library.syu.kr/index.js at main · syu-kr/library.syu.kr · GitHub

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/**
 *    ____                  __________
 *   / __ \_   _____  _____/ __/ / __ \_      __
 *  / / / / | / / _ \/ ___/ /_/ / / / / | /| / /
 * / /_/ /| |/ /  __/ /  / __/ / /_/ /| |/ |/ /
 * \____/ |___/\___/_/  /_/ /_/\____/ |__/|__/
 *
 * The copyright indication and this authorization indication shall be
 * recorded in all copies or in important parts of the Software.
 *
 * @author 0verfl0w767
 * @link https://github.com/0verfl0w767
 * @license MIT LICENSE
 *
 */
const express = require("express");
const http = require("http");
const fs = require("fs");
const app = express();
const cheerio = require("cheerio");
const HTMLParser = require("node-html-parser");
const { JSDOM } = require("jsdom");

const seatFloor = (roomNo) => {
  let floor = "";
  if (roomNo == 6) floor = "1층 열람실";
  else if (roomNo == 7) floor = "2층 열람실";
  else if (roomNo == 8) floor = "2층 열람실";
  else if (roomNo == 9) floor = "2층 채움실";
  else if (roomNo == 10) floor = "3층 열람실";
  else if (roomNo == 11) floor = "3층 열람실";
  else if (roomNo == 12) floor = "3층 집중실";
  return floor;
};

app.use("/", express.static(__dirname + "/public"));

app.get("/", (req, res) => {
  res.status(200).sendFile(__dirname + "/page/api.html");
});

app.get("/test", (req, res) => {
  res.status(200).sendFile(__dirname + "/page/test.html");
});

app.get("/study", (req, res) => {
  res.status(200).sendFile(__dirname + "/page/study.html");
});

/*app.get('/api', (req, res) => {
  res.status(200).sendFile(__dirname + '/page/api.html')
})*/

app.get("/api/:roomNo", async (req, res) => {
  const url = `https://libmo.syu.ac.kr/mobile/PA/seatMap.php?roomNo=${req.params.roomNo}`;
  const response = await fetch(url);
  const html = await response.text();
  res.status(200).send(html);
});

app.get("/apiTest/:roomNo", async (req, res) => {
  const url = `https://libmo.syu.ac.kr/mobile/PA/seatMap.php?roomNo=${req.params.roomNo}`;
  const response = await fetch(url);
  const html = await response.text();
  const $ = cheerio.load(html);

  let ary = [];
  let ids = [];
  $("script").each((index, element) => {
    const scriptContent = $(element).html();
    const matches = scriptContent.match(/document\.getElementById\('(\d+)'\)/g);
    if (matches) {
      matches.forEach((match) => {
        const id = match.match(/'(\d+)'/)[1];
        ids.push(id);
      });
    }
  });

  $("tr").each((index, tr) => {
    $(tr)
      .find("td")
      .each((index, td) => {
        const seatId = $(td).attr("id");
        const seatClass = $(td).attr("class");
        if (!seatId || !seatClass) return;

        ary.push({
          seatId: seatId,
          seatStatus: ids.includes(seatId) ? "사용 불가능" : "사용 가능",
          seatFloor: seatFloor(req.params.roomNo),
        });
      });
  });

  res.status(200).json(ary.sort((a, b) => a.seatId - b.seatId));
});

/*app.get('/apiTest/:roomNo', async (req, res) => {
  const url = `https://libmo.syu.ac.kr/mobile/PA/seatMap.php?roomNo=${req.params.roomNo}`;
  const response = await fetch(url);
  const html = await response.text();

  const dom = new JSDOM(html);
  const document = dom.window.document;

  console.log(document.documentElement.outerHTML);

  let ary = [];
  document.querySelectorAll('tr').forEach(tr => {
    tr.querySelectorAll('td').forEach(td => {
      const seatId = td.getAttribute('id');
      const seatClass = td.getAttribute('class');
      if (!seatId || !seatClass) return;

      ary.push({
        'seatId': seatId,
        'seatStatus': seatClass === 'desk' ? '사용 가능' : '사용 불가능',
        'seatFloor': seatFloor(req.params.roomNo),
      });
    });
  });

  res.status(200).json(ary.sort((a, b) => a.seatId - b.seatId));
})*/

app.get("*", (req, res) => {
  res.status(404).json({ statusCode: 404, message: "unknown request." });
});

http.createServer(app).listen(4848, "0.0.0.0");