forked from extern/egroupware
656 lines
23 KiB
PHP
656 lines
23 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare - iCalendar Parser *
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* http://www.egroupware.org *
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* Written by Lars Kneschke <lkneschke@egroupware.org> *
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* -------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License. *
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\**************************************************************************/
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/* $Id$ */
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require_once EGW_SERVER_ROOT.'/calendar/inc/class.bocalupdate.inc.php';
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require_once EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/iCalendar.php';
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/**
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* iCal import and export via Horde iCalendar classes
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*
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* @package calendar
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* @author Lars Kneschke <lkneschke@egroupware.org>
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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*/
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class boical extends bocalupdate
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{
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/**
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* @var array $supportedFields array containing the supported fields of the importing device
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*/
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var $supportedFields;
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/**
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* @var array $status_egw2ical conversation of the participant status egw => ical
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*/
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var $status_egw2ical = array(
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'U' => 'NEEDS-ACTION',
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'A' => 'ACCEPTED',
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'R' => 'DECLINED',
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'T' => 'TENTATIVE',
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);
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/**
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* @var array conversation of the participant status ical => egw
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*/
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var $status_ical2egw = array(
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'NEEDS-ACTION' => 'U',
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'ACCEPTED' => 'A',
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'DECLINED' => 'R',
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'TENTATIVE' => 'T',
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);
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/**
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* @var array $status_ical2egw conversation of the priority egw => ical
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*/
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var $priority_egw2ical = array(
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0 => 0, // undefined
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1 => 9, // low
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2 => 5, // normal
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3 => 1, // high
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);
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/**
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* @var array $status_ical2egw conversation of the priority ical => egw
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*/
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var $priority_ical2egw = array(
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0 => 0, // undefined
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9 => 1, 8 => 1, 7 => 1, 6 => 1, // low
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5 => 2, // normal
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4 => 3, 3 => 3, 2 => 3, 1 => 3, // high
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);
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/**
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* @var array $recur_egw2ical converstaion of egw recur-type => ical FREQ
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*/
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var $recur_egw2ical = array(
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MCAL_RECUR_DAILY => 'DAILY',
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MCAL_RECUR_WEEKLY => 'WEEKLY',
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MCAL_RECUR_MONTHLY_MDAY => 'MONTHLY', // BYMONHTDAY={1..31}
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MCAL_RECUR_MONTHLY_WDAY => 'MONTHLY', // BYDAY={1..5}{MO..SO}
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MCAL_RECUR_YEARLY => 'YEARLY',
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);
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/**
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* Exports one calendar event to an iCalendar item
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*
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* @param int/array $events (array of) cal_id or array of the events
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* @param string $method='PUBLISH'
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* @return string/boolean string with vCal or false on error (eg. no permission to read the event)
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*/
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function &exportVCal($events,$version='1.0', $method='PUBLISH')
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{
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$egwSupportedFields = array(
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'CLASS' => array('dbName' => 'public'),
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'SUMMARY' => array('dbName' => 'title'),
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'DESCRIPTION' => array('dbName' => 'description'),
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'LOCATION' => array('dbName' => 'location'),
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'DTSTART' => array('dbName' => 'start'),
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'DTEND' => array('dbName' => 'end'),
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'ORGANIZER' => array('dbName' => 'owner'),
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'ATTENDEE' => array('dbName' => 'participants'),
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'RRULE' => array('dbName' => 'recur_type'),
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'EXDATE' => array('dbName' => 'recur_exception'),
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'PRIORITY' => array('dbName' => 'priority'),
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'TRANSP' => array('dbName' => 'non_blocking'),
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'CATEGORIES'=> array('dbName' => 'category'),
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);
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if(!is_array($this->supportedFields))
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{
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$this->setSupportedFields();
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}
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$vcal = &new Horde_iCalendar;
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$vcal->setAttribute('PRODID','-//eGroupWare//NONSGML eGroupWare Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
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strtoupper($GLOBALS['egw_info']['user']['preferences']['common']['lang']));
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$vcal->setAttribute('VERSION',$version);
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$vcal->setAttribute('METHOD',$method);
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if (!is_array($events)) $events = array($events);
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foreach($events as $event)
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{
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if (!is_array($event) && !($event = $this->read($event,null,false,'server'))) // server = timestamp in server-time(!)
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{
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return false; // no permission to read $cal_id
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}
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//_debug_array($event);
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$eventGUID = $GLOBALS['egw']->common->generate_uid('calendar',$event['id']);
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$vevent = Horde_iCalendar::newComponent('VEVENT',$vcal);
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$parameters = $attributes = array();
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foreach($egwSupportedFields as $icalFieldName => $egwFieldInfo)
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{
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if($this->supportedFields[$egwFieldInfo['dbName']])
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{
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switch($icalFieldName)
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{
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case 'ATTENDEE':
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foreach((array)$event['participants'] as $uid => $status)
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{
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// ToDo, this needs to deal with resources too!!!
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if (!is_numeric($uid)) continue;
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$mailto = $GLOBALS['egw']->accounts->id2name($uid,'account_email');
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$cn = trim($GLOBALS['egw']->accounts->id2name($uid,'account_firstname'). ' ' .
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$GLOBALS['egw']->accounts->id2name($uid,'account_lastname'));
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$attributes['ATTENDEE'][] = $mailto ? 'MAILTO:'.$mailto : '';
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// ROLE={CHAIR|REQ-PARTICIPANT|OPT-PARTICIPANT|NON-PARTICIPANT} NOT used by eGW atm.
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$role = $uid == $event['owner'] ? 'CHAIR' : 'REQ-PARTICIPANT';
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// RSVP={TRUE|FALSE} // resonse expected, not set in eGW => status=U
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$rsvp = $status == 'U' ? 'TRUE' : 'FALSE';
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// PARTSTAT={NEEDS-ACTION|ACCEPTED|DECLINED|TENTATIVE|DELEGATED|COMPLETED|IN-PROGRESS} everything from delegated is NOT used by eGW atm.
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$status = $this->status_egw2ical[$status];
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// CUTYPE={INDIVIDUAL|GROUP|RESOURCE|ROOM|UNKNOWN}
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$cutype = $GLOBALS['egw']->accounts->get_type($uid) == 'g' ? 'GROUP' : 'INDIVIDUAL';
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$parameters['ATTENDEE'][] = array(
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'CN' => $cn,
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'ROLE' => $role,
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'PARTSTAT' => $status,
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'CUTYPE' => $cutype,
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'RSVP' => $rsvp,
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);
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}
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break;
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case 'CLASS':
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$attributes['CLASS'] = $event['public'] ? 'PUBLIC' : 'PRIVATE';
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break;
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case 'ORGANIZER': // according to iCalendar standard, ORGANIZER not used for events in the own calendar
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if (!isset($event['participants'][$event['owner']]) || count($event['participants']) > 1)
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{
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$mailtoOrganizer = $GLOBALS['egw']->accounts->id2name($event['owner'],'account_email');
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$attributes['ORGANIZER'] = $mailtoOrganizer ? 'MAILTO:'.$mailtoOrganizer : '';
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$parameters['ORGANIZER']['CN'] = trim($GLOBALS['egw']->accounts->id2name($event['owner'],'account_firstname').' '.
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$GLOBALS['egw']->accounts->id2name($event['owner'],'account_lastname'));
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}
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break;
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case 'DTEND':
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if(date('H:i:s',$event['end']) == '23:59:59') $event['end']++;
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$attributes[$icalFieldName] = $event['end'];
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break;
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case 'RRULE':
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if ($event['recur_type'] == MCAL_RECUR_NONE) break; // no recuring event
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$rrule = array('FREQ' => $this->recur_egw2ical[$event['recur_type']]);
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switch ($event['recur_type'])
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{
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case MCAL_RECUR_WEEKLY:
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$days = array();
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foreach($this->recur_days as $id => $day)
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{
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if ($event['recur_data'] & $id) $days[] = strtoupper(substr($day,0,2));
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}
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$rrule['BYDAY'] = implode(',',$days);
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break;
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case MCAL_RECUR_MONTHLY_MDAY: // date of the month: BYMONTDAY={1..31}
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$rrule['BYMONTHDAY'] = (int) date('d',$event['start']);
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break;
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case MCAL_RECUR_MONTHLY_WDAY: // weekday of the month: BDAY={1..5}{MO..SO}
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$rrule['BYDAY'] = (1 + (int) ((date('d',$event['start'])-1) / 7)).
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strtoupper(substr(date('l',$event['start']),0,2));
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break;
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}
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if ($event['recur_interval'] > 1) $rrule['INTERVAL'] = $event['recur_interval'];
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if ($event['recur_enddate']) $rrule['UNTIL'] = date('Ymd',$event['recur_enddate']); // only day is set in eGW
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// no idea how to get the Horde parser to produce a standard conformant
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// RRULE:FREQ=... (note the double colon after RRULE, we cant use the $parameter array)
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// so we create one value manual ;-)
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foreach($rrule as $name => $value)
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{
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$attributes['RRULE'][] = $name . '=' . $value;
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}
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$attributes['RRULE'] = implode(';',$attributes['RRULE']);
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break;
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case 'EXDATE':
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if ($event['recur_exception'])
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{
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$days = array();
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foreach($event['recur_exception'] as $day)
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{
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$days[] = date('Ymd',$day);
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}
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$attributes['EXDATE'] = implode(',',$days);
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$parameters['EXDATE']['VALUE'] = 'DATE';
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}
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break;
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case 'PRIORITY':
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$attributes['PRIORITY'] = (int) $this->priority_egw2ical[$event['priority']];
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break;
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case 'TRANSP':
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$attributes['TRANSP'] = $event['non_blocking'] ? 'TRANSPARENT' : 'OPAQUE';
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break;
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case 'CATEGORIES':
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if ($event['category'])
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{
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$attributes['CATEGORIES'] = implode(',',$this->categories($event['category'],$nul));
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}
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break;
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default:
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if ($event[$egwFieldInfo['dbName']]) // dont write empty fields
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{
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$attributes[$icalFieldName] = $event[$egwFieldInfo['dbName']];
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}
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break;
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}
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}
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}
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$modified = $GLOBALS['egw']->contenthistory->getTSforAction($eventGUID,'modify');
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$created = $GLOBALS['egw']->contenthistory->getTSforAction($eventGUID,'add');
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if (!$created && !$modified) $created = $event['modified'];
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if ($created) $attributes['CREATED'] = $created;
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if (!$modified) $modified = $event['modified'];
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if ($modified) $attributes['LAST-MODIFIED'] = $modified;
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foreach($event['alarm'] as $alarmID => $alarmData)
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{
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$attributes['DALARM'] = $vcal->_exportDateTime($alarmData['time']);
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$attributes['AALARM'] = $vcal->_exportDateTime($alarmData['time']);
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// lets take only the first alarm
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break;
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}
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$attributes['UID'] = $eventGUID;
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foreach($attributes as $key => $value)
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{
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foreach(is_array($value) ? $value : array($value) as $valueID => $valueData)
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{
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$valueData = $GLOBALS['egw']->translation->convert($valueData,$GLOBALS['egw']->translation->charset(),'UTF-8');
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$paramData = (array) $GLOBALS['egw']->translation->convert(is_array($value) ? $parameters[$key][$valueID] : $parameters[$key],
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$GLOBALS['egw']->translation->charset(),'UTF-8');
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//echo "$key:$valueID: value=$valueData, param=".print_r($paramDate,true)."\n";
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$vevent->setAttribute($key, $valueData, $paramData);
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$options = array();
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if($key != 'RRULE' && preg_match('/([\000-\012\015\016\020-\037\075])/',$valueData))
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{
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$options['ENCODING'] = 'QUOTED-PRINTABLE';
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}
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if(preg_match('/([\177-\377])/',$valueData))
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{
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$options['CHARSET'] = 'UTF-8';
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}
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$vevent->setParameter($key, $options);
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}
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}
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$vcal->addComponent($vevent);
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}
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//_debug_array($vcal->exportvCalendar());
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return $vcal->exportvCalendar();
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}
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function importVCal($_vcalData, $cal_id=-1)
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{
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// our (patched) horde classes, do NOT unfold folded lines, which causes a lot trouble in the import
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$_vcalData = preg_replace("/[\r\n]+ /",'',$_vcalData);
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$vcal = &new Horde_iCalendar;
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if(!$vcal->parsevCalendar($_vcalData))
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{
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return FALSE;
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}
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if(!is_array($this->supportedFields))
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{
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$this->setSupportedFields();
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}
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//echo "supportedFields="; _debug_array($this->supportedFields);
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$Ok = false; // returning false, if file contains no components
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foreach($vcal->getComponents() as $component)
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{
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if(is_a($component, 'Horde_iCalendar_vevent'))
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{
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$supportedFields = $this->supportedFields;
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#$event = array('participants' => array());
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$event = array();
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$alarms = array();
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$vcardData = array('recur_type' => 0);
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// lets see what we can get from the vcard
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foreach($component->_attributes as $attributes)
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{
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$attributes['value'] = $GLOBALS['egw']->translation->convert($attributes['value'],'UTF-8');
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//echo "$attributes[name] = '$attributes[value]'<br />\n";
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switch($attributes['name'])
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{
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case 'AALARM':
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case 'DALARM':
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if (preg_match('/.*Z$/',$attributes['value'],$matches))
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{
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$alarmTime = $vcal->_parseDateTime($attributes['value']);
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$alarms[$alarmTime] = array(
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'time' => $alarmTime
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);
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}
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break;
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case 'CLASS':
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$vcardData['public'] = (int)(strtolower($attributes['value']) == 'public');
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break;
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case 'DESCRIPTION':
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$vcardData['description'] = $attributes['value'];
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break;
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case 'DTEND':
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if(date('H:i:s',$attributes['value']) == '00:00:00')
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$attributes['value']--;
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$vcardData['end'] = $attributes['value'];
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break;
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case 'DTSTART':
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$vcardData['start'] = $attributes['value'];
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break;
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case 'LOCATION':
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$vcardData['location'] = $attributes['value'];
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break;
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case 'RRULE':
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$recurence = $attributes['value'];
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$type = preg_match('/FREQ=([^;: ]+)/i',$recurence,$matches) ? $matches[1] : $recurence{0};
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// vCard 2.0 values for all types
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if (preg_match('/UNTIL=([0-9T]+)/',$recurence,$matches))
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{
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$vcardData['recur_enddate'] = $vcal->_parseDateTime($matches[1]);
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}
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if (preg_match('/INTERVAL=([0-9]+)/',$recurence,$matches))
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{
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$vcardData['recur_interval'] = (int) $matches[1];
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}
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$vcardData['recur_data'] = 0;
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switch($type)
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{
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case 'W':
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case 'WEEKLY':
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$days = array();
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if(preg_match('/W(\d+) (.*) (.*)/',$recurence, $recurenceMatches)) // 1.0
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{
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$vcardData['recur_interval'] = $recurenceMatches[1];
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$days = explode(' ',trim($recurenceMatches[2]));
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}
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elseif (preg_match('/BYDAY=([^;: ]+)/',$recurence,$recurenceMatches)) // 2.0
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{
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$days = explode(',',$recurenceMatches[1]);
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}
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if ($days)
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{
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foreach($this->recur_days as $id => $day)
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{
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if (in_array(strtoupper(substr($day,0,2)),$matches))
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{
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$vcardData['recur_data'] |= $id;
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}
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}
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$vcardData['recur_type'] = MCAL_RECUR_WEEKLY;
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}
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break;
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case 'D': // 1.0
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if(!preg_match('/D(\d+) (.*)/',$recurence, $recurenceMatches)) break;
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$vcardData['recur_interval'] = $recurenceMatches[1];
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$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[2]);
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// fall-through
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case 'DAILY': // 2.0
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$vcardData['recur_type'] = MCAL_RECUR_DAILY;
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break;
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case 'M':
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if(preg_match('/MD(\d+) (.*)/',$recurence, $recurenceMatches))
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{
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$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_MDAY;
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$vcardData['recur_interval'] = $recurenceMatches[1];
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}
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elseif(preg_match('/MP(\d+) (.*) (.*) (.*)/',$recurence, $recurenceMatches))
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{
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$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_WDAY;
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$vcardData['recur_interval'] = $recurenceMatches[1];
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}
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break;
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case 'MONTHLY':
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$vcardData['recur_type'] = strstr($recurence,'BYDAY') ?
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MCAL_RECUR_MONTHLY_WDAY : MCAL_RECUR_MONTHLY_MDAY;
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break;
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case 'Y': // 1.0
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if(!preg_match('/YM(\d+) (.*)/',$recurence, $recurenceMatches)) break;
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$vcardData['recur_interval'] = $recurenceMatches[1];
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// fall-through
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case 'YEARLY': // 2.0
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$vcardData['recur_type'] = MCAL_RECUR_YEARLY;
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break;
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}
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break;
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case 'EXDATE':
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// ToDo: $vcardData['recur_exception'] = ...
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break;
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case 'SUMMARY':
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$vcardData['title'] = $attributes['value'];
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break;
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case 'UID':
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$event['uid'] = $vcardData['uid'] = $attributes['value'];
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if ($cal_id <= 0 && !empty($vcardData['uid']) && ($uid_event = $this->read($vcardData['uid'])))
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{
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$event['id'] = $uid_event['id'];
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|
unset($uid_event);
|
|
}
|
|
break;
|
|
case 'TRANSP':
|
|
$vcardData['non_blocking'] = $attributes['value'] == 'TRANSPARENT';
|
|
break;
|
|
case 'PRIORITY':
|
|
$vcardData['priority'] = (int) $this->priority_ical2egw[$attributes['value']];
|
|
break;
|
|
case 'CATEGORIES':
|
|
$vcardData['category'] = array();
|
|
if ($attributes['value'])
|
|
{
|
|
if (!is_object($this->cat))
|
|
{
|
|
if (!is_object($GLOBALS['egw']->categories))
|
|
{
|
|
$GLOBALS['egw']->categories =& CreateObject('phpgwapi.categories',$this->owner,'calendar');
|
|
}
|
|
$this->cat =& $GLOBALS['egw']->categories;
|
|
}
|
|
foreach(explode(',',$attributes['value']) as $cat_name)
|
|
{
|
|
if (!($cat_id = $this->cat->name2id($cat_name)))
|
|
{
|
|
$cat_id = $this->cat->add( array('name' => $cat_name,'descr' => $cat_name ));
|
|
}
|
|
$vcardData['category'][] = $cat_id;
|
|
}
|
|
}
|
|
break;
|
|
case 'ATTENDEE':
|
|
if (preg_match('/MAILTO:([@.a-z0-9_-]+)/i',$attributes['value'],$matches) &&
|
|
($uid = $GLOBALS['egw']->accounts->name2id($matches[1],'account_email')))
|
|
{
|
|
$event['participants'][$uid] = isset($attributes['params']['PARTSTAT']) ?
|
|
$this->status_ical2egw[strtoupper($attributes['params']['PARTSTAT'])] :
|
|
($uid == $event['owner'] ? 'A' : 'U');
|
|
}
|
|
break;
|
|
case 'ORGANIZER': // will be written direct to the event
|
|
if (preg_match('/MAILTO:([@.a-z0-9_-]+)/i',$attributes['value'],$matches) &&
|
|
($uid = $GLOBALS['egw']->accounts->name2id($matches[1],'account_email')))
|
|
{
|
|
$event['owner'] = $uid;
|
|
}
|
|
break;
|
|
case 'CREATED': // will be written direct to the event
|
|
if ($event['modified']) break;
|
|
// fall through
|
|
case 'LAST-MODIFIED': // will be written direct to the event
|
|
$event['modified'] = $attributes['value'];
|
|
break;
|
|
}
|
|
}
|
|
//echo "event=";_debug_array($vcardData);
|
|
|
|
// now that we know what the vard provides, we merge that data with the information we have about the device
|
|
$event['priority'] = 2;
|
|
if($cal_id > 0)
|
|
{
|
|
$event['id'] = $cal_id;
|
|
}
|
|
while(($fieldName = array_shift($supportedFields)))
|
|
{
|
|
switch($fieldName)
|
|
{
|
|
case 'alarms':
|
|
// not handled here
|
|
break;
|
|
case 'recur_type':
|
|
$event['recur_type'] = $vcardData['recur_type'];
|
|
if ($event['recur_type'] != MCAL_RECUR_NONE)
|
|
{
|
|
foreach(array('recur_interval','recur_enddate','recur_data','recur_exception') as $r)
|
|
{
|
|
if(isset($vcardData[$r]))
|
|
{
|
|
$event[$r] = $vcardData[$r];
|
|
}
|
|
}
|
|
}
|
|
unset($supportedFields['recur_type']);
|
|
unset($supportedFields['recur_interval']);
|
|
unset($supportedFields['recur_enddate']);
|
|
unset($supportedFields['recur_data']);
|
|
break;
|
|
default:
|
|
if (isset($vcardData[$fieldName]))
|
|
{
|
|
$event[$fieldName] = $vcardData[$fieldName];
|
|
}
|
|
unset($supportedFields[$fieldName]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// add ourself to new events as participant
|
|
if($cal_id == -1 && !isset($this->supportedFields['participants']))
|
|
{
|
|
$event['participants'] = array($GLOBALS['egw_info']['user']['account_id'] => 'A');
|
|
}
|
|
#foreach($event as $key => $value)
|
|
#{
|
|
# error_log("KEY: $key VALUE: $value");
|
|
#}
|
|
#echo "event=";_debug_array($event);exit;
|
|
|
|
if (!($Ok = $this->update($event, TRUE))) {
|
|
break; // stop with the first error
|
|
}
|
|
else
|
|
{
|
|
$eventID =& $Ok;
|
|
|
|
// handle the alarms
|
|
if(count($alarms) > 0 || (isset($this->supportedFields['alarms']) && count($alarms) == 0))
|
|
{
|
|
// delete the old alarms
|
|
$updatedEvent = $this->read($eventID);
|
|
foreach($updatedEvent['alarm'] as $alarmID => $alarmData)
|
|
{
|
|
$this->delete_alarm($alarmID);
|
|
}
|
|
}
|
|
|
|
foreach($alarms as $alarm)
|
|
{
|
|
$alarm['offset'] = $event['start'] - $alarm['time'];
|
|
$alarm['owner'] = $GLOBALS['egw_info']['user']['account_id'];
|
|
$this->save_alarm($eventID, $alarm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $Ok;
|
|
}
|
|
|
|
function setSupportedFields($_productManufacturer='file', $_productName='')
|
|
{
|
|
$defaultFields = array('public' => 'public', 'description' => 'description', 'end' => 'end',
|
|
'start' => 'start', 'location' => 'location', 'recur_type' => 'recur_type',
|
|
'recur_interval' => 'recur_interval', 'recur_data' => 'recur_data', 'recur_enddate' => 'recur_enddate',
|
|
'title' => 'title', 'priority' => 'priority', 'alarms' => 'alarms',
|
|
|
|
);
|
|
|
|
switch(strtolower($_productManufacturer))
|
|
{
|
|
case 'nexthaus corporation':
|
|
switch(strtolower($_productName))
|
|
{
|
|
default:
|
|
# participants disabled until working correctly
|
|
#$this->supportedFields = $defaultFields + array('participants' => 'participants');
|
|
$this->supportedFields = $defaultFields;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
// multisync does not provide anymore information then the manufacturer
|
|
// we suppose multisync with evolution
|
|
case 'the multisync project':
|
|
switch(strtolower($_productName))
|
|
{
|
|
default:
|
|
$this->supportedFields = $defaultFields;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 'sonyericsson':
|
|
switch(strtolower($_productName))
|
|
{
|
|
case 'd750i':
|
|
default:
|
|
$this->supportedFields = $defaultFields;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 'synthesis ag':
|
|
switch(strtolower($_productName))
|
|
{
|
|
default:
|
|
$this->supportedFields = $defaultFields;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 'file': // used outside of SyncML, eg. by the calendar itself ==> all possible fields
|
|
$this->supportedFields = $defaultFields + array(
|
|
'participants' => 'participants',
|
|
'owner' => 'owner',
|
|
'non_blocking' => 'non_blocking',
|
|
'category' => 'category',
|
|
);
|
|
break;
|
|
|
|
// the fallback for SyncML
|
|
default:
|
|
error_log("Client not found: $_productManufacturer $_productName");
|
|
$this->supportedFields = $defaultFields;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
?>
|