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<?php
/**
* @package Joomla.Administrator
* @subpackage com_categories
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Categories Component Categories Model
*
* @since 1.6
*/
class CategoriesModelCategories extends JModelList
{
/**
* Constructor.
*
* @param array $config An optional associative array of configuration settings.
*
* @see JController
* @since 1.6
*/
public function __construct($config = array())
{
if (empty($config['filter_fields']))
{
$config['filter_fields'] = array(
'id', 'a.id',
'title', 'a.title',
'alias', 'a.alias',
'published', 'a.published',
'access', 'a.access', 'access_level',
'language', 'a.language',
'checked_out', 'a.checked_out',
'checked_out_time', 'a.checked_out_time',
'created_time', 'a.created_time',
'created_user_id', 'a.created_user_id',
'lft', 'a.lft',
'rgt', 'a.rgt',
'level', 'a.level',
'path', 'a.path',
'tag'
);
}
parent::__construct($config);
}
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string $ordering An optional ordering field.
* @param string $direction An optional direction (asc|desc).
*
* @return void
*
* @since 1.6
*/
protected function populateState($ordering = null, $direction = null)
{
$app = JFactory::getApplication();
$context = $this->context;
$extension = $app->getUserStateFromRequest('com_categories.categories.filter.extension', 'extension', 'com_content', 'cmd');
$this->setState('filter.extension', $extension);
$parts = explode('.', $extension);
// Extract the component name
$this->setState('filter.component', $parts[0]);
// Extract the optional section name
$this->setState('filter.section', (count($parts) > 1) ? $parts[1] : null);
$search = $this->getUserStateFromRequest($context . '.search', 'filter_search');
$this->setState('filter.search', $search);
$level = $this->getUserStateFromRequest($context . '.filter.level', 'filter_level');
$this->setState('filter.level', $level);
$access = $this->getUserStateFromRequest($context . '.filter.access', 'filter_access');
$this->setState('filter.access', $access);
$published = $this->getUserStateFromRequest($context . '.filter.published', 'filter_published', '');
$this->setState('filter.published', $published);
$language = $this->getUserStateFromRequest($context . '.filter.language', 'filter_language', '');
$this->setState('filter.language', $language);
$tag = $this->getUserStateFromRequest($this->context . '.filter.tag', 'filter_tag', '');
$this->setState('filter.tag', $tag);
// List state information.
parent::populateState('a.lft', 'asc');
// Force a language
$forcedLanguage = $app->input->get('forcedLanguage');
if (!empty($forcedLanguage))
{
$this->setState('filter.language', $forcedLanguage);
$this->setState('filter.forcedLanguage', $forcedLanguage);
}
}
/**
* Method to get a store id based on model configuration state.
*
* This is necessary because the model is used by the component and
* different modules that might need different sets of data or different
* ordering requirements.
*
* @param string $id A prefix for the store id.
*
* @return string A store id.
*
* @since 1.6
*/
protected function getStoreId($id = '')
{
// Compile the store id.
$id .= ':' . $this->getState('filter.search');
$id .= ':' . $this->getState('filter.extension');
$id .= ':' . $this->getState('filter.published');
$id .= ':' . $this->getState('filter.language');
return parent::getStoreId($id);
}
/**
* Method to get a database query to list categories.
*
* @return JDatabaseQuery object.
*
* @since 1.6
*/
protected function getListQuery()
{
// Create a new query object.
$db = $this->getDbo();
$query = $db->getQuery(true);
$user = JFactory::getUser();
// Select the required fields from the table.
$query->select(
$this->getState(
'list.select',
'a.id, a.title, a.alias, a.note, a.published, a.access' .
', a.checked_out, a.checked_out_time, a.created_user_id' .
', a.path, a.parent_id, a.level, a.lft, a.rgt' .
', a.language'
)
);
$query->from('#__categories AS a');
// Join over the language
$query->select('l.title AS language_title')
->join('LEFT', $db->quoteName('#__languages') . ' AS l ON l.lang_code = a.language');
// Join over the users for the checked out user.
$query->select('uc.name AS editor')
->join('LEFT', '#__users AS uc ON uc.id=a.checked_out');
// Join over the asset groups.
$query->select('ag.title AS access_level')
->join('LEFT', '#__viewlevels AS ag ON ag.id = a.access');
// Join over the users for the author.
$query->select('ua.name AS author_name')
->join('LEFT', '#__users AS ua ON ua.id = a.created_user_id');
// Join over the associations.
$assoc = $this->getAssoc();
if ($assoc)
{
$query->select('COUNT(asso2.id)>1 as association')
->join('LEFT', '#__associations AS asso ON asso.id = a.id AND asso.context=' . $db->quote('com_categories.item'))
->join('LEFT', '#__associations AS asso2 ON asso2.key = asso.key')
->group('a.id, l.title, uc.name, ag.title, ua.name');
}
// Filter by extension
if ($extension = $this->getState('filter.extension'))
{
$query->where('a.extension = ' . $db->quote($extension));
}
// Filter on the level.
if ($level = $this->getState('filter.level'))
{
$query->where('a.level <= ' . (int) $level);
}
// Filter by access level.
if ($access = $this->getState('filter.access'))
{
$query->where('a.access = ' . (int) $access);
}
// Implement View Level Access
if (!$user->authorise('core.admin'))
{
$groups = implode(',', $user->getAuthorisedViewLevels());
$query->where('a.access IN (' . $groups . ')');
}
// Filter by published state
$published = $this->getState('filter.published');
if (is_numeric($published))
{
$query->where('a.published = ' . (int) $published);
}
elseif ($published === '')
{
$query->where('(a.published IN (0, 1))');
}
// Filter by search in title
$search = $this->getState('filter.search');
if (!empty($search))
{
if (stripos($search, 'id:') === 0)
{
$query->where('a.id = ' . (int) substr($search, 3));
}
elseif (stripos($search, 'author:') === 0)
{
$search = $db->quote('%' . $db->escape(substr($search, 7), true) . '%');
$query->where('(ua.name LIKE ' . $search . ' OR ua.username LIKE ' . $search . ')');
}
else
{
$search = $db->quote('%' . str_replace(' ', '%', $db->escape(trim($search), true) . '%'));
$query->where('(a.title LIKE ' . $search . ' OR a.alias LIKE ' . $search . ' OR a.note LIKE ' . $search . ')');
}
}
// Filter on the language.
if ($language = $this->getState('filter.language'))
{
$query->where('a.language = ' . $db->quote($language));
}
// Filter by a single tag.
$tagId = $this->getState('filter.tag');
if (is_numeric($tagId))
{
$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId)
->join(
'LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote($extension . '.category')
);
}
// Add the list ordering clause
$listOrdering = $this->getState('list.ordering', 'a.lft');
$listDirn = $db->escape($this->getState('list.direction', 'ASC'));
if ($listOrdering == 'a.access')
{
$query->order('a.access ' . $listDirn . ', a.lft ' . $listDirn);
}
else
{
$query->order($db->escape($listOrdering) . ' ' . $listDirn);
}
return $query;
}
/**
* Method to determine if an association exists
*
* @return boolean True if the association exists
*
* @since 3.0
*/
public function getAssoc()
{
static $assoc = null;
if (!is_null($assoc))
{
return $assoc;
}
$app = JFactory::getApplication();
$extension = $this->getState('filter.extension');
$assoc = JLanguageAssociations::isEnabled();
$extension = explode('.', $extension);
$component = array_shift($extension);
$cname = str_replace('com_', '', $component);
if (!$assoc || !$component || !$cname)
{
$assoc = false;
}
else
{
$hname = $cname . 'HelperAssociation';
JLoader::register($hname, JPATH_SITE . '/components/' . $component . '/helpers/association.php');
$assoc = class_exists($hname) && !empty($hname::$category_association);
}
return $assoc;
}
}
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