129 lines
3.8 KiB
JavaScript
129 lines
3.8 KiB
JavaScript
var VCAL_DATETIME_FORMAT = "YMMDD[T]HHmmss"; //20160216T130500
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var UID_FORMAT = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx';
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var NEW_LINE = "\r\n";
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function VMeta() {
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this.properties = new Map();
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this.children = [];
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this.tag = "VMETA";
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}
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VMeta.formatDate = function (aMoment) {
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'use strict';
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return aMoment.format(VCAL_DATETIME_FORMAT);
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};
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VMeta.generateUID = function () {
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'use strict';
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return UID_FORMAT.replace(/[xy]/g, function (c) {
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var r = Math.random() * 16 | 0,
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v = c == 'x' ? r : (r & 0x3 | 0x8);
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return v.toString(16);
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});
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};
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VMeta.prototype.set = function (key, value) {
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'use strict';
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this.properties.set(key, value);
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};
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VMeta.prototype.get = function (key) {
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'use strict';
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this.properties.get(key);
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};
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VMeta.prototype.add = function (child) {
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'use strict';
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this.children.push(child);
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};
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VMeta.prototype.mapToString = function () {
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'use strict';
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var output = "";
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this.properties.forEach(function (value, key, map) {
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output += (NEW_LINE + key + ":" + value);
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});
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return output;
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};
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VMeta.prototype.childrenToString = function () {
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'use strict';
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var output = "";
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this.children.forEach(function (child) {
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output += (NEW_LINE + child.toString());
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});
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return output;
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};
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VMeta.prototype.toString = function () {
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'use strict';
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var output = "BEGIN:" + this.tag;
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output += this.mapToString();
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output += this.childrenToString();
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output += (NEW_LINE + "END:" + this.tag);
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return output;
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};
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function VCalendar(calendarName) {
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'use strict';
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VMeta.call(this);
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this.add(VTimeZone.Berlin());
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this.tag = "VCALENDAR";
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this.set('X-WR-CALNAME', calendarName);
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this.set('VERSION', '2.0');
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this.set('PRODID', window.location.href);
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this.set('METHOD', "PUBLISH");
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this.set('X-WR-TIMEZONE', "Europe/Berlin");
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this.set('CALSCALE', "GREGORIAN");
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};
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VCalendar.prototype = Object.create(VMeta.prototype);
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VCalendar.prototype.constructor = VCalendar;
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function VEvent(timezoneName, startMoment, endMoment, title, description) {
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VMeta.call(this);
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this.tag = "VEVENT";
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this.set('DTSTART;TZID=' + timezoneName, VMeta.formatDate(startMoment));
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this.set('DTEND;TZID=' + timezoneName, VMeta.formatDate(endMoment));
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this.set('DTSTAMP', VMeta.formatDate(moment()) + "Z");
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this.set('UID', VMeta.generateUID());
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this.set('SUMMARY', title);
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this.set('DESCRIPTION', description);
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this.set('CLASS', "PUBLIC");
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this.set('TRANSP', "OPAQUE");
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this.set('STATUS', "CONFIRMED");
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this.set('ORGANIZER', "");
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}
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VEvent.prototype = Object.create(VMeta.prototype);
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VEvent.prototype.constructor = VEvent;
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function VTimeZone() {
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VMeta.call(this);
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this.tag = "VTIMEZONE";
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}
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VTimeZone.prototype = Object.create(VMeta.prototype);
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VTimeZone.prototype.constructor = VTimeZone;
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VTimeZone.Berlin = function () {
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var tz = new VTimeZone();
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tz.children = [VTimeDef.MESZ(), VTimeDef.MEZ()];
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tz.set("TZID", "Europe/Berlin");
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return tz;
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}
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function VTimeDef(name) {
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VMeta.call(this);
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this.tag = name;
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}
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VTimeDef.prototype = Object.create(VMeta.prototype);
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VTimeDef.prototype.constructor = VTimeDef;
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VTimeDef.MESZ = function () {
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var timedef = new VTimeDef("DAYLIGHT");
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timedef.set("TZOFFSETFROM", "+0100");
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timedef.set("RRULE", "FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU");
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timedef.set("DTSTART", "19819329T020000");
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timedef.set("TZNAME", "MESZ");
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timedef.set("TZOFFSETTO", "+0200");
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return timedef;
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}
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VTimeDef.MEZ = function () {
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var timedef = new VTimeDef("STANDARD");
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timedef.set("TZOFFSETFROM", "+0200");
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timedef.set("RRULE", "FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU");
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timedef.set("DTSTART", "19961027T030000");
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timedef.set("TZNAME", "MEZ");
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timedef.set("TZOFFSETTO", "+0100");
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return timedef;
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}
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