Export ICS file from KIT Webinscribe. Paste into web console

webinscribe2ics.js

var today = new Date();
var date = prompt("Datum des Montags in der ersten Tutorienwoche (Format TT.MM.JJJJ)",('0' + today.getDate()).slice(-2)+"."+('0' + (today.getMonth()+1)).slice(-2)+"."+today.getFullYear());
var count = prompt("Anzahl der Wiederholungen","13");
if(date != null && count != null) {
	var temp = date.split(".");
	var year = temp[2];
	var month = temp[1];
	var day = parseInt(temp[0]);
	var out = "BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//phiresky.de//tools\n";
	var t = $("table.piTable>tbody").children;
	var m = year+month;
	for (i = 0; i < t.length; i++) {
		var e = t[i].children,
			name = e[0].textContent.trim(),
			tutor = e[1].textContent,
			regex = /Tutorium (..) ([-0-9:]+) (.*)/.exec(e[2].textContent.trim()),
			wd = regex[1],
			zeit = regex[2],
			raum = regex[3],
			wd = ["Mo", "Di", "Mi", "Do", "Fr"].indexOf(wd),
			zeit = /(..):(..)-(..):(..)/.exec(zeit),
			start = m + (day + wd) + "T" + zeit[1] + zeit[2] + "00",
			end = m + (day + wd) + "T" + zeit[3] + zeit[4] + "00";
		out += "BEGIN:VEVENT"+
		  "\nLOCATION:" + raum + 
		  "\nSUMMARY:Tutorium für " + name.replace(/,/g, "\\,") + 
		  "\nDESCRIPTION:" + tutor + 
		  "\nDTSTART:" + start + 
		  "\nDTEND:" + end + 
		  "\nRRULE:FREQ=WEEKLY;COUNT="+count+"\nEND:VEVENT\n";
	};
	out += "END:VCALENDAR\n";
	var a = document.body.appendChild(document.createElement("a"));
	a.href = URL.createObjectURL(new Blob([out], {type: "text/calendar"}));
	a.download = "Tutorien "+(month>6?"WS":"SS")+" "+year+" " + $("h3").textContent.match(/.{6}(.*)/)[1] + ".ics";
	a.click();
}