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<?php
/**
* @package Joomla
* @subpackage Membership Pro
* @author Tuan Pham Ngoc
* @copyright Copyright (C) 2012 - 2026 Ossolution Team
* @license GNU/GPL, see LICENSE.php
*/
defined('_JEXEC') or die;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Pagination\Pagination;
use Joomla\Database\DatabaseQuery;
class OSMembershipModelCategories extends MPFModelList
{
/**
* Method to get categories data
*
* @param bool $returnIterator
*
* @access public
* @return array
*/
public function getData($returnIterator = false)
{
// Lets load the content if it doesn't already exist
if (empty($this->data))
{
$db = $this->getDbo();
$query = $db->getQuery(true);
$this->buildQueryColumns($query)
->buildQueryFrom($query)
->buildQueryJoins($query)
->buildQueryWhere($query)
->buildQueryGroup($query)
->buildQueryOrder($query);
$db->setQuery($query);
$rows = $db->loadObjectList();
$children = [];
// first pass - collect children
if (count($rows))
{
foreach ($rows as $v)
{
$pt = $v->parent_id;
$list = @$children[$pt] ? $children[$pt] : [];
array_push($list, $v);
$children[$pt] = $list;
}
}
$list = HTMLHelper::_('menu.treerecurse', 0, '', [], $children, 9999);
$total = count($list);
$this->pagination = new Pagination($total, $this->state->limitstart, $this->state->limit);
// slice out elements based on limits
$list = array_slice($list, $this->pagination->limitstart, $this->pagination->limit);
$this->data = $list;
}
return $this->data;
}
/**
* Builds SELECT columns list for the query
*/
protected function buildQueryColumns(DatabaseQuery $query)
{
$query->select('tbl.*, vl.title AS access_level')
->select('IFNULL(COUNT(p.id), 0) AS number_plans');
return $this;
}
/**
* Builds LEFT JOINS clauses for the query
*/
protected function buildQueryJoins(DatabaseQuery $query)
{
$query->leftJoin('#__osmembership_plans AS p ON tbl.id = p.category_id')
->leftJoin('#__viewlevels AS vl ON vl.id = tbl.access');
return $this;
}
/**
* Build query group
*
* @param DatabaseQuery $query
*
* @return $this|OSMembershipModelCategories
*/
protected function buildQueryGroup(DatabaseQuery $query)
{
$query->group('tbl.id');
return $this;
}
}