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<?php
/**
* @package FLEXIcontent
* @version 3.3
*
* @author Emmanuel Danan, Georgios Papadakis, Yannick Berges, others, see contributor page
* @link https://flexicontent.org
* @copyright Copyright © 2018, FLEXIcontent team, All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
defined('_JEXEC') or die('Restricted access');
use Joomla\String\StringHelper;
use Joomla\Utilities\ArrayHelper;
use Joomla\CMS\Table\Table;
require_once('base/baselist.php');
/**
* Flexicontent Component Tagelement Model
*
*/
class FlexicontentModelTagelement extends FCModelAdminList
{
/**
* Record database table
*
* @var string
*/
var $records_dbtbl = 'flexicontent_tags';
/**
* Record jtable name
*
* @var string
*/
var $records_jtable = 'flexicontent_tags';
/**
* Column names
*/
var $state_col = 'published';
var $name_col = 'name';
var $parent_col = null;
var $created_by_col = null;
/**
* (Default) Behaviour Flags
*/
protected $listViaAccess = false;
protected $copyRelations = false;
/**
* Search and ordering columns
*/
var $search_cols = array(
'FLEXI_NAME' => 'name',
'FLEXI_ALIAS' => 'alias',
);
var $default_order = 'a.name';
var $default_order_dir = 'ASC';
/**
* List filters that are always applied
*/
var $hard_filters = array();
/**
* Record rows
*
* @var array
*/
var $_data = null;
/**
* Rows total
*
* @var integer
*/
var $_total = null;
/**
* Pagination object
*
* @var object
*/
var $_pagination = null;
/**
* Constructor
*
* @since 3.3.0
*/
public function __construct($config = array())
{
$app = JFactory::getApplication();
$jinput = $app->input;
$option = $jinput->getCmd('option', '');
$view = $jinput->getCmd('view', '');
$layout = $jinput->getString('layout', 'default');
$fcform = $jinput->getInt('fcform', 0);
// Make session index more specific ... (if needed by this model)
//$this->view_id = $view . '_' . $layout;
// Call parent after setting ... $this->view_id
parent::__construct($config);
$p = $this->ovid;
/**
* View's Filters
* Inherited filters : filter_state, search
*/
// Various filters
$filter_assigned = $fcform ? $jinput->get('filter_assigned', '', 'cmd') : $app->getUserStateFromRequest($p . 'filter_assigned', 'filter_assigned', '', 'cmd');
$this->setState('filter_assigned', $filter_assigned);
$app->setUserState($p . 'filter_assigned', $filter_assigned);
// Manage view permission
$this->canManage = FlexicontentHelperPerm::getPerm()->CanTags;
}
/**
* Method to build the query for the records
*
* @return JDatabaseQuery The DB Query object
*
* @since 3.3.0
*/
protected function getListQuery()
{
// Create a query with all its clauses: WHERE, HAVING and ORDER BY, etc
$query = parent::getListQuery()
->select(
'CASE WHEN CHAR_LENGTH(a.alias) THEN CONCAT_WS(\':\', a.id, a.alias) ELSE a.id END as slug'
)
;
/**
* Get assignments
*/
$filter_order = $this->getState('filter_order');
$filter_assigned = $this->getState('filter_assigned');
// Join to get assignments
if ($filter_assigned || $filter_order == 'nrassigned')
{
$query->leftJoin('#__flexicontent_tags_item_relations AS rel ON rel.tid = a.id');
}
// Select to get assignments
if ($filter_order === 'nrassigned')
{
$query->select('(SELECT COUNT(rel.tid) FROM #__flexicontent_tags_item_relations AS rel WHERE rel.tid = a.id GROUP BY a.id) AS nrassigned');
}
/**
* Because of multi-multi tag-item relations it is faster to calculate this with a single seperate query
* if it was single mapping e.g. like it is 'item' TO 'content type' or 'item' TO 'creator' we could use a subquery
* the more tags are listed (query LIMIT) the bigger the performance difference ...
*/
// ... by using method *::getAssignedItems()
return $query;
}
/**
* Method to build the where clause of the query for the records
*
* @param JDatabaseQuery|bool $q DB Query object or bool to indicate returning an array or rendering the clause
*
* @return JDatabaseQuery|array
*
* @since 3.3.0
*/
protected function _buildContentWhere($q = false)
{
// Inherited filters : filter_state, search
$where = parent::_buildContentWhere(false);
if ($q instanceof \JDatabaseQuery)
{
return $where ? $q->where($where) : $q;
}
return $q
? ' WHERE ' . (count($where) ? implode(' AND ', $where) : ' 1 ')
: $where;
}
/**
* Method to build the having clause of the query for the files
*
* @param JDatabaseQuery|bool $q DB Query object or bool to indicate returning an array or rendering the clause
*
* @return JDatabaseQuery|array
*
* @since 1.0
*/
protected function _buildContentHaving($q = false)
{
$having = parent::_buildContentHaving(false);
$filter_assigned = $this->getState('filter_assigned');
$rel_col = 'rel.tid';
switch ($filter_assigned)
{
case 'O':
$having[] = 'COUNT(' . $rel_col . ') = 0';
break;
case 'A':
$having[] = 'COUNT(' . $rel_col . ') > 0';
break;
}
if ($q instanceof \JDatabaseQuery)
{
return $having ? $q->having($having) : $q;
}
return $q
? ' HAVING ' . (count($having) ? implode(' AND ', $having) : ' 1 ')
: $having;
}
/**
* START OF MODEL SPECIFIC METHODS
*/
/**
* Method to count assigned items for the given categories
*
* @return string
*
* @since 1.6
*/
public function getAssignedItems($tids)
{
if (empty($tids))
{
return array();
}
// Select the required fields from the table.
$query = " SELECT rel.tid, COUNT(rel.itemid) AS nrassigned"
. " FROM #__flexicontent_tags_item_relations AS rel"
. " WHERE rel.tid IN (" . implode(",", $tids) . ") "
. " GROUP BY rel.tid";
$assigned = $this->_db->setQuery($query)->loadObjectList('tid');
return $assigned;
}
}