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Refactor into object. Add multiple events to calendar. Detect OS for line endings.

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This commit is contained in:
Kyle Hornberg
2013-11-22 13:17:39 -06:00
parent 49573e757e
commit 7d35707930
1 changed files with 95 additions and 45 deletions
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ics.js
+95 -45
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@@ -1,50 +1,100 @@
/* VCS-Maker.js */
download_ics = function(filename, subject, description, location, begin, end, ext) {
var ext = typeof ext !== 'undefined' ? ext : '.ics';
/* global saveAs */
/* global Blob */
/* global BlobBuilder */
/* global console */
/* exported ics */
var ics = function() {
'use strict';
if (navigator.userAgent.indexOf('MSIE') > -1 && navigator.userAgent.indexOf('MSIE 10') == -1) {
console.log('Unsupported Browser');
return;
}
var SEPARATOR = (navigator.appVersion.indexOf('Win') !== -1) ? '\r\n' : '\n';
var calendarEvents = [];
var calendarStart = [
'BEGIN:VCALENDAR',
'VERSION:2.0'
].join(SEPARATOR);
var calendarEnd = SEPARATOR + 'END:VCALENDAR';
return {
/**
* Returns events array
* @return {array} Events
*/
'events' : function () {
return calendarEvents;
},
/**
* Returns calendar
* @return {string} Calendar in iCalendar format
*/
'calendar' : function () {
return calendarStart + calendarEvents.join(SEPARATOR) + calendarEnd;
},
/**
* Add event to the calendar
* @param {string} subject Subject/Title of event
* @param {string} description Description of event
* @param {string} location Location of event
* @param {string} begin Beginning date of event
* @param {string} stop Ending date of event
*/
'addEvent' : function (subject, description, location, begin, stop) {
//TODO add time and time zone? use moment to format?
var start_date = new Date(begin);
var end_date = new Date(stop);
var start_year = ('0000' + (start_date.getFullYear().toString())).slice(-4);
var start_month = ('00' + (start_date.getMonth().toString())).slice(-2) + 1;
var start_day = ('00' + (start_date.getDate().toString())).slice(-2);
var start = start_year + (Number(start_month)+1) + start_day;
var end_year = ('0000' + (end_date.getFullYear().toString())).slice(-4);
var end_month = ('00' + (end_date.getMonth().toString())).slice(-2);
var end_day = ('00' + ((end_date.getDate()+1).toString())).slice(-2);
var end = end_year + (Number(end_month)+1) + end_day;
var calendarEvent = [
'BEGIN:VEVENT',
'CLASS:PUBLIC',
'DESCRIPTION:'+description,
'DTSTART;VALUE=DATE:'+start,
'DTEND;VALUE=DATE:'+end,
'LOCATION:'+location,
'SUMMARY;LANGUAGE=en-us:'+subject,
'TRANSP:TRANSPARENT',
'END:VEVENT'
].join(SEPARATOR);
calendarEvents.push(calendarEvent);
},
/**
* Download calendar using the saveAs function from filesave.js
* @param {string} filename Filename
* @param {string} ext Extention
*/
'download' : function (filename, ext) {
ext = (typeof ext !== 'undefined') ? ext : '.ics';
filename = (typeof filename !== 'undefined') ? filename : 'calendar';
var calendar = calendarStart + calendarEvents.join(SEPARATOR) + calendarEnd;
var blob;
if (navigator.userAgent.indexOf('MSIE 10') > -1) { // chrome or firefox
blob = new Blob([calendar]);
}
else { // ie
var bb = new BlobBuilder();
bb.append(calendar);
blob = bb.getBlob('text/x-vCalendar;charset=' + document.characterSet);
}
saveAs(blob, filename+ext);
}
};
var subject = subject;
var description = description;
var address = location;
var start_date = new Date(begin);
var end_date = new Date(end);
var start_year = ("0000" + (start_date.getFullYear().toString())).slice(-4);
var start_month = ("00" + (start_date.getMonth().toString())).slice(-2);
var start_day = ("00" + (start_date.getDate().toString())).slice(-2);
var start = start_year + start_month + start_day;
var end_year = ("0000" + (end_date.getFullYear().toString())).slice(-4);
var end_month = ("00" + (end_date.getMonth().toString())).slice(-2);
var end_day = ("00" + ((end_date.getDate()+1).toString())).slice(-2);
var end = end_year + end_month + end_day;
var calendar = [
"BEGIN:VCALENDAR",
"VERSION:2.0",
"BEGIN:VEVENT",
"CLASS:PUBLIC",
"DESCRIPTION:"+description,
"DTSTART;VALUE=DATE:"+start,
"DTEND;VALUE=DATE:"+end,
"LOCATION:"+address,
"SUMMARY;LANGUAGE=en-us:"+subject,
"TRANSP:TRANSPARENT",
"END:VEVENT",
"END:VCALENDAR"
].join('\n');
if (navigator.userAgent.indexOf('MSIE 10') > -1) { // chrome or firefox
var blob = new Blob([calendar]);
}
else { // ie
var bb = new BlobBuilder();
bb.append(calendar);
var blob = bb.getBlob("text/x-vCalendar;charset=" + document.characterSet);
}
saveAs(blob, filename+ext);
}
};