egroupware/calendar/inc/class.calendar_sif.inc.php

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2008-06-07 19:45:33 +02:00
<?php
/**
* eGroupWare calendar - SIF Parser for SyncML
*
* @link http://www.egroupware.org
* @author Lars Kneschke <lkneschke@egroupware.org>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package calendar
* @subpackage export
* @version $Id$
*/
require_once EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/iCalendar.php';
/**
* SIF Parser for SyncML
*/
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class calendar_sif extends calendar_boupdate
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{
var $sifMapping = array(
'Start' => 'start',
'End' => 'end',
'AllDayEvent' => 'alldayevent',
'BillingInformation' => '',
'Body' => 'description',
'BusyStatus' => '',
'Categories' => 'category',
'Companies' => '',
'Importance' => 'priority',
'IsRecurring' => 'isrecurring',
'Location' => 'location',
'MeetingStatus' => '',
'Mileage' => '',
'ReminderMinutesBeforeStart' => 'reminderstart',
'ReminderSet' => 'reminderset',
'ReplyTime' => '',
'Sensitivity' => 'public',
'Subject' => 'title',
'RecurrenceType' => 'recur_type',
'Interval' => 'recur_interval',
'MonthOfYear' => '',
'DayOfMonth' => '',
'DayOfWeekMask' => 'recur_weekmask',
'Instance' => '',
'PatternStartDate' => '',
'NoEndDate' => 'recur_noenddate',
'PatternEndDate' => 'recur_enddate',
'Occurrences' => '',
);
// the calendar event array
var $event;
// constants for recurence type
const olRecursDaily = 0;
const olRecursWeekly = 1;
const olRecursMonthly = 2;
const olRecursMonthNth = 3;
const olRecursYearly = 5;
const olRecursYearNth = 6;
// constants for weekdays
const olSunday = 1;
const olMonday = 2;
const olTuesday = 4;
const olWednesday = 8;
const olThursday = 16;
const olFriday = 32;
const olSaturday = 64;
function startElement($_parser, $_tag, $_attributes) {
}
function endElement($_parser, $_tag) {
//error_log('endElem: ' . $_tag .' => '. trim($this->sifData));
if(!empty($this->sifMapping[$_tag])) {
$this->event[$this->sifMapping[$_tag]] = trim($this->sifData);
}
unset($this->sifData);
}
function characterData($_parser, $_data) {
$this->sifData .= $_data;
}
function siftoegw($_sifdata) {
$vcal = new Horde_iCalendar;
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$finalEvent = array();
$sysCharSet = $GLOBALS['egw']->translation->charset();
$sifData = base64_decode($_sifdata);
#error_log($sifData);
$tmpfname = tempnam('/tmp/sync/contents','sife_');
$handle = fopen($tmpfname, "w");
fwrite($handle, $sifData);
fclose($handle);
$this->xml_parser = xml_parser_create('UTF-8');
xml_set_object($this->xml_parser, $this);
xml_parser_set_option($this->xml_parser, XML_OPTION_CASE_FOLDING, false);
xml_set_element_handler($this->xml_parser, "startElement", "endElement");
xml_set_character_data_handler($this->xml_parser, "characterData");
$this->strXmlData = xml_parse($this->xml_parser, $sifData);
if(!$this->strXmlData) {
error_log(sprintf("XML error: %s at line %d",
xml_error_string(xml_get_error_code($this->xml_parser)),
xml_get_current_line_number($this->xml_parser)));
return false;
}
#error_log(print_r($this->event, true));
foreach($this->event as $key => $value) {
$value = $GLOBALS['egw']->translation->convert($value, 'utf-8', $sysCharSet);
#error_log("$key => $value");
switch($key) {
case 'alldayevent':
if($value == 1) {
$startParts = explode('-',$this->event['start']);
$finalEvent['start'] = mktime(0, 0, 0, $startParts[1], $startParts[2], $startParts[0]);
$endParts = explode('-',$this->event['end']);
$finalEvent['end'] = mktime(23, 59, 59, $endParts[1], $endParts[2], $endParts[0]);
}
break;
case 'public':
$finalEvent[$key] = ((int)$value > 0) ? 0 : 1;
break;
case 'category':
if(!empty($value)) {
$finalEvent[$key] = implode(',',$this->find_or_add_categories(explode(';', $value)));
}
break;
case 'end':
case 'start':
if($this->event['alldayevent'] < 1) {
$finalEvent[$key] = $vcal->_parseDateTime($value);
error_log("event ".$key." val=".$value.", parsed=".$finalEvent[$key]);
}
break;
case 'isrecurring':
if($value == 1) {
$finalEvent['recur_interval'] = $this->event['recur_interval'];
if($this->event['recur_noenddate'] == 0) {
$finalEvent['recur_enddate'] = $vcal->_parseDateTime($this->event['recur_enddate']);
}
switch($this->event['recur_type']) {
case self::olRecursDaily:
$finalEvent['recur_type'] = MCAL_RECUR_DAILY;
break;
case self::olRecursWeekly:
$finalEvent['recur_type'] = MCAL_RECUR_WEEKLY;
$finalEvent['recur_data'] = $this->event['recur_weekmask'];
break;
case self::olRecursMonthly:
$finalEvent['recur_type'] = MCAL_RECUR_MONTHLY_MDAY;
break;
case self::olRecursMonthNth:
$finalEvent['recur_type'] = MCAL_RECUR_MONTHLY_WDAY;
break;
case self::olRecursYearly:
$finalEvent['recur_type'] = MCAL_RECUR_YEARLY;
$finalEvent['recur_interval'] = 1;
break;
}
}
break;
case 'priority':
$finalEvent[$key] = $value+1;
break;
case 'reminderset':
if($value == 1) {
$finalEvent['alarm'] = $this->event['reminderstart'];
}
break;
case 'recur_type':
case 'recur_enddate':
case 'recur_interval':
case 'recur_weekmask':
case 'reminderstart':
// do nothing, get's handled in isrecuring clause
break;
default:
$finalEvent[$key] = $value;
break;
}
}
#$middleName = ($finalEvent['n_middle']) ? ' '.trim($finalEvent['n_middle']) : '';
#$finalEvent['fn'] = trim($finalEvent['n_given']. $middleName .' '. $finalEvent['n_family']);
#error_log(print_r($finalEvent, true));
return $finalEvent;
}
function search($_sifdata, $contentID=null) {
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if(!$event = $this->siftoegw($_sifdata)) {
return false;
}
$query = array(
'cal_start='.$this->date2ts($event['start'],true), // true = Server-time
'cal_end='.$this->date2ts($event['end'],true),
);
if ($contentID) {
$query[] = 'egw_cal.cal_id='.(int)$contentID;
}
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#foreach(array('title','location','priority','public','non_blocking') as $name) {
foreach(array('title','location','public','non_blocking') as $name) {
if (isset($event[$name])) $query['cal_'.$name] = $event[$name];
}
if($foundEvents = parent::search(array(
'user' => $this->user,
'query' => $query,
))) {
if(is_array($foundEvents)) {
$event = array_shift($foundEvents);
return $event['id'];
}
}
return false;
$search['start'] = $event['start'];
$search['end'] = $event['end'];
unset($event['description']);
unset($event['start']);
unset($event['end']);
foreach($event as $key => $value) {
if (substr($key,0,6) != 'recur_' && substr($key,0,5) != 'alarm') {
$search['query']['cal_'.$key] = $value;
} else {
#$search['query'][$key] = $value;
}
}
if($foundEvents = parent::search($search)) {
if(is_array($foundEvents)) {
$event = array_shift($foundEvents);
return $event['id'];
}
}
return false;
}
/**
* @return int contact id
* @param string $_vcard the vcard
* @param int $_abID the internal addressbook id
* @desc import a vard into addressbook
*/
function addSIF($_sifdata, $_calID)
{
$calID = false;
#error_log('ABID: '.$_abID);
#error_log(base64_decode($_sifdata));
if(!$event = $this->siftoegw($_sifdata)) {
return false;
}
if(isset($event['alarm'])) {
$alarm = $event['alarm'];
unset($event['alarm']);
}
if($_calID > 0)
{
// update entry
$event['id'] = $_calID;
}
if($eventID = $this->update($event, TRUE)) {
$updatedEvent = $this->read($eventID);
foreach($updatedEvent['alarm'] as $alarmID => $alarmData)
{
$this->delete_alarm($alarmID);
}
if(isset($alarm)) {
$alarmData['time'] = $event['start'] - ($alarm*60);
$alarmData['offset'] = $alarm*60;
$alarmData['all'] = 1;
$alarmData['owner'] = $GLOBALS['egw_info']['user']['account_id'];
$this->save_alarm($eventID, $alarmData);
}
}
return $eventID;
}
/**
* return a vcard
*
* @param int $_id the id of the contact
* @param int $_vcardProfile profile id for mapping from vcard values to egw addressbook
* @return string containing the vcard
*/
function getSIF($_id)
{
$fields = array_unique(array_values($this->sifMapping));
sort($fields);
#$event = $this->read($_id,null,false,'server');
#error_log("FOUND EVENT: ". print_r($event, true));
if($event = $this->read($_id,null,false,'server')) {
$sysCharSet = $GLOBALS['egw']->translation->charset();
$vcal = new Horde_iCalendar;
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$sifEvent = '<appointment>';
foreach($this->sifMapping as $sifField => $egwField)
{
if(empty($egwField)) continue;
#error_log("$sifField => $egwField");
#error_log('VALUE1: '.$event[$egwField]);
$value = $GLOBALS['egw']->translation->convert($event[$egwField], $sysCharSet, 'utf-8');
#error_log('VALUE2: '.$value);
switch($sifField)
{
case 'Categories':
if(!empty($value)) {
$value = implode('; ', $this->get_categories(explode(',',$value)));
$value = $GLOBALS['egw']->translation->convert($value, $sysCharSet, 'utf-8');
}
$sifEvent .= "<$sifField>$value</$sifField>";
break;
case 'Importance':
$value = $value-1;
$sifEvent .= "<$sifField>$value</$sifField>";
break;
case 'RecurrenceType':
case 'Interval':
case 'PatternStartDate':
case 'NoEndDate':
case 'DayOfWeekMask':
case 'PatternEndDate':
break;
case 'IsRecurring':
switch($event['recur_type']) {
case MCAL_RECUR_NONE:
$sifEvent .= "<$sifField>0</$sifField>";
break;
case MCAL_RECUR_DAILY:
$eventInterval = ($event['recur_interval'] > 1 ? $event['recur_interval'] : 1);
$recurStartDate = mktime(0,0,0,date('m',$event['start']), date('d', $event['start']), date('Y', $event['start']));
$sifEvent .= "<$sifField>1</$sifField>";
$sifEvent .= '<RecurrenceType>'. self::olRecursDaily .'</RecurrenceType>';
$sifEvent .= '<Interval>'. $eventInterval .'</Interval>';
$sifEvent .= '<PatternStartDate>'. $vcal->_exportDateTime($recurStartDate) .'</PatternStartDate>';
if($event['recur_enddate'] == 0) {
$sifEvent .= '<NoEndDate>1</NoEndDate>';
} else {
$recurEndDate = mktime(24,0,0,date('m',$event['recur_enddate']), date('d', $event['recur_enddate']), date('Y', $event['recur_enddate']));
$sifEvent .= '<NoEndDate>0</NoEndDate>';
$sifEvent .= '<PatternEndDate>'. $vcal->_exportDateTime($recurEndDate) .'</PatternEndDate>';
$totalDays = ($recurEndDate - $recurStartDate) / 86400;
$occurrences = ceil($totalDays / $eventInterval);
$sifEvent .= '<Occurrences>'. $occurrences .'</Occurrences>';
}
break;
case MCAL_RECUR_WEEKLY:
$eventInterval = ($event['recur_interval'] > 1 ? $event['recur_interval'] : 1);
$recurStartDate = mktime(0,0,0,date('m',$event['start']), date('d', $event['start']), date('Y', $event['start']));
$sifEvent .= "<$sifField>1</$sifField>";
$sifEvent .= '<RecurrenceType>'. self::olRecursWeekly .'</RecurrenceType>';
$sifEvent .= '<Interval>'. $eventInterval .'</Interval>';
$sifEvent .= '<PatternStartDate>'. $vcal->_exportDateTime($recurStartDate) .'</PatternStartDate>';
$sifEvent .= '<DayOfWeekMask>'. $event['recur_data'] .'</DayOfWeekMask>';
if($event['recur_enddate'] == 0) {
$sifEvent .= '<NoEndDate>1</NoEndDate>';
} else {
$recurEndDate = mktime(24, 0, 0, date('m',$event['recur_enddate']), date('d', $event['recur_enddate']), date('Y', $event['recur_enddate']));
$daysPerWeek = substr_count(decbin($event['recur_data']),'1');
$sifEvent .= '<NoEndDate>0</NoEndDate>';
$sifEvent .= '<PatternEndDate>'. $vcal->_exportDateTime($recurEndDate) .'</PatternEndDate>';
$totalWeeks = floor(($recurEndDate - $recurStartDate) / (86400*7));
#error_log("AAA: $daysPerWeek $totalWeeks");
$occurrences = ($totalWeeks / $eventInterval) * $daysPerWeek;
for($i = $recurEndDate; $i > $recurStartDate + ($totalWeeks * 86400*7); $i = $i - 86400) {
switch(date('w', $i-1)) {
case 0:
if($event['recur_data'] & 1) $occurrences++;
break;
// monday
case 1:
if($event['recur_data'] & 2) $occurrences++;
break;
case 2:
if($event['recur_data'] & 4) $occurrences++;
break;
case 3:
if($event['recur_data'] & 8) $occurrences++;
break;
case 4:
if($event['recur_data'] & 16) $occurrences++;
break;
case 5:
if($event['recur_data'] & 32) $occurrences++;
break;
case 6:
if($event['recur_data'] & 64) $occurrences++;
break;
}
}
$sifEvent .= '<Occurrences>'. $occurrences .'</Occurrences>';
}
break;
}
break;
case 'Sensitivity':
$value = (!$value ? '2' : '0');
$sifEvent .= "<$sifField>$value</$sifField>";
break;
case 'Folder':
# skip currently. This is the folder where Outlook stores the contact.
#$sifEvent .= "<$sifField>/</$sifField>";
break;
case 'AllDayEvent':
case 'End':
// get's handled by Start clause
break;
case 'Start':
if($event['end'] - $event['start'] == 86399 && date('Y-m-d', $event['end']) == date('Y-m-d', $event['start'])) {
$value = date('Y-m-d', $event['start']);
$sifEvent .= "<Start>$value</Start>";
$sifEvent .= "<End>$value</End>";
$sifEvent .= "<AllDayEvent>1</AllDayEvent>";
} else {
$value = $vcal->_exportDateTime($event['start']);
$sifEvent .= "<Start>$value</Start>";
$value = $vcal->_exportDateTime($event['end']);
$sifEvent .= "<End>$value</End>";
$sifEvent .= "<AllDayEvent>0</AllDayEvent>";
}
break;
case 'ReminderMinutesBeforeStart':
break;
case 'ReminderSet':
if(count((array)$event['alarm']) > 0) {
$sifEvent .= "<$sifField>1</$sifField>";
foreach($event['alarm'] as $alarmID => $alarmData)
{
$sifEvent .= '<ReminderMinutesBeforeStart>'. $alarmData['offset']/60 .'</ReminderMinutesBeforeStart>';
// lets take only the first alarm
break;
}
} else {
$sifEvent .= "<$sifField>0</$sifField>";
}
break;
default:
$sifEvent .= "<$sifField>$value</$sifField>";
break;
}
}
$sifEvent .= '</appointment>';
return base64_encode($sifEvent);
}
if($this->xmlrpc)
{
$GLOBALS['server']->xmlrpc_error($GLOBALS['xmlrpcerr']['no_access'],$GLOBALS['xmlrpcstr']['no_access']);
}
return False;
}
}