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Alternative version of the calendar

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m11 2021-02-01 22:18:10 +01:00
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commit 5b763171d1
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---
layout: default
---
<div class="container">
<h1>Termine</h1>
<hr />
<h3>Coronabedingt sind die Clubräume derzeit geschlossen. Alle Termine finden virtuell statt.</h3>
<hr />
<h2>Events</h2>
<div id="calendar">
Loading Events, please stand by …
</div>
<hr/>
<h2 >Regelmäßige Treffen</h2>
<div id="calendar-recurring">
<h3 id="chaostreff">Chaostreff</h3>
<p><strong>Mittwochs, ab ca. 19 Uhr</strong>
Ein offener Tag für Außenstehende. Jeder, der sich für den CCC oder einen Hackerspace interessiert, ist eingeladen.
Um 20:00 Uhr gibt es immer einen Kurzvortrag ‘Petit Foo’ zu ganz unterschiedlichen Themen.
Der Chaostreff findet zur Zeit online über Big Blue Button statt:
<a href="https://treff.chaospott.de">treff.chaospott.de</a></p>
</div>
<p >
</p>
<hr/>
<p >Den Kalender gibt es auch per <a href="webcal://cloud.chaospott.ru/calendar/ical.ics">CalDAV</a>. Fehlt etwas? Oder hast du Fragen? Dann schreib uns einfach eine <a href="mailto:info@chaospott.de">Mail!</a></p>
</div>
<script src="js/ical.min.js"></script>
<script src="js/calv2.js"></script>

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var eventList = []
var recurringEventList = []
var cancelledEvents = {}
function Event (start, event) {
if (!(start instanceof Date)) {
start = start.toJSDate()
}
this.start = start
this.event = event
this.end = new Date(this.start.getTime() + this.event.duration.toSeconds()*1000)
this.summary = event.summary || 'No title'
this.description = event.description
this.location = event.location || false
this.isRecurring = event.isRecurring()
this.lasts_several_days = this.start.toDateString() !== this.end.toDateString()
}
Event.prototype.isCancelled = function () {
if (cancelledEvents[this.event.uid] instanceof Array
&& cancelledEvents[this.event.uid].includes(this.start.getTime())) return true
return false
}
Event.prototype.toHTML = function () {
var div_cal = document.createElement('div')
if (this.isRecurring) {
div_cal.setAttribute('class', 'cal_entry')
var div_datetime = document.createElement('div')
div_datetime.setAttribute('class', 'cal_datetime')
var span_summary = document.createElement('span')
span_summary.setAttribute('class', 'cal_summary')
span_summary.appendChild(document.createTextNode(this.summary))
div_datetime.appendChild(span_summary)
div_cal.appendChild(div_datetime)
var div_description = document.createElement('div')
div_description.setAttribute('class', 'cal_descriptionbox')
//div_description.appendChild(span_summary)
var span_description = document.createElement('div')
span_description.setAttribute('class', 'cal_description')
if (this.description !== null) {
var span_description = document.createElement('span')
span_description.setAttribute('class', 'cal_description')
span_description.appendChild(document.createTextNode(this.description))
}
div_description.appendChild(span_description)
var span_next = document.createElement('span')
span_next.setAttribute('class', 'cal_description')
span_next.appendChild(document.createTextNode("Das nächste Treffen findet am "
+ this.start.toLocaleDateString('de-DE', {year: 'numeric', month: '2-digit', day: '2-digit'})
+ " um " + this.start.toLocaleTimeString('de-DE', {hour: '2-digit', minute:'2-digit'})
+ " statt."
))
div_description.appendChild(span_next)
div_cal.appendChild(div_description)
} else {
div_cal.setAttribute('class', 'cal_entry')
var div_datetime = document.createElement('div')
div_datetime.setAttribute('class', 'cal_datetime')
var span_date = document.createElement('span')
span_date.setAttribute('class', 'cal_date')
span_date.appendChild(document.createTextNode(this.start.toLocaleDateString('de-DE', {year: 'numeric', month: '2-digit', day: '2-digit'})))
div_datetime.appendChild(span_date)
if (this.lasts_several_days) {
var span_end_date = document.createElement('span')
span_end_date.setAttribute('class', 'cal_date')
span_end_date.appendChild(document.createTextNode(' - ' + this.end.toLocaleString('de-DE', {year: 'numeric', month: '2-digit', day: '2-digit'})))
div_datetime.appendChild(span_end_date)
} else {
var span_day = document.createElement('span')
span_day.setAttribute('class', 'cal_day')
span_day.appendChild((document.createTextNode(this.start.toLocaleDateString('de-DE', {weekday: 'long'}))))
div_datetime.appendChild(span_day)
}
var span_time = document.createElement('span')
span_time.setAttribute('class', 'cal_time')
span_time.appendChild(document.createTextNode(this.start.toLocaleTimeString('de-DE', {hour: '2-digit', minute:'2-digit'})))
div_datetime.appendChild(span_time)
var span_summary = document.createElement('span')
span_summary.setAttribute('class', 'cal_summary')
span_summary.appendChild(document.createTextNode(this.summary))
var div_description = document.createElement('div')
div_description.setAttribute('class', 'cal_descriptionbox')
div_description.appendChild(span_summary)
if (this.location !== false && !/s(ibyllastra(ss|ß)e )9/i.test(this.location)) {
var span_location = document.createElement('span')
span_location.setAttribute('class', 'cal_location')
var span_location_icon = document.createElement('i')
span_location_icon.setAttribute('class', 'fa fa-map-marker')
span_location_icon.setAttribute('aria-hidden', 'true')
span_location.appendChild(span_location_icon)
if (this.location.match(/tb(a|d)/i)) {
span_location.appendChild(document.createTextNode(this.location))
} else {
var a_location_osm = document.createElement('a')
a_location_osm.setAttribute('href', 'https://www.openstreetmap.org/search?query=' + encodeURI(this.location))
a_location_osm.appendChild(document.createTextNode(this.location))
span_location.appendChild(a_location_osm)
}
div_description.appendChild(span_location)
}
div_cal.appendChild(div_datetime)
div_cal.appendChild(div_description)
if (this.description !== null) {
var parts = this.description.split(/\r\n|\r|\n/)
parts.map(function (i) {
var span_description = document.createElement('span')
span_description.setAttribute('class', 'cal_description')
words = i.split(' ')
words.forEach(function(word) {
if (word.match(/(ht|f)tps?\:\/\//i)) {
var a = document.createElement('a')
a.setAttribute('href', word)
a.appendChild(document.createTextNode(word))
span_description.appendChild(a)
} else {
span_description.appendChild(document.createTextNode(word))
}
span_description.appendChild(document.createTextNode(' '))
})
div_description.appendChild(span_description)
})
}
// if (this.event.component.getFirstPropertyValue("status") == "CANCELLED") {
// div_cal.style.textDecoration = 'line-through'
// }
}
return div_cal
}
function parseIcalData(data) {
var timeRangeStart = new Date()
var timeRangeStop = new Date()
timeRangeStart.setHours(0, 0, 0)
timeRangeStop.setMonth(timeRangeStop.getMonth() + 1)
var jcalData = ICAL.parse(data)
var vcalendar = new ICAL.Component(jcalData)
var events = vcalendar.getAllSubcomponents('vevent')
events.map(function (e) {
var event = new ICAL.Event(e)
if (event.component.getFirstPropertyValue("status") == "CANCELLED") {
// console.log(event)
if (!(cancelledEvents[event.uid] instanceof Array)) {
cancelledEvents[event.uid] = []
}
cancelledEvents[event.uid].push(event.startDate.toJSDate().getTime())
} else if (event.isRecurring()) {
var expand = event.iterator()
var next
var exList = []
event.component.getAllProperties('exdate').map(function (ex) {
exList.push(ex.getFirstValue().toJSDate().getTime())
})
// particularly crappy code, but it works
while ((next = expand.next()) && next.toJSDate() < timeRangeStop) {
if (!exList.includes(next.toJSDate().getTime()) && timeRangeStart < next.toJSDate() && next.toJSDate() < timeRangeStop) {
recurringEventList.push(new Event(next, event))
break
}
}
} else if (eventInTimeRange(event, timeRangeStart, timeRangeStop)) {
eventList.push(new Event(event.startDate, event))
}
})
}
function eventInTimeRange(event, start, stop) {
if (start < event.startDate.toJSDate() && event.startDate.toJSDate() < stop
|| start < event.endDate.toJSDate() && event.endDate.toJSDate() < stop
|| event.startDate.toJSDate() < start && stop < event.endDate.toJSDate()) return true
return false
}
function orderEvents() {
eventList.sort(function (e1, e2) {
return e1.start - e2.start
})
}
function writeEvents() {
var cal = document.getElementById('calendar')
cal.textContent = ''
// TODO: Wenn EventList leer, dann Event-Abschnitt ausblenden
if (eventList.length > 0) {
eventList.map(function (e) {
cal.appendChild(e.toHTML())
})
} else {
cal.textContent = 'No events found.'
}
var calRecur = document.getElementById('calendar-recurring')
calRecur.textContent = ''
if (recurringEventList.length > 0) {
recurringEventList.map(function (e) {
calRecur.appendChild(e.toHTML())
})
} else {
calRecur.textContent = 'No events found.'
}
}
function xhrRequest(url, callback, fail) {
var xhr = new XMLHttpRequest()
xhr.onreadystatechange = function () {
if (xhr.readyState === XMLHttpRequest.DONE) {
if (xhr.status === 200) {
callback(xhr.responseText)
} else {
fail(xhr.status)
}
}
}
xhr.open('GET', url)
xhr.send()
}
function processData(data) {
parseIcalData(data)
orderEvents()
writeEvents()
}
function requestFailed(status) {
document.getElementById('calendar').textContent = 'Something has gone wrong. Try reloading the page.'
document.getElementById('calendar-recurring').textContent = 'Something has gone wrong. Try reloading the page.'
}
xhrRequest('https://cloud.chaospott.ru/remote.php/dav/public-calendars/5HM7B0ZOLEYC3QD0?export', processData, requestFailed)