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抓取讲座信息并生成JSON到剪贴板，可从页面底部的附加面板上传至google calendar
// ==UserScript==
// @name UCAS讲座信息抓取
// @namespace http://tampermonkey.net/
// @version 1.1
// @description 抓取讲座信息并生成JSON到剪贴板，可从页面底部的附加面板上传至google calendar
// @match https://xkcts.ucas.ac.cn:8443/subject/lecture
// @match https://xkcts.ucas.ac.cn:8443/subject/humanityLecture
// @grant GM_getValue
// @license GPLv3
// ==/UserScript==
(function() {
'use strict';
function assignIgnoringUndefined(target, ...sources) {
sources.forEach(source => {
Object.keys(source).forEach(key => {
if (source[key] !== undefined) {
target[key] = source[key];
}
});
});
return target;
}
async function fetchDetails(url) {
const response = await fetch(url);
const text = await response.text();
const parser = new DOMParser();
const doc = parser.parseFromString(text, 'text/html');
// 根据实际情况调整选择器
const detailsTable = doc.querySelector('table'); // 选择第一个表格
let details = {};
if (detailsTable) {
const rows = detailsTable.querySelectorAll('tr');
rows.forEach((row,index) => {
// const cells = Array.from(row.querySelectorAll('td'));
const plain = row.innerText;
const regex = {
startTime: /.+开始时间：([^\n]+)/,
endTime: /.+结束时间：([^\n]+)/,
mainVenue: /.+主会场地点：([^\n]+)/,
};
// 提取字段
const extractedFields = {
startTime: plain.match(regex.startTime)?.[1]?.trim(),
endTime: plain.match(regex.endTime)?.[1]?.trim(),
mainVenue: plain.match(regex.mainVenue)?.[1]?.trim(),
};
if (plain.includes("讲座介绍")) {
extractedFields.introduction = rows[index + 1]?.querySelector('td')?.textContent.trim();
}
assignIgnoringUndefined(details,extractedFields);
});
}
console.log(details);
return details;
}
function downloadFile(content, fileName) {
const blob = new Blob([content], { type: 'text/csv' });
const url = URL.createObjectURL(blob);
GM_download({
url: url,
name: fileName,
saveAs: true
});
}
async function scrapeTable() {
const rows = Array.from(document.querySelectorAll('table tbody tr'));
const data = [];
for (const row of rows) {
const cells = row.querySelectorAll('td');
const name = cells[0].innerText;
const time = cells[2].innerText;
const detailLink = cells[6].querySelector('a').href;
console.log('detaill in',detailLink);
const details = await fetchDetails(detailLink);
data.push({
name: name,
time: time,
details: details
});
}
// const csvContent = '讲座名称,讲座时间,详情\n' + data.map(item => `${item.name},${item.time},"${item.details.replace(/"/g, '""')}"`).join('\n');
// downloadFile(csvContent, 'lectures.csv');
const jsonstr = JSON.stringify(data);
const talksToUpload = jsonstr;
console.log(jsonstr);
navigator.clipboard.writeText(jsonstr).then(() => {
console.log('数据已复制到剪贴板');
// 打开 t.html
// window.open('http://localhost:1145/gcalendarSyncLectures.html', '_blank');
// 创建 iframe 元素
const iframe = document.createElement('iframe');
iframe.style.width = '100%'; // 设置宽度
iframe.style.height = '300px'; // 设置高度
iframe.style.border = '1px solid black'; // 设置边框
iframe.style.position = 'fixed'; // 固定位置
iframe.style.bottom = '10px'; // 距底部 10px
iframe.style.left = '10px'; // 距左边 10px
iframe.style.zIndex = '2000'; // 确保在其他元素之上
iframe.style.background = "white";
const CLIENT_ID = GM_getValue('CLIENT_ID','');
const API_KEY = GM_getValue('API_KEY');
console.log('client',CLIENT_ID,'api',API_KEY);
// 设定 iframe 的内容
const iframeContent = `
<!DOCTYPE html>
<html>
<head>
<title>Google Calendar API Quickstart</title>
<meta charset="utf-8" />
</head>
<body>
<p>Google Calendar API Quickstart</p>
<div>
<button id="paste_btn">paste</button>
<p id="pasted" style="height: 2em;overflow: hidden; text-wrap: wrap;"></p>
</div>
<!--Add buttons to initiate auth sequence and sign out-->
<button id="authorize_button" onclick="handleAuthClick()">Authorize</button>
<button id="signout_button" onclick="handleSignoutClick()">Sign Out</button>
<pre id="content" style="white-space: pre-wrap;"></pre>
<button id="upload_btn" onclick="startUpload()">Start Upload</button>
<script type="text/javascript">
/* exported gapiLoaded */
/* exported gisLoaded */
/* exported handleAuthClick */
/* exported handleSignoutClick */
// TODO(developer): Set to client ID and API key from the Developer Console
let CLIENT_ID = "${CLIENT_ID}";
let API_KEY = "${API_KEY}";
const UCAS_CALENDARID = '8b1087cb41e1dbaab08c72e1db5f1c3fdc03c814448ffd2b0dcf0b7f62146e3c@group.calendar.google.com';
// Discovery doc URL for APIs used by the quickstart
const DISCOVERY_DOC = 'https://www.googleapis.com/discovery/v1/apis/calendar/v3/rest';
// Authorization scopes required by the API; multiple scopes can be
// included, separated by spaces.
const SCOPES = 'https://www.googleapis.com/auth/calendar';
let tokenClient;
let gapiInited = false;
let gisInited = false;
let talkIds = null;
let talksToUpload = ${talksToUpload};
document.getElementById('pasted').textContent = JSON.stringify(talksToUpload, null, 2);
document.getElementById('authorize_button').style.visibility = 'hidden';
document.getElementById('signout_button').style.visibility = 'hidden';
document.getElementById('paste_btn').addEventListener('click', () => {
navigator.clipboard.readText().then(text => {
const complexData = JSON.parse(text);
talksToUpload = complexData;
document.getElementById('pasted').textContent = JSON.stringify(complexData, null, 2);
}).catch(err => {
console.error('读取剪贴板失败:', err);
});
});
/**
* Callback after api.js is loaded.
*/
async function gapiLoaded() {
// const resp = await fetch('.cred.json');
// const data = await resp.json();
// console.log('Credentials loaded',data);
// API_KEY = data.API_KEY;
// CLIENT_ID = data.CLIENT_ID;
gapi.load('client', initializeGapiClient);
}
/**
* Callback after the API client is loaded. Loads the
* discovery doc to initialize the API.
*/
async function initializeGapiClient() {
await gapi.client.init({
apiKey: API_KEY,
discoveryDocs: [DISCOVERY_DOC],
});
gapiInited = true;
maybeEnableButtons();
const savedToken = sessionStorage.getItem('googleCalendar_access_token');
if (savedToken) {
gapi.client.setToken({ access_token: savedToken });
afterLogin();
}
}
/**
* Callback after Google Identity Services are loaded.
*/
function gisLoaded() {
tokenClient = google.accounts.oauth2.initTokenClient({
client_id: CLIENT_ID,
scope: SCOPES,
callback: '', // defined later
});
gisInited = true;
maybeEnableButtons();
}
/**
* Enables user interaction after all libraries are loaded.
*/
function maybeEnableButtons() {
if (gapiInited && gisInited) {
document.getElementById('authorize_button').style.visibility = 'visible';
}
}
async function afterLogin() {
document.getElementById('signout_button').style.visibility = 'visible';
document.getElementById('authorize_button').innerText = 'Refresh';
const events = await getEvents();
talkIds = new Map(events.map( e => [e.summary, e.id]));
if (!events || events.length == 0) {
document.getElementById('content').innerText = 'No events found.';
return;
}
// Flatten to string to display
const output = events.reduce(
(str, event) => \`\${str}\${event.summary} (\${event.start.dateTime || event.start.date})\\n\`,
'Events:\\n');
document.getElementById('content').innerText = output;
}
/**
* Sign in the user upon button click.
*/
function handleAuthClick() {
tokenClient.callback = async (resp) => {
if (resp.error !== undefined) {
throw (resp);
}
sessionStorage.setItem('googleCalendar_access_token', resp.access_token);
await afterLogin();
};
if (gapi.client.getToken() === null) {
// Prompt the user to select a Google Account and ask for consent to share their data
// when establishing a new session.
tokenClient.requestAccessToken({prompt: 'consent'});
} else {
// Skip display of account chooser and consent dialog for an existing session.
tokenClient.requestAccessToken({prompt: ''});
}
}
/**
* Sign out the user upon button click.
*/
function handleSignoutClick() {
const token = gapi.client.getToken();
if (token !== null) {
google.accounts.oauth2.revoke(token.access_token);
gapi.client.setToken('');
document.getElementById('content').innerText = '';
document.getElementById('authorize_button').innerText = 'Authorize';
document.getElementById('signout_button').style.visibility = 'hidden';
}
}
/**
* Print the summary and start datetime/date of the next ten events in
* the authorized user's calendar. If no events are found an
* appropriate message is printed.
*/
async function getEvents() {
const request = {
'calendarId': UCAS_CALENDARID,
'timeMin': (new Date()).toISOString(),
'showDeleted': false,
'singleEvents': true,
'maxResults': 200,
'orderBy': 'startTime',
};
const response = await gapi.client.calendar.events.list(request);
console.log(response);
return response.result.items;
}
function startUpload() {
const uploadEvent = async (ev)=>{
const request = {
'calendarId': UCAS_CALENDARID,
'resource': ev,
};
const resp = await gapi.client.calendar.events.insert(request);
}
const patchEvent = async (id,changes)=>{
await gapi.client.calendar.events.patch({
calendarId: UCAS_CALENDARID,
eventId: id,
changes: changes
})
}
const now = new Date()
for (let t of talksToUpload) {
if (t.name.includes("待定"))
continue;
const event = {
summary: t.name,
start: {
dateTime: new Date(t.details.startTime).toISOString(),
},
end: {
dateTime: new Date(t.details.endTime).toISOString(),
},
location: t.details.mainVenue,
description: t.details.introduction,
colorId: t.name.includes("明德")? 7 : undefined,
}
if(new Date(t.details.startTime) < now)
continue;
if (talkIds.has(event.summary)) {
const {summary, ...changes} = event
console.log('patch',event)
patchEvent(talkIds.get(event.summary), changes)
} else {
console.log('create',event)
uploadEvent(event)
}
}
}
</script>
<script async defer src="https://apis.google.com/js/api.js" onload="gapiLoaded()"></script>
<script async defer src="https://accounts.google.com/gsi/client" onload="gisLoaded()"></script>
</body>
</html>
`;
// 将 iframe 添加到页面中
document.body.appendChild(iframe);
// 写入内容
const doc = iframe.contentDocument || iframe.contentWindow.document;
console.log(iframe);
console.log(iframeContent);
console.log(iframe.contentDocument);
// doc.open();
doc.write(iframeContent);
doc.close();
const toggleAction = ()=>{
console.log('toggle pannel',iframe.style.visibility);
iframe.style.visibility=iframe.style.visibility=='hidden'?'visible':'hidden';
}
const toggle = document.createElement('button');
toggle.innerText = 'Toggle Panel';
toggle.style.position = 'fixed';
toggle.style.bottom = '50px';
toggle.style.right = '10px';
toggle.style.zIndex = 2001;
toggle.onclick = toggleAction;
document.body.appendChild(toggle)
}).catch(err => {
console.error('复制失败:', err);
});
}
const button = document.createElement('button');
button.innerText = '抓取讲座信息';
button.style.position = 'fixed';
button.style.bottom = '10px';
button.style.right = '10px';
button.style.zIndex = 2001;
button.onclick = scrapeTable;
document.body.appendChild(button);
})();