gnu-social/actions/noticesearch.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');
# XXX common parent for people and content search?
class NoticesearchAction extends SearchAction
{
function get_instructions()
{
return _('Search for notices on %%site.name%% by their contents. Separate search terms by spaces; they must be 3 characters or more.');
}
function get_title()
{
return _('Text search');
}
function show_results($q, $page)
{
$notice = new Notice();
# lcase it for comparison
$q = strtolower($q);
$search_engine = $notice->getSearchEngine('identica_notices');
$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) {
$terms = preg_split('/[\s,]+/', $q);
$this->elementStart('ul', array('id' => 'notices'));
for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
if ($notice->fetch()) {
$this->show_notice($notice, $terms);
} else {
// shouldn't happen!
break;
}
}
$this->elementEnd('ul');
} else {
$this->element('p', 'error', _('No results'));
}
common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
$page, 'noticesearch', array('q' => $q));
}
function show_header($arr)
{
if ($arr) {
$q = $arr[0];
}
if ($q) {
$this->element('link', array('rel' => 'alternate',
'href' => common_local_url('noticesearchrss',
array('q' => $q)),
'type' => 'application/rss+xml',
'title' => _('Search Stream Feed')));
}
}
# XXX: refactor and combine with StreamAction::show_notice()
function show_notice($notice, $terms)
{
$profile = $notice->getProfile();
if (!$profile) {
common_log_db_error($notice, 'SELECT', __FILE__);
$this->server_error(_('Notice without matching profile'));
return;
}
# XXX: RDFa
$this->elementStart('li', array('class' => 'notice_single',
'id' => 'notice-' . $notice->id));
$avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
$this->elementStart('a', array('href' => $profile->profileurl));
$this->element('img', array('src' => ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE),
'class' => 'avatar stream',
'width' => AVATAR_STREAM_SIZE,
'height' => AVATAR_STREAM_SIZE,
'alt' =>
($profile->fullname) ? $profile->fullname :
$profile->nickname));
$this->elementEnd('a');
$this->element('a', array('href' => $profile->profileurl,
'class' => 'nickname'),
$profile->nickname);
# FIXME: URL, image, video, audio
$this->elementStart('p', array('class' => 'content'));
if ($notice->rendered) {
$this->raw($this->highlight($notice->rendered, $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)
$this->raw($this->highlight(common_render_content($notice->content, $notice), $terms));
}
$this->elementEnd('p');
$noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
$this->elementStart('p', 'time');
$this->element('a', array('class' => 'permalink',
'href' => $noticeurl,
'title' => common_exact_date($notice->created)),
common_date_string($notice->created));
if ($notice->reply_to) {
$replyurl = common_local_url('shownotice', array('notice' => $notice->reply_to));
$this->text(' (');
$this->element('a', array('class' => 'inreplyto',
'href' => $replyurl),
_('in reply to...'));
$this->text(')');
}
$this->elementStart('a',
array('href' => common_local_url('newnotice',
array('replyto' => $profile->nickname)),
'onclick' => 'doreply("'.$profile->nickname.'"); return false',
'title' => _('reply'),
'class' => 'replybutton'));
$this->hidden('posttoken', common_session_token());
$this->raw('&rarr;');
$this->elementEnd('a');
$this->elementEnd('p');
$this->elementEnd('li');
}
function highlight($text, $terms)
{
/* Highligh serach terms */
$pattern = '/('.implode('|',array_map('htmlspecialchars', $terms)).')/i';
$result = preg_replace($pattern, '<strong>\\1</strong>', $text);
/* Remove highlighting from inside links, loop incase multiple highlights in links */
$pattern = '/(href="[^"]*)<strong>('.implode('|',array_map('htmlspecialchars', $terms)).')<\/strong>([^"]*")/iU';
do {
$result = preg_replace($pattern, '\\1\\2\\3', $result, -1, $count);
} while ($count);
return $result;
}
}