gnu-social/actions/favor.php

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<?php
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/**
* Favor action.
*
* PHP version 5
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Robin Millette <millette@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* 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/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
}
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require_once INSTALLDIR.'/lib/mail.php';
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require_once INSTALLDIR.'/lib/disfavorform.php';
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/**
* Favor class.
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Robin Millette <millette@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*/
class FavorAction extends Action
{
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/**
* Class handler.
*
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* @param array $args query arguments
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if (!common_logged_in()) {
// TRANS: Error message displayed when trying to perform an action that requires a logged in user.
$this->clientError(_('Not logged in.'));
return;
}
$user = common_current_user();
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
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common_redirect(common_local_url('showfavorites',
array('nickname' => $user->nickname)));
return;
}
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$id = $this->trimmed('notice');
$notice = Notice::getKV($id);
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$token = $this->trimmed('token-'.$notice->id);
if (!$token || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token does not match or is not given.
$this->clientError(_('There was a problem with your session token. Try again, please.'));
return;
}
if ($user->hasFave($notice)) {
// TRANS: Client error displayed when trying to mark a notice as favorite that already is a favorite.
$this->clientError(_('This notice is already a favorite!'));
return;
}
$fave = Fave::addNew($user->getProfile(), $notice);
if (!$fave) {
// TRANS: Server error displayed when trying to mark a notice as favorite fails in the database.
$this->serverError(_('Could not create favorite.'));
return;
}
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$this->notify($notice, $user);
$user->blowFavesCache();
if ($this->boolean('ajax')) {
$this->startHTML('text/xml;charset=utf-8');
$this->elementStart('head');
// TRANS: Page title for page on which favorite notices can be unfavourited.
$this->element('title', null, _('Disfavor favorite.'));
$this->elementEnd('head');
$this->elementStart('body');
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$disfavor = new DisFavorForm($this, $notice);
$disfavor->show();
$this->elementEnd('body');
$this->elementEnd('html');
} else {
common_redirect(common_local_url('showfavorites',
array('nickname' => $user->nickname)),
303);
}
}
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/**
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* Notifies a user when their notice is favorited.
*
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* @param class $notice favorited notice
* @param class $user user declaring a favorite
*
* @return void
*/
function notify($notice, $user)
{
$other = User::getKV('id', $notice->profile_id);
if ($other && $other->id != $user->id) {
if ($other->email && $other->emailnotifyfav) {
mail_notify_fave($other, $user, $notice);
}
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// XXX: notify by IM
// XXX: notify by SMS
}
}
}