gnu-social/plugins/Event/EventPlugin.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
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*
* Microapp plugin for event invitations and RSVPs
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*
* PHP version 5
*
* 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 Event
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* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Event plugin
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*
* @category Sample
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class EventPlugin extends MicroappPlugin
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{
/**
* Set up our tables (event and rsvp)
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*
* @see Schema
* @see ColumnDef
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
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$schema->ensureTable('happening', Happening::schemaDef());
$schema->ensureTable('rsvp', RSVP::schemaDef());
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return true;
}
/**
* Load related modules when needed
*
* @param string $cls Name of the class to be loaded
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'NeweventAction':
case 'NewrsvpAction':
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case 'CancelrsvpAction':
case 'ShoweventAction':
case 'ShowrsvpAction':
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include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
return false;
case 'EventForm':
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case 'RSVPForm':
case 'CancelRSVPForm':
include_once $dir . '/'.strtolower($cls).'.php';
break;
case 'Happening':
case 'RSVP':
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include_once $dir . '/'.$cls.'.php';
return false;
default:
return true;
}
}
/**
* Map URLs to actions
*
* @param Net_URL_Mapper $m path-to-action mapper
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onRouterInitialized($m)
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{
$m->connect('main/event/new',
array('action' => 'newevent'));
$m->connect('main/event/rsvp',
array('action' => 'newrsvp'));
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$m->connect('main/event/rsvp/cancel',
array('action' => 'cancelrsvp'));
$m->connect('event/:id',
array('action' => 'showevent'),
array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
$m->connect('rsvp/:id',
array('action' => 'showrsvp'),
array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
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return true;
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'Event',
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'version' => STATUSNET_VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:Event',
'description' =>
// TRANS: Plugin description.
_m('Event invitations and RSVPs.'));
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return true;
}
function appTitle() {
// TRANS: Title for event application.
return _m('TITLE','Event');
}
function tag() {
return 'event';
}
function types() {
return array(Happening::OBJECT_TYPE,
RSVP::POSITIVE,
RSVP::NEGATIVE,
RSVP::POSSIBLE);
}
/**
* Given a parsed ActivityStreams activity, save it into a notice
* and other data structures.
*
* @param Activity $activity
* @param Profile $actor
* @param array $options=array()
*
* @return Notice the resulting notice
*/
function saveNoticeFromActivity($activity, $actor, $options=array())
{
if (count($activity->objects) != 1) {
throw new Exception(_('Too many activity objects.'));
}
$happeningObj = $activity->objects[0];
if ($happeningObj->type != Happening::OBJECT_TYPE) {
// TRANS: Exception thrown when event plugin comes across a non-event type object.
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throw new Exception(_m('Wrong type for object.'));
}
$notice = null;
switch ($activity->verb) {
case ActivityVerb::POST:
$notice = Happening::saveNew($actor,
$start_time,
$end_time,
$happeningObj->title,
null,
$happeningObj->summary,
$options);
break;
case RSVP::POSITIVE:
case RSVP::NEGATIVE:
case RSVP::POSSIBLE:
$happening = Happening::staticGet('uri', $happeningObj->id);
if (empty($happening)) {
// FIXME: save the event
// TRANS: Exception thrown when trying to RSVP for an unknown event.
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throw new Exception(_m('RSVP for unknown event.'));
}
$notice = RSVP::saveNew($actor, $happening, $activity->verb, $options);
break;
default:
// TRANS: Exception thrown when event plugin comes across a undefined verb.
throw new Exception(_m('Unknown verb for events.'));
}
return $notice;
}
/**
* Turn a Notice into an activity object
*
* @param Notice $notice
*
* @return ActivityObject
*/
function activityObjectFromNotice($notice)
{
$happening = null;
switch ($notice->object_type) {
case Happening::OBJECT_TYPE:
$happening = Happening::fromNotice($notice);
break;
case RSVP::POSITIVE:
case RSVP::NEGATIVE:
case RSVP::POSSIBLE:
$rsvp = RSVP::fromNotice($notice);
$happening = $rsvp->getEvent();
break;
}
if (empty($happening)) {
// TRANS: Exception thrown when event plugin comes across a unknown object type.
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throw new Exception(_m('Unknown object type.'));
}
$notice = $happening->getNotice();
if (empty($notice)) {
// TRANS: Exception thrown when referring to a notice that is not an event an in event context.
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throw new Exception(_m('Unknown event notice.'));
}
$obj = new ActivityObject();
$obj->id = $happening->uri;
$obj->type = Happening::OBJECT_TYPE;
$obj->title = $happening->title;
$obj->summary = $happening->description;
$obj->link = $notice->bestUrl();
// XXX: how to get this stuff into JSON?!
$obj->extra[] = array('dtstart',
array('xmlns' => 'urn:ietf:params:xml:ns:xcal'),
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common_date_iso8601($happening->start_time));
$obj->extra[] = array('dtend',
array('xmlns' => 'urn:ietf:params:xml:ns:xcal'),
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common_date_iso8601($happening->end_time));
// XXX: probably need other stuff here
return $obj;
}
/**
* Change the verb on RSVP notices
*
* @param Notice $notice
*
* @return ActivityObject
*/
function onEndNoticeAsActivity($notice, &$act) {
switch ($notice->object_type) {
case RSVP::POSITIVE:
case RSVP::NEGATIVE:
case RSVP::POSSIBLE:
$act->verb = $notice->object_type;
break;
}
return true;
}
/**
* Custom HTML output for our notices
*
* @param Notice $notice
* @param HTMLOutputter $out
*/
function showNotice($notice, $out)
{
switch ($notice->object_type) {
case Happening::OBJECT_TYPE:
$this->showEventNotice($notice, $out);
break;
case RSVP::POSITIVE:
case RSVP::NEGATIVE:
case RSVP::POSSIBLE:
$this->showRSVPNotice($notice, $out);
break;
}
// @fixme we have to start the name/avatar and open this div
$out->elementStart('div', array('class' => 'event-info entry-content')); // EVENT-INFO.ENTRY-CONTENT IN
$profile = $notice->getProfile();
$avatar = $profile->getAvatar(AVATAR_MINI_SIZE);
$out->element('img',
array('src' => ($avatar) ?
$avatar->displayUrl() :
Avatar::defaultImage(AVATAR_MINI_SIZE),
'class' => 'avatar photo bookmark-avatar',
'width' => AVATAR_MINI_SIZE,
'height' => AVATAR_MINI_SIZE,
'alt' => $profile->getBestName()));
$out->raw('&#160;'); // avoid &nbsp; for AJAX XML compatibility
$out->elementStart('span', 'vcard author'); // hack for belongsOnTimeline; JS needs to be able to find the author
$out->element('a',
array('class' => 'url',
'href' => $profile->profileurl,
'title' => $profile->getBestName()),
$profile->nickname);
$out->elementEnd('span');
}
function showRSVPNotice($notice, $out)
{
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$rsvp = RSVP::fromNotice($notice);
$out->elementStart('div', 'rsvp');
$out->raw($rsvp->asHTML());
$out->elementEnd('div');
return;
}
function showEventNotice($notice, $out)
{
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$profile = $notice->getProfile();
$event = Happening::fromNotice($notice);
assert(!empty($event));
assert(!empty($profile));
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$out->elementStart('div', 'vevent event'); // VEVENT IN
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$out->elementStart('h3'); // VEVENT/H3 IN
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if (!empty($event->url)) {
$out->element('a',
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array('href' => $event->url,
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'class' => 'event-title entry-title summary'),
$event->title);
} else {
$out->text($event->title);
}
$out->elementEnd('h3'); // VEVENT/H3 OUT
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$startDate = strftime("%x", strtotime($event->start_time));
$startTime = strftime("%R", strtotime($event->start_time));
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$endDate = strftime("%x", strtotime($event->end_time));
$endTime = strftime("%R", strtotime($event->end_time));
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// FIXME: better dates
$out->elementStart('div', 'event-times'); // VEVENT/EVENT-TIMES IN
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// TRANS: Field label for event description.
$out->element('strong', null, _m('Time:'));
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$out->element('abbr', array('class' => 'dtstart',
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'title' => common_date_iso8601($event->start_time)),
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$startDate . ' ' . $startTime);
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$out->text(' - ');
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if ($startDate == $endDate) {
$out->element('span', array('class' => 'dtend',
'title' => common_date_iso8601($event->end_time)),
$endTime);
} else {
$out->element('span', array('class' => 'dtend',
'title' => common_date_iso8601($event->end_time)),
$endDate . ' ' . $endTime);
}
$out->elementEnd('div'); // VEVENT/EVENT-TIMES OUT
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if (!empty($event->location)) {
$out->elementStart('div', 'event-location');
// TRANS: Field label for event description.
$out->element('strong', null, _m('Location:'));
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$out->element('span', 'location', $event->location);
$out->elementEnd('div');
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}
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if (!empty($event->description)) {
$out->elementStart('div', 'event-description');
// TRANS: Field label for event description.
$out->element('strong', null, _m('Description:'));
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$out->element('span', 'description', $event->description);
$out->elementEnd('div');
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}
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$rsvps = $event->getRSVPs();
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$out->elementStart('div', 'event-rsvps');
// TRANS: Field label for event description.
$out->element('strong', null, _m('Attending:'));
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$out->element('span', 'event-rsvps',
// TRANS: RSVP counts.
// TRANS: %1$d, %2$d and %3$d are numbers of RSVPs.
sprintf(_m('Yes: %1$d No: %2$d Maybe: %3$d'),
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count($rsvps[RSVP::POSITIVE]),
count($rsvps[RSVP::NEGATIVE]),
count($rsvps[RSVP::POSSIBLE])));
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$out->elementEnd('div');
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$user = common_current_user();
if (!empty($user)) {
$rsvp = $event->getRSVP($user->getProfile());
if (empty($rsvp)) {
$form = new RSVPForm($event, $out);
} else {
$form = new CancelRSVPForm($rsvp, $out);
}
$form->show();
}
$out->elementEnd('div'); // vevent out
}
/**
* Form for our app
*
* @param HTMLOutputter $out
* @return Widget
*/
function entryForm($out)
{
return new EventForm($out);
}
/**
* When a notice is deleted, clean up related tables.
*
* @param Notice $notice
*/
function deleteRelated($notice)
{
switch ($notice->object_type) {
case Happening::OBJECT_TYPE:
common_log(LOG_DEBUG, "Deleting event from notice...");
$happening = Happening::fromNotice($notice);
$happening->delete();
break;
case RSVP::POSITIVE:
case RSVP::NEGATIVE:
case RSVP::POSSIBLE:
common_log(LOG_DEBUG, "Deleting rsvp from notice...");
$rsvp = RSVP::fromNotice($notice);
common_log(LOG_DEBUG, "to delete: $rsvp->id");
$rsvp->delete();
break;
default:
common_log(LOG_DEBUG, "Not deleting related, wtf...");
}
}
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function onEndShowScripts($action)
{
$action->inlineScript('$(document).ready(function() { $("#startdate").datepicker(); $("#enddate").datepicker(); });');
}
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function onEndShowStyles($action)
{
$action->cssLink($this->path('event.css'));
return true;
}
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}