236 lines
7.7 KiB
PHP
236 lines
7.7 KiB
PHP
<?php
|
|
/**
|
|
* Notice search action class.
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* @category Action
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @author Robin Millette <millette@status.net>
|
|
* @author Sarven Capadisli <csarven@status.net>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
|
|
* @link http://status.net/
|
|
*
|
|
* StatusNet - the 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/>.
|
|
*/
|
|
|
|
if (!defined('STATUSNET') && !defined('LACONICA')) {
|
|
exit(1);
|
|
}
|
|
|
|
require_once INSTALLDIR.'/lib/searchaction.php';
|
|
|
|
/**
|
|
* Notice search action class.
|
|
*
|
|
* @category Action
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @author Robin Millette <millette@status.net>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
|
|
* @link http://status.net/
|
|
* @todo common parent for people and content search?
|
|
*/
|
|
class NoticesearchAction extends SearchAction
|
|
{
|
|
protected $q = null;
|
|
|
|
function prepare($args)
|
|
{
|
|
parent::prepare($args);
|
|
|
|
$this->q = $this->trimmed('q');
|
|
|
|
// FIXME: very dependent on tag format
|
|
if (preg_match('/^#([\pL\pN_\-\.]{1,64})/ue', $this->q)) {
|
|
common_redirect(common_local_url('tag',
|
|
array('tag' => common_canonical_tag(substr($this->q, 1)))),
|
|
303);
|
|
}
|
|
|
|
common_set_returnto($this->selfUrl());
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get instructions
|
|
*
|
|
* @return string instruction text
|
|
*/
|
|
function getInstructions()
|
|
{
|
|
// TRANS: Instructions for Notice search page.
|
|
// TRANS: %%site.name%% is the name of the StatusNet site.
|
|
return _('Search for notices on %%site.name%% by their contents. Separate search terms by spaces; they must be 3 characters or more.');
|
|
}
|
|
|
|
/**
|
|
* Get title
|
|
*
|
|
* @return string title
|
|
*/
|
|
function title()
|
|
{
|
|
// TRANS: Title of the page where users can search for notices.
|
|
return _('Text search');
|
|
}
|
|
|
|
function getFeeds()
|
|
{
|
|
$q = $this->trimmed('q');
|
|
|
|
if (!$q) {
|
|
return null;
|
|
}
|
|
|
|
return array(new Feed(Feed::RSS1, common_local_url('noticesearchrss',
|
|
array('q' => $q)),
|
|
// TRANS: Test in RSS notice search.
|
|
// TRANS: %1$s is the query, %2$s is the StatusNet site name.
|
|
sprintf(_('Search results for "%1$s" on %2$s'),
|
|
$q, common_config('site', 'name'))));
|
|
}
|
|
|
|
/**
|
|
* Show results
|
|
*
|
|
* @param string $q search query
|
|
* @param integer $page page number
|
|
*
|
|
* @return void
|
|
*/
|
|
function showResults($q, $page)
|
|
{
|
|
$notice = new Notice();
|
|
|
|
$search_engine = $notice->getSearchEngine('notice');
|
|
$search_engine->set_sort_mode('chron');
|
|
// Ask for an extra to see if there's more.
|
|
$search_engine->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
|
|
if (false === $search_engine->query($q)) {
|
|
$cnt = 0;
|
|
} else {
|
|
$cnt = $notice->find();
|
|
}
|
|
if ($cnt === 0) {
|
|
// TRANS: Text for notice search results is the query had no results.
|
|
$this->element('p', 'error', _('No results.'));
|
|
|
|
$this->searchSuggestions($q);
|
|
if (common_logged_in()) {
|
|
// TRANS: Text for logged in users making a query for notices without results.
|
|
// TRANS: This message contains a Markdown link.
|
|
$message = sprintf(_('Be the first to [post on this topic](%%%%action.newnotice%%%%?status_textarea=%s)!'), urlencode($q));
|
|
}
|
|
else {
|
|
// TRANS: Text for not logged in users making a query for notices without results.
|
|
// TRANS: This message contains Markdown links.
|
|
$message = sprintf(_('Why not [register an account](%%%%action.register%%%%) and be the first to [post on this topic](%%%%action.newnotice%%%%?status_textarea=%s)!'), urlencode($q));
|
|
}
|
|
|
|
$this->elementStart('div', 'guide');
|
|
$this->raw(common_markup_to_html($message));
|
|
$this->elementEnd('div');
|
|
return;
|
|
}
|
|
if (Event::handle('StartNoticeSearchShowResults', array($this, $q, $notice))) {
|
|
$terms = preg_split('/[\s,]+/', $q);
|
|
$nl = new SearchNoticeList($notice, $this, $terms);
|
|
$cnt = $nl->show();
|
|
$this->pagination($page > 1, $cnt > NOTICES_PER_PAGE,
|
|
$page, 'noticesearch', array('q' => $q));
|
|
Event::handle('EndNoticeSearchShowResults', array($this, $q, $notice));
|
|
}
|
|
}
|
|
|
|
function showScripts()
|
|
{
|
|
parent::showScripts();
|
|
$this->autofocus('q');
|
|
}
|
|
}
|
|
|
|
class SearchNoticeList extends NoticeList {
|
|
function __construct($notice, $out=null, $terms)
|
|
{
|
|
parent::__construct($notice, $out);
|
|
$this->terms = $terms;
|
|
}
|
|
|
|
function newListItem($notice)
|
|
{
|
|
return new SearchNoticeListItem($notice, $this->out, $this->terms);
|
|
}
|
|
}
|
|
|
|
class SearchNoticeListItem extends NoticeListItem {
|
|
function __construct($notice, $out=null, $terms)
|
|
{
|
|
parent::__construct($notice, $out);
|
|
$this->terms = $terms;
|
|
}
|
|
|
|
function showContent()
|
|
{
|
|
// FIXME: URL, image, video, audio
|
|
$this->out->elementStart('p', array('class' => 'entry-content'));
|
|
if ($this->notice->rendered) {
|
|
$this->out->raw($this->highlight($this->notice->rendered, $this->terms));
|
|
} else {
|
|
// XXX: may be some uncooked notices in the DB,
|
|
// we cook them right now. This should probably disappear in future
|
|
// versions (>> 0.4.x)
|
|
$this->out->raw($this->highlight(common_render_content($this->notice->content, $this->notice), $this->terms));
|
|
}
|
|
$this->out->elementEnd('p');
|
|
|
|
}
|
|
|
|
/**
|
|
* Highlist query terms
|
|
*
|
|
* @param string $text notice text
|
|
* @param array $terms terms to highlight
|
|
*
|
|
* @return void
|
|
*/
|
|
function highlight($text, $terms)
|
|
{
|
|
/* Highligh search terms */
|
|
$options = implode('|', array_map('preg_quote', array_map('htmlspecialchars', $terms),
|
|
array_fill(0, sizeof($terms), '/')));
|
|
$pattern = "/($options)/i";
|
|
$result = '';
|
|
|
|
/* Divide up into text (highlight me) and tags (don't touch) */
|
|
$chunks = preg_split('/(<[^>]+>)/', $text, 0, PREG_SPLIT_DELIM_CAPTURE);
|
|
foreach ($chunks as $i => $chunk) {
|
|
if ($i % 2 == 1) {
|
|
// odd: delimiter (tag)
|
|
$result .= $chunk;
|
|
} else {
|
|
// even: freetext between tags
|
|
$result .= preg_replace($pattern, '<strong>\\1</strong>', $chunk);
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
}
|