17
  5. // @description  A userscript that display links between different libraries and book stores.
  6. // @author       Rex Tsai <rex.cc.tsai@gmail.com>
  7. // @match        https://book.tpml.edu.tw/bookDetail/*
  8. // @match        https://book.douban.com/subject/*
  9. // @match        https://books.google.com.tw/books*
  10. // @match        https://books.google.com/books*
  11. // @match        https://books.google.fr/books*
  12. // @match        https://play.google.com/store/books/details/*
  13. // @match        https://play.google.com/store/books/details?id=*
  14. // @match        https://share.readmoo.com/book/*
  15. // @match        https://readmoo.com/book/*
  16. // @match        https://www.amazon.cn/dp/*
  17. // @match        https://www.amazon.cn/gp/product/*
  18. // @match        https://www.amazon.com/*/dp/*
  19. // @match        https://www.amazon.com/gp/product/*
  20. // @match        https://www.books.com.tw/products/*
  21. // @match        https://www.goodreads.com/book/show/*
  22. // @match        https://www.kobo.com/*/ebook*
  23. // @match        https://www.taaze.tw/goods/*
  24. // @match        https://www.taaze.tw/usedList.html?oid=*
  25. // @match        https://www.babelio.com/livres/*
  26. // @match        http://bibliotheque.ville-bobigny.fr/detail-d-une-notice/notice/*
  27. // @match        https://webpac.tphcc.gov.tw/webpac/content.cfm*
  28. // @match        https://www.eslite.com/product/*
  29. // @grant        none
  30. // @require      https://cdnjs.cloudflare.com/ajax/libs/js-yaml/3.13.1/js-yaml.min.js
  31. // @run-at       document-idle
  32. // @license      MIT; https://github.com/chihchun/library-helper/blob/master/LICENSE
  33. // @copyright    2019, chihchun (https://github.com/chihchun)
  34. // @supportURL   https://github.com/chihchun/library-helper/issues
  35. // ==/UserScript==
  36.  
  37. (function() {
  38.     'use strict';
  39.  
  40.     var metadata_yaml = `
  41. amazon.com:
  42.     matches:
  43.         - https://www.amazon.com/gp/product/*
  44.     type: 'XPATH'
  45.     metadata:
  46.         title: "//span[@id='ebooksProductTitle']"
  47.         authors: "//span[contains(@data-a-popover, 'Author Dialog')]/a"
  48.         asin: "//form[@id='sendSample']/input[@name='ASIN.0']/@value"
  49. amazon.com/dp:
  50.     matches:
  51.     - https://www.amazon.com/*
  52.     type: 'XPATH'
  53.     metadata:
  54.         title: "//span[@id='ebooksProductTitle']"
  55.         authors: //span[contains(@class, 'author')]/a
  56.         asin: "//form[@id='sendSample']/input[@name='ASIN.0']/@value"
  57.  
  58. amazon.cn:
  59.     matches:
  60.         - "https://www.amazon.cn/gp/product/*"
  61.         - "https://www.amazon.cn/dp/*"
  62.     type: 'XPATH'
  63.     metadata:
  64.         title: "//span[@id='ebooksProductTitle']"
  65.         authors: "//span[contains(@class,'author')]/a"
  66.         asin: "//form[@id='sendSample']/input[@name='ASIN.0']/@value"
  67.  
  68. babelio.com:
  69.     matches:
  70.         - "https://www.babelio.com/livres/*"
  71.     type: 'XPATH'
  72.     metadata:
  73.         title: "//h1"
  74.         authors: "//span[@itemprop='name']"
  75.  
  76. bibliotheque.ville-bobigny.fr:
  77.     matches:
  78.         - "http://bibliotheque.ville-bobigny.fr/detail-d-une-notice/notice/*"
  79.     type: 'XPATH'
  80.     metadata:
  81.         title: "//title"
  82.         authros: "//a[contains(@class, 'ntc-link-auteur')]"
  83.  
  84. books.com.tw:
  85.     matches: 
  86.         - "https://www.books.com.tw/products/*"
  87.     type: 'XPATH'
  88.     metadata:
  89.         title: "//h1"
  90.         origtitle: "//h2/a[contains(@href,'https://search.books.com.tw/search/query/cat/all/key')]"
  91.         isbn: "//li[contains(text(),'ISBN')]"
  92.         price: "//ul[@class='price']/li/em"
  93.         sellingprice: "//b[@itemprop='price']"
  94.         authors: "//a[contains(@href,'adv_author')]"
  95.         publishdate: "//li[contains(text(),'出版日期')]"
  96.  
  97. books.google.com.tw:
  98.     matches:
  99.         - "https://books.google.com.tw/books/*"
  100.         - "https://books.google.com/books/*"
  101.         - "https://books.google.fr/books/*"
  102.     type: 'XPATH'
  103.     metadata:
  104.         title: "//meta[@property='og:title']/@content"
  105.         authors: "//a[contains(@href,'q=inauthor')]"
  106.  
  107. eslite.com:
  108.     matches:
  109.         - "https://www.eslite.com/product/*"
  110.     type: 'XPATH'
  111.     metadata:
  112.         title: "//div[@class='product-information']//h1"
  113.         authors: "//a[contains(@href,'/search?author')]"
  114.     delaytime: 2000
  115.  
  116. goodreads.com:
  117.     matches:
  118.         - "https://www.goodreads.com/book/show/*"
  119.     type: 'XPATH'
  120.     metadata:
  121.         title: "//meta[@property='og:title']/@content"
  122.         authors: "//a[@class='authorName']/span[@itemprop='name']"
  123.         isbn: "//meta[@property='books:isbn']/@content"
  124.         rating: "//span[@itemprop='ratingValue']"
  125.  
  126. kobo.com:
  127.     matches:
  128.         - "https://www.kobo.com/*"
  129.     type: 'JSON-LD'
  130.     metadata:
  131.         title: '//span[@class="title product-field"]'
  132.         authors: '//a[@class="contributor-name"]'
  133.         origtitle: "//span[contains(@class, 'subtitle')]"
  134.  
  135. play.google.com:
  136.     matches:
  137.         - "https://play.google.com/store/books/details/*"
  138.         - "https://play.google.com/store/books/details?id=*"
  139.     type: 'JSON-LD'
  140.     metadata:
  141.  
  142. readmoo.com:
  143.     matches:
  144.         - "https://share.readmoo.com/book/*"
  145.         - "https://readmoo.com/book/*"
  146.     type: 'XPATH'
  147.     metadata:
  148.         title: "//h2"
  149.         isbn: "//span[@itemprop='ISBN']"
  150.         authors: "//span[@itemprop='name']/a"
  151.  
  152. taaze.tw:
  153.     matches:
  154.         - "https://www.taaze.tw/goods/*"
  155.     type: 'XPATH'
  156.     metadata:
  157.         title: "//div[contains(@class, 'mBody')]//h1"
  158.         origtitle: "//div[contains(@class, 'mBody')]//h2"
  159.         isbn: "//meta[@property='books:isbn']/@content"
  160.         authors: "//div[@class='authorBrand']//a[contains(@href,'rwd_searchResult.html?keyType%5B%5D=2')]"
  161.  
  162. taaze.tw/used:
  163.     matches:
  164.         - "https://www.taaze.tw/usedList.html*"
  165.     type: 'XPATH'
  166.     metadata:
  167.         origtitle: "//div[contains(@class, 'hide')]//div[@class='title-next']"
  168.         authors: "//a[contains(@href,'rwd_searchResult.html?keyType%5B%5D=2')]"
  169.  
  170. tpml.edu.tw:
  171.     matches:
  172.         - "https://book.tpml.edu.tw/bookDetail/*"
  173.     type: 'XPATH'
  174.     metadata:
  175.         title: "//div[@class='bookdata']/h2"
  176.         authors: "//a[contains(@href,'searchField=PN')]"
  177.     delaytime: 1200
  178.     fixtitle: True
  179.  
  180. webpac.tphcc.gov.tw:
  181.     matches:
  182.         - "https://webpac.tphcc.gov.tw/webpac/content.cfm*"
  183.     type: 'XPATH'
  184.     metadata:
  185.         title: "//h2"
  186.         authors: "//div[@class='detail simple']/p[1]"
  187.         isbn: "//div[@class='detail simple']/p[4]"
  188.  
  189. `;
  190.  
  191. var search_yaml = `
  192. 博客來:
  193.     url: "https://search.books.com.tw/search/query/key/"
  194.     languages:
  195.         - "en"
  196.         - "en-US"
  197.         - "zh"
  198.         - "zh-TW"
  199.         - "zh-HK"
  200.         - "zh-CN"
  201.  
  202. 誠品線上:
  203.     url: "https://www.eslite.com/Search?keyword="
  204.     languages:
  205.         - "en"
  206.         - "en-US"
  207.         - "zh"
  208.         - "zh-TW"
  209.         - "zh-HK"
  210.         - "zh-CN"
  211.  
  212. Kobo:
  213.     url: "https://www.kobo.com/tw/zh/search?query="
  214.     languages:
  215.         - "en"
  216.         - "en-US"
  217.         - "zh"
  218.         - "zh-TW"
  219.         - "zh-HK"
  220.         - "zh-CN"
  221.         - "fr"
  222.         - "fr-ca"
  223.         - "fr-fr"
  224.  
  225. GooglePlay:
  226.     url: "https://play.google.com/store/search?c=books&q="
  227.     languages:
  228.         - "en"
  229.         - "en-US"
  230.         - "zh"
  231.         - "zh-TW"
  232.         - "zh-HK"
  233.         - "zh-CN"
  234.         - "fr"
  235.         - "fr-ca"
  236.         - "fr-fr"
  237.  
  238. AmazonCN:
  239.     url: "https://www.amazon.cn/s?rh=n%3A116169071&k="
  240.     languages:
  241.         - "en"
  242.         - "en-US"
  243.         - "zh"
  244.         - "zh-TW"
  245.         - "zh-HK"
  246.         - "zh-CN"
  247.  
  248. 豆瓣:
  249.     url: "https://search.douban.com/book/subject_search?search_text="
  250.     languages:
  251.         - "zh"
  252.         - "zh-TW"
  253.         - "zh-HK"
  254.         - "zh-CN"
  255.  
  256. Goodreads:
  257.     url: "https://www.goodreads.com/search?q="
  258.     languages:
  259.         - "en"
  260.         - "en-US"
  261.         - "zh"
  262.         - "zh-TW"
  263.         - "zh-HK"
  264.         - "zh-CN"
  265.         - "fr"
  266.         - "fr-ca"
  267.         - "fr-fr"
  268.  
  269. Google:
  270.     url: "https://www.google.com/search?tbm=bks&q="
  271.     languages:
  272.         - "en"
  273.         - "en-US"
  274.         - "zh"
  275.         - "zh-TW"
  276.         - "zh-HK"
  277.         - "zh-CN"
  278.         - "fr"
  279.         - "fr-ca"
  280.         - "fr-fr"
  281.  
  282. 北市圖書館:
  283.     url: "https://book.tpml.edu.tw/search?searchField=FullText&searchInput="
  284.     languages:
  285.         - "en"
  286.         - "en-US"
  287.         - "zh"
  288.         - "zh-TW"
  289.         - "zh-HK"
  290.         - "zh-CN"
  291.  
  292. 北市圖書館Hyread:
  293.     url: "https://tpml.ebook.hyread.com.tw/searchList.jsp?search_field=FullText&search_input="
  294.     languages:
  295.         - "zh"
  296.         - "zh-TW"
  297.         - "zh-HK"
  298.  
  299. 北市圖書館UDN讀書館:
  300.     url: "https://reading.udn.com/udnlib/tpml/booksearch?sort=all&opt=all&kw="
  301.     languages:
  302.         - "zh"
  303.         - "zh-TW"
  304.         - "zh-HK"
  305.  
  306. 北區資源中心UDN讀書館:
  307.     url: "https://reading.udn.com/udnlib/publiclib/booksearch?sort=all&opt=all&kw="
  308.     languages:
  309.         - "zh"
  310.         - "zh-TW"
  311.         - "zh-HK"
  312.  
  313. 台灣雲端書庫:
  314.     url: "https://www.ebookservice.tw/#search/"
  315.     languages:
  316.         - "zh"
  317.         - "zh-TW"
  318.         - "zh-HK"
  319.  
  320. 新北市圖書館:
  321.     url: "https://webpac.tphcc.gov.tw/webpac/search.cfm?m=ss&t0=k&c0=and&k0="
  322.     languages:
  323.         - "en"
  324.         - "en-US"
  325.         - "zh"
  326.         - "zh-TW"
  327.         - "zh-HK"
  328.         - "zh-CN"
  329.  
  330. 新北市圖書館Hyread:
  331.     url: "https://tphcc.ebook.hyread.com.tw/searchList.jsp?search_field=FullText&search_input="
  332.     languages:
  333.         - "zh"
  334.         - "zh-TW"
  335.         - "zh-HK"
  336.  
  337. 新北市圖書館UDN讀書館:
  338.     url: "https://reading.udn.com/udnlib/tpc/booksearch?sort=all&opt=all&kw="
  339.     languages:
  340.         - "zh"
  341.         - "zh-TW"
  342.         - "zh-HK"
  343.  
  344. 國立臺灣圖書館Hyread:
  345.     url: "https://ntledu.ebook.hyread.com.tw/searchList.jsp?search_field=FullText&search_input="
  346.     languages:
  347.         - "zh"
  348.         - "zh-TW"
  349.         - "zh-HK"
  350.  
  351. 國立臺灣圖書館UDN讀書館:
  352.     url: "https://reading.udn.com/udnlib/ncl/booksearch?sort=all&opt=all&kw="
  353.     languages:
  354.         - "zh"
  355.         - "zh-TW"
  356.         - "zh-HK"
  357.  
  358. 讀冊:
  359.     url: "https://www.taaze.tw/rwd_searchResult.html?keyword%5B%5D="
  360.     languages:
  361.         - "zh"
  362.         - "zh-TW"
  363.         - "zh-HK"
  364.         - "zh-CN"
  365.  
  366. Readmoo:
  367.     url: "https://share.readmoo.com/search/keyword?q="
  368.     languages:
  369.         - "zh"
  370.         - "zh-TW"
  371.         - "zh-HK"
  372.         - "zh-CN"
  373.  
  374. Amazon:
  375.     url: "https://www.amazon.com/s?i=digital-text&k="
  376.     languages:
  377.         - "en"
  378.         - "en-US"
  379.         - "zh"
  380.         - "zh-TW"
  381.         - "zh-HK"
  382.         - "zh-CN"
  383.         - "fr"
  384.         - "fr-ca"
  385.         - "fr-fr"
  386.  
  387. Babelio:
  388.     url: "https://www.babelio.com/resrecherche.php?Recherche="
  389.     languages:
  390.         - "fr"
  391.         - "fr-ca"
  392.         - "fr-fr"
  393.  
  394. Bobigny:
  395.     url: "http://bibliotheque.ville-bobigny.fr/recherche-catalogue/recherche-simple/simple/Mots%20Notice/0/"
  396.     languages:
  397.         - "fr"
  398.         - "fr-ca"
  399.         - "fr-fr"
  400. `;
  401.  
  402. var keywords = ['title', 'authors', 'origtitle', 'isbn', 'asin'];
  403.  
  404.  
  405.     parse_metadata();
  406.  
  407.     function parse_metadata() {
  408.         var rules = jsyaml.load(metadata_yaml);
  409.         var data = {};
  410.  
  411.         // parse the ld+json
  412.         var jsons = evaluate('//script[@type="application/ld+json"]');
  413.         if(jsons.length > 0) {
  414.             jsons.forEach(function(json) {
  415.                 try {
  416.                     var ld = JSON.parse(json);
  417.                     // console.debug(ld);
  418.                     if(ld['@type'] == "Book") {
  419.                         data['title'] = [ld['name']];
  420.  
  421.                         if(ld['isbn'] != undefined) {
  422.                             data['isbn']= [ld['isbn']];
  423.                         }
  424.  
  425.                         if(ld['workExample'] != undefined && ld['workExample']['isbn'] != undefined ) {
  426.                         data['isbn']= [ld['workExample']['isbn']];
  427.                         }
  428.  
  429.                         data['authors'] = [];
  430.                         if(ld['author'] != undefined) {
  431.                             if(Array.isArray(ld['author'])) {
  432.                                 ld['author'].forEach(function (author) {
  433.                                     data['authors'].push(author['name']);
  434.                                 })
  435.                             } else {
  436.                                 data['authors'].push(ld['author']['name']);
  437.                             }
  438.                         }
  439.                     }
  440.                 } catch(err) {
  441.                     console.error(err, json)
  442.                 }
  443.             })
  444.         }
  445.  
  446.         for (var domain in rules) {
  447.             rules[domain]['matches'].forEach(function (match) {
  448.                 if(document.URL.match(match)) {
  449.                     var metadata = rules[domain]['metadata'];
  450.  
  451.                     // wait for page is loaded
  452.                     let delaytime = 0;
  453.                     if('delaytime' in rules[domain]) {
  454.                         delaytime = rules[domain]['delaytime'];
  455.                     }
  456.                     let fixtitle = 0;
  457.                     if('fixtitle' in rules[domain]) {
  458.                         fixtitle = true;
  459.                     }
  460.  
  461.                     // wait for page content to be loaded
  462.                     setTimeout(function() { 
  463.                         // collect metadata
  464.                         for (var key in metadata) {
  465.                             data[key] = evaluate(metadata[key]);
  466.                         }
  467.  
  468.                         // updates links to other websites
  469.                         if(Object.keys(data).length > 0) {
  470.                             console.debug(data);
  471.                             var dialog = inject();
  472.                             var urlsforsearch = jsyaml.load(search_yaml);
  473.  
  474.                             for (var service in urlsforsearch) {
  475.                                 if(!isPreferLang(urlsforsearch[service]['languages'])) {
  476.                                     continue;
  477.                                 }
  478.  
  479.                                 var url = urlsforsearch[service]['url'];
  480.                                 var html = `<div>${service}: `;
  481.                                 keywords.forEach(function(key) {
  482.                                     if(data[key] != undefined) {
  483.                                         data[key].forEach(function(val) {
  484.                                             var href = url + encodeURI(val);
  485.                                             html += `<a href="${href}" target="_blank">${val}</a> `;
  486.                                         })
  487.                                     }
  488.                                 })
  489.                                 html += "</div>";
  490.                                 dialog.insertAdjacentHTML('beforeend', html)
  491.                             }
  492.                         }
  493.  
  494.                         // fix title for soem sites.
  495.                         if(fixtitle) {
  496.                             document.title = data["title"];
  497.                         }
  498.                     }, delaytime);
  499.                 }
  500.             });
  501.         }
  502.     }
  503.  
  504.     function isPreferLang(offers) {
  505.         var languages = window.navigator.userLanguage || window.navigator.languages || [window.navigator.language];
  506.         var ret = false;
  507.         languages.forEach(function(lang) {
  508.             if(offers.includes(lang)) {
  509.                 ret = true;
  510.             }
  511.         })
  512.         return ret;
  513.     }
  514.  
  515.     function inject () {
  516.         var div = document.createElement('div');
  517.         div.id = "libraryhelper";
  518.         div.className = "libraryhelper";
  519.         div.textContent = 'Library helper';
  520.         // Make the DIV element draggable:
  521.         dragElement(div);
  522.         document.body.appendChild(div);
  523.  
  524.         var style = document.createElement('style');
  525.         style.innerHTML = `
  526.   div.libraryhelper {
  527.     color: blueviolet;
  528.     border: 1px solid #d3d3d3;
  529.     background-color: rgba(255, 255, 255, 0.6);
  530.  
  531.     position: fixed;
  532.     top: 150px;
  533.     right: 0px;
  534.  
  535.     width: 30vw;
  536.     max-height: 50vh;
  537.     padding: 10px;
  538.  
  539.     overflow-x: scroll;
  540.     cursor: move;
  541.     z-index: 9999;
  542.   }
  543. `;
  544.         document.head.appendChild(style);
  545.         return div;
  546.     }
  547.  
  548.  
  549.     function dragElement(elmnt) {
  550.         var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
  551.         if (document.getElementById(elmnt.id + "header")) {
  552.             // if present, the header is where you move the DIV from:
  553.             document.getElementById(elmnt.id + "header").onmousedown = dragMouseDown;
  554.         } else {
  555.             // otherwise, move the DIV from anywhere inside the DIV:
  556.             elmnt.onmousedown = dragMouseDown;
  557.         }
  558.  
  559.         function dragMouseDown(e) {
  560.             e = e || window.event;
  561.             e.preventDefault();
  562.             // get the mouse cursor position at startup:
  563.             pos3 = e.clientX;
  564.             pos4 = e.clientY;
  565.             document.onmouseup = closeDragElement;
  566.             // call a function whenever the cursor moves:
  567.             document.onmousemove = elementDrag;
  568.         }
  569.  
  570.         function elementDrag(e) {
  571.             e = e || window.event;
  572.             e.preventDefault();
  573.             // calculate the new cursor position:
  574.             pos1 = pos3 - e.clientX;
  575.             pos2 = pos4 - e.clientY;
  576.             pos3 = e.clientX;
  577.             pos4 = e.clientY;
  578.             // set the element's new position:
  579.             elmnt.style.top = (elmnt.offsetTop - pos2) + "px";
  580.             elmnt.style.left = (elmnt.offsetLeft - pos1) + "px";
  581.         }
  582.  
  583.         function closeDragElement() {
  584.             // stop moving when mouse button is released:
  585.             document.onmouseup = null;
  586.             document.onmousemove = null;
  587.         }
  588.     }
  589.  
  590.     function evaluate(xpath, doc = document.documentElement) {
  591.         var evaluator = new XPathEvaluator(); 
  592.         var result = evaluator.evaluate(xpath, doc, null, XPathResult.ANY_TYPE, null);
  593.         var node = undefined;
  594.         var texts = [];
  595.  
  596.         while(node = result.iterateNext()) {
  597.             var text;
  598.  
  599.             if (node instanceof Attr) {
  600.                 text = node.value
  601.             } else {
  602.                 text = node.innerText;
  603.             }
  604.             if(text == undefined || text == 'null') {
  605.                 console.error(xpath + " not found on " + document.URL);
  606.                 continue;
  607.             }
  608.             // fixing up content
  609.             text = text.replace("ISBN：", "").
  610.                     replace("作者 :", "").
  611.                     replace("出版日期：", "").
  612.                     replace(" (電子書)", "");
  613.             const subtitles = text.split('：');
  614.             if(subtitles.length > 1) {
  615.                 texts.push(subtitles[0]);
  616.             }
  617.             texts.push(text);
  618.         }
  619.         return texts;
  620.     }
  621. })();

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