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Google Apps Script to automatically create, edit and delete events on work calendar for personal calendar events. Instructions on how to set up can be found at https://medium.com/@willroman/auto-block-time-on-your-work-google-calendar-for-your-personal-events-2a752ae91dab
function sync() {
var id="XXXXXXXXX"; // CHANGE - id of the secondary calendar to pull events from
var today=new Date();
var enddate=new Date();
enddate.setDate(today.getDate()+7); // how many days in advance to monitor and block off time
var secondaryCal=CalendarApp.getCalendarById(id);
// var secondaryEvents=secondaryCal.getEvents(today,enddate,{statusFilters: [CalendarApp.GuestStatus.YES]});
var secondaryEvents=secondaryCal.getEvents(today,enddate);
var primaryCal=CalendarApp.getDefaultCalendar();
var primaryEvents=primaryCal.getEvents(today,enddate); // all primary calendar events accepted
var primaryEventTitle="Personal"; // update this to the text you'd like to appear in the new events created in primary calendar
var stat=1;
var evi, existingEvent;
var primaryEventsFiltered = []; // to contain primary calendar events that were previously created from secondary calendar
var primaryEventsUpdated = []; // to contain primary calendar events that were updated from secondary calendar
var primaryEventsCreated = []; // to contain primary calendar events that were created from secondary calendar
var primaryEventsDeleted = []; // to contain primary calendar events previously created that have been deleted from secondary calendar
Logger.log('Number of primaryEvents: ' + primaryEvents.length);
Logger.log('Number of secondaryEvents: ' + secondaryEvents.length);
// create filtered list of existing primary calendar events that were previously created from the secondary calendar
for (pev in primaryEvents)
{
var pEvent = primaryEvents[pev];
if (pEvent.getTitle() == primaryEventTitle)
{ primaryEventsFiltered.push(pEvent); }
}
// process all events in secondary calendar
for (sev in secondaryEvents)
{
stat=1;
evi=secondaryEvents[sev];
if (evi.getMyStatus() == CalendarApp.GuestStatus.MAYBE || evi.getMyStatus() == CalendarApp.GuestStatus.INVITED) {
Logger.log('Ignoring unconfirmed event: ' + evi.getTitle() + '[' + evi.getMyStatus() + ']');
continue;
} else {
Logger.log('Event status: ' + evi.getTitle() + '[' + evi.getMyStatus() + ']');
}
// if the secondary event has already been blocked in the primary calendar, update it
for (existingEvent in primaryEventsFiltered)
{
var pEvent = primaryEventsFiltered[existingEvent];
var secondaryTitle = evi.getTitle();
var secondaryDesc = evi.getDescription();
if ((pEvent.getStartTime().getTime()==evi.getStartTime().getTime()) && (pEvent.getEndTime().getTime()==evi.getEndTime().getTime()))
{
stat=0;
pEvent.setTitle(primaryEventTitle);
pEvent.setDescription(secondaryTitle + '\n\n' + secondaryDesc);
// event.setDescription(evi.getTitle() + '\n\n' + evi.getDescription());
pEvent.setVisibility(CalendarApp.Visibility.PRIVATE); // set blocked time as private appointments in work calendar
primaryEventsUpdated.push(pEvent.getId());
Logger.log('PRIMARY EVENT UPDATED'
+ '\nprimaryId: ' + pEvent.getId() + ' \nprimaryTitle: ' + pEvent.getTitle() + ' \nprimaryDesc: ' + pEvent.getDescription());
}
}
if (stat==0) continue;
var d = evi.getStartTime();
var n = d.getDay();
if (evi.isAllDayEvent())
{
continue; // Do nothing if the event is an all-day or multi-day event. This script only syncs hour-based events
}
else if (n==1 || n==2 || n==3 || n==4 || n==5) // skip weekends. Delete this if you want to include weekends
// if the secondary event does not exist in the primary calendar, create it
{
var newEvent = primaryCal.createEvent(primaryEventTitle,evi.getStartTime(),evi.getEndTime()); // change the Booked text to whatever you would like your merged event titles to be
// alternative version below that copies the exact secondary event information into the primary calendar event
// var newEvent = primaryCal.createEvent(evi.getTitle(),evi.getStartTime(),evi.getEndTime(), {location: evi.getLocation(), description: evi.getDescription()});
newEvent.setDescription(evi.getTitle() + '\n\n' + evi.getDescription());
newEvent.setVisibility(CalendarApp.Visibility.PRIVATE); // set blocked time as private appointments in work calendar
newEvent.removeAllReminders(); // so you don't get double notifications. Delete this if you want to keep the default reminders for your newly created primary calendar events
primaryEventsCreated.push(newEvent.getId());
Logger.log('PRIMARY EVENT CREATED'
+ '\nprimaryId: ' + newEvent.getId() + '\nprimaryTitle: ' + newEvent.getTitle() + '\nprimaryDesc ' + newEvent.getDescription() + '\n');
}
}
// if a primary event previously created no longer exists in the secondary calendar, delete it
for (pev in primaryEventsFiltered)
{
var pevIsUpdatedIndex = primaryEventsUpdated.indexOf(primaryEventsFiltered[pev].getId());
if (pevIsUpdatedIndex == -1)
{
var pevIdToDelete = primaryEventsFiltered[pev].getId();
Logger.log(pevIdToDelete + ' deleted');
primaryEventsDeleted.push(pevIdToDelete);
primaryEventsFiltered[pev].deleteEvent();
}
}
Logger.log('Primary events previously created: ' + primaryEventsFiltered.length);
Logger.log('Primary events updated: ' + primaryEventsUpdated.length);
Logger.log('Primary events deleted: ' + primaryEventsDeleted.length);
Logger.log('Primary events created: ' + primaryEventsCreated.length);
}
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