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<?php
/**
* @author Georg Ehrke <oc.list@georgehrke.com>
*
* @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
* @license GNU AGPL version 3 or any later version
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\DAV\CalDAV\Search;
use Sabre\VObject;
class CalendarSearchValidator {
/**
* Verify if a list of filters applies to the calendar data object
*
* The list of filters must be formatted as parsed by Xml\Request\CalendarSearchReport
*
* @param VObject\Component\VCalendar $vObject
* @param array $filters
* @return bool
*/
function validate(VObject\Component\VCalendar $vObject, array $filters) {
$comps = $vObject->getComponents();
$filters['comps'][] = 'VTIMEZONE';
$matches = false;
foreach($comps as $comp) {
if ($comp->name === 'VTIMEZONE') {
continue;
}
if ($matches) {
break;
}
// check comps
if (!in_array($comp->name, $filters['comps'])) {
return false;
}
$children = $comp->children();
foreach($children as $child) {
if (!($child instanceof VObject\Property)) {
continue;
}
if ($matches) {
break;
}
foreach($filters['props'] as $prop) {
if ($child->name !== $prop) {
continue;
}
$value = $child->getValue();
if (substr_count($value, $filters['search-term'])) {
$matches = true;
break;
}
}
foreach($filters['params'] as $param) {
$propName = $param['property'];
$paramName = $param['parameter'];
if ($child->name !== $propName) {
continue;
}
if ($matches) {
break;
}
$parameters = $child->parameters();
foreach ($parameters as $key => $value) {
if ($paramName !== $key) {
continue;
}
if (substr_count($value, $filters['search-term'])) {
$matches = true;
break;
}
}
}
}
}
return $matches;
}
}
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