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<?php
// $HeadURL: https://joomgallery.org/svn/joomgallery/JG-2.0/JG/trunk/components/com_joomgallery/models/usercategories.php $
// $Id: usercategories.php 3810 2012-06-10 16:16:35Z erftralle $
/****************************************************************************************\
** 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 User Categories Model
*
* @package JoomGallery
* @since 1.5.5
*/
class JoomGalleryModelUsercategories extends JoomGalleryModel
{
/**
* Categories data array
*
* @var array
*/
protected $_categories;
/**
* Categories number
*
* @var int
*/
protected $_total = null;
/**
* Constructor
*
* @return void
* @since 1.5.5
*/
public function __construct()
{
parent::__construct();
}
/**
* Retrieve the category data
*
* @return array Array of objects containing the category data
* @since 1.5.5
*/
public function getCategories()
{
if($this->_loadCategories())
{
return $this->_categories;
}
return array();
}
/**
* Method to get the total number of categories
*
* @return int The total number of categories
* @since 1.5.5
*/
public function getTotal()
{
// Let's load the data if it doesn't already exist
if(empty($this->_total))
{
$query = $this->_buildQuery();
$this->_total = $this->_getListCount($query);
}
return $this->_total;
}
/**
* Loads the categories data from the database
*
* @return boolean True on success, false otherwise
* @since 1.5.5
*/
protected function _loadCategories()
{
// Let's load the data if it doesn't already exist
if(empty($this->_categories))
{
jimport('joomla.filesystem.file');
$query = $this->_buildQuery();
// Get the pagination request variables
$limit = JRequest::getInt('limit', 0);
$limitstart = JRequest::getInt('limitstart', 0);
if(!$rows = $this->_getList($query, $limitstart, $limit))
{
return false;
}
$this->_categories = $rows;
}
return true;
}
/**
* Returns the query to get the category rows from the database
*
* @return string The query to be used to retrieve the category rows from the database
* @since 1.5.5
*/
protected function _buildQuery()
{
$query = $this->_db->getQuery(true)
->select('c.cid, c.name, c.owner, c.thumbnail, c.parent_id, c.published, c.hidden')
->select('(SELECT COUNT(cid) FROM '._JOOM_TABLE_CATEGORIES.' AS b WHERE b.parent_id = c.cid) AS children')
->select('(SELECT COUNT(id) FROM '._JOOM_TABLE_IMAGES.' AS a WHERE a.catid = c.cid) AS images')
->from(_JOOM_TABLE_CATEGORIES.' AS c')
->where('parent_id > 0')
// Join over the images for category thumbnail
->select('i.id, i.catid, i.imgthumbname, i.hidden AS imghidden')
->leftJoin(_JOOM_TABLE_IMAGES.' AS i ON ( c.thumbnail = i.id
AND i.published = 1
AND i.approved = 1
AND i.access IN ('.implode(',', $this->_user->getAuthorisedViewLevels()).'))');
// Filter by state
$filter = JRequest::getInt('filter', null);
switch($filter)
{
case 1:
// Published
$query->where('c.published = 1');
break;
case 2:
// Not published
$query->where('c.published = 0');
break;
default:
// No filter by state
break;
}
// A Super User will see all categories if the correspondent backend option is enabled
if(!$this->_config->get('jg_showallpicstoadmin') || !$this->_user->authorise('core.admin'))
{
$query->where('c.owner = '.$this->_user->get('id'));
}
$query->order('c.lft ASC');
return $query;
}
}