tao-test/app/tao/models/classes/search/strategy/GenerisSearch.php

134 lines
3.0 KiB
PHP

<?php
/**
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2014-2021 (original work) Open Assessment Technologies SA;
*/
declare(strict_types=1);
namespace oat\tao\model\search\strategy;
use oat\generis\model\OntologyRdfs;
use oat\tao\model\search\ResultSet;
use oat\oatbox\service\ConfigurableService;
use oat\generis\model\OntologyAwareTrait;
use oat\tao\model\search\Search;
use Traversable;
/**
* Simple Search implementation that ignores the indexes
* and searches over the labels
*
* @author Joel Bout <joel@taotesting.com>
*/
class GenerisSearch extends ConfigurableService implements Search
{
use OntologyAwareTrait;
/**
* @inheritDoc
*/
public function query($queryString, $type, $start = 0, $count = 10, $order = 'id', $dir = 'DESC')
{
$rootClass = $this->getClass($type);
$results = $rootClass->searchInstances(
[
OntologyRdfs::RDFS_LABEL => $queryString
],
[
'recursive' => true,
'like' => true,
'offset' => $start,
'limit' => $count,
]
);
$ids = [];
foreach ($results as $resource) {
$ids[] = [
'id' => $resource->getUri(),
'label' => $resource->getLabel()
];
}
return new ResultSet($ids, $this->getTotalCount($queryString, $rootClass));
}
/**
* @inheritDoc
*/
public function flush()
{
// no flushing required
}
/**
* @inheritDoc
*/
public function addIndexes(Traversable $IndexIterator)
{
return 0;
}
/**
* @inheritDoc
*/
private function getTotalCount($queryString, $rootClass = null)
{
return $rootClass->countInstances(
[
OntologyRdfs::RDFS_LABEL => $queryString
],
[
'recursive' => true,
'like' => true,
]
);
}
/**
* @inheritDoc
*/
public function index($document = [])
{
$i = 0;
foreach ($document as $resource) {
$i++;
}
return $i;
}
/**
* @inheritDoc
*/
public function remove($resourceId)
{
return true;
}
/**
* @inheritDoc
*/
public function supportCustomIndex()
{
return false;
}
}