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