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[quix0rs-gnu-social.git] / plugins / Event / actions / rsvp.php
1 <?php
2 /**
3  * StatusNet - the distributed open-source microblogging tool
4  * Copyright (C) 2011, StatusNet, Inc.
5  *
6  * RSVP for an event
7  *
8  * PHP version 5
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU Affero General Public License as published by
12  * the Free Software Foundation, either version 3 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Affero General Public License for more details.
19  *
20  * You should have received a copy of the GNU Affero General Public License
21  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22  *
23  * @category  Event
24  * @package   StatusNet
25  * @author    Evan Prodromou <evan@status.net>
26  * @copyright 2011 StatusNet, Inc.
27  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
28  * @link      http://status.net/
29  */
30
31 if (!defined('GNUSOCIAL')) { exit(1); }
32
33 /**
34  * RSVP for an event
35  *
36  * @category  Event
37  * @package   StatusNet
38  * @author    Evan Prodromou <evan@status.net>
39  * @copyright 2011 StatusNet, Inc.
40  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
41  * @link      http://status.net/
42  */
43 class RsvpAction extends FormAction
44 {
45     protected $form = 'RSVP';
46
47     protected $event = null;
48
49     function title()
50     {
51         // TRANS: Title for RSVP ("please respond") action.
52         return _m('TITLE','New RSVP');
53     }
54
55     protected function doPreparation()
56     {
57         if ($this->trimmed('notice')) {
58             $stored = Notice::getByID($this->trimmed('notice'));
59             $this->event = Happening::fromStored($stored);
60         } else {
61             $this->event = Happening::getByKeys(['uri'=>$this->trimmed('event')]);
62         }
63
64         $this->formOpts['event'] = $this->event;
65     }
66
67     protected function doPost()
68     {
69         if ($this->trimmed('rsvp') === 'cancel') {
70             $rsvp = RSVP::byEventAndActor($this->event, $this->scoped);
71             try {
72                 $notice = $rsvp->getStored();
73                 $notice->deleteAs($this->scoped);
74             } catch (NoResultException $e) {
75                 // Notice already gone
76                 $rsvp->delete();
77             } catch (Exception $e) {
78                 // emergency cleanup in case database is screwed up
79                 $rsvp->delete();
80             }
81             return _m('Cancelled RSVP');
82         }
83
84         $verb = RSVP::verbFor(strtolower($this->trimmed('rsvp')));
85         $options = array('source' => 'web');
86
87         $act = new Activity();
88         $act->id = UUID::gen();
89         $act->verb    = $verb;
90         $act->time    = time();
91         $act->title   = _m('RSVP');
92         $act->actor   = $this->scoped->asActivityObject();
93         $act->target  = $this->event->getStored()->asActivityObject();
94         $act->objects = array(clone($act->target));
95         $act->content = RSVP::toHTML($this->scoped, $this->event, RSVP::codeFor($verb));
96
97         $act->context = new ActivityContext();
98         $act->context->replyToID = $this->event->getUri();
99
100         $stored = Notice::saveActivity($act, $this->scoped, $options);
101
102         return _m('Saved RSVP');
103     }
104 }