seeddms-code/SeedDMS_SQLiteFTS/SQLiteFTS/Search.php
2020-09-29 16:42:09 +02:00

114 lines
2.8 KiB
PHP

<?php
/**
* Implementation of search in SQlite FTS index
*
* @category DMS
* @package SeedDMS_Lucene
* @license GPL 2
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2010, Uwe Steinmann
* @version Release: @package_version@
*/
/**
* Class for searching in a SQlite FTS index.
*
* @category DMS
* @package SeedDMS_Lucene
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2011, Uwe Steinmann
* @version Release: @package_version@
*/
class SeedDMS_SQliteFTS_Search {
/**
* @var object $index SQlite FTS index
* @access protected
*/
protected $index;
/**
* Create a new instance of the search
*
* @param object $index SQlite FTS index
* @return object instance of SeedDMS_SQliteFTS_Search
*/
function __construct($index) { /* {{{ */
$this->index = $index;
$this->version = '@package_version@';
if($this->version[0] == '@')
$this->version = '3.0.0';
} /* }}} */
/**
* Get hit from index
*
* @param object $index lucene index
* @return object instance of SeedDMS_Lucene_Document of false
*/
function getDocument($id) { /* {{{ */
$hits = $this->index->findById((int) $id);
return $hits ? $hits[0] : false;
} /* }}} */
/**
* Search in index
*
* @param object $index SQlite FTS index
* @return object instance of SeedDMS_Lucene_Search
*/
function search($term, $fields=array()) { /* {{{ */
$querystr = '';
if($term)
$querystr .= trim($term);
if(!empty($fields['owner'])) {
if(is_string($fields['owner'])) {
if($querystr)
$querystr .= ' ';
$querystr .= 'owner:'.$fields['owner'];
} elseif(is_array($fields['owner'])) {
if($querystr)
$querystr .= ' ';
$querystr .= '(owner:';
$querystr .= implode(' OR owner:', $fields['owner']);
$querystr .= ')';
}
}
if(!empty($fields['category'])) {
if($querystr)
$querystr .= ' ';
$querystr .= '(category:';
$querystr .= implode(' OR category:', $fields['category']);
$querystr .= ')';
}
if(!empty($fields['status'])) {
if($querystr)
$querystr .= ' ';
$status = array_map(function($v){return $v+10;}, $fields['status']);
$querystr .= '(status:';
$querystr .= implode(' OR status:', $status);
$querystr .= ')';
}
if(!empty($fields['user'])) {
if($querystr)
$querystr .= ' ';
$querystr .= '(users:';
$querystr .= implode(' OR users:', $fields['user']);
$querystr .= ')';
}
try {
$result = $this->index->find($querystr);
$recs = array();
foreach($result["hits"] as $hit) {
$recs[] = array('id'=>$hit->id, 'document_id'=>$hit->id);
}
return array('count'=>$result['count'], 'hits'=>$recs, 'facets'=>array());
} catch (Exception $e) {
return false;
}
} /* }}} */
}
?>