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Update ical_parser to parse in UTC and convert to local time.

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Using j08lue's fork from https://github.com/j08lue/JavaScript-Ical-Parser
This commit is contained in:
Chris Mulligan 2014-08-20 10:42:25 -04:00
parent eb7350fb52
commit 24ab382bb2
1 changed files with 52 additions and 12 deletions
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60
js/ical_parser.js Executable file → Normal file
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@ -40,7 +40,7 @@ function ical_parser(feed_url, callback){
*/
this.makeDate = function(ical_date){
//break date apart
var dt = {
var dtutc = {
year: ical_date.substr(0,4),
month: ical_date.substr(4,2),
day: ical_date.substr(6,2),
@ -48,9 +48,19 @@ function ical_parser(feed_url, callback){
minute: ical_date.substr(11,2)
}
//Create JS date (months start at 0 in JS - don't ask)
dt.date = new Date(dt.year, (dt.month-1), dt.day, dt.hour, dt.minute);
var utcdatems = Date.UTC(dtutc.year, (dtutc.month-1), dtutc.day, dtutc.hour, dtutc.minute);
var dt = {};
dt.date = new Date(utcdatems);
dt.year = dt.date.getFullYear();
dt.month = ('0' + (dt.date.getMonth()+1)).slice(-2);
dt.day = ('0' + dt.date.getDate()).slice(-2);
dt.hour = ('0' + dt.date.getHours()).slice(-2);
dt.minute = ('0' + dt.date.getMinutes()).slice(-2);
//Get the full name of the given day
dt.dayname =["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"][dt.date.getDay()];
dt.monthname = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ][dt.date.getMonth()] ;
return dt;
}
@ -66,7 +76,7 @@ function ical_parser(feed_url, callback){
this.events = [];
//Clean string and split the file so we can handle it (line by line)
cal_array = data.replace(new RegExp( "\\r", "g" ), "").split("\n");
cal_array = data.replace(new RegExp( "\\r", "g" ), "").replace(/\n /g,"").split("\n");
//Keep track of when we are activly parsing an event
var in_event = false;
@ -80,18 +90,23 @@ function ical_parser(feed_url, callback){
cur_event = {};
}
//If we encounter end event, complete the object and add it to our events array then clear it for reuse.
if(in_event && ln == 'END:VEVENT'){
if(in_event && ln == 'END:VEVENT'){
in_event = false;
this.events.push(cur_event);
cur_event = null;
}
//If we are in an event
if(in_event){
else if(in_event){
//var lntrim = ln.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
//var lnsplit = lntrim.split(':');
//type = lnsplit[0];
//val = lnsplit[1];
//Split the item based on the first ":"
idx = ln.indexOf(':');
//Apply trimming to values to reduce risks of badly formatted ical files.
type = ln.substr(0,idx).replace(/^\s\s*/, '').replace(/\s\s*$/, '');//Trim
val = ln.substr(idx+1,ln.length-(idx+1)).replace(/^\s\s*/, '').replace(/\s\s*$/, '');
val = ln.substr(idx+1).replace(/^\s\s*/, '').replace(/\s\s*$/, '');
//If the type is a start date, proccess it and store details
if(type =='DTSTART'){
@ -101,9 +116,10 @@ function ical_parser(feed_url, callback){
cur_event.start_time = dt.hour+':'+dt.minute;
cur_event.start_date = dt.day+'/'+dt.month+'/'+dt.year;
cur_event.day = dt.dayname;
cur_event.start_date_long = dt.day+'. '+dt.monthname+' '+dt.year ;
}
//If the type is an end date, do the same as above
if(type =='DTEND'){
else if(type =='DTEND'){
dt = this.makeDate(val);
val = dt.date;
//These are helpful for display
@ -112,7 +128,15 @@ function ical_parser(feed_url, callback){
cur_event.day = dt.dayname;
}
//Convert timestamp
if(type =='DTSTAMP') val = this.makeDate(val).date;
else if(type =='DTSTAMP'){
val = this.makeDate(val).date;
}
else {
val = val
.replace(/\\r\\n/g,'<br />')
.replace(/\\n/g,'<br />')
.replace(/\\,/g,',');
}
//Add the value to our event object.
cur_event[type] = val;
@ -153,12 +177,28 @@ function ical_parser(feed_url, callback){
var future_events = [], current_date = new Date();
this.events.forEach(function(itm){
//If the event starts after the current time, add it to the array to return.
if(itm.DTSTART > current_date) future_events.push(itm);
//If the event ends after the current time, add it to the array to return.
if(itm.DTEND > current_date) future_events.push(itm);
});
return future_events;
}
/**
* getPastEvents
* return all events sheduled to take place before the current date.
*
* @return list of events objects
*/
this.getPastEvents = function(){
var past_events = [], current_date = new Date();
this.events.forEach(function(itm){
//If the event ended before the current time, add it to the array to return.
if(itm.DTEND <= current_date) past_events.push(itm);
});
return past_events.reverse();
}
/**
* load
* load a new ICAL file.