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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('GNUSOCIAL')) { exit(1); }
- /**
- * 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
- */
- protected function prepare(array $args=array())
- {
- parent::prepare($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
- *
- * @return void
- */
- protected function handle()
- {
- parent::handle();
- 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 nick names must be supplied.'),
- 400
- );
- }
- $result = Subscription::exists($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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