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/* TODO
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* 完善异常处理
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* 建立用户名-Cookie数据库
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*/
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'use strict';
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const
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express = require('express'),
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superagent = require('superagent'),
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cheerio = require('cheerio'),
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escaper = require('true-html-escape'),
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colors = require('colors'),
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program = require('commander'),
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moment = require('moment'),
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access = require('./lib/access.js');
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program
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.option('-h, --help')
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.option('-v, --version')
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.option('-p, --port [value]', parseInt)
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.option('-f, --fullLog')
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.parse(process.argv);
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// 别问我为什么这里逻辑这么奇怪……测试的结果确实是这样的啊hhh
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if (!program.help || !program.version) {
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console.log(
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`${`CSUEMS API v${require('./package').version}
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by The Liberators`.rainbow}${program.help ? '' :
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`
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Preparation:
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${'(This section is WIP)'.grey}
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Usage:
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npm start [-- <options...>]
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Options:
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-h, --help print this message and exit.
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-v, --version print the version and exit.
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-f, --fullLog enable full log, by default only errors are logged.
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-p, --port [value] specify a port to listen, process.env.PORT || 2333 by default.
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Examples:
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$ npm start -- -p 43715 # listening to 43715
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$ forever start app.js # deploy with forever as daemon (root access recommended)
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$ pm2 start -i 0 -n "csuapi" app.js # deploy with pm2 as daemon (root access recommended)`}`);
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process.exit(0);
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}
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const
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timeStamp = () => moment().format('[[]YY-MM-DD HH:mm:ss[]]'),
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// 以系统时间获取当前学期
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getSem = () => {
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let now = new Date();
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let month = now.getMonth();
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let year = now.getFullYear();
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if (month === 0) {
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return (year - 1) + '-' + year + '-1';
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} else if (month <= 6) {
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return (year - 1) + '-' + year + '-2';
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} else {
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return year + '-' + (year + 1) + '-1';
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}
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},
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port = program.port || process.env.PORT || 2333,
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fullLog = program.fullLog,
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app = express();
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// 获取文档
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app.get('/doc', function (req, res, next) {
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res.sendFile(__dirname + '/doc/API.html');
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});
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View Code Duplication |
// 查成绩API，通过GET传入用户名和密码
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app.get(/^\/g(?:|rades)$/, function (req, res, next) {
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if (!req.query.id || !req.query.pwd || (req.query.sem && !(/^20\d{2}-20\d{2}-[1-2]$/).test(req.query.sem))) {
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res.status(404).send({ error: "参数不正确" });
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return;
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}
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if (fullLog) {
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var start = new Date();
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console.log(`${timeStamp()} Started to query the grades: `.cyan + req.query.id.yellow);
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}
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access.login(req.query.id, req.query.pwd, res, function (headers) {
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if (fullLog) {
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console.log(`${timeStamp()} Successfully logged in.`.green);
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}
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// 实际上xnxq01id为空的时候和GET这个URL的效果是一样的，都是查询所有学期
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superagent
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.post('http://csujwc.its.csu.edu.cn/jsxsd/kscj/yscjcx_list')
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.set(headers)
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.type('form')
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.send({
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xnxq01id: req.query.sem
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})
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.end(function (err, iires) {
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if (err) {
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console.log(`${timeStamp()} Failed to get grades page\n${err.stack}`.red);
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res.status(404).send({ error: '无法进入成绩页面' });
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return next(err);
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}
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if (fullLog) {
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console.log(`${timeStamp()} Successfully entered grades page.`.green);
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}
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let $ = cheerio.load(iires.text);
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let result = {
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name: escaper.unescape($('#Top1_divLoginName').text().match(/\s.+\(/)[0].replace(/\s|\(/g, '')),
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id: escaper.unescape($('#Top1_divLoginName').text().match(/\(.+\)/)[0].replace(/\(|\)/g, '')),
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grades: {},
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'subject-count': 0,
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failed: {},
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'failed-count': 0,
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};
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// 获取成绩列表
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$('#dataList tr').each(function (index) {
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if (index === 0) {
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return;
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}
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let element = $(this).find('td');
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let title = escaper.unescape(element.eq(3).text().match(/].+$/)[0].substring(1));
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let item = {
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sem: escaper.unescape(element.eq(2).text()),
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reg: escaper.unescape(element.eq(4).text()),
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exam: escaper.unescape(element.eq(5).text()),
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overall: escaper.unescape(element.eq(6).text())
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};
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if (req.query.details) {
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item.id = escaper.unescape(element.eq(3).text().match(/\[.+\]/)[0].replace(/\[|\]/g, ''));
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item.attr = escaper.unescape(element.eq(8).text());
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item.genre = escaper.unescape(element.eq(9).text());
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item.credit = escaper.unescape(element.eq(7).text());
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}
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// 如果有补考记录，则以最高分的为准
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// 这段代码是拿可读性换了时间复杂度……
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if (title in result.grades) {
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// 暂不考虑NaN
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if (item.overall < result.grades[title].overall) {
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return;
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}
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if (!element.eq(6).css('color')) {
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delete result.failed[title];
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}
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} else if (element.eq(6).css('color')) {
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result.failed[title] = item;
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}
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result.grades[title] = item;
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});
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result['subject-count'] = Object.keys(result.grades).length;
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result['failed-count'] = Object.keys(result.failed).length;
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access.logout(headers, res, function() {
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// 返回JSON
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View Code Duplication |
res.send(JSON.stringify(result));
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if (fullLog) {
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console.log(`${timeStamp()} Successfully logged out: `.green +
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req.query.id.yellow +
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` (processed in ${new Date() - start} ms)`.green);
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}
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});
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});
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});
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});
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// 查考试API，通过GET传入用户名和密码
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app.get(/^\/e(?:|xams)$/, function (req, res, next) {
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if (!req.query.id || !req.query.pwd || (req.query.sem && !(/^20\d{2}-20\d{2}-[1-2]$/).test(req.query.sem))) {
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res.status(404).send({ error: "参数不正确" });
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return;
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}
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if (fullLog) {
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var start = new Date();
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console.log(`${timeStamp()} Started to query the exams: `.cyan + req.query.id.yellow);
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}
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access.login(req.query.id, req.query.pwd, res, function (headers) {
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if (fullLog) {
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console.log(`${timeStamp()} Successfully logged in.`.green);
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}
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superagent
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.post('http://csujwc.its.csu.edu.cn/jsxsd/xsks/xsksap_list')
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.set(headers)
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.type('form')
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.send({
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xqlbmc: '',
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xnxqid: req.query.sem || getSem(),
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xqlb: ''
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})
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.end(function (err, iires) {
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if (err) {
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console.log(`${timeStamp()} Failed to reach exams page\n${err.stack}`.red);
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res.status(404).send({ error: '获取成绩失败' });
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return next(err);
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}
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if (fullLog) {
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console.log(`${timeStamp()} Successfully entered exams page.`.green);
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}
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let $ = cheerio.load(iires.text);
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let result = {
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name: escaper.unescape($('#Top1_divLoginName').text().match(/\s.+\(/)[0].replace(/\s|\(/g, '')),
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id: escaper.unescape($('#Top1_divLoginName').text().match(/\(.+\)/)[0].replace(/\(|\)/g, '')),
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sem: req.query.sem || getSem(),
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exams: {},
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'exams-count': 0,
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};
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$('#dataList tr').each(function (index) {
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if (index === 0) {
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return;
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}
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let element = $(this).find('td');
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let title = escaper.unescape(element.eq(3).text());
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let item = {
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time: escaper.unescape(element.eq(4).text()),
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location: escaper.unescape(element.eq(5).text()),
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seat: escaper.unescape(element.eq(6).text())
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};
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result.exams[title] = item;
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result['exams-count']++;
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});
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access.logout(headers, res, function() {
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res.send(JSON.stringify(result));
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if (fullLog) {
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console.log(`${timeStamp()} Successfully logged out: `.green +
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req.query.id.yellow +
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` (processed in ${new Date() - start} ms)`.green);
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}
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});
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});
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});
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});
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app.listen(port, () => {
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console.log(`${timeStamp()} The API is now running on port ${port}. Full logging is ${fullLog ? 'enabled' : 'disabled'}`.green);
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}); |
Equim-chan /
csu-ems-api
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