91 lines
2.5 KiB
JavaScript
91 lines
2.5 KiB
JavaScript
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// vim: set ts=2 sw=2 et tw=80:
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function roomStatus(room, callback) {
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return new Promise((resolve, _) => {
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const xhr = new XMLHttpRequest();
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xhr.addEventListener('load', () => {
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const parser = new DOMParser();
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const doc = parser.parseFromString(xhr.responseText, 'text/html');
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const lessons =
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doc.querySelectorAll('table.rsContentTable div.rsAptSimple');
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const parsed = [];
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for (let lesson of lessons) {
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const time = lesson.querySelector('span[id$=lblOrario]');
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const start = new Date();
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start.setHours(parseInt(time.innerHTML.substring(1,3)));
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start.setMinutes(parseInt(time.innerHTML.substring(4,6)));
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start.setSeconds(0);
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const end = new Date();
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end.setHours(parseInt(time.innerHTML.substring(7,9)));
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end.setMinutes(parseInt(time.innerHTML.substring(10,12)));
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end.setSeconds(0);
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parsed.push({
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title: lesson.getAttribute('title'),
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start: start,
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end: end
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});
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}
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resolve(parsed);
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});
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xhr.open('GET', 'https://aule.usi.ch/aule/View.aspx?name=' + room);
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xhr.send();
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});
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}
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const ROOMS = [
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'SI-004',
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'SI-005',
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'SI-006',
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'SI-007',
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'SI-008',
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'SI-013',
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'SI-015'
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];
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const ROOM_LIST = document.querySelector(".times");
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const ROOM_TEMPLATE = document.getElementById("room");
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const SLOT_TEMPLATE = document.getElementById("time-slot");
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const FREE_SLOT_TEMPLATE = document.getElementById("time-free");
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function formatTime(date) {
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return (date.getHours() < 10 ? '0' : '') + date.getHours() + ':' +
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(date.getMinutes() < 10 ? '0' : '') + date.getMinutes();
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}
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async function buildRoomMarkup(roomTitle) {
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const data = await roomStatus(roomTitle);
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const room = document.importNode(ROOM_TEMPLATE.content, true);
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const title = room.querySelector('.room-title');
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title.innerHTML = roomTitle;
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const list = room.querySelector('.list');
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for (const d of data) {
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const slot = document.importNode(SLOT_TEMPLATE.content, true);
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const title = slot.querySelector('.title');
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document.getElementById("room");title.innerHTML = d.title;
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const start = slot.querySelector('.start');
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start.innerHTML = formatTime(d.start);
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const end = slot.querySelector('.end');
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end.innerHTML = formatTime(d.end);
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list.appendChild(slot);
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}
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if (data.length == 0) {
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list.appendChild(document.importNode(FREE_SLOT_TEMPLATE.content, true));
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}
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ROOM_LIST.appendChild(room);
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}
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(async function() {
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for (const room of ROOMS) {
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await buildRoomMarkup(room);
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}
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})()
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