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+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Show a notice (as a Twitter-style status)
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category API
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @copyright 2009 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+ exit(1);
+}
+
+require_once INSTALLDIR.'/lib/api.php';
+
+/**
+ * Returns the notice specified by id as a Twitter-style status and inline user
+ *
+ * @category API
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+class ApiStatusesShowAction extends ApiAction
+{
+
+ var $notice_id = null;
+ var $notice = null;
+
+ /**
+ * Take arguments for running
+ *
+ * @param array $args $_REQUEST args
+ *
+ * @return boolean success flag
+ *
+ */
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+
+ // 'id' is an undocumented parameter in Twitter's API. Several
+ // clients make use of it, so we support it too.
+
+ // show.json?id=12345 takes precedence over /show/12345.json
+
+ $this->notice_id = (int)$this->trimmed('id');
+
+ if (empty($notice_id)) {
+ $this->notice_id = (int)$this->arg('id');
+ }
+
+ $this->notice = Notice::staticGet((int)$this->notice_id);
+
+ return true;
+ }
+
+ /**
+ * Handle the request
+ *
+ * Check the format and show the notice
+ *
+ * @param array $args $_REQUEST data (unused)
+ *
+ * @return void
+ */
+
+ function handle($args)
+ {
+ parent::handle($args);
+
+ if (!in_array($this->format, array('xml', 'json'))) {
+ $this->clientError(_('API method not found!'), $code = 404);
+ return;
+ }
+
+ $this->showNotice();
+ }
+
+ /**
+ * Show the notice
+ *
+ * @return void
+ */
+
+ function showNotice()
+ {
+ if (!empty($this->notice)) {
+ if ($this->format == 'xml') {
+ $this->showSingleXmlStatus($this->notice);
+ } elseif ($this->format == 'json') {
+ $this->show_single_json_status($this->notice);
+ }
+ } else {
+
+ // XXX: Twitter just sets a 404 header and doens't bother
+ // to return an err msg
+
+ $deleted = Deleted_notice::staticGet($this->notice_id);
+
+ if (!empty($deleted)) {
+ $this->clientError(
+ _('Status deleted.'),
+ 410,
+ $this->format
+ );
+ } else {
+ $this->clientError(
+ _('No status with that ID found.'),
+ 404,
+ $this->format
+ );
+ }
+ }
+ }
+
+ /**
+ * Is this action read only?
+ *
+ * @param array $args other arguments
+ *
+ * @return boolean true
+ */
+
+ function isReadOnly($args)
+ {
+ return true;
+ }
+
+ /**
+ * When was this notice last modified?
+ *
+ * @return string datestamp of the latest notice in the stream
+ */
+
+ function lastModified()
+ {
+ if (!empty($this->notice)) {
+ return strtotime($this->notice->created);
+ }
+
+ return null;
+ }
+
+ /**
+ * An entity tag for this notice
+ *
+ * Returns an Etag based on the action name, language, and
+ * timestamps of the notice
+ *
+ * @return string etag
+ */
+
+ function etag()
+ {
+ if (!empty($this->notice)) {
+
+ return '"' . implode(
+ ':',
+ array($this->arg('action'),
+ common_language(),
+ $this->notice->id,
+ strtotime($this->notice->created))
+ )
+ . '"';
+ }
+
+ return null;
+ }
+
+}