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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Show whether there is a friendship between two users
*
* 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/apiprivateauth.php';
/**
* Tests for the existence of friendship between two users. Will return true if
* user_a follows user_b, otherwise will return false.
*
* @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 ApiFriendshipsExistsAction extends ApiPrivateAuthAction
{
var $profile_a = null;
var $profile_b = null;
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
$this->profile_a = $this->getTargetProfile($this->trimmed('user_a'));
$this->profile_b = $this->getTargetProfile($this->trimmed('user_b'));
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($args);
if (empty($this->profile_a) || empty($this->profile_b)) {
$this->clientError(
// TRANS: Client error displayed when supplying invalid parameters to an API call checking if a friendship exists.
_('Two valid IDs or screen_names must be supplied.'),
400,
$this->format
);
return;
}
$result = Subscription::exists($this->profile_a, $this->profile_b);
switch ($this->format) {
case 'xml':
$this->initDocument('xml');
$this->element('friends', null, $result);
$this->endDocument('xml');
break;
case 'json':
$this->initDocument('json');
print json_encode($result);
$this->endDocument('json');
break;
default:
break;
}
}
/**
* Return true if read only.
*
* MAY override
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
return true;
}
}
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