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 class Rss10Action extends Action {
26 # This will contain the details of each feed item's author and be used to generate SIOC data.
27 var $creators = array();
29 function handle($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) {
79 $channel = $this->get_channel();
80 $image = $this->get_image();
82 common_element_start('channel', array('rdf:about' => $channel['url']));
83 common_element('title', NULL, $channel['title']);
84 common_element('link', NULL, $channel['link']);
85 common_element('description', NULL, $channel['description']);
86 common_element('cc:licence', array('rdf:resource' => common_config('license','url')));
89 common_element('image', array('rdf:resource' => $image));
92 common_element_start('items');
93 common_element_start('rdf:Seq');
95 foreach ($notices as $notice) {
96 common_element('sioct:MicroblogPost', array('rdf:resource' => $notice->uri));
99 common_element_end('rdf:Seq');
100 common_element_end('items');
102 common_element_end('channel');
105 function show_image() {
106 $image = $this->get_image();
108 $channel = $this->get_channel();
109 common_element_start('image', array('rdf:about' => $image));
110 common_element('title', NULL, $channel['title']);
111 common_element('link', NULL, $channel['link']);
112 common_element('url', NULL, $image);
113 common_element_end('image');
117 function show_item($notice) {
118 $profile = Profile::staticGet($notice->profile_id);
119 $nurl = common_local_url('shownotice', array('notice' => $notice->id));
120 $creator_uri = common_profile_uri($profile);
121 common_element_start('item', array('rdf:about' => $notice->uri));
122 $title = $profile->nickname . ': ' . $notice->content;
123 common_element('title', NULL, $title);
124 common_element('link', NULL, $nurl);
125 common_element('description', NULL, $profile->nickname."'s status on ".common_exact_date($notice->created));
126 common_element('dc:date', NULL, common_date_w3dtf($notice->created));
127 common_element('dc:creator', NULL, ($profile->fullname) ? $profile->fullname : $profile->nickname);
128 common_element('sioc:has_creator', array('rdf:resource' => $creator_url));
129 common_element('cc:licence', array('rdf:resource' => common_config('license', 'url')));
130 common_element_end('item');
131 $this->creators[$creator_uri] = $profile;
134 function show_creators() {
135 foreach ($this->creators as $uri => $profile) {
137 $nickname = $profile->nickname;
139 common_element_start('sioc:User', array('rdf:about' => $uri));
140 common_element('foaf:nick', NULL, $nickname);
141 if ($profile->fullname) {
142 common_element('foaf:name', NULL, $profile->fullname);
144 common_element('sioc:id', NULL, $id);
145 $avatar = common_profile_avatar_url($profile);
146 common_element('sioc:avatar', array('rdf:resource' => $avatar));
147 common_element_end('sioc:User');
151 function init_rss() {
152 $channel = $this->get_channel();
154 header('Content-Type: application/rdf+xml');
157 common_element_start('rdf:RDF', array('xmlns:rdf' =>
158 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
160 'http://purl.org/dc/elements/1.1/',
162 'http://web.resource.org/cc/',
164 'http://xmlns.com/foaf/0.1/',
166 'http://rdfs.org/sioc/ns#',
168 'http://rdfs.org/sioc/types#',
169 'xmlns' => 'http://purl.org/rss/1.0/'));
171 common_element_start('sioc:Site', array('rdf:about' => common_root_url()));
172 common_element('sioc:name', NULL, common_config('site', 'name'));
173 common_element_start('sioc:container_of');
174 common_element('sioc:Container', array('rdf:about' =>
176 common_element_end('sioc:container_of');
177 common_element_end('sioc:Site');
181 common_element_end('rdf:RDF');