egroupware/infolog/inc/class.infolog_ical.inc.php

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<?php
/**
* InfoLog - iCalendar Parser
*
* @link http://www.egroupware.org
* @author Lars Kneschke <lkneschke@egroupware.org>
* @package infolog
* @subpackage syncml
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
require_once EGW_API_INC.'/horde/Horde/iCalendar.php';
/**
* InfoLog: Create and parse iCal's
*
*/
class infolog_ical extends infolog_bo
{
var $egw_priority2vcal_priority = array(
0 => 3,
1 => 2,
2 => 1,
3 => 1,
);
var $vcal_priority2egw_priority = array(
1 => 2,
2 => 1,
3 => 0,
);
/**
* Exports one InfoLog tast to an iCalendar VTODO
*
* @param int $_taskID info_id
* @param string $version='2.0' could be '1.0' too
* @param boolean $force_own_uid=true ignore the stored and maybe from the client transfered uid and generate a new one
* RalfBecker: GroupDAV/CalDAV requires to switch that non RFC conform behavior off, dont know if SyncML still needs it
* @param boolean $extra_charset_attribute=true GroupDAV/CalDAV dont need the charset attribute and some clients have problems with it
* @return string/boolean string with vCal or false on error (eg. no permission to read the event)
*/
function exportVTODO($_taskID, $_version='2.0',$force_own_uid=true,$extra_charset_attribute=true)
{
$taskData = $this->read($_taskID);
$taskData = $GLOBALS['egw']->translation->convert($taskData, $GLOBALS['egw']->translation->charset(), 'UTF-8');
$taskGUID = $GLOBALS['egw']->common->generate_uid('infolog_task',$_taskID);
$vcal = &new Horde_iCalendar;
$vcal->setAttribute('VERSION',$_version);
$vcal->setAttribute('METHOD','PUBLISH');
$vevent = Horde_iCalendar::newComponent('VTODO',$vcal);
// set fields that may contain non-ascii chars and encode them if necessary
foreach(array(
'SUMMARY' => $taskData['info_subject'],
'DESCRIPTION' => $taskData['info_des'],
'LOCATION' => $taskData['info_location'],
) as $field => $value)
{
$vevent->setAttribute($field,$value);
$options = array();
if(preg_match('/([\000-\012\015\016\020-\037\075])/',$value))
{
$options['ENCODING'] = 'QUOTED-PRINTABLE';
}
if($extra_charset_attribute && preg_match('/([\177-\377])/',$value))
{
$options['CHARSET'] = 'UTF-8';
}
if ($options) $vevent->setParameter($field, $options);
}
if($taskData['info_startdate'])
$vevent->setAttribute('DTSTART',$taskData['info_startdate']);
if($taskData['info_enddate'])
$vevent->setAttribute('DUE',$taskData['info_enddate']);
if($taskData['info_datecompleted'])
$vevent->setAttribute('COMPLETED',$taskData['info_datecompleted']);
$vevent->setAttribute('DTSTAMP',time());
$vevent->setAttribute('CREATED',$GLOBALS['egw']->contenthistory->getTSforAction('infolog_task',$_taskID,'add'));
$vevent->setAttribute('LAST-MODIFIED',$GLOBALS['egw']->contenthistory->getTSforAction('infolog_task',$_taskID,'modify'));
//$vevent->setAttribute('UID',$force_own_uid ? $taskGUID : $taskData['info_uid']);
$vevent->setAttribute('UID',$taskData['info_uid']);
$vevent->setAttribute('CLASS',$taskData['info_access'] == 'public' ? 'PUBLIC' : 'PRIVATE');
$vevent->setAttribute('STATUS',$this->status2vtodo($taskData['info_status']));
// we try to preserv the original infolog status as X-INFOLOG-STATUS, so we can restore it, if the user does not modify STATUS
$vevent->setAttribute('X-INFOLOG-STATUS',$taskData['info_status']);
$vevent->setAttribute('PERCENT-COMPLETE',$taskData['info_percent']);
$vevent->setAttribute('PRIORITY',$this->egw_priority2vcal_priority[$taskData['info_priority']]);
if (!empty($taskData['info_cat']))
{
$cats = $this->get_categories(array($taskData['info_cat']));
$vevent->setAttribute('CATEGORIES', $cats[0]);
}
$vcal->addComponent($vevent);
return $vcal->exportvCalendar();
}
/**
* Import a VTODO component of an iCal
*
* @param string $_vcalData
* @param int $_taskID=-1 info_id, default -1 = new entry
* @return int|boolean integer info_id or false on error
*/
function importVTODO(&$_vcalData, $_taskID=-1)
{
if(!$taskData = $this->vtodotoegw($_vcalData,$_taskID))
{
return false;
}
// we suppose that a not set status in a vtodo means that the task did not started yet
if(empty($taskData['info_status']))
{
$taskData['info_status'] = 'not-started';
}
return $this->write($taskData);
}
function searchVTODO($_vcalData)
{
if(!$egwData = $this->vtodotoegw($_vcalData)) {
return false;
}
#unset($egwData['info_priority']);
$filter = array('col_filter' => $egwData);
if($foundItems = $this->search($filter)) {
if(count($foundItems) > 0) {
$itemIDs = array_keys($foundItems);
return $itemIDs[0];
}
}
return false;
}
function vtodotoegw($_vcalData,$_taskID=-1)
{
$vcal = &new Horde_iCalendar;
if(!$vcal->parsevCalendar($_vcalData))
{
return FALSE;
}
$components = $vcal->getComponents();
if(count($components) > 0)
{
$component = $components[0];
if(is_a($component, 'Horde_iCalendar_vtodo'))
{
$taskData = array();
if($_taskID > 0)
{
$taskData['info_id'] = $_taskID;
}
foreach($component->_attributes as $attributes)
{
switch($attributes['name'])
{
case 'CLASS':
$taskData['info_access'] = strtolower($attributes['value']);
break;
case 'DESCRIPTION':
$taskData['info_des'] = $attributes['value'];
break;
case 'LOCATION':
$taskData['info_location'] = $attributes['value'];
break;
case 'DUE':
$taskData['info_enddate'] = $attributes['value'];
break;
case 'COMPLETED':
$taskData['info_datecompleted'] = $attributes['value'];
break;
case 'DTSTART':
$taskData['info_startdate'] = $attributes['value'];
break;
case 'PRIORITY':
if (1 <= $attributes['value'] && $attributes['value'] <= 3)
{
$taskData['info_priority'] = $this->vcal_priority2egw_priority[$attributes['value']];
}
else
{
$taskData['info_priority'] = 1; // default = normal
}
break;
case 'STATUS':
// check if we (still) have X-INFOLOG-STATUS set AND it would give an unchanged status (no change by the user)
foreach($component->_attributes as $attr)
{
if ($attr['name'] == 'X-INFOLOG-STATUS') break;
}
$taskData['info_status'] = $this->vtodo2status($attributes['value'],
$attr['name'] == 'X-INFOLOG-STATUS' ? $attr['value'] : null);
break;
case 'SUMMARY':
$taskData['info_subject'] = $attributes['value'];
break;
case 'CATEGORIES':
$cats = $this->find_or_add_categories(explode(',', $attributes['value']));
$taskData['info_cat'] = $cats[0];
break;
case 'UID':
$taskData['info_uid'] = $attributes['value'];
if ($_taskID <= 0 && !empty($attributes['value']) && ($uid_task = $this->read($attributes['value'])))
{
$taskData['info_id'] = $uid_task['id'];
unset($uid_task);
}
break;
case 'PERCENT-COMPLETE':
$taskData['info_percent'] = (int) $attributes['value'];
break;
}
}
# the horde ical class does already convert in parsevCalendar
# do NOT convert here
#$taskData = $GLOBALS['egw']->translation->convert($taskData, 'UTF-8');
return $taskData;
}
}
return FALSE;
}
function exportVNOTE($_noteID, $_type)
{
$note = $this->read($_noteID);
$note = $GLOBALS['egw']->translation->convert($note, $GLOBALS['egw']->translation->charset(), 'UTF-8');
switch($_type)
{
case 'text/plain':
$txt = $note['info_subject']."\n\n".$note['info_des'];
return $txt;
break;
case 'text/x-vnote':
$noteGUID = $GLOBALS['egw']->common->generate_uid('infolog_note',$_noteID);
$vnote = &new Horde_iCalendar_vnote();
$vNote->setAttribute('VERSION', '1.1');
$vnote->setAttribute('SUMMARY',$note['info_subject']);
$vnote->setAttribute('BODY',$note['info_des']);
if($note['info_startdate'])
$vnote->setAttribute('DCREATED',$note['info_startdate']);
$vnote->setAttribute('DCREATED',$GLOBALS['egw']->contenthistory->getTSforAction('infolog_note',$_noteID,'add'));
$vnote->setAttribute('LAST-MODIFIED',$GLOBALS['egw']->contenthistory->getTSforAction('infolog_note',$_noteID,'modify'));
if (!empty($note['info_cat']))
{
$cats = $this->get_categories(array($note['info_cat']));
$vnote->setAttribute('CATEGORIES', $cats[0]);
}
#$vnote->setAttribute('UID',$noteGUID);
#$vnote->setAttribute('CLASS',$taskData['info_access'] == 'public' ? 'PUBLIC' : 'PRIVATE');
#$options = array('CHARSET' => 'UTF-8','ENCODING' => 'QUOTED-PRINTABLE');
#$vnote->setParameter('SUMMARY', $options);
#$vnote->setParameter('DESCRIPTION', $options);
return $vnote->exportvCalendar();
break;
}
return false;
}
function importVNOTE(&$_vcalData, $_type, $_noteID = -1)
{
if(!$note = $this->vnotetoegw($_vcalData, $_type))
{
return false;
}
if($_noteID > 0)
{
$note['info_id'] = $_noteID;
}
if(empty($note['info_status'])) {
$note['info_status'] = 'done';
}
#_debug_array($taskData);exit;
return $this->write($note);
}
function searchVNOTE($_vcalData, $_type)
{
if(!$note = $this->vnotetoegw($_vcalData)) {
return false;
}
$filter = array('col_filter' => $egwData);
if($foundItems = $this->search($filter)) {
if(count($foundItems) > 0) {
$itemIDs = array_keys($foundItems);
return $itemIDs[0];
}
}
return false;
}
function vnotetoegw($_data, $_type)
{
switch($_type)
{
case 'text/plain':
$note = array();
$note['info_type'] = 'note';
$botranslation =& CreateObject('phpgwapi.translation');
$txt = $botranslation->convert($_data, 'utf-8');
$txt = str_replace("\r\n", "\n", $txt);
if (preg_match("/^(^\n)\n\n(.*)$/", $txt, $match))
{
$note['info_subject'] = $match[0];
$note['info_des'] = $match[1];
}
else
{
$note['info_des'] = $txt;
}
return $note;
break;
case 'text/x-vnote':
$vnote = &new Horde_iCalendar;
if (!$vcal->parsevCalendar($_data))
{
return FALSE;
}
$components = $vnote->getComponent();
if(count($components) > 0)
{
$component = $components[0];
if(is_a($component, 'Horde_iCalendar_vnote'))
{
$note = array();
$note['info_type'] = 'note';
foreach($component->_attributes as $attribute)
{
switch ($attribute['name'])
{
case 'BODY':
$note['info_des'] = $attribute['value'];
break;
case 'SUMMARY':
$note['info_subject'] = $attribute['value'];
break;
case 'CATEGORIES':
{
$cats = $this->find_or_add_categories(explode(',', $attribute['value']));
$note['info_cat'] = $cats[0];
}
break;
}
}
}
return $note;
}
}
return FALSE;
}
}