3 * Laconica, the distributed open-source microblogging tool
5 * Action for displaying the public stream
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@controlyourself.ca>
25 * @copyright 2008-2009 Control Yourself, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://laconi.ca/
30 if (!defined('LACONICA')) {
34 require_once INSTALLDIR.'/lib/publicgroupnav.php';
37 * Action for displaying the public stream
41 * @author Evan Prodromou <evan@controlyourself.ca>
42 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
43 * @link http://laconi.ca/
45 * @see PublicrssAction
46 * @see PublicxrdsAction
49 class PublicAction extends Action
52 * page of the stream we're on; default = 1
58 * Read and validate arguments
60 * @param array $args URL parameters
62 * @return boolean success value
65 function prepare($args)
67 parent::prepare($args);
68 $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
75 * Show the public stream, using recipe method showPage()
77 * @param array $args arguments, mostly unused
82 function handle($args)
84 parent::handle($args);
86 header('X-XRDS-Location: '. common_local_url('publicxrds'));
94 * @return page title, including page number if over 1
99 if ($this->page > 1) {
100 return sprintf(_('Public timeline, page %d'), $this->page);
102 return _('Public timeline');
107 * Output <head> elements for RSS and Atom feeds
114 $this->element('link', array('rel' => 'alternate',
115 'href' => common_local_url('publicrss'),
116 'type' => 'application/rss+xml',
117 'title' => _('Public Stream Feed')));
121 * Extra head elements
123 * We include a <meta> element linking to the publicxrds page, for OpenID
124 * client-side authentication.
131 // for client side of OpenID authentication
132 $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
133 'content' => common_local_url('publicxrds')));
137 * Show tabset for this page
139 * Uses the PublicGroupNav widget
142 * @see PublicGroupNav
145 function showLocalNav()
147 $nav = new PublicGroupNav($this);
152 * Fill the content area
154 * Shows a list of the notices in the public stream, with some pagination
160 function showContent()
162 $notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
163 NOTICES_PER_PAGE + 1);
166 $this->server_error(_('Could not retrieve public stream.'));
170 $nl = new NoticeList($notice);
174 $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
175 $this->page, 'public');
179 * Makes a list of exported feeds for this page
186 function showExportData()
188 $fl = new FeedList($this);
189 $fl->show(array(0 => array('href' => common_local_url('publicrss'),
191 'version' => 'RSS 1.0',
192 'item' => 'publicrss'),
193 1 => array('href' => common_local_url('publicatom'),
195 'version' => 'Atom 1.0',
196 'item' => 'publicatom')));