first pass at a notice search
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Evan Prodromou
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actions/noticesearch.php
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175
actions/noticesearch.php
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<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) { exit(1); }
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define(NOTICES_PER_PAGE, 20);
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# XXX common parent for people and content search?
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class NoticesearchAction extends Action {
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function handle($args) {
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parent::handle($args);
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$this->show_form();
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}
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function get_instructions() {
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return _t('Search for notices on %%site.name%% by their contents. ' .
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'Separate search terms by spaces; they must be 3 characters or more.');
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}
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function show_top($error=NULL) {
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if ($error) {
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common_element('p', 'error', $error);
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} else {
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$instr = $this->get_instructions();
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$output = common_markup_to_html($instr);
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common_element_start('div', 'instructions');
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common_raw($output);
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common_element_end('div');
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}
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}
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function show_form($error=NULL) {
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$q = $this->trimmed('q');
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$page = $this->trimmed('page', 1);
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common_show_header(_t('Find notices'), NULL, $error, array($this, 'show_top'));
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common_element_start('form', array('method' => 'post',
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'id' => 'login',
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'action' => common_local_url('noticesearch')));
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common_element_start('p');
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common_element('input', array('name' => 'q',
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'id' => 'q',
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'type' => 'text',
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'class' => 'input_text',
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'value' => ($q) ? $q : ''));
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common_text(' ');
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common_element('input', array('type' => 'submit',
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'id' => 'search',
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'name' => 'search',
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'class' => 'submit',
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'value' => _t('Search')));
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common_element_end('p');
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common_element_end('form');
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if ($q) {
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$this->show_results($q, $page);
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}
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common_show_footer();
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}
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function show_results($q, $page) {
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$notice = new Notice();
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# lcase it for comparison
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$q = strtolower($q);
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$notice->whereAdd('MATCH(content) against (\''.addslashes($q).'\')');
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# Ask for an extra to see if there's more.
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$notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
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$cnt = $notice->find();
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if ($cnt > 0) {
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$terms = preg_split('/[\s,]+/', $q);
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common_element_start('ul', array('id' => 'notice'));
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for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
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if ($notice->fetch()) {
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$this->show_notice($notice, $terms);
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} else {
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// shouldn't happen!
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break;
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}
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}
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common_element_end('ul');
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} else {
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common_element('p', 'error', _t('No results'));
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}
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common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
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$page, 'noticesearch', array('q' => $q));
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}
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# XXX: refactor and combine with StreamAction::show_notice()
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function show_notice($notice, $terms) {
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$profile = $notice->getProfile();
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# XXX: RDFa
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common_element_start('li', array('class' => 'notice_single',
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'id' => 'notice-' . $notice->id));
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$avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
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common_element_start('a', array('href' => $profile->profileurl));
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common_element('img', array('src' => ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE),
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'class' => 'avatar stream',
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'width' => AVATAR_STREAM_SIZE,
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'height' => AVATAR_STREAM_SIZE,
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'alt' =>
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($profile->fullname) ? $profile->fullname :
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$profile->nickname));
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common_element_end('a');
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common_element('a', array('href' => $profile->profileurl,
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'class' => 'nickname'),
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$profile->nickname);
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# FIXME: URL, image, video, audio
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common_element_start('p', array('class' => 'content'));
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if ($notice->rendered) {
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common_raw($this->highlight($notice->rendered));
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} else {
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# XXX: may be some uncooked notices in the DB,
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# we cook them right now. This should probably disappear in future
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# versions (>> 0.4.x)
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common_raw($this->highlight(common_render_content($notice->content, $notice)));
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}
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common_element_end('p');
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$noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
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common_element_start('p', 'time');
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common_element('a', array('class' => 'permalink',
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'href' => $noticeurl,
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'title' => common_exact_date($notice->created)),
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common_date_string($notice->created));
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if ($notice->reply_to) {
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$replyurl = common_local_url('shownotice', array('notice' => $notice->reply_to));
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common_text(' (');
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common_element('a', array('class' => 'inreplyto',
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'href' => $replyurl),
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_t('in reply to...'));
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common_text(')');
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}
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common_element_start('a',
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array('href' => common_local_url('newnotice',
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array('replyto' => $profile->nickname)),
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'onclick' => 'doreply("'.$profile->nickname.'"); return false',
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'title' => _t('reply'),
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'class' => 'replybutton'));
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common_raw('→');
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common_element_end('a');
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common_element_end('p');
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common_element_end('li');
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}
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function highlight($text, $terms) {
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$pattern = '/('.implode('|',array_map('htmlspecialchars', $terms)).')/i';
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$result = preg_replace($pattern, '<strong>\\1</strong>', $text);
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return $result;
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}
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}
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