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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Unsubscribe to a user via API
*
* 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 Dan Moore <dan@moore.cx>
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @copyright 2009-2010 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/apiauth.php';
/**
* Allows the authenticating users to unfollow (unsubscribe) the user specified in
* the ID parameter. Returns the unfollowed user in the requested format when
* successful. Returns a string describing the failure condition when unsuccessful.
*
* @category API
* @package StatusNet
* @author Dan Moore <dan@moore.cx>
* @author Evan Prodromou <evan@status.net>
* @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 ApiFriendshipsDestroyAction extends ApiAuthAction
{
var $other = null;
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*
*/
function prepare($args)
{
parent::prepare($args);
$this->user = $this->auth_user;
$this->other = $this->getTargetProfile($this->arg('id'));
return true;
}
/**
* Handle the request
*
* Check the format and show the user info
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
$this->clientError(
// TRANS: Client error. POST is a HTTP command. It should not be translated.
_('This method requires a POST.'),
400,
$this->format
);
return;
}
if (!in_array($this->format, array('xml', 'json'))) {
$this->clientError(
// TRANS: Client error displayed when trying to handle an unknown API method.
_('API method not found.'),
404,
$this->format
);
return;
}
if (empty($this->other)) {
$this->clientError(
// TRANS: Client error displayed when trying to unfollow a user that cannot be found.
_('Could not unfollow user: User not found.'),
403,
$this->format
);
return;
}
// Don't allow unsubscribing from yourself!
if ($this->user->id == $this->other->id) {
$this->clientError(
// TRANS: Client error displayed when trying to unfollow self.
_("You cannot unfollow yourself."),
403,
$this->format
);
return;
}
// throws an exception on error
Subscription::cancel($this->user->getProfile(), $this->other);
$this->initDocument($this->format);
$this->showProfile($this->other, $this->format);
$this->endDocument($this->format);
}
}
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