gnu-social/actions/noticesearch.php

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<?php
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/**
* Notice search action class.
*
* PHP version 5
*
* @category Action
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Robin Millette <millette@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*
* 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/>.
*/
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if (!defined('LACONICA')) {
exit(1);
}
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require_once INSTALLDIR.'/lib/searchaction.php';
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/**
* Notice search action class.
*
* @category Action
* @package Laconica
* @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/
* @todo common parent for people and content search?
*/
class NoticesearchAction extends SearchAction
{
function prepare($args)
{
parent::prepare($args);
common_set_returnto($this->selfUrl());
return true;
}
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/**
* Get instructions
*
* @return string instruction text
*/
function getInstructions()
{
return _('Search for notices on %%site.name%% by their contents. Separate search terms by spaces; they must be 3 characters or more.');
}
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/**
* Get title
*
* @return string title
*/
function title()
{
return _('Text search');
}
function showExportData()
{
$q = $this->trimmed('q');
if (!$q) {
return;
}
$fl = new FeedList($this);
$fl->show(array(0 => array('href' => common_local_url('noticesearchrss', array('q' => $q)),
'type' => 'rss',
'version' => 'RSS 1.0',
'item' => 'noticesearchrss')));
}
function showFeeds()
{
$q = $this->trimmed('q');
if (!$q) {
return;
}
$this->element('link', array('rel' => 'alternate',
'href' => common_local_url('noticesearchrss',
array('q' => $q)),
'type' => 'application/rss+xml',
'title' => _('Search Stream Feed')));
}
/**
* Show header
*
* @param array $arr array containing the query
*
* @return void
*/
function extraHead2()
{
$q = $this->trimmed('q');
if ($q) {
$this->element('link', array('rel' => 'alternate',
'href' => common_local_url('noticesearchrss',
array('q' => $q)),
'type' => 'application/rss+xml',
'title' => _('Search Stream Feed')));
}
}
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/**
* Show results
*
* @param string $q search query
* @param integer $page page number
*
* @return void
*/
function showResults($q, $page)
{
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$notice = new Notice();
$q = strtolower($q);
$search_engine = $notice->getSearchEngine('identica_notices');
$search_engine->set_sort_mode('chron');
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// 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;
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} else {
$cnt = $notice->find();
}
if ($cnt > 0) {
$terms = preg_split('/[\s,]+/', $q);
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$this->elementStart('ul', array('class' => 'notices'));
for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
if ($notice->fetch()) {
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$this->showNotice($notice, $terms);
} else {
// shouldn't happen!
break;
}
}
$this->elementEnd('ul');
} else {
$this->element('p', 'error', _('No results'));
}
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$this->pagination($page > 1, $cnt > NOTICES_PER_PAGE,
$page, 'noticesearch', array('q' => $q));
}
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/**
* Show notice
*
* @param class $notice notice
* @param array $terms terms to highlight
*
* @return void
*
* @todo refactor and combine with StreamAction::showNotice()
*/
function showNotice($notice, $terms)
{
$profile = $notice->getProfile();
if (!$profile) {
common_log_db_error($notice, 'SELECT', __FILE__);
$this->serverError(_('Notice without matching profile'));
return;
}
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// XXX: RDFa
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$this->elementStart('li', array('class' => 'hentry notice',
'id' => 'notice-' . $notice->id));
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$this->elementStart('div', 'entry-title');
$this->elementStart('span', 'vcard author');
$avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
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$this->elementStart('a', array('href' => $profile->profileurl,
'class' => 'url'));
$this->element('img', array('src' => ($avatar) ? $avatar->displayUrl() : Avatar::defaultImage(AVATAR_STREAM_SIZE),
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'class' => 'avatar photo',
'width' => AVATAR_STREAM_SIZE,
'height' => AVATAR_STREAM_SIZE,
'alt' =>
($profile->fullname) ? $profile->fullname :
$profile->nickname));
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$this->element('span', 'nickname fn', $profile->nickname);
$this->elementEnd('a');
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$this->elementEnd('span');
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// FIXME: URL, image, video, audio
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$this->elementStart('p', array('class' => 'entry-content'));
if ($notice->rendered) {
$this->raw($this->highlight($notice->rendered, $terms));
} else {
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// 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));
}
$this->elementEnd('p');
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$this->elementEnd('div');
$noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
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$this->elementStart('div', 'entry-content');
$this->elementStart('dl', 'timestamp');
$this->element('dt', null, _('Published'));
$this->elementStart('dd', null);
$this->elementStart('a', array('rel' => 'bookmark',
'href' => $noticeurl));
$dt = common_date_iso8601($notice->created);
$this->element('abbr', array('class' => 'published',
'title' => $dt),
common_date_string($notice->created));
$this->elementEnd('a');
$this->elementEnd('dd');
$this->elementEnd('dl');
if ($notice->reply_to) {
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$replyurl = common_local_url('shownotice',
array('notice' => $this->notice->reply_to));
$this->elementStart('dl', 'response');
$this->element('dt', null, _('To'));
$this->elementStart('dd');
$this->element('a', array('href' => $replyurl,
'rel' => 'in-reply-to'),
_('in reply to'));
$this->elementEnd('dd');
$this->elementEnd('dl');
}
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$this->elementEnd('div');
$this->elementStart('div', 'notice-options');
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$reply_url = common_local_url('newnotice',
array('replyto' => $profile->nickname));
$this->elementStart('dl', 'notice_reply');
$this->element('dt', null, _('Reply to this notice'));
$this->elementStart('dd');
$this->elementStart('a', array('href' => $reply_url,
'title' => _('Reply to this notice')));
$this->text(_('Reply'));
$this->element('span', 'notice_id', $notice->id);
$this->elementEnd('a');
$this->elementEnd('dd');
$this->elementEnd('dl');
$this->elementEnd('div');
$this->elementEnd('li');
}
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/**
* Highlist query terms
*
* @param string $text notice text
* @param array $terms terms to highlight
*
* @return void
*/
function highlight($text, $terms)
{
/* Highligh serach terms */
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$pattern = '/('.implode('|', array_map('htmlspecialchars', $terms)).')/i';
$result = preg_replace($pattern, '<strong>\\1</strong>', $text);
/* Remove highlighting from inside links, loop incase multiple highlights in links */
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$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;
}
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function isReadOnly()
{
return true;
}
}
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