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<?php
/**
* The Kronolith_Driver_ical:: class implements the Kronolith_Driver
* API for iCalendar data.
*
* $Horde: kronolith/lib/Driver/ical.php,v 1.3.2.6 2008/04/30 21:33:20 chuck Exp $
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @since Kronolith 2.0
* @package Kronolith
*/
class Kronolith_Driver_ical extends Kronolith_Driver {
/**
* Cache events as we fetch them to avoid fetching or parsing the same
* event twice.
*
* @var array
*/
var $_cache = array();
function listAlarms($date, $fullevent = false)
{
return array();
}
function listEvents($startDate = null, $endDate = null, $hasAlarm = false)
{
$data = Kronolith::getRemoteCalendar($url);
if (is_a($data, 'PEAR_Error')) {
return $data;
}
require_once 'Horde/iCalendar.php';
$iCal = &new Horde_iCalendar();
if (!$iCal->parsevCalendar($data)) {
return array();
}
$components = $iCal->getComponents();
$events = array();
$count = count($components);
for ($i = 0; $i < $count; $i++) {
$component = $components[$i];
if ($component->getType() == 'vEvent') {
$event = &new Kronolith_Event_ical($this);
$event->fromiCalendar($component);
$event->remoteCal = $url;
$event->eventID = $i;
$events[] = $event;
}
}
return $events;
}
function &getEvent($eventId = null)
{
$data = Kronolith::getRemoteCalendar($url);
if (is_a($data, 'PEAR_Error')) {
return $data;
}
require_once 'Horde/iCalendar.php';
$iCal = &new Horde_iCalendar();
if (!$iCal->parsevCalendar($data)) {
return array();
}
$components = $iCal->getComponents();
if (isset($components[$eventId]) && $components[$eventId]->getType() == 'vEvent') {
$event = &new Kronolith_Event_ical($this);
$event->fromiCalendar($components[$eventId]);
$event->remoteCal = $url;
$event->eventID = $eventId;
return $event;
}
return false;
}
/**
* Get an event or events with the given UID value.
*
* @param string $uid The UID to match
* @param array $calendars A restricted array of calendar ids to search
* @param boolean $getAll Return all matching events? If this is false,
* an error will be returned if more than one event is found.
*
* @return Kronolith_Event
*/
function &getByUID($uid, $calendars = null, $getAll = false)
{
return PEAR::raiseError('Not supported');
}
function exists()
{
return PEAR::raiseError('Not supported');
}
function saveEvent($event)
{
return PEAR::raiseError('Not supported');
}
/**
* Move an event to a new calendar.
*
* @param string $eventId The event to move.
* @param string $newCalendar The new calendar.
*/
function move($eventId, $newCalendar)
{
return PEAR::raiseError('Not supported');
}
/**
* Delete a calendar and all its events.
*
* @param string $calendar The name of the calendar to delete.
*
* @return mixed True or a PEAR_Error on failure.
*/
function delete($calendar)
{
return PEAR::raiseError('Not supported');
}
/**
* Delete an event.
*
* @param string $eventId The ID of the event to delete.
*
* @return mixed True or a PEAR_Error on failure.
*/
function deleteEvent($eventId)
{
return PEAR::raiseError('Not supported');
}
}
class Kronolith_Event_ical extends Kronolith_Event {
function fromDriver($vEvent)
{
$this->fromiCalendar($vEvent);
$this->initialized = true;
$this->stored = true;
}
function toDriver()
{
return $this->toiCalendar();
}
}
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