3 * StatusNet, 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@status.net>
25 * @copyright 2008-2009 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('STATUSNET') && !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@status.net>
48 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
49 * @link http://status.net/
51 * @see PublicrssAction
52 * @see PublicxrdsAction
55 class PublicAction extends Action
58 * page of the stream we're on; default = 1
64 function isReadOnly($args)
70 * Read and validate arguments
72 * @param array $args URL parameters
74 * @return boolean success value
77 function prepare($args)
79 parent::prepare($args);
80 $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
82 if ($this->page > MAX_PUBLIC_PAGE) {
83 $this->clientError(sprintf(_("Beyond the page limit (%s)"), MAX_PUBLIC_PAGE));
86 common_set_returnto($this->selfUrl());
88 $this->notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
89 NOTICES_PER_PAGE + 1);
92 $this->serverError(_('Could not retrieve public stream.'));
96 if($this->page > 1 && $this->notice->N == 0){
97 $this->serverError(_('No such page'),$code=404);
106 * Show the public stream, using recipe method showPage()
108 * @param array $args arguments, mostly unused
113 function handle($args)
115 parent::handle($args);
117 header('X-XRDS-Location: '. common_local_url('publicxrds'));
125 * @return page title, including page number if over 1
130 if ($this->page > 1) {
131 return sprintf(_('Public timeline, page %d'), $this->page);
133 return _('Public timeline');
138 * Output <head> elements for RSS and Atom feeds
145 return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
146 _('Public Stream Feed (RSS 1.0)')),
148 common_local_url('api',
149 array('apiaction' => 'statuses',
150 'method' => 'public_timeline.rss')),
151 _('Public Stream Feed (RSS 2.0)')),
153 common_local_url('api',
154 array('apiaction' => 'statuses',
155 'method' => 'public_timeline.atom')),
156 _('Public Stream Feed (Atom)')));
160 * Extra head elements
162 * We include a <meta> element linking to the publicxrds page, for OpenID
163 * client-side authentication.
170 // for client side of OpenID authentication
171 $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
172 'content' => common_local_url('publicxrds')));
176 * Show tabset for this page
178 * Uses the PublicGroupNav widget
181 * @see PublicGroupNav
184 function showLocalNav()
186 $nav = new PublicGroupNav($this);
190 function showEmptyList()
192 $message = _('This is the public timeline for %%site.name%% but no one has posted anything yet.') . ' ';
194 if (common_logged_in()) {
195 $message .= _('Be the first to post!');
198 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
199 $message .= sprintf(_('Why not [register an account](%%%%action.%s%%%%) and be the first to post!'),
200 (!common_config('site','openidonly')) ? 'register' : 'openidlogin');
204 $this->elementStart('div', 'guide');
205 $this->raw(common_markup_to_html($message));
206 $this->elementEnd('div');
210 * Fill the content area
212 * Shows a list of the notices in the public stream, with some pagination
218 function showContent()
220 $nl = new NoticeList($this->notice, $this);
225 $this->showEmptyList();
228 $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
229 $this->page, 'public');
232 function showSections()
234 // $top = new TopPostersSection($this);
236 $pop = new PopularNoticeSection($this);
238 $gbp = new GroupsByMembersSection($this);
240 $feat = new FeaturedUsersSection($this);
244 function showAnonymousMessage()
246 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
247 $m = sprintf(_('This is %%%%site.name%%%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
248 'based on the Free Software [StatusNet](http://status.net/) tool. ' .
249 '[Join now](%%%%action.%s%%%%) to share notices about yourself with friends, family, and colleagues! ' .
250 '([Read more](%%%%doc.help%%%%))'),
251 (!common_config('site','openidonly')) ? 'register' : 'openidlogin');
253 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
254 'based on the Free Software [StatusNet](http://status.net/) tool.');
256 $this->elementStart('div', array('id' => 'anon_notice'));
257 $this->raw(common_markup_to_html($m));
258 $this->elementEnd('div');