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[quix0rs-gnu-social.git] / actions / cancelsubscription.php
1 <?php
2 /**
3  * StatusNet, the distributed open-source microblogging tool
4  *
5  * Cancel the subscription of a profile
6  *
7  * PHP version 5
8  *
9  * LICENCE: This program is free software: you can redistribute it and/or modify
10  * it under the terms of the GNU Affero General Public License as published by
11  * the Free Software Foundation, either version 3 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU Affero General Public License for more details.
18  *
19  * You should have received a copy of the GNU Affero General Public License
20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
21  *
22  * @category  Group
23  * @package   StatusNet
24  * @author    Evan Prodromou <evan@status.net>
25  * @copyright 2008-2009 StatusNet, Inc.
26  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27  * @link      http://status.net/
28  */
29
30 if (!defined('GNUSOCIAL')) { exit(1); }
31
32 /**
33  * Cancel the subscription of a profile
34  *
35  * @category Subscription
36  * @package  StatusNet
37  * @author   Evan Prodromou <evan@status.net>
38  * @author   Mikael Nordfeldth <mmn@hethane.se>
39  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
40  * @link     http://status.net/
41  */
42 class CancelsubscriptionAction extends FormAction
43 {
44     protected $needPost = true;
45
46     protected function prepare(array $args=array())
47     {
48         parent::prepare($args);
49
50         $profile_id = $this->int('unsubscribeto');
51         $this->target = Profile::getKV('id', $profile_id);
52         if (!$this->target instanceof Profile) {
53             throw new NoProfileException($profile_id);
54         }
55
56         return true;
57     }
58
59     protected function handlePost()
60     {
61         parent::handlePost();
62
63         try {
64             $request = Subscription_queue::pkeyGet(array('subscriber' => $this->scoped->id,
65                                                          'subscribed' => $this->target->id));
66             if ($request instanceof Subscription_queue) {
67                 $request->abort();
68             }
69         } catch (AlreadyFulfilledException $e) {
70             common_debug('Tried to cancel a non-existing pending subscription');
71         }
72
73         if (GNUsocial::isAjax()) {
74             $this->startHTML('text/xml;charset=utf-8');
75             $this->elementStart('head');
76             // TRANS: Title after unsubscribing from a group.
77             $this->element('title', null, _m('TITLE','Unsubscribed'));
78             $this->elementEnd('head');
79             $this->elementStart('body');
80             $subscribe = new SubscribeForm($this, $this->target);
81             $subscribe->show();
82             $this->elementEnd('body');
83             $this->endHTML();
84             exit();
85         } else {
86             common_redirect(common_local_url('subscriptions',
87                                              array('nickname' => $this->scoped->nickname)),
88                             303);
89         }
90     }
91 }