Just Students

Remove students that aren't students anymore

Terá de instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

Terá de instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Terá de instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Terá de instalar uma extensão como Tampermonkey para instalar este script.

Terá de instalar uma extensão de gestão de scripts de utilizador para instalar este script.

(Já tenho um gestor de scripts de utilizador, deixe-me instalá-lo!)

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

(Já tenho um gestor de estilos de utilizador, deixe-me instalá-lo!)

// ==UserScript==
// @name        Just Students
// @namespace   https://github.com/Marado-Programer/
// @match       http*://oghma.epcc.pt/*
// @grant       none
// @version     1.2
// @author      [email protected]
// @description Remove students that aren't students anymore
// ==/UserScript==

const url = window.location.href;

document.body.innerHTML = document.body.innerHTML.replaceAll(/João Rodrigues/g, "Draikontuga");
document.body.innerHTML = document.body.innerHTML.replaceAll(/João Afonso Andrade Rodrigues/g, "Draikontuga");

document.querySelectorAll("li.student, tr.student").forEach((student) => {
  if (!student.classList.contains("active")) student.remove();
});

if (url.match(/units/)) {
  document.querySelectorAll("table.evaluations tr").forEach((student, i) => {
    if (i != 0 && !student.classList.contains("active")) student.remove();
  });
  const evaluationsTable = document.getElementsByClassName("evaluations")[1],
    evaluations = document.querySelectorAll("table.evaluations tr.active");
  const orderedEvaluations = [].slice.call(evaluations).sort((x, y) =>
    x.querySelector(".number")
      ? (x.querySelector(".number").childNodes[0].nodeValue -
        y.querySelector(".number").childNodes[0].nodeValue)
      : (x.querySelector("td:nth-child(4)").innerText -
        y.querySelector("td:nth-child(4)").innerText)
  );

  evaluations.forEach((i) => i.remove());

  orderedEvaluations.forEach((i) => evaluationsTable.append(i));
} else if (url.match(/users/)) {
  const evaluationsTable = document.getElementsByClassName("evaluations")[1],
    evaluations = document.querySelectorAll("table.evaluations tr.evaluation");

  const date = /(\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2} UTC)/;

  const orderedEvaluations = [].slice.call(evaluations).sort((x, y) => {
    const xDate = new Date(date.exec(x.childNodes[15].title)[1]);
    const yDate = new Date(date.exec(y.childNodes[15].title)[1]);

    //return xDate - yDate;
    return x.childNodes[5].innerHTML - y.childNodes[5].innerHTML;
  });

  const avg = orderedEvaluations.reduce((x, y) =>
    parseInt(
      typeof x === "number" ? x : x.querySelector("td:nth-child(3)").innerText,
      10,
    ) + parseInt(
      typeof y === "number" ? y : y.querySelector("td:nth-child(3)").innerText,
      10,
    )
  );

  evaluations.forEach((i) => i.remove());

  orderedEvaluations.forEach((i) => evaluationsTable.append(i));
  const avgtr = document.createElement("tr");
  avgtr.append(document.createElement("td"));
  avgtr.append(document.createElement("td"));
  const avgtd = document.createElement("td");
  const b = document.createElement("b");
  b.append(
    document.createTextNode(`Average: ${avg / orderedEvaluations.length}`),
  );
  avgtd.append(b);
  avgtr.append(avgtd);
  avgtr.append(document.createElement("td"));
  avgtr.append(document.createElement("td"));
  avgtr.append(document.createElement("td"));
  avgtr.append(document.createElement("td"));
  avgtr.append(document.createElement("td"));
  avgtr.append(document.createElement("td"));
  evaluationsTable.append(avgtr);
} else if (url.match(/\/courses\/?$/)) {
  Promise.all(
    [].slice.call(
      document.querySelectorAll(
        "#main > div > div.span10.main > table > tbody > tr a",
      ),
    ).map((i) =>
      fetch(`${i.href}/evaluations`).then((res) => res.text()).then(
        (course) => {
          const you_start = course.indexOf('<tr class="active me">');
          const you = course.substring(
            you_start,
            course.indexOf("</tr>", you_start),
          ).trim();
          const rate_start = you.indexOf('<td class="number">');
          const matches = you.substring(
            rate_start,
            you.indexOf("</td>", rate_start),
          ).match(/(\d+\.\d+).*\d+\/(\d+)/);
          if (matches == null) return;
          const [, rate, _modules] = matches;
          return rate;
        },
      )
    ),
  ).then((rates) => rates.filter((i) => typeof i === "string")).then((rates) =>
    rates.reduce((x, y) => parseFloat(x, 10) + parseFloat(y, 10)) / rates.length
  ).then((avg) => console.log(avg));
} else if (url.match("/courses/")) {
  (async () => {
    const pages = [].slice.call(
      document.querySelectorAll(
        "#main > div > div.span10.main > ul > li > a:nth-child(1)",
      ),
    ).map((
      i,
    ) => [i, fetch(`${i.href}/evaluations/`).then((res) => res.text())]);

    const unsorted = [];

    for (const [url, p] of pages) {
      const page = await p;
      const dummy = document.createElement("div");
      const start = page.indexOf("<table");
      dummy.innerHTML = page.substring(
        start,
        page.indexOf("</table>", start),
      ).trim();

      const evaluationsTable = dummy.getElementsByClassName("evaluations")[0],
        evaluations = dummy.querySelectorAll(
          "table.evaluations tr.evaluation",
        );

      const avg = [].slice.apply(evaluations).reduce((x, y) =>
        parseInt(
          typeof x === "number"
            ? x
            : x.querySelector("td:nth-child(3)").innerText,
          10,
        ) + parseInt(
          typeof y === "number"
            ? y
            : y.querySelector("td:nth-child(3)").innerText,
          10,
        ), 0);

      unsorted.push([url, (avg / evaluations.length).toFixed(3)]);
    }

    const allavg = unsorted.reduce(([, x], [, y]) => [undefined, parseFloat(Number.isNaN(+x) ? 0 : x, 10) + parseFloat(Number.isNaN(+y) ? 0 : y, 10)])[1] / unsorted.filter(([, x]) => !Number.isNaN(+x)).length;
    const avgli = document.createElement("li");
    avgli.classList.add("student");
    avgli.classList.add("active");
    //avgli.style.backgroundColor = "#FF1818";
    avgli.innerHTML = '<a href="#AVG"><img src="" style="height: 79px; width: auto"></a><span class=""></span><br><a href="#AVG">AVERAGE USER</a>';
    unsorted.push(["#AVG", allavg.toFixed(3)]);

    const lisorted = unsorted.sort(([, x], [, y]) => x - y).map(
      ([href, avg]) => {
        let student = null;

        if (href === "#AVG") {
          student = avgli;
        } else {
          const url = (new URL(href).pathname).replace(/\/?evaluations\/?/, "");
          student = document.querySelector(
            `#main > div > div.span10.main > ul > li:has(a[href="${url}"])`,
          );
        }

        const n = student.querySelector("span");
        if (n != null) {
          n.innerText += ` (${avg})`;
        }
        return student;
      },
    );

    const list = document.querySelector("#main > div > div.span10.main > ul");

    [].slice.apply(list.querySelectorAll("li")).forEach((i) => i.remove());

    lisorted.forEach((i) => list.append(i));
  })();
}