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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Categories;
use Joomla\CMS\Factory;
use Joomla\CMS\Object\CMSObject;
use Joomla\CMS\Tree\NodeInterface;
use Joomla\CMS\Tree\NodeTrait;
use Joomla\Registry\Registry;
// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Helper class to load Categorytree
*
* @since 1.6
*/
class CategoryNode extends CMSObject implements NodeInterface
{
use NodeTrait;
/**
* Primary key
*
* @var integer
* @since 1.6
*/
public $id;
/**
* The id of the category in the asset table
*
* @var integer
* @since 1.6
*/
public $asset_id;
/**
* The id of the parent of category in the asset table, 0 for category root
*
* @var integer
* @since 1.6
*/
public $parent_id;
/**
* The lft value for this category in the category tree
*
* @var integer
* @since 1.6
*/
public $lft;
/**
* The rgt value for this category in the category tree
*
* @var integer
* @since 1.6
*/
public $rgt;
/**
* The depth of this category's position in the category tree
*
* @var integer
* @since 1.6
*/
public $level;
/**
* The extension this category is associated with
*
* @var integer
* @since 1.6
*/
public $extension;
/**
* The menu title for the category (a short name)
*
* @var string
* @since 1.6
*/
public $title;
/**
* The alias for the category
*
* @var string
* @since 1.6
*/
public $alias;
/**
* Description of the category.
*
* @var string
* @since 1.6
*/
public $description;
/**
* The publication status of the category
*
* @var boolean
* @since 1.6
*/
public $published;
/**
* Whether the category is or is not checked out
*
* @var boolean
* @since 1.6
*/
public $checked_out;
/**
* The time at which the category was checked out
*
* @var string
* @since 1.6
*/
public $checked_out_time;
/**
* Access level for the category
*
* @var integer
* @since 1.6
*/
public $access;
/**
* JSON string of parameters
*
* @var string
* @since 1.6
*/
public $params;
/**
* Metadata description
*
* @var string
* @since 1.6
*/
public $metadesc;
/**
* Keywords for metadata
*
* @var string
* @since 1.6
*/
public $metakey;
/**
* JSON string of other metadata
*
* @var string
* @since 1.6
*/
public $metadata;
/**
* The ID of the user who created the category
*
* @var integer
* @since 1.6
*/
public $created_user_id;
/**
* The time at which the category was created
*
* @var string
* @since 1.6
*/
public $created_time;
/**
* The ID of the user who last modified the category
*
* @var integer
* @since 1.6
*/
public $modified_user_id;
/**
* The time at which the category was modified
*
* @var string
* @since 1.6
*/
public $modified_time;
/**
* Number of times the category has been viewed
*
* @var integer
* @since 1.6
*/
public $hits;
/**
* The language for the category in xx-XX format
*
* @var string
* @since 1.6
*/
public $language;
/**
* Number of items in this category or descendants of this category
*
* @var integer
* @since 1.6
*/
public $numitems;
/**
* Slug for the category (used in URL)
*
* @var string
* @since 1.6
*/
public $slug;
/**
* Array of assets
*
* @var array
* @since 1.6
*/
public $assets;
/**
* Path from root to this category
*
* @var array
* @since 1.6
*/
protected $_path = [];
/**
* Flag if all children have been loaded
*
* @var boolean
* @since 1.6
*/
protected $_allChildrenloaded = false;
/**
* Constructor of this tree
*
* @var Categories
* @since 1.6
*/
protected $_constructor;
/**
* Class constructor
*
* @param array $category The category data.
* @param Categories $constructor The tree constructor.
*
* @since 1.6
*/
public function __construct($category = null, $constructor = null)
{
if ($category) {
$this->setProperties($category);
if ($constructor) {
$this->_constructor = $constructor;
}
}
}
/**
* Set the parent of this category
*
* If the category already has a parent, the link is unset
*
* @param NodeInterface $parent CategoryNode for the parent to be set or null
*
* @return void
*
* @since 1.6
*/
public function setParent(NodeInterface $parent)
{
if (!\is_null($this->_parent)) {
$key = array_search($this, $this->_parent->_children);
unset($this->_parent->_children[$key]);
}
$this->_parent = $parent;
$this->_parent->_children[] = &$this;
if (\count($this->_parent->_children) > 1) {
end($this->_parent->_children);
$this->_leftSibling = prev($this->_parent->_children);
$this->_leftSibling->_rightsibling = &$this;
}
if ($this->parent_id != 1) {
$this->_path = $parent->getPath();
}
$this->_path[$this->id] = $this->id . ':' . $this->alias;
}
/**
* Get the children of this node
*
* @param boolean $recursive False by default
*
* @return CategoryNode[] The children
*
* @since 1.6
*/
public function &getChildren($recursive = false)
{
if (!$this->_allChildrenloaded) {
$temp = $this->_constructor->get($this->id, true);
if ($temp) {
$this->_children = $temp->getChildren();
$this->_leftSibling = $temp->getSibling(false);
$this->_rightSibling = $temp->getSibling(true);
$this->setAllLoaded();
}
}
if ($recursive) {
$items = [];
foreach ($this->_children as $child) {
$items[] = $child;
$items = array_merge($items, $child->getChildren(true));
}
return $items;
}
return $this->_children;
}
/**
* Returns the right or left sibling of a category
*
* @param boolean $right If set to false, returns the left sibling
*
* @return CategoryNode|null CategoryNode object with the sibling information or null if there is no sibling on that side.
*
* @since 1.6
*/
public function getSibling($right = true)
{
if (!$this->_allChildrenloaded) {
$temp = $this->_constructor->get($this->id, true);
$this->_children = $temp->getChildren();
$this->_leftSibling = $temp->getSibling(false);
$this->_rightSibling = $temp->getSibling(true);
$this->setAllLoaded();
}
if ($right) {
return $this->_rightSibling;
}
return $this->_leftSibling;
}
/**
* Returns the category parameters
*
* @return Registry
*
* @since 1.6
*/
public function getParams()
{
if (!($this->params instanceof Registry)) {
$this->params = new Registry($this->params);
}
return $this->params;
}
/**
* Returns the category metadata
*
* @return Registry A Registry object containing the metadata
*
* @since 1.6
*/
public function getMetadata()
{
if (!($this->metadata instanceof Registry)) {
$this->metadata = new Registry($this->metadata);
}
return $this->metadata;
}
/**
* Returns the category path to the root category
*
* @return array
*
* @since 1.6
*/
public function getPath()
{
return $this->_path;
}
/**
* Returns the user that created the category
*
* @param boolean $modifiedUser Returns the modified_user when set to true
*
* @return \Joomla\CMS\User\User A User object containing a userid
*
* @since 1.6
*/
public function getAuthor($modifiedUser = false)
{
if ($modifiedUser) {
return Factory::getUser($this->modified_user_id);
}
return Factory::getUser($this->created_user_id);
}
/**
* Set to load all children
*
* @return void
*
* @since 1.6
*/
public function setAllLoaded()
{
$this->_allChildrenloaded = true;
foreach ($this->_children as $child) {
$child->setAllLoaded();
}
}
/**
* Returns the number of items.
*
* @param boolean $recursive If false number of children, if true number of descendants
*
* @return integer Number of children or descendants
*
* @since 1.6
*/
public function getNumItems($recursive = false)
{
if ($recursive) {
$count = $this->numitems;
foreach ($this->getChildren() as $child) {
$count += $child->getNumItems(true);
}
return $count;
}
return $this->numitems;
}
/**
* Serialize the node.
*
* @since 4.3.2
*/
public function __serialize()
{
$vars = get_object_vars($this);
// Store constructor as array of options.
if ($this->_constructor) {
$vars['_constructor'] = $this->_constructor->getOptions();
}
return $vars;
}
/**
* Unserialize the node.
*
* @param array $data
*
* @since 4.3.2
*/
public function __unserialize($data)
{
foreach ($data as $key => $value) {
$this->$key = $value;
}
// Restore constructor from array of options.
if ($this->_constructor) {
$this->_constructor = Categories::getInstance($this->_constructor['extension'], $this->_constructor);
}
}
}