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<?php
/**
* The Kronolith_Driver_mcal:: class implements the Kronolith_Driver
* API for an MCAL backend.
*
* $Horde: kronolith/lib/Driver/mcal.php,v 1.24.2.3 2003/04/04 19:24:01 chuck Exp $
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @version $Revision: 1.24.2.3 $
* @since Kronolith 0.1
* @package kronolith
*/
class Kronolith_Driver_mcal extends Kronolith_Driver {
/**
* The current MCAL connection.
*
* @var resource $_stream
*/
var $_stream;
function open($calendar)
{
$this->_calendar = $calendar;
$this->_stream = @mcal_popen("{/mstore}<$calendar>",
$this->_params['username'],
$this->_params['password']);
}
function close()
{
@mcal_close($this->_stream);
}
/**
* 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)
{
// FIXME: this is horrid, but will work for mstore for now ...
$file = '/var/calendar/' . basename($calendar);
$this->close();
@unlink($file);
if (!@file_exists($file)) {
$result = true;
} else {
$result = PEAR::raiseError(sprintf(_("Unable to delete %s."), $calendar));
}
return $result;
}
function listEvents($startDate = null, $endDate = null)
{
$events = @mcal_list_events($this->_stream, $startDate->year, $startDate->month, $startDate->mday, $endDate->year, $endDate->month, $endDate->mday);
return is_array($events) ? $events : array();
}
function listAlarms($date)
{
$events = @mcal_list_alarms($this->_stream, $date->year, $date->month, $date->mday, $date->hour, $date->min, $date->sec);
return is_array($events) ? $events : array();
}
function getEventObject($eventID = null)
{
if (!is_null($eventID)) {
$event = @mcal_fetch_event($this->_stream, (int)$eventID);
if ($event && $event->id > 0) {
return new Kronolith_Event_mcal($this, $event);
} else {
return false;
}
} else {
return new Kronolith_Event_mcal($this);
}
}
function saveEvent($event)
{
if (!is_null($event->getID())) {
return mcal_store_event($this->_stream);
} else {
return mcal_append_event($this->_stream);
}
}
function nextRecurrence($eventID, $afterDate, $weekstart = KRONOLITH_SUNDAY)
{
$next = mcal_next_recurrence($this->_stream, $weekstart, $afterDate);
if (empty($next->year)) {
return false;
}
return Kronolith::dateObject($next);
}
function deleteEvent($eventID)
{
return mcal_delete_event($this->_stream, $eventID);
}
function parseMCALDate($dateObject)
{
if (count($dateObject) === 0) {
return 0;
}
$year = isset($dateObject->year) ? $dateObject->year : 0;
$month = isset($dateObject->month) ? $dateObject->month : 0;
$day = isset($dateObject->mday) ? $dateObject->mday : 0;
// Check for events with no recur_enddate
if ($year == 9999 && $month == 12 && $day == 31) {
return 0;
}
$hour = isset($dateObject->hour) ? $dateObject->hour : 0;
$minute = isset($dateObject->min) ? $dateObject->min : 0;
$second = isset($dateObject->sec) ? $dateObject->sec : 0;
return mktime($hour, $minute, $second, $month, $day, $year);
}
}
class Kronolith_Event_mcal extends Kronolith_Event {
function toDriver()
{
$driver = &$this->getDriver();
// Basic fields.
mcal_event_set_title($driver->_stream, $this->getTitle());
mcal_event_set_description($driver->_stream, $this->getDescription());
mcal_event_set_category($driver->_stream, $this->getCategory());
mcal_event_add_attribute($driver->_stream, 'location', $this->getLocation());
mcal_event_add_attribute($driver->_stream, 'keywords', implode(',', $this->getKeywords()));
mcal_event_add_attribute($driver->_stream, 'exceptions', implode(',', $this->getExceptions()));
mcal_event_add_attribute($driver->_stream, 'modified', time());
// Event start.
$start = explode(':', date('Y:n:j:G:i', $this->getStartTimestamp()));
mcal_event_set_start($driver->_stream, $start[0], $start[1], $start[2], $start[3], $start[4]);
// Event end.
$end = explode(':', date('Y:n:j:G:i', $this->getEndTimestamp()));
mcal_event_set_end($driver->_stream, $end[0], $end[1], $end[2], $end[3], $end[4]);
// Alarm.
mcal_event_set_alarm($driver->_stream, $this->getAlarm());
// Recurrence.
$recur_end = explode(':', date('Y:n:j', $this->getRecurEndTimestamp()));
if ($recur_end[0] == 1969) {
$recur_end[0] = 9999;
$recur_end[1] = 12;
$recur_end[2] = 31;
}
switch ($this->getRecurType()) {
case KRONOLITH_RECUR_NONE:
mcal_event_set_recur_none($driver->_stream);
break;
case KRONOLITH_RECUR_DAILY:
mcal_event_set_recur_daily($driver->_stream,
$recur_end[0],
$recur_end[1],
$recur_end[2],
$this->getRecurInterval());
break;
case KRONOLITH_RECUR_WEEKLY:
mcal_event_set_recur_weekly($driver->_stream,
$recur_end[0],
$recur_end[1],
$recur_end[2],
$this->getRecurInterval(),
$this->getRecurOnDays());
break;
case KRONOLITH_RECUR_DAY_OF_MONTH:
mcal_event_set_recur_monthly_mday($driver->_stream,
$recur_end[0],
$recur_end[1],
$recur_end[2],
$this->getRecurInterval());
break;
case KRONOLITH_RECUR_WEEK_OF_MONTH:
mcal_event_set_recur_monthly_wday($driver->_stream,
$recur_end[0],
$recur_end[1],
$recur_end[2],
$this->getRecurInterval());
break;
case KRONOLITH_RECUR_YEARLY:
mcal_event_set_recur_yearly($driver->_stream,
$recur_end[0],
$recur_end[1],
$recur_end[2],
$this->getRecurInterval());
break;
}
}
function fromDriver($mcalEvent)
{
$this->title = $mcalEvent->title;
if (isset($mcalEvent->category)) {
$this->category = $mcalEvent->category;
}
if (isset($mcalEvent->description)) {
$this->description = $mcalEvent->description;
}
if (isset($mcalEvent->attrlist['location'])) {
$this->location = $mcalEvent->attrlist['location'];
}
if (isset($mcalEvent->attrlist['keywords'])) {
$this->keywords = explode(',', $mcalEvent->attrlist['keywords']);
}
if (isset($mcalEvent->attrlist['exceptions'])) {
$this->exceptions = explode(',', $mcalEvent->attrlist['exceptions']);
}
$this->eventID = $mcalEvent->id;
$this->startTimestamp = Kronolith_Driver_mcal::parseMCALDate($mcalEvent->start);
$this->start = Kronolith::timestampToObject($this->startTimestamp);
$this->endTimestamp = Kronolith_Driver_mcal::parseMCALDate($mcalEvent->end);
$this->end = Kronolith::timestampToObject($this->endTimestamp);
$this->durMin = ($this->endTimestamp - $this->startTimestamp) / 60;
if (isset($mcalEvent->recur_enddate)) {
$this->recurEndTimestamp = Kronolith_Driver_mcal::parseMCALDate($mcalEvent->recur_enddate);
$this->recurEnd = $mcalEvent->recur_enddate;
}
$this->alarm = $mcalEvent->alarm;
$this->recurType = $mcalEvent->recur_type;
$this->recurInterval = $mcalEvent->recur_interval;
if (isset($mcalEvent->recur_data)) {
$this->recurData = $mcalEvent->recur_data;
}
$this->initialized = true;
}
}
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