3 * Laconica, the distributed open-source microblogging tool
5 * Show notice attachments
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.'/actions/attachment.php';
37 * Show notice attachments
41 * @author Evan Prodromou <evan@controlyourself.ca>
42 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
43 * @link http://laconi.ca/
46 class Attachment_ajaxAction extends AttachmentAction
49 * Load attributes based on database arguments
51 * Loads all the DB stuff
53 * @param array $args $_REQUEST array
55 * @return success flag
58 function prepare($args)
60 parent::prepare($args);
61 if (!$this->attachment) {
62 $this->clientError(_('No such attachment.'), 404);
69 * Show page, a template method.
75 if (Event::handle('StartShowBody', array($this))) {
77 Event::handle('EndShowBody', array($this));
84 * Shows local navigation, content block and aside.
90 $this->elementStart('div', array('id' => 'core'));
91 if (Event::handle('StartShowContentBlock', array($this))) {
92 $this->showContentBlock();
93 Event::handle('EndShowContentBlock', array($this));
95 $this->elementEnd('div');
101 * Last-modified date for page
103 * When was the content of this page last modified? Based on notice,
106 * @return int last-modified date as unix timestamp
109 function lastModified()
111 return max(strtotime($this->notice->created),
112 strtotime($this->profile->modified),
113 ($this->avatar) ? strtotime($this->avatar->modified) : 0);
118 * An entity tag for this page
120 * Shows the ETag for the page, based on the notice ID and timestamps
121 * for the notice, profile, and avatar. It's weak, since we change
122 * the date text "one hour ago", etc.
124 * @return string etag
129 $avtime = ($this->avatar) ?
130 strtotime($this->avatar->modified) : 0;
132 return 'W/"' . implode(':', array($this->arg('action'),
135 strtotime($this->notice->created),
136 strtotime($this->profile->modified),