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FDU_Class_Schedule_Generator

Generate an .ics format document from eHall(https://my.fudan.edu.cn/list/bks_xx_kcb)

当前为 2020-07-15 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name FDU_Class_Schedule_Generator
  3. // @name:zh 复旦大学课表生成器
  4. // @description Generate an .ics format document from eHall(https://my.fudan.edu.cn/list/bks_xx_kcb)
  5. // @description:zh 从eHall个人信息（https://my.fudan.edu.cn/list/bks_xx_kcb）生成ics格式的课表
  6. // @version 0.1.7
  7. // @include https://my.fudan.edu.cn/list/bks_xx_kcb
  8. // @supportURL qsliu2017@outlook.com
  9. // @namespace https://greasyfork.org/users/666994
  10. // ==/UserScript==
  11.  
  12.  
  13. function chooseSemester() {
  14.     //get semesters id
  15.     const nav = document.getElementsByClassName("nav")[0];
  16.     semesters = {};
  17.     for (const child of nav.children) {
  18.         const semesterNavReg = /nav-(\d{10})/;
  19.         if (semesterNavReg.test(child.id))
  20.             semesters[RegExp.$1] = child.firstElementChild.innerHTML;
  21.     }
  22.  
  23.     //generate choose form
  24.     let formHTML = "";
  25.     for (const semestersId in semesters) {
  26.         formHTML += `
  27. <div class="radio">
  28.   <label>
  29.     <input type="radio" name="semesterOption" id="${semestersId}" value="${semestersId}">
  30.     ${semesters[semestersId]}
  31.   </label>
  32. </div>
  33. `
  34.     }
  35.  
  36.     //include bootstrap
  37.     let headElement = document.getElementsByTagName('head')[0];
  38.     headElement.innerHTML += `
  39.     <link href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" rel="stylesheet">
  40.     <script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script>
  41.     <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script>
  42.     `;
  43.  
  44.     //generate choose modal
  45.     let bodyElement = document.getElementsByTagName('body')[0];
  46.     bodyElement.innerHTML += `
  47.     <!-- Modal -->
  48.     <div class="modal fade" id="chooseModal" tabindex="-1" role="dialog" aria-labelledby="chooseModalLabel">
  49.     <div class="modal-dialog" role="document">
  50.     <div class="modal-content">
  51.     <div class="modal-header">
  52.     <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
  53.     <h4 class="modal-title" id="chooseModalLabel">选择学期</h4>
  54.     </div>
  55.     <form name="chooseForm" class="modal-body">
  56.     ${formHTML}
  57.     </form>
  58.     <div class="modal-footer">
  59.     <button class="btn btn-primary" id="chooseModalSubmit" data-dismiss="modal">生成课表</button>
  60.     </div>
  61.     </div>
  62.     </div>
  63.     </div>
  64.     `
  65.     document.getElementById("chooseModalSubmit").addEventListener("click",
  66.         () => {
  67.             //    $('#chooseModal').modal('hide');
  68.             generateClassSchedule();
  69.         }
  70.     )
  71.     $('#chooseModal').modal('show');
  72. }
  73.  
  74. function chooseFirstDate(semesterId) {
  75.     let bodyElement = document.getElementsByTagName('body')[0];
  76.     bodyElement.innerHTML += `
  77.     <!-- Modal -->
  78.     <div class="modal fade" id="chooseFirstDateModal" tabindex="-1" role="dialog" aria-labelledby="chooseFirstDateModalLabel">
  79.     <div class="modal-dialog" role="document">
  80.     <div class="modal-content">
  81.     <div class="modal-header">
  82.     <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
  83.     <h4 class="modal-title" id="chooseFirstDateModalLabel">选择这个学期的起始</h4>
  84.     </div>
  85.     <div class="modal-body">
  86.     <p>请从<a href="http://www.jwc.fudan.edu.cn/">教务处</a>找到这个学期的起始，即第0周的星期日</p>
  87.     <form name="chooseFirstDateForm">
  88.     <input type="datetime-local" name="fisrtDate" id="firstDate">
  89.     </form>
  90.     </div>
  91.     <div class="modal-footer">
  92.     <button class="btn btn-primary" id="chooseFirstDateModalSubmit" data-dismiss="modal">选择</button>
  93.     </div>
  94.     </div>
  95.     </div>
  96.     </div>
  97.     `
  98.     document.getElementById("#chooseFirstDateModalSubmit").addEventListener("click",
  99.         () => {
  100.             //  $('#chooseFirstDateModal').modal('hide');
  101.             getFirstDate(semesterId);
  102.         }
  103.     )
  104.     $('#chooseFirstDateModal').modal('show');
  105. }
  106.  
  107. function getFirstDate(semesterId) {
  108.     const firstDate = document.chooseFirstDateForm.fisrtDate.value;
  109.     FirstdateOfSemester = firstDate.slice(0, 10);
  110.     includeFileSaver();
  111.     let blob = new Blob([iCalendarFormatter.ClassesCalendar(getClasses(semesterId))], { type: "text/plain;charset=utf-8" });
  112.     saveAs(blob, semesters[semesterId] + ".ics");
  113. }
  114.  
  115. function generateClassSchedule() {
  116.     const semesterId = document.chooseForm.semesterOption.value;
  117.     PublicClassTime = getPublicClassTime(semesterId);
  118.     chooseFirstDate(semesterId);
  119. }
  120.  
  121. class ClassTimeAndPlace {
  122.  
  123.     //教室、上课时间、上课周
  124.     constructor(classroom, time, weeks) {
  125.         this.classroom = classroom;
  126.         this.parseTime(time);
  127.         this.parseWeeks(weeks);
  128.     }
  129.  
  130.     //把上课时间转化为Datetime格式
  131.     parseTime(time) {
  132.         const timeReg = /星期(.) 第(\d*)-(\d*)节/;
  133.         if (timeReg.exec(time)) {
  134.             this.weekday = ClassTimeAndPlace.WEEKDAYS()[RegExp.$1];
  135.             this.starttime = PublicClassTime[parseInt(RegExp.$2) - 1][0];
  136.             this.endtime = PublicClassTime[parseInt(RegExp.$3) - 1][1];
  137.         }
  138.     }
  139.  
  140.     //把上课周转化为数组
  141.     parseWeeks(weeks) {
  142.         const weeksReg = /(\d+-\d+|\d)/g,
  143.             weekReg = /(\d+)/,
  144.             durationReg = /(\d+)-(\d+)/;
  145.         this.weeks = [];
  146.         let weekDurations = [];
  147.         while (weeksReg.test(weeks)) {
  148.             weekDurations.push(RegExp.$1);
  149.         }
  150.         for (const duration of weekDurations) {
  151.             if (durationReg.test(duration)) {
  152.                 this.weeks.push(
  153.                     [firstDatetimeOfWeek(parseInt(RegExp.$1)),
  154.                     lastDatetimeOfWeek(parseInt(RegExp.$2))]);
  155.             }
  156.             else if (weekReg.test(duration)) {
  157.                 this.weeks.push(
  158.                     [firstDatetimeOfWeek(parseInt(RegExp.$1)),
  159.                     lastDatetimeOfWeek(parseInt(RegExp.$1))])
  160.             }
  161.         }
  162.     }
  163.  
  164.     //获取第一次课的开始时间
  165.     getFirstStartDatetime() {
  166.         const firstWeek = this.weeks[0][0],
  167.             firstDate = dateToDatetime(new Date(datetimeToDate(firstWeek).getTime() + ClassTimeAndPlace.WEEKDAYS_TO_NUM()[this.weekday] * 24 * 60 * 60 * 1000));
  168.         return firstDate.slice(0, -6) + this.starttime;
  169.     }
  170.  
  171.     //获取第一次课的结束时间
  172.     getFirstEndDatetime() {
  173.         const firstWeek = this.weeks[0][0],
  174.             firstDate = dateToDatetime(new Date(datetimeToDate(firstWeek).getTime() + ClassTimeAndPlace.WEEKDAYS_TO_NUM()[this.weekday] * 24 * 60 * 60 * 1000));
  175.         return firstDate.slice(0, -6) + this.endtime;
  176.     }
  177.     static WEEKDAYS() {
  178.         return {
  179.             "日": "SU",
  180.             "一": "MO",
  181.             "二": "TU",
  182.             "三": "WE",
  183.             "四": "TH",
  184.             "五": "FR",
  185.             "六": "SA"
  186.         }
  187.     }
  188.     static WEEKDAYS_TO_NUM() {
  189.         return {
  190.             "SU": 0,
  191.             "MO": 1,
  192.             "TU": 2,
  193.             "WE": 3,
  194.             "TH": 4,
  195.             "FR": 5,
  196.             "SA": 6
  197.         }
  198.     }
  199. }
  200.  
  201. class Class {
  202.     constructor(id, name) {
  203.         this.id = id;
  204.         this.name = name;
  205.         this.timeAndPlace = [];
  206.     }
  207.     AddTimeAndPlace(classroom, time, weeks) {
  208.         this.timeAndPlace.push(new ClassTimeAndPlace(classroom, time, weeks));
  209.     }
  210. }
  211.  
  212. function getClasses(semesterId) {
  213.     let listId = "list-" + semesterId,
  214.         list = document.getElementById(listId),
  215.         table = list
  216.             .getElementsByTagName("table")[0]
  217.             .getElementsByTagName("tbody")[0],
  218.         rowSpan = 0,
  219.         currentClass,
  220.         Classes = [];
  221.     for (const record of table.children) {
  222.         if (rowSpan <= 0) {
  223.             rowSpan = record.children[0].rowSpan;
  224.             currentClass = new Class(
  225.                 record.children[0].innerHTML,
  226.                 record.children[1].innerHTML);
  227.             currentClass.AddTimeAndPlace(
  228.                 record.children[2].innerHTML,
  229.                 record.children[3].innerHTML,
  230.                 record.children[4].innerHTML);
  231.         }
  232.         else {
  233.             currentClass.AddTimeAndPlace(
  234.                 record.children[0].innerHTML,
  235.                 record.children[1].innerHTML,
  236.                 record.children[2].innerHTML);
  237.         }
  238.         rowSpan--;
  239.         if (rowSpan <= 0) {
  240.             Classes.push(currentClass);
  241.         }
  242.     }
  243.     return Classes;
  244. }
  245.  
  246. function getPublicClassTime(semesterId) {
  247.     const tableId = "table-" + semesterId + "-1",
  248.         table = document.getElementById(tableId).getElementsByTagName("tbody")[0],
  249.         timeReg = /(\d+):(\d+)-(\d+):(\d+)/;
  250.     let times = [];
  251.     for (const row of table.children) {
  252.         const record = row.firstElementChild.rowSpan == 1 ? row.firstElementChild : row.firstElementChild.nextElementSibling;
  253.         if (timeReg.exec(record.innerHTML)) {
  254.             let begintime = (RegExp.$1.length == 1 ? "0" : "") + RegExp.$1 + RegExp.$2 + "00",
  255.                 endtime = (RegExp.$3.length == 1 ? "0" : "") + RegExp.$3 + RegExp.$4 + "00";
  256.             times.push([begintime, endtime]);
  257.         }
  258.     }
  259.     return times;
  260. }
  261.  
  262. function firstDatetimeOfWeek(week) {
  263.     const FirstDateOfSemester = new Date(FirstdateOfSemester),
  264.         FirstDateOfWeek = new Date(FirstDateOfSemester.getTime() + week * 7 * 24 * 60 * 60 * 1000);
  265.     return dateToDatetime(FirstDateOfWeek);
  266. }
  267.  
  268. function lastDatetimeOfWeek(week) {
  269.     const FirstDatetimeOfSemester = new Date(FirstdateOfSemester),
  270.         LastDatetimeOfWeek = new Date(FirstDatetimeOfSemester.getTime() + (week + 1) * 7 * 24 * 60 * 60 * 1000 - 1);
  271.     return dateToDatetime(LastDatetimeOfWeek)
  272. }
  273.  
  274. function dateToDatetime(date) {
  275.     return ""
  276.         + date.getFullYear()
  277.         + ("0" + (date.getMonth() + 1)).slice(-2)
  278.         + ("0" + date.getDate()).slice(-2)
  279.         + "T"
  280.         + ("0" + date.getHours()).slice(-2)
  281.         + ("0" + date.getMinutes()).slice(-2)
  282.         + ("0" + date.getSeconds()).slice(-2);
  283. }
  284.  
  285. function datetimeToDate(datetime) {
  286.     let date = datetime.slice(0, 4) + "/";
  287.     date += datetime.slice(4, 6) + "/";
  288.     date += datetime.slice(6, 8) + " ";
  289.     date += datetime.slice(9, 11) + ":";
  290.     date += datetime.slice(11, 13) + ":";
  291.     date += datetime.slice(13, 15);
  292.     return new Date(date);
  293. }
  294.  
  295. class iCalendarFormatter {
  296.     static ClassEvent(ClassRecord) {
  297.         let event = "";
  298.         for (const Class of ClassRecord.timeAndPlace) {
  299.             event += "BEGIN:VEVENT\n";
  300.             event += "SUMMARY:" + ClassRecord.name + "\n";
  301.             event += "LOCATION:" + Class.classroom + "\n";
  302.             event += "DTSTART:" + Class.getFirstStartDatetime() + "\n";
  303.             event += "DTEND:" + Class.getFirstEndDatetime() + "\n";
  304.             event += "RRULE:FREQ=WEEKLY;"
  305.                 + "BYDAY=" + Class.weekday + "\n";
  306.             event += "RDATE;VALUE=PERIOD:"
  307.             for (const week of Class.weeks) {
  308.                 event += week[0] + "/" + week[1] + ",";
  309.             } event = event.slice(0, -1) + "\n";
  310.             event += "END:VEVENT\n";
  311.         }
  312.         return event;
  313.     }
  314.     static ClassesCalendar(Classes) {
  315.         let calendar = "BEGIN:VCALENDAR\nVERSION:2.0\n";
  316.         for (const Class of Classes) {
  317.             calendar += iCalendarFormatter.ClassEvent(Class);
  318.         }
  319.         calendar += "END:VCALENDAR\n";
  320.         return calendar;
  321.     }
  322. }
  323.  
  324. function includeFileSaver() {
  325.     (function (global, factory) {
  326.         if (typeof define === "function" && define.amd) {
  327.             define([], factory);
  328.         } else if (typeof exports !== "undefined") {
  329.             factory();
  330.         } else {
  331.             var mod = {
  332.                 exports: {}
  333.             };
  334.             factory();
  335.             global.FileSaver = mod.exports;
  336.         }
  337.     })(this, function () {
  338.         "use strict";
  339.  
  340.         /*
  341.         * FileSaver.js
  342.         * A saveAs() FileSaver implementation.
  343.         *
  344.         * By Eli Grey, http://eligrey.com
  345.         *
  346.         * License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)
  347.         * source  : http://purl.eligrey.com/github/FileSaver.js
  348.         */
  349.         // The one and only way of getting global scope in all environments
  350.         // https://stackoverflow.com/q/3277182/1008999
  351.         var _global = typeof window === 'object' && window.window === window ? window : typeof self === 'object' && self.self === self ? self : typeof global === 'object' && global.global === global ? global : void 0;
  352.  
  353.         function bom(blob, opts) {
  354.             if (typeof opts === 'undefined') opts = {
  355.                 autoBom: false
  356.             }; else if (typeof opts !== 'object') {
  357.                 console.warn('Deprecated: Expected third argument to be a object');
  358.                 opts = {
  359.                     autoBom: !opts
  360.                 };
  361.             } // prepend BOM for UTF-8 XML and text/* types (including HTML)
  362.             // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
  363.  
  364.             if (opts.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
  365.                 return new Blob([String.fromCharCode(0xFEFF), blob], {
  366.                     type: blob.type
  367.                 });
  368.             }
  369.  
  370.             return blob;
  371.         }
  372.  
  373.         function download(url, name, opts) {
  374.             var xhr = new XMLHttpRequest();
  375.             xhr.open('GET', url);
  376.             xhr.responseType = 'blob';
  377.  
  378.             xhr.onload = function () {
  379.                 saveAs(xhr.response, name, opts);
  380.             };
  381.  
  382.             xhr.onerror = function () {
  383.                 console.error('could not download file');
  384.             };
  385.  
  386.             xhr.send();
  387.         }
  388.  
  389.         function corsEnabled(url) {
  390.             var xhr = new XMLHttpRequest(); // use sync to avoid popup blocker
  391.  
  392.             xhr.open('HEAD', url, false);
  393.  
  394.             try {
  395.                 xhr.send();
  396.             } catch (e) { }
  397.  
  398.             return xhr.status >= 200 && xhr.status <= 299;
  399.         } // `a.click()` doesn't work for all browsers (#465)
  400.  
  401.  
  402.         function click(node) {
  403.             try {
  404.                 node.dispatchEvent(new MouseEvent('click'));
  405.             } catch (e) {
  406.                 var evt = document.createEvent('MouseEvents');
  407.                 evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80, 20, false, false, false, false, 0, null);
  408.                 node.dispatchEvent(evt);
  409.             }
  410.         }
  411.  
  412.         var saveAs = _global.saveAs || ( // probably in some web worker
  413.             typeof window !== 'object' || window !== _global ? function saveAs() { }
  414.                 /* noop */
  415.                 // Use download attribute first if possible (#193 Lumia mobile)
  416.                 : 'download' in HTMLAnchorElement.prototype ? function saveAs(blob, name, opts) {
  417.                     var URL = _global.URL || _global.webkitURL;
  418.                     var a = document.createElement('a');
  419.                     name = name || blob.name || 'download';
  420.                     a.download = name;
  421.                     a.rel = 'noopener'; // tabnabbing
  422.                     // TODO: detect chrome extensions & packaged apps
  423.                     // a.target = '_blank'
  424.  
  425.                     if (typeof blob === 'string') {
  426.                         // Support regular links
  427.                         a.href = blob;
  428.  
  429.                         if (a.origin !== location.origin) {
  430.                             corsEnabled(a.href) ? download(blob, name, opts) : click(a, a.target = '_blank');
  431.                         } else {
  432.                             click(a);
  433.                         }
  434.                     } else {
  435.                         // Support blobs
  436.                         a.href = URL.createObjectURL(blob);
  437.                         setTimeout(function () {
  438.                             URL.revokeObjectURL(a.href);
  439.                         }, 4E4); // 40s
  440.  
  441.                         setTimeout(function () {
  442.                             click(a);
  443.                         }, 0);
  444.                     }
  445.                 } // Use msSaveOrOpenBlob as a second approach
  446.                     : 'msSaveOrOpenBlob' in navigator ? function saveAs(blob, name, opts) {
  447.                         name = name || blob.name || 'download';
  448.  
  449.                         if (typeof blob === 'string') {
  450.                             if (corsEnabled(blob)) {
  451.                                 download(blob, name, opts);
  452.                             } else {
  453.                                 var a = document.createElement('a');
  454.                                 a.href = blob;
  455.                                 a.target = '_blank';
  456.                                 setTimeout(function () {
  457.                                     click(a);
  458.                                 });
  459.                             }
  460.                         } else {
  461.                             navigator.msSaveOrOpenBlob(bom(blob, opts), name);
  462.                         }
  463.                     } // Fallback to using FileReader and a popup
  464.                         : function saveAs(blob, name, opts, popup) {
  465.                             // Open a popup immediately do go around popup blocker
  466.                             // Mostly only available on user interaction and the fileReader is async so...
  467.                             popup = popup || open('', '_blank');
  468.  
  469.                             if (popup) {
  470.                                 popup.document.title = popup.document.body.innerText = 'downloading...';
  471.                             }
  472.  
  473.                             if (typeof blob === 'string') return download(blob, name, opts);
  474.                             var force = blob.type === 'application/octet-stream';
  475.  
  476.                             var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari;
  477.  
  478.                             var isChromeIOS = /CriOS\/[\d]+/.test(navigator.userAgent);
  479.  
  480.                             if ((isChromeIOS || force && isSafari) && typeof FileReader === 'object') {
  481.                                 // Safari doesn't allow downloading of blob URLs
  482.                                 var reader = new FileReader();
  483.  
  484.                                 reader.onloadend = function () {
  485.                                     var url = reader.result;
  486.                                     url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;');
  487.                                     if (popup) popup.location.href = url; else location = url;
  488.                                     popup = null; // reverse-tabnabbing #460
  489.                                 };
  490.  
  491.                                 reader.readAsDataURL(blob);
  492.                             } else {
  493.                                 var URL = _global.URL || _global.webkitURL;
  494.                                 var url = URL.createObjectURL(blob);
  495.                                 if (popup) popup.location = url; else location.href = url;
  496.                                 popup = null; // reverse-tabnabbing #460
  497.  
  498.                                 setTimeout(function () {
  499.                                     URL.revokeObjectURL(url);
  500.                                 }, 4E4); // 40s
  501.                             }
  502.                         });
  503.         _global.saveAs = saveAs.saveAs = saveAs;
  504.  
  505.         if (typeof module !== 'undefined') {
  506.             module.exports = saveAs;
  507.         }
  508.     });
  509. }
  510.  
  511. chooseSemester()