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';
38 // Farther than any human will go
40 define('MAX_PUBLIC_PAGE', 100);
43 * Action for displaying the public stream
47 * @author Evan Prodromou <evan@controlyourself.ca>
48 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
49 * @link http://laconi.ca/
51 * @see PublicrssAction
52 * @see PublicxrdsAction
55 class PublicAction extends Action
58 * page of the stream we're on; default = 1
63 function isReadOnly($args)
69 * Read and validate arguments
71 * @param array $args URL parameters
73 * @return boolean success value
76 function prepare($args)
78 parent::prepare($args);
79 $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
81 if ($this->page > MAX_PUBLIC_PAGE) {
82 $this->clientError(sprintf(_("Beyond the page limit (%s)"), MAX_PUBLIC_PAGE));
85 common_set_returnto($this->selfUrl());
93 * Show the public stream, using recipe method showPage()
95 * @param array $args arguments, mostly unused
100 function handle($args)
102 parent::handle($args);
104 header('X-XRDS-Location: '. common_local_url('publicxrds'));
112 * @return page title, including page number if over 1
117 if ($this->page > 1) {
118 return sprintf(_('Public timeline, page %d'), $this->page);
120 return _('Public timeline');
125 * Output <head> elements for RSS and Atom feeds
132 return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
133 _('Public Stream Feed (RSS 1.0)')),
135 common_local_url('api',
136 array('apiaction' => 'statuses',
137 'method' => 'public_timeline.rss')),
138 _('Public Stream Feed (RSS 2.0)')),
140 common_local_url('api',
141 array('apiaction' => 'statuses',
142 'method' => 'public_timeline.atom')),
143 _('Public Stream Feed (Atom)')));
147 * Extra head elements
149 * We include a <meta> element linking to the publicxrds page, for OpenID
150 * client-side authentication.
157 // for client side of OpenID authentication
158 $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
159 'content' => common_local_url('publicxrds')));
163 * Show tabset for this page
165 * Uses the PublicGroupNav widget
168 * @see PublicGroupNav
171 function showLocalNav()
173 $nav = new PublicGroupNav($this);
177 function showEmptyList()
179 $message = _('This is the public timeline for %%site.name%% but no one has posted anything yet.') . ' ';
181 if (common_logged_in()) {
182 $message .= _('Be the first to post!');
185 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
186 $message .= _('Why not [register an account](%%action.register%%) and be the first to post!');
190 $this->elementStart('div', 'guide');
191 $this->raw(common_markup_to_html($message));
192 $this->elementEnd('div');
196 * Fill the content area
198 * Shows a list of the notices in the public stream, with some pagination
204 function showContent()
206 $notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
207 NOTICES_PER_PAGE + 1);
210 $this->serverError(_('Could not retrieve public stream.'));
214 $nl = new NoticeList($notice, $this);
219 $this->showEmptyList();
222 $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
223 $this->page, 'public');
226 function showSections()
228 // $top = new TopPostersSection($this);
230 $pop = new PopularNoticeSection($this);
232 $gbp = new GroupsByMembersSection($this);
234 $feat = new FeaturedUsersSection($this);
238 function showAnonymousMessage()
240 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
241 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
242 'based on the Free Software [Laconica](http://laconi.ca/) tool. ' .
243 '[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ([Read more](%%doc.help%%))');
245 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
246 'based on the Free Software [Laconica](http://laconi.ca/) tool.');
248 $this->elementStart('div', array('id' => 'anon_notice'));
249 $this->raw(common_markup_to_html($m));
250 $this->elementEnd('div');