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add option to not delete past events #317

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merged 6 commits into from
Mar 24, 2023
Merged

add option to not delete past events #317

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9a37e98
add option to not delete past events #117
non-bin Feb 21, 2023
4707c19
Merge branch 'master' into removePastEvents
non-bin Feb 21, 2023
05df7c4
Remove unnessacary variable passed to processEventCleanup
non-bin Feb 25, 2023
b359f85
Fix date comparison
non-bin Feb 25, 2023
5fc7991
add check of start.date
non-bin Feb 27, 2023
ebbfa5e
Make ln 644 easier to understand
non-bin Mar 23, 2023
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59 changes: 30 additions & 29 deletions Code.gs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
*=========================================
* INSTALLATION INSTRUCTIONS
*=========================================
*
*
* 1) Make a copy:
* New Interface: Go to the project overview icon on the left (looks like this: ⓘ), then click the "copy" icon on the top right (looks like two files on top of each other)
* Old Interface: Click in the menu "File" > "Make a copy..." and make a copy to your Google Drive
Expand All @@ -23,31 +23,32 @@

var sourceCalendars = [ // The ics/ical urls that you want to get events from along with their target calendars (list a new row for each mapping of ICS url to Google Calendar)
// For instance: ["https://p24-calendars.icloud.com/holidays/us_en.ics", "US Holidays"]
// Or with colors following mapping https://developers.google.com/apps-script/reference/calendar/event-color,
// Or with colors following mapping https://developers.google.com/apps-script/reference/calendar/event-color,
// for instance: ["https://p24-calendars.icloud.com/holidays/us_en.ics", "US Holidays", "11"]
["icsUrl1", "targetCalendar1"],
["icsUrl2", "targetCalendar2"],
["icsUrl3", "targetCalendar1"]

];

var howFrequent = 15; // What interval (minutes) to run this script on to check for new events
var onlyFutureEvents = false; // If you turn this to "true", past events will not be synced (this will also removed past events from the target calendar if removeEventsFromCalendar is true)
var addEventsToCalendar = true; // If you turn this to "false", you can check the log (View > Logs) to make sure your events are being read correctly before turning this on
var modifyExistingEvents = true; // If you turn this to "false", any event in the feed that was modified after being added to the calendar will not update
var removeEventsFromCalendar = true; // If you turn this to "true", any event created by the script that is not found in the feed will be removed.
var addAlerts = "yes"; // Whether to add the ics/ical alerts as notifications on the Google Calendar events or revert to the calendar's default reminders ("yes", "no", "default").
var addOrganizerToTitle = false; // Whether to prefix the event name with the event organiser for further clarity
var descriptionAsTitles = false; // Whether to use the ics/ical descriptions as titles (true) or to use the normal titles as titles (false)
var addCalToTitle = false; // Whether to add the source calendar to title
var addAttendees = false; // Whether to add the attendee list. If true, duplicate events will be automatically added to the attendees' calendar.
var defaultAllDayReminder = -1; // Default reminder for all day events in minutes before the day of the event (-1 = no reminder, the value has to be between 0 and 40320)
// See https://github.com/derekantrican/GAS-ICS-Sync/issues/75 for why this is neccessary.
var overrideVisibility = ""; // Changes the visibility of the event ("default", "public", "private", "confidential"). Anything else will revert to the class value of the ICAL event.
var howFrequent = 15; // What interval (minutes) to run this script on to check for new events
var onlyFutureEvents = false; // If you turn this to "true", past events will not be synced (this will also removed past events from the target calendar if removeEventsFromCalendar is true)
var addEventsToCalendar = true; // If you turn this to "false", you can check the log (View > Logs) to make sure your events are being read correctly before turning this on
var modifyExistingEvents = true; // If you turn this to "false", any event in the feed that was modified after being added to the calendar will not update
var removeEventsFromCalendar = true; // If you turn this to "true", any event created by the script that is not found in the feed will be removed.
var removePastEventsFromCalendar = true; // If you turn this to "false", any event that is in the past will not be removed.
var addAlerts = "yes"; // Whether to add the ics/ical alerts as notifications on the Google Calendar events or revert to the calendar's default reminders ("yes", "no", "default").
var addOrganizerToTitle = false; // Whether to prefix the event name with the event organiser for further clarity
var descriptionAsTitles = false; // Whether to use the ics/ical descriptions as titles (true) or to use the normal titles as titles (false)
var addCalToTitle = false; // Whether to add the source calendar to title
var addAttendees = false; // Whether to add the attendee list. If true, duplicate events will be automatically added to the attendees' calendar.
var defaultAllDayReminder = -1; // Default reminder for all day events in minutes before the day of the event (-1 = no reminder, the value has to be between 0 and 40320)
// See https://github.com/derekantrican/GAS-ICS-Sync/issues/75 for why this is neccessary.
var overrideVisibility = ""; // Changes the visibility of the event ("default", "public", "private", "confidential"). Anything else will revert to the class value of the ICAL event.
var addTasks = false;

var emailSummary = false; // Will email you when an event is added/modified/removed to your calendar
var email = ""; // OPTIONAL: If "emailSummary" is set to true or you want to receive update notifications, you will need to provide your email address
var emailSummary = false; // Will email you when an event is added/modified/removed to your calendar
var email = ""; // OPTIONAL: If "emailSummary" is set to true or you want to receive update notifications, you will need to provide your email address

/*
*=========================================
Expand Down Expand Up @@ -103,7 +104,7 @@ function install(){
//Schedule sync routine to explicitly repeat and schedule the initial sync
ScriptApp.newTrigger("startSync").timeBased().everyMinutes(getValidTriggerFrequency(howFrequent)).create();
ScriptApp.newTrigger("startSync").timeBased().after(1000).create();

//Schedule sync routine to look for update once per day
ScriptApp.newTrigger("checkForUpdate").timeBased().everyDays(1).create();
}
Expand Down Expand Up @@ -133,15 +134,15 @@ function startSync(){
Logger.log("Another iteration is currently running! Exiting...");
return;
}

PropertiesService.getUserProperties().setProperty('LastRun', new Date().getTime());

if (onlyFutureEvents)
startUpdateTime = new ICAL.Time.fromJSDate(new Date());
//Disable email notification if no mail adress is provided

//Disable email notification if no mail adress is provided
emailSummary = emailSummary && email != "";

sourceCalendars = condenseCalendarMap(sourceCalendars);
for (var calendar of sourceCalendars){
//------------------------ Reset globals ------------------------
Expand All @@ -158,12 +159,12 @@ function startSync(){
//------------------------ Fetch URL items ------------------------
var responses = fetchSourceCalendars(sourceCalendarURLs);
Logger.log("Syncing " + responses.length + " calendars to " + targetCalendarName);

//------------------------ Get target calendar information------------------------
var targetCalendar = setupTargetCalendar(targetCalendarName);
targetCalendarId = targetCalendar.id;
Logger.log("Working on calendar: " + targetCalendarId);

//------------------------ Parse existing events --------------------------
if(addEventsToCalendar || modifyExistingEvents || removeEventsFromCalendar){
var eventList =
Expand Down Expand Up @@ -192,22 +193,22 @@ function startSync(){
vevents = parseResponses(responses, icsEventsIds);
Logger.log("Parsed " + vevents.length + " events from ical sources");
}

//------------------------ Process ical events ------------------------
if (addEventsToCalendar || modifyExistingEvents){
Logger.log("Processing " + vevents.length + " events");
var calendarTz =
callWithBackoff(function(){
return Calendar.Settings.get("timezone").value;
}, defaultMaxRetries);

vevents.forEach(function(e){
processEvent(e, calendarTz);
});

Logger.log("Done processing events");
}

//------------------------ Remove old events from calendar ------------------------
if(removeEventsFromCalendar){
Logger.log("Checking " + calendarEvents.length + " events for removal");
Expand Down
10 changes: 9 additions & 1 deletion Helpers.gs
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Original file line number Diff line number Diff line change
Expand Up @@ -641,7 +641,15 @@ function processEventCleanup(){
var currentID = calendarEventsIds[i];
var feedIndex = icsEventsIds.indexOf(currentID);

if(feedIndex == -1 && calendarEvents[i].recurringEventId == null){
if(feedIndex == -1 // Event is no longer in source
&& calendarEvents[i].recurringEventId == null // And it's not a recurring event
&& ( // And one of:
removePastEventsFromCalendar // We want to remove past events
|| new Date(calendarEvents[i].start.dateTime) > new Date() // Or the event is in the future
|| new Date(calendarEvents[i].start.date) > new Date() // (2 different ways event start can be stored)
)
)
{
Logger.log("Deleting old event " + currentID);
callWithBackoff(function(){
Calendar.Events.remove(targetCalendarId, calendarEvents[i].id);
Expand Down