gnu-social/actions/peoplesearch.php

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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program 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.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/lib/searchaction.php');
require_once(INSTALLDIR.'/lib/profilelist.php');
class PeoplesearchAction extends SearchAction
{
function get_instructions()
{
return _('Search for people on %%site.name%% by their name, location, or interests. ' .
'Separate the terms by spaces; they must be 3 characters or more.');
}
function get_title()
{
return _('People search');
}
function show_results($q, $page)
{
$profile = new Profile();
# lcase it for comparison
$q = strtolower($q);
$search_engine = $profile->getSearchEngine('identica_people');
$search_engine->set_sort_mode('chron');
# Ask for an extra to see if there's more.
$search_engine->limit((($page-1)*PROFILES_PER_PAGE), PROFILES_PER_PAGE + 1);
if (false === $search_engine->query($q)) {
$cnt = 0;
}
else {
$cnt = $profile->find();
}
if ($cnt > 0) {
$terms = preg_split('/[\s,]+/', $q);
$results = new PeopleSearchResults($profile, $terms);
$results->show_list();
} else {
common_element('p', 'error', _('No results'));
}
$profile->free();
common_pagination($page > 1, $cnt > PROFILES_PER_PAGE,
$page, 'peoplesearch', array('q' => $q));
}
}
class PeopleSearchResults extends ProfileList
{
var $terms = null;
var $pattern = null;
function __construct($profile, $terms)
{
parent::__construct($profile);
$this->terms = array_map('preg_quote',
array_map('htmlspecialchars', $terms));
$this->pattern = '/('.implode('|',$terms).')/i';
}
function highlight($text)
{
return preg_replace($this->pattern, '<strong>\\1</strong>', htmlspecialchars($text));
}
}