gnu-social/actions/cancelsubscription.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Cancel the subscription of a profile
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*
* 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 Group
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2008-2009 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('GNUSOCIAL')) { exit(1); }
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/**
* Cancel the subscription of a profile
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*
* @category Subscription
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* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Mikael Nordfeldth <mmn@hethane.se>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class CancelsubscriptionAction extends FormAction
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{
protected $needPost = true;
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protected function doPreparation()
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{
$profile_id = $this->int('unsubscribeto');
$this->target = Profile::getKV('id', $profile_id);
if (!$this->target instanceof Profile) {
throw new NoProfileException($profile_id);
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}
}
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protected function doPost()
{
try {
$request = Subscription_queue::pkeyGet(array('subscriber' => $this->scoped->id,
'subscribed' => $this->target->id));
if ($request instanceof Subscription_queue) {
$request->abort();
}
} catch (AlreadyFulfilledException $e) {
common_debug('Tried to cancel a non-existing pending subscription');
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}
if (GNUsocial::isAjax()) {
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$this->startHTML('text/xml;charset=utf-8');
$this->elementStart('head');
// TRANS: Title after unsubscribing from a group.
$this->element('title', null, _m('TITLE','Unsubscribed'));
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$this->elementEnd('head');
$this->elementStart('body');
$subscribe = new SubscribeForm($this, $this->target);
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$subscribe->show();
$this->elementEnd('body');
$this->endHTML();
exit();
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}
common_redirect(common_local_url('subscriptions', array('nickname' => $this->scoped->getNickname())), 303);
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}
}