/**
* set calendar component property rrule
*
* @author Kjell-Inge Gustafsson, kigkonsult <*****@*****.**>
* @since 2.16.21 - 2013-06-23
* @param array $rruleset
* @param array $params
* @param integer $index
* @uses calendarComponent::getConfig()
* @uses iCalUtilityFunctions::_setMval()
* @uses iCalUtilityFunctions::_setRexrule()
* @return void
*/
function setRrule($rruleset, $params = FALSE, $index = FALSE)
{
if (empty($rruleset)) {
if ($this->getConfig('allowEmpty')) {
$rruleset = '';
} else {
return FALSE;
}
}
iCalUtilityFunctions::_setMval($this->rrule, iCalUtilityFunctions::_setRexrule($rruleset), $params, FALSE, $index);
return TRUE;
}
/**
* Create list of recurrent instances.
*
* @param Ai1ec_Event $event Event to generate instances for.
* @param array $event_instance First instance contents.
* @param int $_start Timestamp of first occurence.
* @param int $duration Event duration in seconds.
* @param string $timezone Target timezone.
*
* @return array List of event instances.
*/
public function create_instances_by_recurrence(Ai1ec_Event $event, array $event_instance, $_start, $duration, $timezone)
{
$restore_timezone = date_default_timezone_get();
$recurrence_parser = $this->_registry->get('recurrence.rule');
$events = array();
$start = $event_instance['start'];
$wdate = $startdate = $enddate = $this->_parsed_date_array($_start, $timezone);
$enddate['year'] = $enddate['year'] + 3;
$exclude_dates = array();
$recurrence_dates = array();
if ($recurrence_dates = $event->get('recurrence_dates')) {
$recurrence_dates = $this->_populate_recurring_dates($recurrence_dates, $startdate, $timezone);
}
if ($exception_dates = $event->get('exception_dates')) {
$exclude_dates = $this->_populate_recurring_dates($exception_dates, $startdate, $timezone);
}
if ($event->get('exception_rules')) {
// creat an array for the rules
$exception_rules = $recurrence_parser->build_recurrence_rules_array($event->get('exception_rules'));
unset($exception_rules['EXDATE']);
if (!empty($exception_rules)) {
$exception_rules = iCalUtilityFunctions::_setRexrule($exception_rules);
$result = array();
date_default_timezone_set($timezone);
// The first array is the result and it is passed by reference
iCalUtilityFunctions::_recur2date($exclude_dates, $exception_rules, $wdate, $startdate, $enddate);
date_default_timezone_set($restore_timezone);
}
}
$recurrence_rules = $recurrence_parser->build_recurrence_rules_array($event->get('recurrence_rules'));
$recurrence_rules = iCalUtilityFunctions::_setRexrule($recurrence_rules);
if ($recurrence_rules) {
date_default_timezone_set($timezone);
iCalUtilityFunctions::_recur2date($recurrence_dates, $recurrence_rules, $wdate, $startdate, $enddate);
date_default_timezone_set($restore_timezone);
}
if (!is_array($recurrence_dates)) {
$recurrence_dates = array();
}
$recurrence_dates = array_keys($recurrence_dates);
// Add the instances
foreach ($recurrence_dates as $timestamp) {
// The arrays are in the form timestamp => true so an isset call is what we need
if (!isset($exclude_dates[$timestamp])) {
$event_instance['start'] = $timestamp;
$event_instance['end'] = $timestamp + $duration;
$events[$timestamp] = $event_instance;
}
}
return $events;
}
/**
* cache_event function
*
* Creates a new entry in the cache table for each date that the event appears
* (and does not already have an explicit RECURRENCE-ID instance, given its
* iCalendar UID).
*
* @param Ai1ec_Event $event Event to generate cache table for
*
* @return void
**/
public function cache_event(Ai1ec_Event &$event)
{
global $wpdb;
// Convert event timestamps to local for correct calculations of
// recurrence. Need to also remove PHP timezone offset for each date for
// SG_iCal to calculate correct recurring instances.
$event->start = $this->gmt_to_local($event->start) - date('Z', $event->start);
$event->end = $this->gmt_to_local($event->end) - date('Z', $event->end);
$evs = array();
$e = array('post_id' => $event->post_id, 'start' => $event->start, 'end' => $event->end);
$duration = $event->getDuration();
// Timestamp of today date + 3 years (94608000 seconds)
$tif = Ai1ec_Time_Utility::current_time(true) + 94608000;
// Always cache initial instance
$evs[] = $e;
$_start = $event->start;
$_end = $event->end;
if ($event->recurrence_rules) {
$start = $event->start;
$wdate = $startdate = iCalUtilityFunctions::_timestamp2date($_start, 6);
$enddate = iCalUtilityFunctions::_timestamp2date($tif, 6);
$exclude_dates = array();
$recurrence_dates = array();
if ($event->exception_rules) {
// creat an array for the rules
$exception_rules = $this->build_recurrence_rules_array($event->exception_rules);
$exception_rules = iCalUtilityFunctions::_setRexrule($exception_rules);
$result = array();
// The first array is the result and it is passed by reference
iCalUtilityFunctions::_recur2date($exclude_dates, $exception_rules, $wdate, $startdate, $enddate);
}
$recurrence_rules = $this->build_recurrence_rules_array($event->recurrence_rules);
$recurrence_rules = iCalUtilityFunctions::_setRexrule($recurrence_rules);
iCalUtilityFunctions::_recur2date($recurrence_dates, $recurrence_rules, $wdate, $startdate, $enddate);
// Add the instances
foreach ($recurrence_dates as $date => $bool) {
// The arrays are in the form timestamp => true so an isset call is what we need
if (isset($exclude_dates[$date])) {
continue;
}
$e['start'] = $date;
$e['end'] = $date + $duration;
$excluded = false;
// Check if exception dates match this occurence
if ($event->exception_dates) {
if ($this->date_match_exdates($date, $event->exception_dates)) {
$excluded = true;
}
}
// Add event only if it is not excluded
if ($excluded == false) {
$evs[] = $e;
}
}
}
// Make entries unique (sometimes recurrence generator creates duplicates?)
$evs_unique = array();
foreach ($evs as $ev) {
$evs_unique[md5(serialize($ev))] = $ev;
}
foreach ($evs_unique as $e) {
// Find out if this event instance is already accounted for by an
// overriding 'RECURRENCE-ID' of the same iCalendar feed (by comparing the
// UID, start date, recurrence). If so, then do not create duplicate
// instance of event.
$start = $this->local_to_gmt($e['start']) - date('Z', $e['start']);
$matching_event_id = $event->ical_uid ? $this->get_matching_event_id($event->ical_uid, $event->ical_feed_url, $start, false, $event->post_id) : NULL;
// If no other instance was found
if (NULL === $matching_event_id) {
$start = getdate($e['start']);
$end = getdate($e['end']);
$this->insert_event_in_cache_table($e);
}
}
return Ai1ec_Events_List_Helper::get_instance()->clean_post_cache($event->post_id);
}
/**
* cache_event function
*
* Creates a new entry in the cache table for each date that the event appears
* (and does not already have an explicit RECURRENCE-ID instance, given its
* iCalendar UID).
*
* @param object $event Event to generate cache table for
*
* @return void
**/
function cache_event(&$event)
{
global $wpdb;
// Convert event's timestamps to local for correct calculations of
// recurrence. Need to also remove PHP timezone offset for each date for
// SG_iCal to calculate correct recurring instances.
$event->start = $this->gmt_to_local($event->start) - date('Z', $event->start);
$event->end = $this->gmt_to_local($event->end) - date('Z', $event->end);
$evs = array();
$e = array('post_id' => $event->post_id, 'start' => $event->start, 'end' => $event->end);
$duration = $event->getDuration();
// Timestamp of today's date + 3 years
$tif = Ai1ec_Time_Utility::current_time(true) + 94608000;
//94 608 000 = 3 years in seconds
// Always cache initial instance
$evs[] = $e;
$_start = $event->start;
$_end = $event->end;
if ($event->recurrence_rules) {
$start = $event->start;
$wdate = $startdate = iCalUtilityFunctions::_timestamp2date($_start, 6);
$enddate = iCalUtilityFunctions::_timestamp2date($tif, 6);
$exclude_dates = array();
$recurrence_dates = array();
if ($event->exception_rules) {
// creat an array for the rules
$exception_rules = $this->build_recurrence_rules_array($event->exception_rules);
$exception_rules = iCalUtilityFunctions::_setRexrule($exception_rules);
$result = array();
// The first array is the result and it's passed by reference
iCalUtilityFunctions::_recur2date($exclude_dates, $exception_rules, $wdate, $startdate, $enddate);
}
$recurrence_rules = $this->build_recurrence_rules_array($event->recurrence_rules);
$recurrence_rules = iCalUtilityFunctions::_setRexrule($recurrence_rules);
iCalUtilityFunctions::_recur2date($recurrence_dates, $recurrence_rules, $wdate, $startdate, $enddate);
// Add the instances
foreach ($recurrence_dates as $date => $bool) {
// The arrays are in the form timestamp => true so an isset call is what we need
if (isset($exclude_dates[$date])) {
continue;
}
$e['start'] = $date;
$e['end'] = $date + $duration;
$excluded = false;
// Check if exception dates match this occurence
if ($event->exception_dates) {
if ($this->date_match_exdates($date, $event->exception_dates)) {
$excluded = true;
}
}
// Add event only if it is not excluded
if ($excluded == false) {
$evs[] = $e;
}
}
}
foreach ($evs as $e) {
// Find out if this event instance is already accounted for by an
// overriding 'RECURRENCE-ID' of the same iCalendar feed (by comparing the
// UID, start date, recurrence). If so, then do not create duplicate
// instance of event.
$matching_event_id = $event->ical_uid ? $this->get_matching_event_id($event->ical_uid, $event->ical_feed_url, $start = $this->local_to_gmt($e['start']) - date('Z', $e['start']), false, $event->post_id) : null;
// If no other instance was found
if (is_null($matching_event_id)) {
$start = getdate($e['start']);
$end = getdate($e['end']);
/*
// Commented out for now
// If event spans a day and end time is not midnight, or spans more than
// a day, then create instance for each spanning day
if( ( $start['mday'] != $end['mday'] &&
( $end['hours'] || $end['minutes'] || $end['seconds'] ) )
|| $e['end'] - $e['start'] > 60 * 60 * 24 ) {
$this->create_cache_table_entries( $e );
// Else cache single instance of event
} else {
$this->insert_event_in_cache_table( $e );
}
*/
$this->insert_event_in_cache_table($e);
}
}
}
/**
* Create list of recurrent instances.
*
* @param Ai1ec_Event $event Event to generate instances for.
* @param array $event_instance First instance contents.
* @param int $_start Timestamp of first occurence.
* @param int $tif Timestamp of last occurence.
* @param int $duration Event duration in seconds.
* @param string $timezone Target timezone.
*
* @return array List of event instances.
*/
public function create_instances_by_recurrence(Ai1ec_Event $event, array $event_instance, $_start, $tif, $duration, $timezone)
{
$recurrence_parser = $this->_registry->get('recurrence.rule');
$evs = array();
$startdate = array('timestamp' => $_start, 'tz' => $timezone);
$enddate = array('timestamp' => $tif, 'tz' => $timezone);
$start = $event_instance['start'];
$wdate = $startdate = iCalUtilityFunctions::_timestamp2date($startdate, 6);
$enddate = iCalUtilityFunctions::_timestamp2date($enddate, 6);
$exclude_dates = array();
$recurrence_dates = array();
if ($event->get('exception_rules')) {
// creat an array for the rules
$exception_rules = $recurrence_parser->build_recurrence_rules_array($event->get('exception_rules'));
$exception_rules = iCalUtilityFunctions::_setRexrule($exception_rules);
$result = array();
// The first array is the result and it is passed by reference
iCalUtilityFunctions::_recur2date($exclude_dates, $exception_rules, $wdate, $startdate, $enddate);
}
$recurrence_rules = $recurrence_parser->build_recurrence_rules_array($event->get('recurrence_rules'));
$recurrence_rules = iCalUtilityFunctions::_setRexrule($recurrence_rules);
iCalUtilityFunctions::_recur2date($recurrence_dates, $recurrence_rules, $wdate, $startdate, $enddate);
$recurrence_dates = array_keys($recurrence_dates);
// Add the instances
foreach ($recurrence_dates as $date) {
// The arrays are in the form timestamp => true so an isset call is what we need
if (isset($exclude_dates[$date])) {
continue;
}
$event_instance['start'] = $date;
$event_instance['end'] = $date + $duration;
$excluded = false;
// Check if exception dates match this occurence
if ($exception_dates = $event->get('exception_dates')) {
$match_exdates = $this->date_match_exdates($date, $exception_dates, $timezone);
if ($match_exdates) {
$excluded = true;
}
}
// Add event only if it is not excluded
if (false === $excluded) {
$evs[] = $event_instance;
}
}
return $evs;
}
