gnu-social/actions/peoplesearch.php

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<?php
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/**
* People search action class.
*
* PHP version 5
*
* @category Action
* @package StatusNet
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* @author Evan Prodromou <evan@controlyourself.ca>
* @author Robin Millette <millette@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*
* StatusNet - a distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, 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/>.
*/
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if (!defined('LACONICA')) {
exit(1);
}
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require_once INSTALLDIR.'/lib/searchaction.php';
require_once INSTALLDIR.'/lib/profilelist.php';
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/**
* People search action class.
*
* @category Action
* @package StatusNet
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* @author Evan Prodromou <evan@controlyourself.ca>
* @author Robin Millette <millette@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*/
class PeoplesearchAction extends SearchAction
{
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function getInstructions()
{
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.');
}
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function title()
{
return _('People search');
}
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function showResults($q, $page)
{
$profile = new Profile();
$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,]+/', $q);
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$results = new PeopleSearchResults($profile, $terms, $this);
$results->show();
$profile->free();
$this->pagination($page > 1, $cnt > PROFILES_PER_PAGE,
$page, 'peoplesearch', array('q' => $q));
} else {
$this->element('p', 'error', _('No results.'));
$this->searchSuggestions($q);
$profile->free();
}
}
}
/**
* People search results class
*
* Derivative of ProfileList with specialization for highlighting search terms.
*
* @category Widget
* @package StatusNet
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Robin Millette <millette@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*
* @see PeoplesearchAction
*/
class PeopleSearchResults extends ProfileList
{
var $terms = null;
var $pattern = null;
function __construct($profile, $terms, $action)
{
parent::__construct($profile, $action);
$this->terms = array_map('preg_quote',
array_map('htmlspecialchars', $terms));
$this->pattern = '/('.implode('|',$terms).')/i';
}
function newProfileItem($profile)
{
return new PeopleSearchResultItem($profile, $this->action);
}
}
class PeopleSearchResultItem extends ProfileListItem
{
function highlight($text)
{
return preg_replace($this->pattern, '<strong>\\1</strong>', htmlspecialchars($text));
}
}