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 $this->notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
89 NOTICES_PER_PAGE + 1);
92 // TRANS: Server error displayed when a public timeline cannot be retrieved.
93 $this->serverError(_('Could not retrieve public stream.'));
97 if($this->page > 1 && $this->notice->N == 0){
98 // TRANS: Server error when page not found (404).
99 $this->serverError(_('No such page.'),$code=404);
108 * Show the public stream, using recipe method showPage()
110 * @param array $args arguments, mostly unused
114 function handle($args)
116 parent::handle($args);
124 * @return page title, including page number if over 1
128 if ($this->page > 1) {
129 // TRANS: Title for all public timeline pages but the first.
130 // TRANS: %d is the page number.
131 return sprintf(_('Public timeline, page %d'), $this->page);
133 // TRANS: Title for the first public timeline page.
134 return _('Public timeline');
141 $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
142 'content' => common_local_url('publicxrds')));
144 $rsd = common_local_url('rsd');
146 // RSD, http://tales.phrasewise.com/rfc/rsd
148 $this->element('link', array('rel' => 'EditURI',
149 'type' => 'application/rsd+xml',
154 * Output <head> elements for RSS and Atom feeds
160 return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
161 // TRANS: Link description for public timeline feed.
162 _('Public Stream Feed (RSS 1.0)')),
164 common_local_url('ApiTimelinePublic',
165 array('format' => 'rss')),
166 // TRANS: Link description for public timeline feed.
167 _('Public Stream Feed (RSS 2.0)')),
169 common_local_url('ApiTimelinePublic',
170 array('format' => 'atom')),
171 // TRANS: Link description for public timeline feed.
172 _('Public Stream Feed (Atom)')));
175 function showEmptyList()
177 // TRANS: Text displayed for public feed when there are no public notices.
178 $message = _('This is the public timeline for %%site.name%% but no one has posted anything yet.') . ' ';
180 if (common_logged_in()) {
181 // TRANS: Additional text displayed for public feed when there are no public notices for a logged in user.
182 $message .= _('Be the first to post!');
185 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
186 // TRANS: Additional text displayed for public feed when there are no public notices for a not logged in user.
187 $message .= _('Why not [register an account](%%action.register%%) and be the first to post!');
191 $this->elementStart('div', 'guide');
192 $this->raw(common_markup_to_html($message));
193 $this->elementEnd('div');
197 * Fill the content area
199 * Shows a list of the notices in the public stream, with some pagination
204 function showContent()
206 $nl = new ThreadedNoticeList($this->notice, $this);
211 $this->showEmptyList();
214 $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
215 $this->page, 'public');
218 function showSections()
220 // $top = new TopPostersSection($this);
222 $pop = new PopularNoticeSection($this);
224 $gbp = new GroupsByMembersSection($this);
226 $feat = new FeaturedUsersSection($this);
230 function showAnonymousMessage()
232 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
233 // TRANS: Message for not logged in users at an invite-only site trying to view the public feed of notices.
234 // TRANS: This message contains Markdown links. Please mind the formatting.
235 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
236 'based on the Free Software [StatusNet](http://status.net/) tool. ' .
237 '[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ' .
238 '([Read more](%%doc.help%%))');
240 // TRANS: Message for not logged in users at a closed site trying to view the public feed of notices.
241 // TRANS: This message contains Markdown links. Please mind the formatting.
242 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
243 'based on the Free Software [StatusNet](http://status.net/) tool.');
245 $this->elementStart('div', array('id' => 'anon_notice'));
246 $this->raw(common_markup_to_html($m));
247 $this->elementEnd('div');