first pass at a notice search

darcs-hash:20080709230017-84dde-28e4d9d9dcc4dfe2c9f9e08e3123fe4e0bd5a8c0.gz

diff --git a/actions/noticesearch.php b/actions/noticesearch.php
new file mode 100644 (file)
index 0000000..7f645db
--- /dev/null
+++ b/actions/noticesearch.php
@@ -0,0 +1,175 @@
+<?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); }
+
+define(NOTICES_PER_PAGE, 20);
+
+# XXX common parent for people and content search?
+
+class NoticesearchAction extends Action {
+       
+       function handle($args) {
+               parent::handle($args);
+               $this->show_form();
+       }
+
+       function get_instructions() {
+               return _t('Search for notices on %%site.name%% by their contents. ' . 
+                                 'Separate search terms by spaces; they must be 3 characters or more.');
+       }
+       
+       function show_top($error=NULL) {
+               if ($error) {
+                       common_element('p', 'error', $error);
+               } else {
+                       $instr = $this->get_instructions();
+                       $output = common_markup_to_html($instr);
+                       common_element_start('div', 'instructions');
+                       common_raw($output);
+                       common_element_end('div');
+               }
+       }
+       
+       function show_form($error=NULL) {
+               $q = $this->trimmed('q');
+               $page = $this->trimmed('page', 1);
+               
+               common_show_header(_t('Find notices'), NULL, $error, array($this, 'show_top'));
+               common_element_start('form', array('method' => 'post',
+                                                                                  'id' => 'login',
+                                                                                  'action' => common_local_url('noticesearch')));
+               common_element_start('p');
+               common_element('input', array('name' => 'q',
+                                                                         'id' => 'q',
+                                                                         'type' => 'text',
+                                                                         'class' => 'input_text',
+                                                                         'value' => ($q) ? $q : ''));
+               common_text(' ');
+               common_element('input', array('type' => 'submit',
+                                                                         'id' => 'search',
+                                                                         'name' => 'search',
+                                                                         'class' => 'submit',
+                                                                         'value' => _t('Search')));
+                                          
+               common_element_end('p');
+               common_element_end('form');
+               if ($q) {
+                       $this->show_results($q, $page);
+               }
+               common_show_footer();
+       }
+       
+       function show_results($q, $page) {
+               
+               $notice = new Notice();
+
+               # lcase it for comparison
+               $q = strtolower($q);
+               $notice->whereAdd('MATCH(content) against (\''.addslashes($q).'\')');
+
+               # Ask for an extra to see if there's more.
+               
+               $notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
+
+               $cnt = $notice->find();
+
+               if ($cnt > 0) {
+                       $terms = preg_split('/[\s,]+/', $q);
+                       common_element_start('ul', array('id' => 'notice'));
+                       for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
+                               if ($notice->fetch()) {
+                                       $this->show_notice($notice, $terms);
+                               } else {
+                                       // shouldn't happen!
+                                       break;
+                               }
+                       }
+                       common_element_end('ul');
+               } else {
+                       common_element('p', 'error', _t('No results'));
+               }
+               
+               common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
+                                                 $page, 'noticesearch', array('q' => $q));
+       }
+
+       # XXX: refactor and combine with StreamAction::show_notice()
+       
+       function show_notice($notice, $terms) {
+               $profile = $notice->getProfile();
+               # 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));
+               } 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)));
+               }
+               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),
+                                                  _t('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' => _t('reply'),
+                                                                  'class' => 'replybutton'));
+               common_raw('&rarr;');
+               common_element_end('a');
+               common_element_end('p');
+               common_element_end('li');
+       }
+
+       function highlight($text, $terms) {
+               $pattern = '/('.implode('|',array_map('htmlspecialchars', $terms)).')/i';
+               $result = preg_replace($pattern, '<strong>\\1</strong>', $text);
+               return $result;
+       }
+}