/**
* @return Zend_Gdata_App_Feed|NULL
*/
public static function internalGetEvents($calendar, $startDate = null, $endDate = null, $max = 1000, $filter = null, $orderBy = GCalendarZendHelper::ORDER_BY_START_TIME, $pastEvents = false, $sortOrder = GCalendarZendHelper::SORT_ORDER_ASC, $startIndex = 1)
{
try {
$client = new Zend_Http_Client();
if (!empty($calendar->username) && !empty($calendar->password)) {
$client = Zend_Gdata_ClientLogin::getHttpClient($calendar->username, $calendar->password, Zend_Gdata_Calendar::AUTH_SERVICE_NAME);
}
$service = new Zend_Gdata_Calendar($client);
$query = $service->newEventQuery();
$query->setUser($calendar->calendar_id);
if ($calendar->magic_cookie != null) {
$query->setVisibility('private-' . $calendar->magic_cookie);
}
$query->setProjection('full');
$query->setOrderBy($orderBy);
$query->setSortOrder($sortOrder);
$query->setSingleEvents('true');
if (!empty($filter)) {
$query->setQuery($filter);
}
if ($startDate != null) {
$query->setStartMin(JFactory::getDate($startDate)->format('Y-m-d\\TH:i:s'));
}
if ($endDate != null) {
$query->setStartMax(JFactory::getDate($endDate)->format('Y-m-d\\TH:i:s'));
}
if ($startDate == null && $endDate == null) {
$query->setFutureEvents($pastEvents ? 'false' : 'true');
}
$query->setMaxResults($max);
$query->setStartIndex($startIndex);
$query->setParam('ctz', 'UTC');
$query->setParam('hl', GCalendarUtil::getFrLanguage());
$feed = $service->getFeed($query, 'GCalendar_Feed');
foreach ($feed as $event) {
$event->setParam('gcid', $calendar->id);
$event->setParam('gccolor', $calendar->color);
$event->setParam('gcname', $calendar->name);
}
return $feed;
} catch (Zend_Gdata_App_Exception $e) {
JError::raiseWarning(200, $e->getMessage());
return null;
}
}