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<?php
/**
* @package ZOO
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/**
* Exporter for ZOO version 2
*
* @package Component.Classes.Exporters
*/
class AppExporterZoo2 extends AppExporter {
/**
* The application for which we are running the exporter
*
* @var Application
* @since 2.0
*/
protected $_application;
/**
* The list of categories to export
*
* @var array
* @since 2.0
*/
protected $_categories;
/**
* Reference to the comment table object
*
* @var CommentTable
* @since 2.0
*/
protected $_comment_table;
/**
* Class Constructor
*/
public function __construct() {
parent::__construct();
$this->_name = 'Zoo v2';
}
/**
* Do the real exporting
*
* @return string The JSON dump of the items and categories
*
* @throws AppExporterException
*
* @since 2.0
*/
public function export() {
if (!$this->_application = $this->app->zoo->getApplication()) {
throw new AppExporterException('No application selected.');
}
// export frontpage
$frontpage = $this->app->object->create('Category');
$frontpage->name = 'Root';
$frontpage->alias = '_root';
$frontpage->description = $this->_application->description;
// export categories
$this->_categories = $this->_application->getCategories();
$this->_categories[0] = $frontpage;
foreach ($this->_categories as $category) {
$this->_addCategory($category);
}
// export items
$this->_comment_table = $this->app->table->comment;
$item_table = $this->app->table->item;
foreach ($this->_application->getTypes() as $type) {
foreach ($item_table->getByType($type->id, $this->_application->id) as $key => $item) {
$this->_addItem($item, $type);
$item_table->unsetObject($key);
}
}
return parent::export();
}
/**
* Add a category to the exporing list
*
* @param Category $category The category to export
*
* @return AppExporterZoo2 $this for chaining support
*
* @since 2.0
*/
protected function _addCategory(Category $category) {
// store category attributes
$data = array();
foreach ($this->category_attributes as $attribute) {
if (isset($category->$attribute)) {
$data[$attribute] = $category->$attribute;
}
}
// store category parent
if (isset($this->_categories[$category->parent])) {
$data['parent'] = $this->_categories[$category->parent]->alias;
}
// store category content params
$data['content'] = $category->alias == '_root' ? $this->_application->getParams()->get('content.') : $category->getParams()->get('content.');
// store category metadata params
$data['metadata'] = $category->alias == '_root' ? $this->_application->getParams()->get('metadata.') : $category->getParams()->get('metadata.');
parent::_addCategory($category->name, $category->alias, $data);
}
/**
* Add an item to the exporting list
*
* @param Item $item The item to export
* @param Type $type The type of the item
*
* @return AppExporterZoo2 $this for chaining support
*
* @since 2.0
*/
protected function _addItem(Item $item, Type $type) {
$data = array();
foreach ($this->item_attributes as $attribute) {
if (isset($item->$attribute)) {
$data[$attribute] = $item->$attribute;
}
}
if ($user = $this->app->user->get($item->created_by)) {
$data['author'] = $user->username;
}
$data['tags'] = $item->getTags();
// store item content, metadata, config params
$data['content'] = $item->getParams()->get('content.');
$data['metadata'] = $item->getParams()->get('metadata.');
$data['config'] = $item->getParams()->get('config.');
// add categories
foreach ($item->getRelatedCategoryIds() as $category_id) {
$alias = '';
if (empty($category_id)) {
$alias = '_root';
} else if (isset($this->_categories[$category_id])) {
$alias = $this->_categories[$category_id]->alias;
}
if (!empty($alias)) {
$data['categories'][] = $alias;
}
if ($item->getPrimaryCategoryId() == $category_id) {
$data['config']['primary_category'] = $alias;
}
}
foreach ($item->elements as $identifier => $element_data) {
if (!$element = $type->getElement($identifier)) {
continue;
}
$element_type = $element->getElementType();
switch ($element_type) {
case 'relateditems':
$items = array();
if (isset($element_data['item'])) {
foreach ($element_data['item'] as $item_id) {
$items[] = $this->app->alias->item->translateIDToAlias($item_id);
}
}
$element_data['item'] = $items;
break;
case 'relatedcategories':
$categories = array();
if (isset($element_data['category'])) {
foreach ($element_data['category'] as $category_id) {
$categories[] = isset($this->_categories[$category_id]) ? $this->_categories[$category_id]->alias : $this->app->alias->category->translateIDToAlias($category_id);
}
}
$element_data['category'] = $categories;
break;
}
$data['elements'][$identifier]['type'] = $element_type;
$data['elements'][$identifier]['name'] = $element->config->get('name');
$data['elements'][$identifier]['data'] = $element_data;
foreach ($this->_comment_table->getCommentsForItem($item->id) as $comment) {
foreach ($this->comment_attributes as $attribute) {
if (isset($comment->$attribute)) {
$data['comments'][$comment->id][$attribute] = $comment->$attribute;
}
}
if ($comment->user_type == 'joomla' && ($user = $this->app->user->get($comment->user_id))) {
$data['comments'][$comment->id]['username'] = $user->username;
}
}
}
parent::_addItem($item->name, $item->alias, $type->name, $data);
}
}