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iTop/sources/Application/UI/Base/Component/GlobalSearch/GlobalSearchHelper.php

141 lines
4.4 KiB
PHP

<?php
/**
* Copyright (C) 2013-2024 Combodo SAS
*
* 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\UI\Base\Component\GlobalSearch;
use appUserPreferences;
use MetaModel;
use utils;
/**
* Class GlobalSearchHelper
*
* @author Guillaume Lajarige <guillaume.lajarige@combodo.com>
* @package Combodo\iTop\Application\UI\Base\Component\GlobalSearch
* @internal
* @since 3.0.0
*/
class GlobalSearchHelper
{
/** @var string */
public 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
* @throws \Exception
* @noinspection PhpUnused Called by /pages/UI.php and extensions overloading the global search
*/
public static function AddQueryToHistory(string $sQuery, ?string $sIconRelUrl = null, ?string $sLabelAsHtml = null)
{
$aNewEntry = [
'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
$aNewEntry['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)) {
$aNewEntry['label_html'] = $sLabelAsHtml;
}
/** @var array $aHistoryEntries */
$aHistoryEntries = appUserPreferences::GetPref(static::USER_PREF_CODE, []);
// Remove same query from history to avoid duplicates
for ($iIdx = 0; $iIdx < count($aHistoryEntries); $iIdx++) {
if ($aHistoryEntries[$iIdx]['query'] === $sQuery) {
unset($aHistoryEntries[$iIdx]);
}
}
// Add new entry
array_unshift($aHistoryEntries, $aNewEntry);
// Truncate history
static::TruncateHistory($aHistoryEntries);
appUserPreferences::SetPref(static::USER_PREF_CODE, $aHistoryEntries);
}
/**
* Return an array of past queries, including the query itself and its HTML label
*
* @return array
* @throws \CoreException
* @throws \CoreUnexpectedValue
* @throws \MySQLException
* @throws \Exception
*/
public static function GetLastQueries()
{
/** @var array $aHistoryEntries */
$aHistoryEntries = appUserPreferences::GetPref(static::USER_PREF_CODE, []);
static::TruncateHistory($aHistoryEntries);
for ($iIdx = 0; $iIdx < count($aHistoryEntries); $iIdx++) {
$sRawQuery = $aHistoryEntries[$iIdx]['query'];
// Make icon URL absolute
if (isset($aHistoryEntries[$iIdx]['icon_url'])) {
$aHistoryEntries[$iIdx]['icon_url'] = utils::GetAbsoluteUrlAppRoot().$aHistoryEntries[$iIdx]['icon_url'];
}
// Add HTML label if missing
if (!isset($aHistoryEntries[$iIdx]['label_html'])) {
$aHistoryEntries[$iIdx]['label_html'] = utils::EscapeHtml($sRawQuery);
}
// Add URL
if (!isset($aHistoryEntries[$iIdx]['target_url'])) {
$aHistoryEntries[$iIdx]['target_url'] = utils::GetAbsoluteUrlAppRoot().'pages/UI.php?operation=full_text&text='.urlencode($sRawQuery);
}
}
return $aHistoryEntries;
}
/**
* Truncate $aHistoryEntries to 'global_search.max_history_results' entries
*
* @param array $aHistoryEntries
*/
protected static function TruncateHistory(array &$aHistoryEntries): void
{
$iMaxHistoryResults = (int) MetaModel::GetConfig()->Get('global_search.max_history_results');
if (count($aHistoryEntries) > $iMaxHistoryResults) {
$aHistoryEntries = array_slice($aHistoryEntries, 0, $iMaxHistoryResults);
}
}
}