// ==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));
})();
}
