HOWTO Delete Non-primary Google Calendar Event?

When you created google calendar event, you will get google event id. something like below :

http://www.google.com/calendar/feeds/default/private/full/yyyyy

After you created non-primary google calendar event, you will get event id similar with following :

http://www.google.com/calendar/feeds/liho.tw_xxxxx%40group.calendar.google.com/
private/full/yyyyy

Following is part of Calendar.php which only supports the google default event :

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function deleteEventById ($client, $eventId)
{
  $event = getEvent($client, $eventId);
  $event->delete();
}
 
function getEvent($client, $eventId)
{
  $gdataCal = new Zend_Gdata_Calendar($client);
  $query = $gdataCal->newEventQuery();
  $query->setUser('default');
  $query->setVisibility('private');
  $query->setProjection('full');
  $query->setEvent($eventId);
 
  try {
    $eventEntry = $gdataCal->getCalendarEventEntry($query);
    return $eventEntry;
  } catch (Zend_Gdata_App_Exception $e) {
    var_dump($e);
    return null;
  }
}

You need to un-commet the following :

$query->setUser(‘default’);

And add your calendar id to similar below :

$query->setUser(‘liho.tw_xxxxx%40group.calendar.google.com’);

After you modified, you are able to delete non-primary google calendar event. However, above example is not smart enough. You should rewrite the getEvent function to add non-primary google calendar id. like below :

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function deleteEventById ($client, $eventId, $calendarid = "default")
{
  $event = getEvent($client, $eventId, $calendarid);
  $event->delete();
}
 
function getEvent($client, $eventId, $calendarid)
{
  $gdataCal = new Zend_Gdata_Calendar($client);
  $query = $gdataCal->newEventQuery();
  $query->setUser($calendarid);
  $query->setVisibility('private');
  $query->setProjection('full');
  $query->setEvent($eventId);
 
  try {
    $eventEntry = $gdataCal->getCalendarEventEntry($query);
    return $eventEntry;
  } catch (Zend_Gdata_App_Exception $e) {
    var_dump($e);
    return null;
  }
}