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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;
use Joomla\CMS\Table\User;
require_once('base/baselist.php');
require_once('base/traitnestable.php');
/**
* FLEXIcontent Component Categories Model
*
*/
class FlexicontentModelCategories extends FCModelAdminList
{
use FCModelTraitNestableRecord;
/**
* Record database table
*
* @var string
*/
var $records_dbtbl = 'categories';
/**
* Record jtable name
*
* @var string
*/
var $records_jtable = 'flexicontent_categories';
/**
* Column names
*/
var $state_col = 'published';
var $name_col = 'title';
var $parent_col = 'parent_id';
var $created_by_col = 'created_user_id';
/**
* (Default) Behaviour Flags
*/
protected $listViaAccess = true;
protected $copyRelations = false;
/**
* Search and ordering columns
*/
var $search_cols = array(
'FLEXI_TITLE' => 'title',
'FLEXI_ALIAS' => 'alias',
'FLEXI_NOTES' => 'note',
);
var $default_order = 'a.lft';
var $default_order_dir = 'ASC';
/**
* List filters that are always applied
*/
var $hard_filters = array('a.extension' => FLEXI_CAT_EXTENSION);
/**
* Record rows
*
* @var array
*/
var $_data = null;
/**
* Rows total
*
* @var integer
*/
var $_total = null;
/**
* Pagination object
*
* @var object
*/
var $_pagination = null;
/**
* Associated record translations
*
* @var array
*/
var $_translations = null;
/**
* Constructor
*
* @since 3.3.0
*/
public function __construct($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, filter_access, filter_lang, filter_author, filter_id, search
*/
// Various filters
$filter_cats = $fcform ? $jinput->get('filter_cats', 0, 'int') : $app->getUserStateFromRequest($p . 'filter_cats', 'filter_cats', 0, 'int');
$filter_level = $fcform ? $jinput->get('filter_level', 0, 'int') : $app->getUserStateFromRequest($p . 'filter_level', 'filter_level', 0, 'int');
$this->setState('filter_cats', $filter_cats);
$this->setState('filter_level', $filter_level);
$app->setUserState($p . 'filter_cats', $filter_cats);
$app->setUserState($p . 'filter_level', $filter_level);
// Association KEY filter
$filter_assockey = $fcform ? $jinput->get('filter_assockey', 0, 'cmd') : $app->getUserStateFromRequest( $p.'filter_assockey', 'filter_assockey', 0, 'cmd' );
$this->setState('filter_assockey', $filter_assockey);
$app->setUserState($p.'filter_assockey', $filter_assockey);
// Manage view permission
$this->canManage = FlexicontentHelperPerm::getPerm()->CanCats;
}
/**
* 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()
;
// Listing associated items
$filter_assockey = $this->getState('filter_assockey');
if ($filter_assockey)
{
$query->innerJoin('#__associations AS assoc ON a.id = assoc.id AND assoc.context = ' . $this->_db->quote('com_categories.item'));
}
/**
* Because of multi-multi category-item relation it is faster to calculate ITEM COUNT with a seperate query
* if it was single mapping e.g. like it is 'item' TO 'content type' or 'item' TO 'creator' we could use a subquery
* the more categories are listed (query LIMIT) the bigger the performance difference ...
*/
//$query->select('(COUNT(*) FROM #__flexicontent_cats_item_relations AS rel WHERE rel.catid = a.id) AS nrassigned');
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, filter_access, filter_lang, filter_author, filter_id, search
$where = parent::_buildContentWhere(false);
// Various filters
$filter_cats = $this->getState('filter_cats');
$filter_level = $this->getState('filter_level');
// Limit category list to those contain in the subtree of the choosen category
if ($filter_cats)
{
$where[] = 'a.id IN (SELECT cat.id FROM #__categories AS cat JOIN #__categories AS parent ON cat.lft BETWEEN parent.lft AND parent.rgt WHERE parent.id = ' . (int) $filter_cats . ')';
}
// Limit category list to those containing CONTENT (joomla articles)
else
{
$where[] = '(a.lft >= ' . $this->_db->Quote(FLEXI_LFT_CATEGORY) . ' AND a.rgt <= ' . $this->_db->Quote(FLEXI_RGT_CATEGORY) . ')';
}
// Listing associated items
$filter_assockey = $this->getState('filter_assockey');
if ($filter_assockey)
{
$where[] = 'assoc.key = ' . $this->_db->quote($filter_assockey);
}
// Filter by depth level
if ($filter_level)
{
$where[] = 'a.level <= ' . (int) $filter_level;
}
if ($q instanceof \JDatabaseQuery)
{
return $where ? $q->where($where) : $q;
}
return $q
? ' WHERE ' . (count($where) ? implode(' AND ', $where) : ' 1 ')
: $where;
}
/**
* Method to find which records are not authorized
*
* @param array $cid Array of record ids to check
* @param int|string $action Either an ACL rule action, or a new state
*
* @return array The records having assignments
*
* @since 3.3.0
*/
public function filterByPermission($cid, $action)
{
return parent::filterByPermission($cid, $action);
}
/**
* Method to find which records having assignments blocking a state change
*
* @param array $cid Array of record ids to check
* @param int|string $action Either an ACL rule action, or a new state
*
* @return array The records having assignments
*
* @since 3.3.0
*/
public function filterByAssignments($cid = array(), $action = -2)
{
global $globalcats;
$cid = ArrayHelper::toInteger($cid);
$cid_list = implode( ',', $cid );
$cid_wassocs = array();
switch ((string)$action)
{
// Delete
case 'core.delete':
$query = 'SELECT DISTINCT catid'
. ' FROM #__flexicontent_cats_item_relations'
. ' WHERE catid IN (' . $cid_list . ')'
;
$cid_wassocs = $this->_db->setQuery($query)->loadColumn();
/**
* Find categories without children
*/
$remaining_cats = array();
$cid_wassocs_flipped = array_flip($cid_wassocs);
// Create an array of categories to examine, do not include categories that have item associations
foreach($cid as $i => $cat_id)
{
if (!isset($cid_wassocs_flipped[$cat_id]))
{
$remaining_cats[$cat_id] = new stdClass;
$remaining_cats[$cat_id]->descendantsarray = !empty($globalcats[$cat_id]->descendantsarray) ? array_flip($globalcats[$cat_id]->descendantsarray) : array();
unset($remaining_cats[$cat_id]->descendantsarray[$cat_id]);
}
}
// Repeat finding categories without children until a complete loop is run without removing any category
do {
$removed = false;
foreach($remaining_cats as $cat_id => $cat)
{
if (!count($cat->descendantsarray))
{
unset($remaining_cats[$cat_id]);
$removed = true;
foreach($remaining_cats as $id => $cat)
{
unset($remaining_cats[$id]->descendantsarray[$cat_id]);
}
}
}
} while ($removed === true);
foreach($remaining_cats as $cat_id => $cat)
{
$cid_wassocs[] = $catid;
}
break;
// Trash, Unpublish
case -2:
case 0:
break;
}
return $cid_wassocs;
}
/**
* Method to get item (language) associations
*
* @param array $ids An array of records is
* @param object $config An object with configuration for getting associations
*
* @return array An array with associations of the records list
*
* @since 3.3.0
*/
public function getLangAssocs($ids = null, $config = null)
{
$config = $config ?: (object) array(
'table' => 'categories',
'context' => 'com_categories.item',
'created' => 'created_time',
'modified' => 'modified_time',
'state' => 'published',
);
return parent::getLangAssocs($ids, $config);
}
/**
* START OF MODEL SPECIFIC METHODS
*/
/**
* Method to count assigned items for the given categories
*
* @param array $cid array of record ids to check
*
* @return array An array of objects with category assignments counts
*
* @since 3.3.0
*/
public function getAssignedItems($cids)
{
if (empty($cids))
{
return array();
}
$query = ' SELECT rel.catid, COUNT(rel.itemid) AS nrassigned'
. ' FROM #__flexicontent_cats_item_relations AS rel'
. ' WHERE rel.catid IN (' . implode(',', $cids) . ')'
. ' GROUP BY rel.catid'
;
return $this->_db->setQuery($query)->loadObjectList('catid');
}
/**
* Method to get parameters of parent categories
*
* @param integer $pk The category id
* @return string An array of JSON strings
*
* @since 3.3.0
*/
public function getParentParams($pk)
{
global $globalcats;
if (empty($pk) || empty($globalcats[$pk]->ancestors))
{
return array();
}
$query = 'SELECT id, params'
. ' FROM #__categories'
. ' WHERE id IN (' . $globalcats[$pk]->ancestors . ')'
. ' ORDER BY level ASC'
;
return $this->_db->setQuery($query)->loadObjectList('id');
}
/**
* Method to count assigned items for the given categories
*
* @access public
* @return string
* @since 1.6
*/
function countItemsByState($cids)
{
if (empty($cids))
{
return array();
}
$query = ' SELECT rel.catid, i.state, COUNT(rel.itemid) AS nrassigned'
. ' FROM #__flexicontent_cats_item_relations AS rel'
. ' JOIN #__content AS i ON i.id=rel.itemid'
. ' WHERE rel.catid IN (' . implode(',', $cids) . ')'
. ' GROUP BY rel.catid, i.state'
;
$data = $this->_db->setQuery($query)->loadObjectList();
$assigned = array();
foreach ($data as $catid => $d)
{
$assigned[$d->catid][$d->state] = $d->nrassigned;
}
return $assigned;
}
}