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fix: Issue #1798 - fixing recurrent calendar events crosstime DST

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Kurtis Blankenship
2020-01-17 22:53:14 -06:00
parent 5bf90ae31d
commit 8aa745471b
10 changed files with 235 additions and 228 deletions
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9
modules/default/calendar/calendarfetcher.js
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@@ -184,7 +184,14 @@ var CalendarFetcher = function(url, reloadInterval, excludedEvents, maximumEntri
// For recurring events, get the set of start dates that fall within the range
// of dates we"re looking for.
var dates = rule.between(past, future, true, limitFunction);
// kblankenship1989 - to fix issue #1798, converting all dates to locale time first, then converting back to UTC time
var pastLocal = moment(past).subtract(past.getTimezoneOffset(), "minutes").toDate();
var futureLocal = moment(past).subtract(future.getTimezoneOffset(), "minutes").toDate();
var datesLocal = rule.between(pastLocal, futureLocal, true, limitFunction);
var dates = datesLocal.map(function(dateLocal) {
var date = moment(dateLocal).add(dateLocal.getTimezoneOffset(), "minutes").toDate();
return date;
});
// The "dates" array contains the set of dates within our desired date range range that are valid
// for the recurrence rule. *However*, it"s possible for us to have a specific recurrence that

15
modules/default/calendar/vendor/ical.js/node-ical.js vendored
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@@ -26,6 +26,17 @@ exports.parseFile = function(filename){
var rrule = require('rrule').RRule
function getLocaleISOString(date) {
var year = date.getFullYear().toString(10).padStart(4,'0');
var month = date.getMonth().toString(10).padStart(2,'0');
var day = date.getDate().toString(10).padStart(2,'0');
var hour = date.getHours().toString(10).padStart(2,'0');
var minute = date.getMinutes().toString(10).padStart(2,'0');
var second = date.getSeconds().toString(10).padStart(2,'0');
return `${year}${month}${day}T${hour}${minute}${second}Z`;
}
ical.objectHandlers['RRULE'] = function(val, params, curr, stack, line){
curr.rrule = line;
return curr
@@ -50,8 +61,8 @@ ical.objectHandlers['END'] = function (val, params, curr, stack) {
if (typeof curr.start.toISOString === 'function') {
try {
rule += ';DTSTART=' + curr.start.toISOString().replace(/[-:]/g, '');
rule = rule.replace(/\.[0-9]{3}/, '');
// kblankenship1989 - to fix issue #1798, converting all dates to locale time first, then converting back to UTC time
rule += ';DTSTART=' + getLocaleISOString(curr.start);
} catch (error) {
console.error("ERROR when trying to convert to ISOString", error);
}