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1 <?php
2 /**
3  * Data class for happenings
4  *
5  * PHP version 5
6  *
7  * @category Data
8  * @package  StatusNet
9  * @author   Evan Prodromou <evan@status.net>
10  * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
11  * @link     http://status.net/
12  *
13  * StatusNet - the distributed open-source microblogging tool
14  * Copyright (C) 2011, StatusNet, Inc.
15  *
16  * This program is free software: you can redistribute it and/or modify
17  * it under the terms of the GNU Affero General Public License as published by
18  * the Free Software Foundation, either version 3 of the License, or
19  * (at your option) any later version.
20  *
21  * This program is distributed in the hope that it will be useful,
22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
24  * GNU Affero General Public License for more details.
25  *
26  * You should have received a copy of the GNU Affero General Public License
27  * along with this program. If not, see <http://www.gnu.org/licenses/>.
28  */
29
30 if (!defined('STATUSNET')) {
31     exit(1);
32 }
33
34 /**
35  * Data class for happenings
36  *
37  * There's already an Event class in lib/event.php, so we couldn't
38  * call this an Event without causing a hole in space-time.
39  *
40  * "Happening" seemed good enough.
41  *
42  * @category Event
43  * @package  StatusNet
44  * @author   Evan Prodromou <evan@status.net>
45  * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
46  * @link     http://status.net/
47  *
48  * @see      Managed_DataObject
49  */
50 class Happening extends Managed_DataObject
51 {
52     const OBJECT_TYPE = 'http://activitystrea.ms/schema/1.0/event';
53
54     public $__table = 'happening'; // table name
55     public $id;                    // varchar(36) UUID
56     public $uri;                   // varchar(255)
57     public $profile_id;            // int
58     public $start_time;            // datetime
59     public $end_time;              // datetime
60     public $title;                 // varchar(255)
61     public $location;              // varchar(255)
62     public $url;                   // varchar(255)
63     public $description;           // text
64     public $created;               // datetime
65
66     /**
67      * Get an instance by key
68      *
69      * @param string $k Key to use to lookup (usually 'id' for this class)
70      * @param mixed  $v Value to lookup
71      *
72      * @return Happening object found, or null for no hits
73      *
74      */
75     function staticGet($k, $v=null)
76     {
77         return Memcached_DataObject::staticGet('Happening', $k, $v);
78     }
79
80     /**
81      * The One True Thingy that must be defined and declared.
82      */
83     public static function schemaDef()
84     {
85         return array(
86             'description' => 'A real-world happening',
87             'fields' => array(
88                 'id' => array('type' => 'char',
89                               'length' => 36,
90                               'not null' => true,
91                               'description' => 'UUID'),
92                 'uri' => array('type' => 'varchar',
93                                'length' => 255,
94                                'not null' => true),
95                 'profile_id' => array('type' => 'int', 'not null' => true),
96                 'start_time' => array('type' => 'datetime', 'not null' => true),
97                 'end_time' => array('type' => 'datetime', 'not null' => true),
98                 'title' => array('type' => 'varchar',
99                                  'length' => 255,
100                                  'not null' => true),
101                 'location' => array('type' => 'varchar',
102                                     'length' => 255),
103                 'url' => array('type' => 'varchar',
104                                'length' => 255),
105                 'description' => array('type' => 'text'),
106                 'created' => array('type' => 'datetime',
107                                    'not null' => true),
108             ),
109             'primary key' => array('id'),
110             'unique keys' => array(
111                 'happening_uri_key' => array('uri'),
112             ),
113             'foreign keys' => array('happening_profile_id__key' => array('profile', array('profile_id' => 'id'))),
114             'indexes' => array('happening_created_idx' => array('created'),
115                                'happening_start_end_idx' => array('start_time', 'end_time')),
116         );
117     }
118
119     function saveNew($profile, $start_time, $end_time, $title, $location, $description, $url, $options=array())
120     {
121         if (array_key_exists('uri', $options)) {
122             $other = Happening::staticGet('uri', $options['uri']);
123             if (!empty($other)) {
124                 // TRANS: Client exception thrown when trying to create an event that already exists.
125                 throw new ClientException(_m('Event already exists.'));
126             }
127         }
128
129         $ev = new Happening();
130
131         $ev->id          = UUID::gen();
132         $ev->profile_id  = $profile->id;
133         $ev->start_time  = common_sql_date($start_time);
134         $ev->end_time    = common_sql_date($end_time);
135         $ev->title       = $title;
136         $ev->location    = $location;
137         $ev->description = $description;
138         $ev->url         = $url;
139
140         if (array_key_exists('created', $options)) {
141             $ev->created = $options['created'];
142         } else {
143             $ev->created = common_sql_now();
144         }
145
146         if (array_key_exists('uri', $options)) {
147             $ev->uri = $options['uri'];
148         } else {
149             $ev->uri = common_local_url('showevent',
150                                         array('id' => $ev->id));
151         }
152
153         $ev->insert();
154
155         // XXX: does this get truncated?
156
157         // TRANS: Event description. %1$s is a title, %2$s is start time, %3$s is end time,
158         // TRANS: %4$s is location, %5$s is a description.
159         $content = sprintf(_m('"%1$s" %2$s - %3$s (%4$s): %5$s'),
160                            $title,
161                            common_exact_date($ev->start_time),
162                            common_exact_date($ev->end_time),
163                            $location,
164                            $description);
165
166         // TRANS: Rendered event description. %1$s is a title, %2$s is start time, %3$s is start time,
167         // TRANS: %4$s is end time, %5$s is end time, %6$s is location, %7$s is description.
168         // TRANS: Class names should not be translated.
169         $rendered = sprintf(_m('<span class="vevent">'.
170                               '<span class="summary">%1$s</span> '.
171                               '<abbr class="dtstart" title="%2$s">%3$s</a> - '.
172                               '<abbr class="dtend" title="%4$s">%5$s</a> '.
173                               '(<span class="location">%6$s</span>): '.
174                               '<span class="description">%7$s</span> '.
175                               '</span>'),
176                             htmlspecialchars($title),
177                             htmlspecialchars(common_date_iso8601($ev->start_time)),
178                             htmlspecialchars(common_exact_date($ev->start_time)),
179                             htmlspecialchars(common_date_iso8601($ev->end_time)),
180                             htmlspecialchars(common_exact_date($ev->end_time)),
181                             htmlspecialchars($location),
182                             htmlspecialchars($description));
183
184         $options = array_merge(array('object_type' => Happening::OBJECT_TYPE),
185                                $options);
186
187         if (!array_key_exists('uri', $options)) {
188             $options['uri'] = $ev->uri;
189         }
190
191         if (!empty($url)) {
192             $options['urls'] = array($url);
193         }
194
195         $saved = Notice::saveNew($profile->id,
196                                  $content,
197                                  array_key_exists('source', $options) ?
198                                  $options['source'] : 'web',
199                                  $options);
200
201         return $saved;
202     }
203
204     function getNotice()
205     {
206         return Notice::staticGet('uri', $this->uri);
207     }
208
209     static function fromNotice($notice)
210     {
211         return Happening::staticGet('uri', $notice->uri);
212     }
213
214     function getRSVPs()
215     {
216         return RSVP::forEvent($this);
217     }
218
219     function getRSVP($profile)
220     {
221         return RSVP::pkeyGet(array('profile_id' => $profile->id,
222                                    'event_id' => $this->id));
223     }
224 }