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
54 class PublicAction extends Action
57 * page of the stream we're on; default = 1
63 function isReadOnly($args)
69 * Read and validate arguments
71 * @param array $args URL parameters
73 * @return boolean success value
75 function prepare($args)
77 parent::prepare($args);
78 $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
80 if ($this->page > MAX_PUBLIC_PAGE) {
81 // TRANS: Client error displayed when requesting a public timeline page beyond the page limit.
82 // TRANS: %s is the page limit.
83 $this->clientError(sprintf(_('Beyond the page limit (%s).'), MAX_PUBLIC_PAGE));
86 common_set_returnto($this->selfUrl());
88 $stream = new PublicNoticeStream(PublicNoticeStream::THREADED);
89 $this->notice = $stream->getNotices(($this->page-1)*NOTICES_PER_PAGE,
95 // TRANS: Server error displayed when a public timeline cannot be retrieved.
96 $this->serverError(_('Could not retrieve public stream.'));
100 if($this->page > 1 && $this->notice->N == 0){
101 // TRANS: Server error when page not found (404).
102 $this->serverError(_('No such page.'),$code=404);
111 * Show the public stream, using recipe method showPage()
113 * @param array $args arguments, mostly unused
117 function handle($args)
119 parent::handle($args);
127 * @return page title, including page number if over 1
131 if ($this->page > 1) {
132 // TRANS: Title for all public timeline pages but the first.
133 // TRANS: %d is the page number.
134 return sprintf(_('Public timeline, page %d'), $this->page);
136 // TRANS: Title for the first public timeline page.
137 return _('Public timeline');
144 $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
145 'content' => common_local_url('publicxrds')));
147 $rsd = common_local_url('rsd');
149 // RSD, http://tales.phrasewise.com/rfc/rsd
151 $this->element('link', array('rel' => 'EditURI',
152 'type' => 'application/rsd+xml',
157 * Output <head> elements for RSS and Atom feeds
163 return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
164 // TRANS: Link description for public timeline feed.
165 _('Public Stream Feed (RSS 1.0)')),
167 common_local_url('ApiTimelinePublic',
168 array('format' => 'rss')),
169 // TRANS: Link description for public timeline feed.
170 _('Public Stream Feed (RSS 2.0)')),
172 common_local_url('ApiTimelinePublic',
173 array('format' => 'atom')),
174 // TRANS: Link description for public timeline feed.
175 _('Public Stream Feed (Atom)')));
178 function showEmptyList()
180 // TRANS: Text displayed for public feed when there are no public notices.
181 $message = _('This is the public timeline for %%site.name%% but no one has posted anything yet.') . ' ';
183 if (common_logged_in()) {
184 // TRANS: Additional text displayed for public feed when there are no public notices for a logged in user.
185 $message .= _('Be the first to post!');
188 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
189 // TRANS: Additional text displayed for public feed when there are no public notices for a not logged in user.
190 $message .= _('Why not [register an account](%%action.register%%) and be the first to post!');
194 $this->elementStart('div', 'guide');
195 $this->raw(common_markup_to_html($message));
196 $this->elementEnd('div');
200 * Fill the content area
202 * Shows a list of the notices in the public stream, with some pagination
207 function showContent()
209 $nl = new ThreadedNoticeList($this->notice, $this);
214 $this->showEmptyList();
217 $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
218 $this->page, 'public');
221 function showSections()
223 // $top = new TopPostersSection($this);
225 $pop = new PopularNoticeSection($this);
227 $gbp = new GroupsByMembersSection($this);
229 $feat = new FeaturedUsersSection($this);
233 function showAnonymousMessage()
235 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
236 // TRANS: Message for not logged in users at an invite-only site trying to view the public feed of notices.
237 // TRANS: This message contains Markdown links. Please mind the formatting.
238 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
239 'based on the Free Software [StatusNet](http://status.net/) tool. ' .
240 '[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ' .
241 '([Read more](%%doc.help%%))');
243 // TRANS: Message for not logged in users at a closed site trying to view the public feed of notices.
244 // TRANS: This message contains Markdown links. Please mind the formatting.
245 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
246 'based on the Free Software [StatusNet](http://status.net/) tool.');
248 $this->elementStart('div', array('id' => 'anon_notice'));
249 $this->raw(common_markup_to_html($m));
250 $this->elementEnd('div');