3 * StatusNet, the distributed open-source microblogging tool
5 * Show the latest notices for a given tag
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 Zach Copley <zach@status.net>
25 * @copyright 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')) {
34 require_once INSTALLDIR.'/lib/api.php';
37 * Returns the 20 most recent notices tagged by a given tag
41 * @author Zach Copley <zach@status.net>
42 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
43 * @link http://status.net/
46 class ApiTimelineTagAction extends ApiAction
52 * Take arguments for running
54 * @param array $args $_REQUEST args
56 * @return boolean success flag
60 function prepare($args)
62 parent::prepare($args);
64 $this->tag = $this->arg('tag');
65 $this->notices = $this->getNotices();
73 * Just show the notices
75 * @param array $args $_REQUEST data (unused)
80 function handle($args)
82 parent::handle($args);
83 $this->showTimeline();
87 * Show the timeline of notices
92 function showTimeline()
94 $sitename = common_config('site', 'name');
95 $title = sprintf(_("Notices tagged with %s"), $this->tag);
96 $link = common_local_url(
98 array('tag' => $this->tag)
101 _('Updates tagged with %1$s on %2$s!'),
105 $taguribase = common_config('integration', 'taguri');
106 $id = "tag:$taguribase:TagTimeline:".$tag;
108 switch($this->format) {
110 $this->show_xml_timeline($this->notices);
113 $this->show_rss_timeline($this->notices, $title, $link, $subtitle);
116 $selfuri = common_root_url() .
117 'api/statusnet/tags/timeline/' .
118 $this->tag . '.atom';
119 $this->show_atom_timeline(
130 $this->show_json_timeline($this->notices);
133 $this->clientError(_('API method not found!'), $code = 404);
141 * @return array notices
144 function getNotices()
148 $notice = Notice_tag::getStream(
150 ($this->page - 1) * $this->count,
154 while ($notice->fetch()) {
155 $notices[] = clone($notice);
162 * Is this action read only?
164 * @param array $args other arguments
166 * @return boolean true
169 function isReadOnly($args)
175 * When was this feed last modified?
177 * @return string datestamp of the latest notice in the stream
180 function lastModified()
182 if (!empty($this->notices) && (count($this->notices) > 0)) {
183 return strtotime($this->notices[0]->created);
190 * An entity tag for this stream
192 * Returns an Etag based on the action name, language, and
193 * timestamps of the first and last notice in the timeline
195 * @return string etag
200 if (!empty($this->notices) && (count($this->notices) > 0)) {
202 $last = count($this->notices) - 1;
204 return '"' . implode(
206 array($this->arg('action'),
209 strtotime($this->notices[0]->created),
210 strtotime($this->notices[$last]->created))