3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('LACONICA')) { exit(1); }
22 define('DEFAULT_RSS_LIMIT', 48);
24 # This will contain the details of each feed item's author and be used to generate SIOC data.
27 class Rss10Action extends Action {
29 function handle($args) {
30 parent::handle($args);
31 $limit = (int) $this->trimmed('limit');
33 $limit = DEFAULT_RSS_LIMIT;
35 $this->show_rss($limit);
42 function get_notices() {
46 function get_channel() {
47 return array('url' => '',
53 function get_image() {
57 function show_rss($limit=0) {
63 $notices = $this->get_notices($limit);
66 $this->show_channel($notices);
69 foreach ($notices as $n) {
73 $this->show_creators();
77 function show_channel($notices) {
80 $channel = $this->get_channel();
81 $image = $this->get_image();
83 common_element_start('channel', array('rdf:about' => $channel['url']));
84 common_element('title', NULL, $channel['title']);
85 common_element('link', NULL, $channel['link']);
86 common_element('description', NULL, $channel['description']);
87 common_element('cc:licence', array('rdf:resource' => $config['license']['url']));
90 common_element('image', array('rdf:resource' => $image));
93 common_element_start('items');
94 common_element_start('rdf:Seq');
96 foreach ($notices as $notice) {
97 common_element('sioct:MicroblogPost', array('rdf:resource' => $notice->uri));
100 common_element_end('rdf:Seq');
101 common_element_end('items');
103 common_element_end('channel');
106 function show_image() {
107 $image = $this->get_image();
109 $channel = $this->get_channel();
110 common_element_start('image', array('rdf:about' => $image));
111 common_element('title', NULL, $channel['title']);
112 common_element('link', NULL, $channel['link']);
113 common_element('url', NULL, $image);
114 common_element_end('image');
118 function show_item($notice) {
119 global $config, $creators;
120 $profile = Profile::staticGet($notice->profile_id);
121 $nurl = common_local_url('shownotice', array('notice' => $notice->id));
122 common_element_start('item', array('rdf:about' => $notice->uri));
123 $title = $profile->nickname . ': ' . $notice->content;
124 common_element('title', NULL, $title);
125 common_element('link', NULL, $nurl);
126 common_element('description', NULL, $profile->nickname."'s status on ".common_exact_date($notice->created));
127 common_element('dc:date', NULL, common_date_w3dtf($notice->created));
128 common_element('dc:creator', NULL, ($profile->fullname) ? $profile->fullname : $profile->nickname);
129 common_element('sioc:has_creator', array('rdf:resource' =>
130 common_local_url('userbyid', array('id' => $profile->id))
132 common_element('cc:licence', array('rdf:resource' => $config['license']['url']));
133 common_element_end('item');
134 $creators[$nurl] = $profile;
137 function show_creators() {
140 foreach ($creators as $nurl => $profile) {
142 $nickname = $profile->nickname;
144 common_element_start('sioc:User', array('rdf:about' =>
145 common_local_url('userbyid', array('id' => $id))
147 common_element('foaf:nick', NULL, $nickname);
148 if ($profile->fullname) {
149 common_element('foaf:name', NULL, $profile->fullname);
151 common_element('sioc:id', NULL, $id);
152 common_element('sioc:avatar', array('rdf:resource' =>
153 common_local_url('avatarbynickname',
154 array('nickname' => $nickname,
158 common_element_end('sioc:User');
162 function init_rss() {
164 $channel = $this->get_channel();
166 header('Content-Type: application/rdf+xml');
169 common_element_start('rdf:RDF', array('xmlns:rdf' =>
170 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
172 'http://purl.org/dc/elements/1.1/',
174 'http://web.resource.org/cc/',
176 'http://xmlns.com/foaf/0.1/',
178 'http://rdfs.org/sioc/ns#',
180 'http://rdfs.org/sioc/types#',
181 'xmlns' => 'http://purl.org/rss/1.0/'));
183 common_element_start('sioc:Site', array('rdf:about' =>
184 'http://identi.ca/'));
185 common_element('sioc:name', NULL, $config['site']['name']);
186 common_element_start('sioc:container_of');
187 common_element('sioc:Container', array('rdf:about' =>
189 common_element_end('sioc:container_of');
190 common_element_end('sioc:Site');
194 common_element_end('rdf:RDF');