Adds correct ratio to each homework.
// ==UserScript==
// @name webwork_extension
// @namespace webwrok.math.ntu.edu.tw
// @version 3.4
// @description Adds correct ratio to each homework.
// @author bert30702, oToToT, WengH
// @match *://*.webwork.math.ntu.edu.tw/*
// @match *://webwork.marianopolis.com/*
// @match *://wwserver.marianopolis.com/*
// @grant none
// ==/UserScript==
(async function(){
function parseScore(str) {
return parseFloat(str);
}
function round(f) {
return Math.round(f * 10) / 10;
}
function getGrade(html_text) {
var m = {};
let d = new DOMParser();
let doc = d.parseFromString(html_text, 'text/html');
let nodes = doc.querySelectorAll("#grades_table tr:not([class=grades-course-total])");
nodes.forEach(function(ele) {
let e = ele.getElementsByTagName('td');
if (e.length > 3) {
m[e[0].innerText] = [parseScore(e[1].innerText), parseScore(e[2].innerText)];
}
});
return m;
}
let grades_url = location.pathname + "/grades/";
let grades_html = await (await fetch(grades_url)).text();
let map = getGrade(grades_html);
document.querySelectorAll('td a').forEach(function(ele) {
// to hide score in closed problems, please uncomment the statement below
// if (ele.parentNode.parentNode.innerText.includes('closed')) return;
let key = ele.innerText;
let span = document.createElement("span");
if (!map[key]) return;
let score = map[key][0];
let total = map[key][1];
if (total == 100) {
span.innerText = ` ${score}%`;
}
else {
span.innerText = ` ${round(score / total * 100)}% (${score} / ${total})`;
}
if (score >= total) {
span.style.color = '#00a000'
}
else if (score === 0) {
span.style.color = '#ff0000'
}
else if (score <= 0.6 * total) {
span.style.color = '#c14900'
}
else {
span.style.color = '#1e90ff'
}
ele.parentNode.appendChild(span);
});
})();