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';
35 require_once INSTALLDIR.'/lib/noticelist.php';
36 require_once INSTALLDIR.'/lib/feedlist.php';
39 * Action for displaying the public stream
43 * @author Evan Prodromou <evan@controlyourself.ca>
44 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
45 * @link http://laconi.ca/
47 * @see PublicrssAction
48 * @see PublicxrdsAction
51 class PublicAction extends Action
54 * page of the stream we're on; default = 1
65 * Read and validate arguments
67 * @param array $args URL parameters
69 * @return boolean success value
72 function prepare($args)
74 parent::prepare($args);
75 $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
77 common_set_returnto($this->selfUrl());
85 * Show the public stream, using recipe method showPage()
87 * @param array $args arguments, mostly unused
92 function handle($args)
94 parent::handle($args);
96 header('X-XRDS-Location: '. common_local_url('publicxrds'));
104 * @return page title, including page number if over 1
109 if ($this->page > 1) {
110 return sprintf(_('Public timeline, page %d'), $this->page);
112 return _('Public timeline');
117 * Output <head> elements for RSS and Atom feeds
124 $this->element('link', array('rel' => 'alternate',
125 'href' => common_local_url('publicrss'),
126 'type' => 'application/rss+xml',
127 'title' => _('Public Stream Feed')));
131 * Output document relationship links
135 function showRelationshipLinks()
137 // Machine-readable pagination
138 if ($this->page > 1) {
139 $this->element('link', array('rel' => 'next',
140 'href' => common_local_url('public',
141 array('page' => $this->page - 1)),
142 'title' => _('Next Notices')));
144 $this->element('link', array('rel' => 'prev',
145 'href' => common_local_url('public',
146 array('page' => $this->page + 1)),
147 'title' => _('Previous Notices')));
151 * Extra head elements
153 * We include a <meta> element linking to the publicxrds page, for OpenID
154 * client-side authentication.
161 // for client side of OpenID authentication
162 $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
163 'content' => common_local_url('publicxrds')));
167 * Show tabset for this page
169 * Uses the PublicGroupNav widget
172 * @see PublicGroupNav
175 function showLocalNav()
177 $nav = new PublicGroupNav($this);
182 * Fill the content area
184 * Shows a list of the notices in the public stream, with some pagination
190 function showContent()
192 $notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
193 NOTICES_PER_PAGE + 1);
196 $this->serverError(_('Could not retrieve public stream.'));
200 $nl = new NoticeList($notice, $this);
204 $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
205 $this->page, 'public');
209 * Makes a list of exported feeds for this page
216 function showExportData()
218 $fl = new FeedList($this);
219 $fl->show(array(0 => array('href' => common_local_url('publicrss'),
221 'version' => 'RSS 1.0',
222 'item' => 'publicrss'),
223 1 => array('href' => common_local_url('publicatom'),
225 'version' => 'Atom 1.0',
226 'item' => 'publicatom')));
229 function showSections()
231 // $top = new TopPostersSection($this);
233 $pop = new PopularNoticeSection($this);
235 $gbp = new GroupsByPostsSection($this);
237 $feat = new FeaturedUsersSection($this);
241 function showAnonymousMessage()
243 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
244 'based on the Free Software [Laconica](http://laconi.ca/) tool. ' .
245 '[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ([Read more](%%doc.help%%))');
246 $this->elementStart('div', array('id' => 'anon_notice'));
247 $this->raw(common_markup_to_html($m));
248 $this->elementEnd('div');