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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-2.0/JG/trunk/components/com_joomgallery/models/vote.php $
// $Id: vote.php 3839 2012-09-03 17:17:47Z chraneco $
/****************************************************************************************\
** JoomGallery 2 **
** By: JoomGallery::ProjectTeam **
** Copyright (C) 2008 - 2012 JoomGallery::ProjectTeam **
** Based on: JoomGallery 1.0.0 by JoomGallery::ProjectTeam **
** Released under GNU GPL Public License **
** License: http://www.gnu.org/copyleft/gpl.html or have a look **
** at administrator/components/com_joomgallery/LICENSE.TXT **
\****************************************************************************************/
defined('_JEXEC') or die('Direct Access to this location is not allowed.');
/**
* JoomGallery Votes model
*
* @package JoomGallery
* @since 1.5.5
*/
class JoomGalleryModelVote extends JoomGalleryModel
{
/**
* The ID of the image the vote belongs to
*
* @var int
*/
protected $_id;
/**
* Constructor
*
* @return void
* @since 1.5.5
*/
public function __construct()
{
parent::__construct();
$id = JRequest::getInt('id');
$this->setId($id);
}
/**
* Method to set the image I
*
* @param int $id The image ID
* @since 1.5.5
*/
public function setId($id)
{
// Set new image ID if valid
if(!$id)
{
$this->_mainframe->redirect(JRoute::_('index.php?view=gallery', false), JText::_('COM_JOOMGALLERY_COMMON_NO_IMAGE_SPECIFIED'), 'notice');
}
$this->_id = $id;
}
/**
* Method to get the image ID
*
* @return int The image ID
* @since 1.5.5
*/
public function getId()
{
return $this->_id;
}
/**
* Method to vote an image
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
public function vote()
{
// Check for hacking attempt
$categories = $this->_ambit->getCategoryStructure();
$query = $this->_db->getQuery(true)
->select('a.owner')
->from(_JOOM_TABLE_IMAGES.' AS a')
->leftJoin(_JOOM_TABLE_CATEGORIES.' AS c ON c.cid = a.catid')
->where('a.published = 1')
->where('a.approved = 1')
->where('a.id = '.$this->_id)
->where('a.access IN ('.implode(',', $this->_user->getAuthorisedViewLevels()).')')
->where('c.cid IN ('.implode(',', array_keys($categories)).')');
$this->_db->setQuery($query);
$owner = $this->_db->loadResult();
if(is_null($owner) || ($this->_config->get('jg_votingonlyreg') && !$this->_user->get('id')))
{
$this->setError('Stop Hacking attempt!');
return false;
}
// No votes from image owner allowed
if($this->_config->get('jg_votingonlyreg') && $this->_user->get('id') == $owner)
{
$this->setError(JText::_('COM_JOOMGALLERY_DETAIL_RATING_NOT_ON_OWN_IMAGES'));
return false;
}
$vote = JRequest::getInt('imgvote');
// Check if vote was manipulated with modifying the HTML code
if($vote < 1 || $vote > $this->_config->get('jg_maxvoting'))
{
$this->setError('Stop Hacking attempt!');
return false;
}
// Get voted or not
if($this->_config->get('jg_votingonlyreg'))
{
// Check whether the user already voted on that image
$query->clear()
->select('COUNT(*)')
->from(_JOOM_TABLE_VOTES)
->where('userid = '.$this->_user->get('id'))
->where('picid = '.$this->_id);
$this->_db->setQuery($query);
// Vote or enqueue notice
if($this->_db->loadResult())
{
$this->setError(JText::_('COM_JOOMGALLERY_DETAIL_RATINGS_MSG_YOUR_VOTE_NOT_COUNTED'));
return false;
}
}
else
{
if($this->_config->get('jg_votingonlyonce'))
{
// Check whether there was already a vote for that image
// from the same IP address during the last 24 hours
$query->clear()
->select('COUNT(*)')
->from(_JOOM_TABLE_VOTES)
->where('userip = '.$this->_db->q($_SERVER['REMOTE_ADDR']))
->where('picid = '.$this->_id)
->where('datevoted > DATE_SUB(NOW(), INTERVAL 24 HOUR)');
$this->_db->setQuery($query);
// Vote or enqueue notice
if($this->_db->loadResult())
{
$this->setError(JText::_('COM_JOOMGALLERY_DETAIL_RATINGS_MSG_YOUR_VOTE_NOT_COUNTED'));
return false;
}
}
}
// Get old values from database
$query->clear()
->select('imgvotes, imgvotesum')
->from(_JOOM_TABLE_IMAGES)
->where('id = '.$this->_id);
$this->_db->setQuery($query);
$row = $this->_db->loadObject();
// Recalculate with the new vote
$row->imgvotes++;
$row->imgvotesum = $row->imgvotesum + $vote;
// Trigger event 'onJoomBeforeVote'
$plugins = $this->_mainframe->triggerEvent('onJoomBeforeVote', array(&$row, $vote));
if(in_array(false, $plugins, true))
{
return false;
}
// Save new values
$query->clear()
->update(_JOOM_TABLE_IMAGES)
->set('imgvotes = '.$row->imgvotes)
->set('imgvotesum = '.$row->imgvotesum)
->where('id = '.$this->_id);
$this->_db->setQuery($query);
if(!$this->_db->query())
{
$this->setError($this->_db->getErrorMsg());
return false;
}
// Store log of vote
$row = $this->getTable('joomgalleryvotes');
$date = JFactory::getDate();
$row->picid = $this->_id;
$row->userid = $this->_user->get('id');
$row->userip = $_SERVER['REMOTE_ADDR'];
$row->datevoted = $date->toMySQL();
$row->vote = $vote;
if(!$row->store())
{
$this->setError($row->getError());
return false;
}
$this->_mainframe->triggerEvent('onJoomAfterVote', array($row, $vote));
return true;
}
/**
* Get new rating for the image voted to refresh detail view
*
* @return object Holds the image rating data
* @since 2.1
*/
public function getRating()
{
$query = $this->_db->getQuery(true)
->select('imgvotes, imgvotesum, '.JoomHelper::getSQLRatingClause().' AS rating')
->from(_JOOM_TABLE_IMAGES)
->where('id = '.$this->_id);
$this->_db->setQuery($query);
return $this->_db->loadObject();
}
}
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