/**
* Performs ical updates on given events.
*
* @param array ical and event properties to update. See ical_sync::get_updates().
* @return array List of event ids.
*/
private function _perform_updates($updates)
{
$event_ids = array();
$num_created = 0;
$num_updated = 0;
foreach ($updates as $update) {
// local event -> update event
if (isset($update["local_event"])) {
// let edit_event() do all the magic
if (parent::edit_event($update["remote_event"] + (array) $update["local_event"])) {
$event_id = $update["local_event"]["id"];
array_push($event_ids, $event_id);
$num_updated++;
self::debug_log("Updated event \"{$event_id}\".");
} else {
self::debug_log("Could not perform event update: " . print_r($update, true));
}
} else {
$event_id = parent::new_event($update["remote_event"]);
if ($event_id) {
array_push($event_ids, $event_id);
$num_created++;
self::debug_log("Created event \"{$event_id}\".");
} else {
self::debug_log("Could not perform event creation: " . print_r($update, true));
}
}
}
self::debug_log("Created {$num_created} new events, updated {$num_updated} event.");
return $event_ids;
}
/**
* Update the event entry with the given data and sync with caldav server.
*
* @param array Hash array with event properties
* @param array Internal use only, filled with non-modified event if this is second try after a calendar sync was enforced first.
* @see calendar_driver::edit_event()
*/
public function edit_event($event, $old_event = null)
{
if ($event['_savemode'] == 'new') {
$event['uid'] = $this->cal->generate_uid();
return $this->new_event($event);
} else {
$event = $this->_get_id($event);
$sync_enforced = $old_event != null;
$event_id = (int) $event['id'];
$cal_id = $event['calendar'];
if ($old_event == null) {
$old_event = parent::get_master($event);
if ($old_event['categories'] && is_string($old_event['categories'])) {
$old_event['categories'] = explode(',', $old_event['categories']);
}
$old_event = $this->_save_preprocess($old_event);
}
if (parent::edit_event($event)) {
// Get updates event and push to caldav.
$event = parent::get_master(array('id' => $event_id));
if ($event['categories'] && is_string($event['categories'])) {
$event['categories'] = explode(',', $event['categories']);
}
$event = $this->_save_preprocess($event);
$sync_client = $this->sync_clients[$cal_id];
$props_id = $event['current']['recurrence_id'] ? (int) $event['current']['recurrence_id'] : $event_id;
$props = $this->_get_caldav_props($props_id, self::OBJ_TYPE_VEVENT);
if (is_array($props)) {
$success = $sync_client->update_event($event, $props);
} else {
$success = false;
}
if ($success === true) {
self::debug_log("Successfully updated event \"{$event_id}\".");
// Trigger calendar sync to update ctags and etags.
$this->_sync_calendar($cal_id);
return true;
} else {
if (!$success && !$sync_enforced) {
self::debug_log("Event \"{$event_id}\", tag \"" . $props["tag"] . "\" not up to date, will update calendar first ...");
$this->_sync_calendar($cal_id, true);
return $this->edit_event($event, $old_event);
// Re-try after re-sync
} else {
self::debug_log("Unkown error while updating caldav event, undo updating local event \"{$event_id}\"!");
parent::edit_event($old_event);
return false;
}
}
}
}
return false;
}
