plugins/Event/EventPlugin.php

   1 <?php
   2 /**
   3  * StatusNet - the distributed open-source microblogging tool
   4  * Copyright (C) 2011, StatusNet, Inc.
   5  *
   6  * Microapp plugin for event invitations and RSVPs
   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('STATUSNET')) {
  32     // This check helps protect against security problems;
  33     // your code file can't be executed directly from the web.
  34     exit(1);
  35 }
  36
  37 /**
  38  * Event plugin
  39  *
  40  * @category  Event
  41  * @package   StatusNet
  42  * @author    Evan Prodromou <evan@status.net>
  43  * @copyright 2011 StatusNet, Inc.
  44  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  45  * @link      http://status.net/
  46  */
  47 class EventPlugin extends MicroAppPlugin
  48 {
  49
  50     var $oldSaveNew = true;
  51
  52     /**
  53      * Set up our tables (event and rsvp)
  54      *
  55      * @see Schema
  56      * @see ColumnDef
  57      *
  58      * @return boolean hook value; true means continue processing, false means stop.
  59      */
  60     function onCheckSchema()
  61     {
  62         $schema = Schema::get();
  63
  64         $schema->ensureTable('happening', Happening::schemaDef());
  65         $schema->ensureTable('rsvp', RSVP::schemaDef());
  66
  67         return true;
  68     }
  69
  70     /**
  71      * Map URLs to actions
  72      *
  73      * @param URLMapper $m path-to-action mapper
  74      *
  75      * @return boolean hook value; true means continue processing, false means stop.
  76      */
  77     public function onRouterInitialized(URLMapper $m)
  78     {
  79         $m->connect('main/event/new',
  80                     array('action' => 'newevent'));
  81         $m->connect('main/event/rsvp',
  82                     array('action' => 'newrsvp'));
  83         $m->connect('main/event/rsvp/cancel',
  84                     array('action' => 'cancelrsvp'));
  85         $m->connect('event/:id',
  86                     array('action' => 'showevent'),
  87                     array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
  88         $m->connect('rsvp/:id',
  89                     array('action' => 'showrsvp'),
  90                     array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
  91         $m->connect('main/event/updatetimes',
  92                     array('action' => 'timelist'));
  93         return true;
  94     }
  95
  96     function onPluginVersion(array &$versions)
  97     {
  98         $versions[] = array('name' => 'Event',
  99                             'version' => GNUSOCIAL_VERSION,
 100                             'author' => 'Evan Prodromou',
 101                             'homepage' => 'http://status.net/wiki/Plugin:Event',
 102                             'description' =>
 103                             // TRANS: Plugin description.
 104                             _m('Event invitations and RSVPs.'));
 105         return true;
 106     }
 107
 108     function appTitle() {
 109         // TRANS: Title for event application.
 110         return _m('TITLE','Event');
 111     }
 112
 113     function tag() {
 114         return 'event';
 115     }
 116
 117     function types() {
 118         return array(Happening::OBJECT_TYPE,
 119                      RSVP::POSITIVE,
 120                      RSVP::NEGATIVE,
 121                      RSVP::POSSIBLE);
 122     }
 123
 124     /**
 125      * Given a parsed ActivityStreams activity, save it into a notice
 126      * and other data structures.
 127      *
 128      * @param Activity $activity
 129      * @param Profile $actor
 130      * @param array $options=array()
 131      *
 132      * @return Notice the resulting notice
 133      */
 134     function saveNoticeFromActivity(Activity $activity, Profile $actor, array $options=array())
 135     {
 136         if (count($activity->objects) != 1) {
 137             // TRANS: Exception thrown when there are too many activity objects.
 138             throw new Exception(_m('Too many activity objects.'));
 139         }
 140
 141         $happeningObj = $activity->objects[0];
 142
 143         if ($happeningObj->type != Happening::OBJECT_TYPE) {
 144             // TRANS: Exception thrown when event plugin comes across a non-event type object.
 145             throw new Exception(_m('Wrong type for object.'));
 146         }
 147
 148         $dtstart = $happeningObj->element->getElementsByTagName('dtstart');
 149         if($dtstart->length == 0) {
 150             // TRANS: Exception thrown when has no start date
 151             throw new Exception(_m('No start date for event.'));
 152         }
 153
 154         $dtend = $happeningObj->element->getElementsByTagName('dtend');
 155         if($dtend->length == 0) {
 156             // TRANS: Exception thrown when has no end date
 157             throw new Exception(_m('No end date for event.'));
 158         }
 159
 160         // location is optional
 161         $location = null;
 162         $location_object = $happeningObj->element->getElementsByTagName('location');
 163         if($location_object->length > 0) {
 164             $location = $location_object->item(0)->nodeValue;
 165         }
 166
 167         $notice = null;
 168
 169         switch ($activity->verb) {
 170         case ActivityVerb::POST:
 171                 // FIXME: get startTime, endTime, location and URL
 172             $notice = Happening::saveNew($actor,
 173                                          $dtstart->item(0)->nodeValue,
 174                                          $dtend->item(0)->nodeValue,
 175                                          $happeningObj->title,
 176                                          $location,
 177                                          $happeningObj->summary,
 178                                          null,
 179                                          $options);
 180             break;
 181         case RSVP::POSITIVE:
 182         case RSVP::NEGATIVE:
 183         case RSVP::POSSIBLE:
 184             $happening = Happening::getKV('uri', $happeningObj->id);
 185             if (empty($happening)) {
 186                 // FIXME: save the event
 187                 // TRANS: Exception thrown when trying to RSVP for an unknown event.
 188                 throw new Exception(_m('RSVP for unknown event.'));
 189             }
 190             $notice = RSVP::saveNew($actor, $happening, $activity->verb, $options);
 191             break;
 192         default:
 193             // TRANS: Exception thrown when event plugin comes across a undefined verb.
 194             throw new Exception(_m('Unknown verb for events.'));
 195         }
 196
 197         return $notice;
 198     }
 199
 200     /**
 201      * Turn a Notice into an activity object
 202      *
 203      * @param Notice $notice
 204      *
 205      * @return ActivityObject
 206      */
 207     function activityObjectFromNotice(Notice $notice)
 208     {
 209         $happening = null;
 210
 211         switch ($notice->object_type) {
 212         case Happening::OBJECT_TYPE:
 213             $happening = Happening::fromNotice($notice);
 214             break;
 215         case RSVP::POSITIVE:
 216         case RSVP::NEGATIVE:
 217         case RSVP::POSSIBLE:
 218             $rsvp  = RSVP::fromNotice($notice);
 219             $happening = $rsvp->getEvent();
 220             break;
 221         }
 222
 223         if (empty($happening)) {
 224             // TRANS: Exception thrown when event plugin comes across a unknown object type.
 225             throw new Exception(_m('Unknown object type.'));
 226         }
 227
 228         $notice = $happening->getNotice();
 229
 230         if (empty($notice)) {
 231             // TRANS: Exception thrown when referring to a notice that is not an event an in event context.
 232             throw new Exception(_m('Unknown event notice.'));
 233         }
 234
 235         $obj = new ActivityObject();
 236
 237         $obj->id      = $happening->uri;
 238         $obj->type    = Happening::OBJECT_TYPE;
 239         $obj->title   = $happening->title;
 240         $obj->summary = $happening->description;
 241         $obj->link    = $notice->getUrl();
 242
 243         // XXX: how to get this stuff into JSON?!
 244
 245         $obj->extra[] = array('dtstart',
 246                               array('xmlns' => 'urn:ietf:params:xml:ns:xcal'),
 247                               common_date_iso8601($happening->start_time));
 248
 249         $obj->extra[] = array('dtend',
 250                               array('xmlns' => 'urn:ietf:params:xml:ns:xcal'),
 251                               common_date_iso8601($happening->end_time));
 252
 253         $obj->extra[] = array('location', false, $happening->location);
 254
 255                 // FIXME: add URL
 256         // XXX: probably need other stuff here
 257
 258         return $obj;
 259     }
 260
 261     /**
 262      * Change the verb on RSVP notices
 263      *
 264      * @param Notice $notice
 265      *
 266      * @return ActivityObject
 267      */
 268     protected function extendActivity(Notice $stored, Activity $act, Profile $scoped=null) {
 269         switch ($stored->object_type) {
 270         case RSVP::POSITIVE:
 271         case RSVP::NEGATIVE:
 272         case RSVP::POSSIBLE:
 273             $act->verb = $stored->object_type;
 274             break;
 275         }
 276         return true;
 277     }
 278
 279     /**
 280      * Form for our app
 281      *
 282      * @param HTMLOutputter $out
 283      * @return Widget
 284      */
 285     function entryForm($out)
 286     {
 287         return new EventForm($out);
 288     }
 289
 290     /**
 291      * When a notice is deleted, clean up related tables.
 292      *
 293      * @param Notice $notice
 294      */
 295     function deleteRelated(Notice $notice)
 296     {
 297         switch ($notice->object_type) {
 298         case Happening::OBJECT_TYPE:
 299             common_log(LOG_DEBUG, "Deleting event from notice...");
 300             $happening = Happening::fromNotice($notice);
 301             $happening->delete();
 302             break;
 303         case RSVP::POSITIVE:
 304         case RSVP::NEGATIVE:
 305         case RSVP::POSSIBLE:
 306             common_log(LOG_DEBUG, "Deleting rsvp from notice...");
 307             $rsvp = RSVP::fromNotice($notice);
 308             common_log(LOG_DEBUG, "to delete: $rsvp->id");
 309             $rsvp->delete();
 310             break;
 311         default:
 312             common_log(LOG_DEBUG, "Not deleting related, wtf...");
 313         }
 314     }
 315
 316     function onEndShowScripts($action)
 317     {
 318         $action->script($this->path('js/event.js'));
 319     }
 320
 321     function onEndShowStyles($action)
 322     {
 323         $action->cssLink($this->path('css/event.css'));
 324         return true;
 325     }
 326
 327     function onStartAddNoticeReply($nli, $parent, $child)
 328     {
 329         // Filter out any poll responses
 330         if (($parent->object_type == Happening::OBJECT_TYPE) &&
 331             in_array($child->object_type, array(RSVP::POSITIVE, RSVP::NEGATIVE, RSVP::POSSIBLE))) {
 332             return false;
 333         }
 334         return true;
 335     }
 336
 337     protected function showNoticeItemNotice(NoticeListItem $nli)
 338     {
 339         $nli->showAuthor();
 340         $nli->showContent();
 341     }
 342
 343     protected function showNoticeContent(Notice $stored, HTMLOutputter $out, Profile $scoped=null)
 344     {
 345         switch ($stored->object_type) {
 346         case Happening::OBJECT_TYPE:
 347             $this->showEvent($stored, $out, $scoped);
 348             break;
 349         case RSVP::POSITIVE:
 350         case RSVP::NEGATIVE:
 351         case RSVP::POSSIBLE:
 352             $this->showRSVP($stored, $out, $scoped);
 353             break;
 354         }
 355     }
 356
 357     protected function showEvent(Notice $stored, HTMLOutputter $out, Profile $scoped=null)
 358     {
 359         $profile = $stored->getProfile();
 360         $event   = Happening::fromNotice($stored);
 361
 362         if (!$event instanceof Happening) {
 363             // TRANS: Content for a deleted RSVP list item (RSVP stands for "please respond").
 364             $out->element('p', null, _m('Deleted.'));
 365             return;
 366         }
 367
 368         $out->elementStart('div', 'h-event');
 369
 370         $out->elementStart('h3', 'p-summary p-name');
 371
 372         try {
 373             $out->element('a', array('href' => $event->getUrl()), $event->title);
 374         } catch (InvalidUrlException $e) {
 375             $out->text($event->title);
 376         }
 377
 378         $out->elementEnd('h3');
 379
 380         $now       = new DateTime();
 381         $startDate = new DateTime($event->start_time);
 382         $endDate   = new DateTime($event->end_time);
 383         $userTz    = new DateTimeZone(common_timezone());
 384
 385         // Localize the time for the observer
 386         $now->setTimeZone($userTz);
 387         $startDate->setTimezone($userTz);
 388         $endDate->setTimezone($userTz);
 389
 390         $thisYear  = $now->format('Y');
 391         $startYear = $startDate->format('Y');
 392         $endYear   = $endDate->format('Y');
 393
 394         $dateFmt = 'D, F j, '; // e.g.: Mon, Aug 31
 395
 396         if ($startYear != $thisYear || $endYear != $thisYear) {
 397             $dateFmt .= 'Y,'; // append year if we need to think about years
 398         }
 399
 400         $startDateStr = $startDate->format($dateFmt);
 401         $endDateStr = $endDate->format($dateFmt);
 402
 403         $timeFmt = 'g:ia';
 404
 405         $startTimeStr = $startDate->format($timeFmt);
 406         $endTimeStr = $endDate->format("{$timeFmt} (T)");
 407
 408         $out->elementStart('div', 'event-times'); // VEVENT/EVENT-TIMES IN
 409
 410         // TRANS: Field label for event description.
 411         $out->element('strong', null, _m('Time:'));
 412
 413         $out->element('time', array('class' => 'dt-start',
 414                                     'datetime' => common_date_iso8601($event->start_time)),
 415                       $startDateStr . ' ' . $startTimeStr);
 416         $out->text(' – ');
 417         $out->element('time', array('class' => 'dt-end',
 418                                     'datetime' => common_date_iso8601($event->end_time)),
 419                       $startDateStr != $endDateStr
 420                                     ? "$endDateStr $endTimeStr"
 421                                     :  $endTimeStr);
 422
 423         $out->elementEnd('div'); // VEVENT/EVENT-TIMES OUT
 424
 425         if (!empty($event->location)) {
 426             $out->elementStart('div', 'event-location');
 427             // TRANS: Field label for event description.
 428             $out->element('strong', null, _m('Location:'));
 429             $out->element('span', 'p-location', $event->location);
 430             $out->elementEnd('div');
 431         }
 432
 433         if (!empty($event->description)) {
 434             $out->elementStart('div', 'event-description');
 435             // TRANS: Field label for event description.
 436             $out->element('strong', null, _m('Description:'));
 437             $out->element('div', 'p-description', $event->description);
 438             $out->elementEnd('div');
 439         }
 440
 441         $rsvps = $event->getRSVPs();
 442
 443         $out->elementStart('div', 'event-rsvps');
 444
 445         // TRANS: Field label for event description.
 446         $out->element('strong', null, _m('Attending:'));
 447         $out->elementStart('ul', 'attending-list');
 448
 449         foreach ($rsvps as $verb => $responses) {
 450             $out->elementStart('li', 'rsvp-list');
 451             switch ($verb) {
 452             case RSVP::POSITIVE:
 453                 $out->text(_('Yes:'));
 454                 break;
 455             case RSVP::NEGATIVE:
 456                 $out->text(_('No:'));
 457                 break;
 458             case RSVP::POSSIBLE:
 459                 $out->text(_('Maybe:'));
 460                 break;
 461             }
 462             $ids = array();
 463             foreach ($responses as $response) {
 464                 $ids[] = $response->profile_id;
 465             }
 466             $ids = array_slice($ids, 0, ProfileMiniList::MAX_PROFILES + 1);
 467             $minilist = new ProfileMiniList(Profile::multiGet('id', $ids), $out);
 468             $minilist->show();
 469
 470             $out->elementEnd('li');
 471         }
 472
 473         $out->elementEnd('ul');
 474         $out->elementEnd('div');
 475
 476         if ($scoped instanceof Profile) {
 477             $rsvp = $event->getRSVP($scoped);
 478
 479             if (empty($rsvp)) {
 480                 $form = new RSVPForm($event, $out);
 481             } else {
 482                 $form = new CancelRSVPForm($rsvp, $out);
 483             }
 484
 485             $form->show();
 486         }
 487         $out->elementEnd('div');
 488     }
 489
 490     protected function showRSVP(Notice $stored, HTMLOutputter $out, Profile $scoped=null)
 491     {
 492         $rsvp = RSVP::fromNotice($stored);
 493
 494         if (empty($rsvp)) {
 495             // TRANS: Content for a deleted RSVP list item (RSVP stands for "please respond").
 496             $out->element('p', null, _m('Deleted.'));
 497             return;
 498         }
 499
 500         $out->elementStart('div', 'rsvp');
 501         $out->raw($rsvp->asHTML());
 502         $out->elementEnd('div');
 503     }
 504 }