<?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+/**
+ * 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+ exit(1);
+}
-require_once(INSTALLDIR.'/lib/searchaction.php');
+require_once INSTALLDIR.'/lib/searchaction.php';
-# XXX common parent for people and content search?
+/**
+ * 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 $q = null;
-class NoticesearchAction extends SearchAction {
+ function prepare($args)
+ {
+ parent::prepare($args);
- 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.');
- }
+ $this->q = $this->trimmed('q');
- function get_title() {
- return _('Text search');
- }
+ // 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);
+ }
- function show_results($q, $page) {
+ if (!empty($this->q)) {
- $notice = new Notice();
+ $profile = Profile::current();
+ $stream = new SearchNoticeStream($this->q, $profile);
+ $page = $this->trimmed('page');
- # lcase it for comparison
- $q = strtolower($q);
+ if (empty($page)) {
+ $page = 1;
+ } else {
+ $page = (int)$page;
+ }
- $search_engine = $notice->getSearchEngine('identica_notices');
+ $this->notice = $stream->getNotices((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
+ }
- $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);
+ 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;
+ }
- if (false === $search_engine->query($q)) {
- $cnt = 0;
+ 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, $page)
+ {
+ if (Event::handle('StartNoticeSearchShowResults', array($this, $q, $this->notice))) {
+ if ($this->notice->N === 0) {
+ $this->showEmptyResults($q, $page);
+ } else {
+ $terms = preg_split('/[\s,]+/', $q);
+ $nl = new SearchNoticeList($this->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, $this->notice));
}
- else {
- $cnt = $notice->find();
+ }
+
+ function showEmptyResults($q, $page)
+ {
+ // 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;
+ }
+
+ 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
+ $this->out->elementStart('p', array('class' => 'e-content'));
+ if ($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>', $chunk);
+ }
}
- if ($cnt > 0) {
- $terms = preg_split('/[\s,]+/', $q);
- common_element_start('ul', array('id' => 'notices'));
- for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
- if ($notice->fetch()) {
- $this->show_notice($notice, $terms);
- } else {
- // shouldn't happen!
- break;
- }
- }
- common_element_end('ul');
- } else {
- common_element('p', 'error', _('No results'));
- }
-
- common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
- $page, 'noticesearch', array('q' => $q));
- }
-
- function show_header($arr) {
- if ($arr) {
- $q = $arr[0];
- }
- if ($q) {
- common_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
- common_element_start('li', array('class' => 'notice_single',
- 'id' => 'notice-' . $notice->id));
- $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
- common_element_start('a', array('href' => $profile->profileurl));
- common_element('img', array('src' => ($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));
- common_element_end('a');
- common_element('a', array('href' => $profile->profileurl,
- 'class' => 'nickname'),
- $profile->nickname);
- # FIXME: URL, image, video, audio
- common_element_start('p', array('class' => 'content'));
- if ($notice->rendered) {
- common_raw($this->highlight($notice->rendered, $terms));
- } else {
- # XXX: may be some uncooked notices in the DB,
- # we cook them right now. This should probably disappear in future
- # versions (>> 0.4.x)
- common_raw($this->highlight(common_render_content($notice->content, $notice), $terms));
- }
- common_element_end('p');
- $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
- common_element_start('p', 'time');
- common_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));
- common_text(' (');
- common_element('a', array('class' => 'inreplyto',
- 'href' => $replyurl),
- _('in reply to...'));
- common_text(')');
- }
- common_element_start('a',
- array('href' => common_local_url('newnotice',
- array('replyto' => $profile->nickname)),
- 'onclick' => 'doreply("'.$profile->nickname.'"); return false',
- 'title' => _('reply'),
- 'class' => 'replybutton'));
- common_hidden('posttoken', common_session_token());
-
- common_raw('→');
- common_element_end('a');
- common_element_end('p');
- common_element_end('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;
- }
+
+ return $result;
+ }
}