gnu-social/plugins/Event/newrsvp.php

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<?php
/**
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* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
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*
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* RSVP for an event
*
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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/>.
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*
* @category Event
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
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*/
if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
// your code file can't be executed directly from the web.
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exit(1);
}
/**
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* RSVP for an event
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*
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* @category Event
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
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*/
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class NewrsvpAction extends Action
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{
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protected $user = null;
protected $event = null;
protected $type = null;
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/**
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* Returns the title of the action
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*
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* @return string Action title
*/
function title()
{
return _('New RSVP');
}
/**
* For initializing members of the class.
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*
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* @param array $argarray misc. arguments
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*
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* @return boolean true
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*/
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function prepare($argarray)
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{
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parent::prepare($argarray);
$eventId = $this->trimmed('event');
if (empty($eventId)) {
throw new ClientException(_('No such event.'));
}
$this->event = Happening::staticGet('id', $eventId);
if (empty($this->event)) {
throw new ClientException(_('No such event.'));
}
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$this->user = common_current_user();
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if (empty($this->user)) {
throw new ClientException(_('You must be logged in to RSVP for an event.'));
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}
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if ($this->arg('yes')) {
$this->type = RSVP::POSITIVE;
} else if ($this->arg('no')) {
$this->type = RSVP::NEGATIVE;
} else {
$this->type = RSVP::POSSIBLE;
}
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return true;
}
/**
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* Handler method
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*
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* @param array $argarray is ignored since it's now passed in in prepare()
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*
* @return void
*/
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function handle($argarray=null)
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{
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parent::handle($argarray);
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if ($this->isPost()) {
$this->newRSVP();
} else {
$this->showPage();
}
return;
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}
/**
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* Add a new event
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*
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* @return void
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*/
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function newRSVP()
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{
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try {
$saved = RSVP::saveNew($this->user->getProfile(),
$this->event,
$this->type);
} catch (ClientException $ce) {
$this->error = $ce->getMessage();
$this->showPage();
return;
}
if ($this->boolean('ajax')) {
$rsvp = RSVP::fromNotice($saved);
header('Content-Type: text/xml;charset=utf-8');
$this->xw->startDocument('1.0', 'UTF-8');
$this->elementStart('html');
$this->elementStart('head');
// TRANS: Page title after sending a notice.
$this->element('title', null, _('Event saved'));
$this->elementEnd('head');
$this->elementStart('body');
$this->elementStart('body');
$cancel = new CancelRSVPForm($rsvp, $this);
$cancel->show();
$this->elementEnd('body');
$this->elementEnd('body');
$this->elementEnd('html');
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} else {
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common_redirect($saved->bestUrl(), 303);
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}
}
/**
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* Show the event form
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*
* @return void
*/
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function showContent()
{
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if (!empty($this->error)) {
$this->element('p', 'error', $this->error);
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}
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$form = new RSVPForm($this->event, $this);
$form->show();
return;
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}
/**
* Return true if read only.
*
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* MAY override
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*
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* @param array $args other arguments
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*
* @return boolean is read only action?
*/
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function isReadOnly($args)
{
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if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
$_SERVER['REQUEST_METHOD'] == 'HEAD') {
return true;
} else {
return false;
}
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}
}