rate-it/public/php/rateit.php

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2014-10-01 07:19:14 +02:00
<?php
/**
* Contao Open Source CMS
* Copyright (C) 2005-2011 Leo Feyer
*
* Formerly known as TYPOlight Open Source CMS.
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program. If not, please visit the Free
* Software Foundation website at <http://www.gnu.org/licenses/>.
*
* PHP version 5
* @copyright cgo IT, 2013
* @author Carsten Götzinger (info@cgo-it.de)
* @package rateit
* @license GNU/LGPL
* @filesource
*/
namespace cgoIT\rateit;
define(RETURN_AJAX_HEADER, 'Content-Type: text/html');
class RateIt extends \Frontend {
var $allowDuplicates = false;
/**
* Initialize the controller
*/
public function __construct() {
parent::__construct();
$this->loadLanguageFile('default');
$this->allowDuplicates = $GLOBALS['TL_CONFIG']['rating_allow_duplicate_ratings'];
$this->allowDuplicatesForMembers = $GLOBALS['TL_CONFIG']['rating_allow_duplicate_ratings_for_members'];
}
/**
* doVote
*
* This is the function in charge of handling a vote and saving it to the
* database.
*
* NOTE: This method is meant to be called as part of an AJAX request. As
* such, it unitlizes the die() function to display its errors. THIS
* WOULD BE A VERY BAD FUNCTION TO CALL FROM WITHIN ANOTHER PAGE.
*
* @param integer id - The id of key to register a rating for.
* @param integer percent - The rating in percentages.
*/
function doVote() {
$ip = $_SERVER['REMOTE_ADDR'];
$rkey = $_POST['id'];
$percent = $_POST['vote'];
$type = $_POST['type'];
//Make sure that the ratable ID is a number and not something crazy.
if (strstr($rkey, '|')) {
$arrRkey = explode('|', $rkey);
foreach ($arrRkey as $key) {
if (!is_numeric($key)) {
header(RETURN_AJAX_HEADER);
echo $GLOBALS['TL_LANG']['rateit']['error']['invalid_rating'];
exit;
}
$id = $rkey;
}
} else {
if (is_numeric($rkey)) {
$id = $rkey;
} else {
header(RETURN_AJAX_HEADER);
echo $GLOBALS['TL_LANG']['rateit']['error']['invalid_rating'];
exit;
}
}
//Make sure the percent is a number and under 100.
if (is_numeric($percent) && $percent < 101) {
$rating = $percent;
} else {
header(RETURN_AJAX_HEADER);
echo $GLOBALS['TL_LANG']['rateit']['error']['invalid_rating'];
exit;
}
//Make sure that the ratable type is 'page' or 'ce' or 'module'
if (!($type === 'page' || $type === 'article' || $type === 'ce' || $type === 'module' || $type === 'news' || $type === 'faq' || $type === 'galpic')) {
header(RETURN_AJAX_HEADER);
echo $GLOBALS['TL_LANG']['rateit']['error']['invalid_type'];
exit;
}
$strHash = sha1(session_id() . (!$GLOBALS['TL_CONFIG']['disableIpCheck'] ? \Environment::get('ip') : '') . 'FE_USER_AUTH');
// FrontendUser auslesen
if (FE_USER_LOGGED_IN) {
$objUser = $this->Database->prepare("SELECT pid FROM tl_session WHERE hash=?")
->limit(1)
->execute($strHash);
if ($objUser->numRows) {
$userId = $objUser->pid;
}
}
$ratableKeyId = $this->Database->prepare('SELECT id FROM tl_rateit_items WHERE rkey=? and typ=?')
->execute($id, $type)
->fetchAssoc();
$canVote = false;
if (isset($userId)) {
$countUser = $this->Database->prepare('SELECT * FROM tl_rateit_ratings WHERE pid=? and memberid=?')
->execute($ratableKeyId['id'], $userId)
->count();
}
$countIp = $this->Database->prepare('SELECT * FROM tl_rateit_ratings WHERE pid=? and ip_address=?')
->execute($ratableKeyId['id'], $ip)
->count();
// Die with an error if the insert fails (duplicate IP or duplicate member id for a vote).
if (((!$this->allowDuplicates && $countIp == 0) || $this->allowDuplicates) ||
((!$this->allowDuplicatesForMembers && (isset($countUser) ? $countUser == 0 : false)) || ($this->allowDuplicatesForMembers && isset($userId)))) {
// Insert the data.
$arrSet = array('pid' => $ratableKeyId['id'],
'tstamp' => time(),
'ip_address' => $ip,
'memberid' => isset($userId) ? $userId : null,
'rating' => $rating,
'createdat'=> time()
);
$this->Database->prepare('INSERT INTO tl_rateit_ratings %s')
->set($arrSet)
->execute();
} else {
header(RETURN_AJAX_HEADER);
echo $GLOBALS['TL_LANG']['rateit']['error']['duplicate_vote'];
exit;
}
$this->import('rateit\\RateItFrontend', 'RateItFrontend');
$rating = $this->RateItFrontend->loadRating($id, $type);
header(RETURN_AJAX_HEADER);
echo $this->RateItFrontend->getStarMessage($rating);
exit;
}
}
?>