Files
iTop/sources/application/GlobalSearch/GlobalSearchHelper.php
2020-07-27 15:09:34 +02:00

117 lines
3.3 KiB
PHP

<?php
/**
* Copyright (C) 2013-2020 Combodo SARL
*
* This file is part of iTop.
*
* iTop is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* iTop 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
*/
namespace Combodo\iTop\Application\GlobalSearch;
use appUserPreferences;
use utils;
/**
* Class GlobalSearchHelper
*
* @author Guillaume Lajarige <guillaume.lajarige@combodo.com>
* @package Combodo\iTop\Application\GlobalSearch
* @since 2.8.0
*/
class GlobalSearchHelper
{
const MAX_HISTORY_SIZE = 10;
const USER_PREF_CODE = 'global_search_history';
/**
* Add $sQuery to the history. History is limited to the static::MAX_HISTORY_SIZE last queries.
*
* @param string $sQuery Raw search query
* @param string|null $sIconRelUrl Relative URL of the icon
* @param string|null $sLabelAsHtml Alternate label for the query (eg. more human readable or with highlights), MUST be html entities otherwise there can be XSS flaws
*
* @return void
* @throws \CoreException
* @throws \CoreUnexpectedValue
* @throws \MySQLException
*/
public static function AddQueryToHistory($sQuery, $sIconRelUrl = null, $sLabelAsHtml = null)
{
$aNewQuery = [
'query' => $sQuery,
];
// Set icon only when necessary
if(!empty($sIconRelUrl))
{
//Ensure URL is relative to limit space in the preferences and avoid broken links in case app_root_url changes
$aNewQuery['icon_url'] = str_replace(utils::GetAbsoluteUrlAppRoot(), '', $sIconRelUrl);
}
// Set label only when necessary to avoid unnecessary space filling of the preferences in the DB
if(!empty($sLabelAsHtml))
{
$aNewQuery['label_html'] = $sLabelAsHtml;
}
/** @var array $aQueriesHistory */
$aQueriesHistory = appUserPreferences::GetPref(static::USER_PREF_CODE, []);
// Remove same query from history to avoid duplicates
for($iIdx = 0; $iIdx < count($aQueriesHistory); $iIdx++)
{
if($aQueriesHistory[$iIdx]['query'] === $sQuery)
{
unset($aQueriesHistory[$iIdx]);
}
}
// Add new query
array_unshift($aQueriesHistory, $aNewQuery);
// Truncate history
if(count($aQueriesHistory) > static::MAX_HISTORY_SIZE)
{
$aQueriesHistory = array_slice($aQueriesHistory, 0, static::MAX_HISTORY_SIZE);
}
appUserPreferences::SetPref(static::USER_PREF_CODE, $aQueriesHistory);
}
/**
* Return an array of pasted queries, including the query itself and its HTML label
*
* @return array
* @throws \CoreException
* @throws \CoreUnexpectedValue
* @throws \MySQLException
*/
public static function GetLastQueries()
{
/** @var array $aLastQueries */
$aLastQueries = appUserPreferences::GetPref(static::USER_PREF_CODE, []);
// Add HTML label if missing
for($iIdx = 0; $iIdx < count($aLastQueries); $iIdx++)
{
if(!isset($aLastQueries[$iIdx]['label_html']))
{
$aLastQueries[$iIdx]['label_html'] = utils::HtmlEntities($aLastQueries[$iIdx]['query']);
}
}
return $aLastQueries;
}
}