php include HOST_ROOT kernel prototypes tree_structure php function ar

<?php
	include HOST_ROOT.'kernel/prototypes/tree_structure.php';
	
	function articles () {
		
		$Articles = new Articles();
		$Articles->__set('object', $Articles);
		$Articles->process();
		return $Articles->__get('output');
	}
	
	class Articles EXTENDS dynamicModule {
		
		protected $catId = 0;
		protected $artId = 0;
		protected $url	 = null;
		
		protected $structure = null;
		
		public function detectAction() {
			
			Meta::addPath('<a href="'.HTTP_ROOT.'/articles/">Статьи</a>');
			$this->structure = new ArticlesStructure();
			
			$matches = array();
			
			if($_SERVER['REQUEST_URI'] == '/articles/') {
				$this->catId	= 0;
				$this->action	= 'getCategories';
				
			} elseif(preg_match('!/articles/(.*)?/!', $_SERVER['REQUEST_URI'], $matches) && strpos($_SERVER['REQUEST_URI'], '.html') === false) {
				
				if(isset($matches[1])) {
					$this->url = $matches[1];
					$this->action = 'listCategory';
				}
			} elseif(preg_match('!/(.*)?.html!', $_SERVER['REQUEST_URI'], $matches)) {
				
				$url = explode('/', $matches[1]);
				$index = sizeof($url);
				$this->url = $url[$index-1];
				
				$this->action = 'getArticle';
			} else {
				header('HTTP/1.0 404 Not Found');
				header('Location: '.HTTP_ROOT.'/errors/404.html');
			}
			
		}
		
		protected function getCategories() {
			
			$categories = $this->structure->listNodes($this->catId);
			
			if(is_array($categories) && sizeof($categories)) {
			
				$catWrapper = Template::getView(HOST_ROOT.'app/modules/articles/views/wrapper.categories.list');
				$catItem	= Template::getView(HOST_ROOT.'app/modules/articles/views/single.categories.list');
			
				$cats = '';
			
				foreach ($categories as $category) {
					$cats .= Template::mountVars($catItem, $category);
				}
			
				$this->output .= Template::wrapContent($catWrapper, $cats);
				unset($category, $categories, $catItem, $catWrapper);
			} 
		}
		protected function createCategory() {
			
			$data['title']			= addslashes($_POST['title']);
			$data['description']	= addslashes($_POST['description']);
			$data['parent_id']		= (int) $_POST['parent_id'];
			
			$this->structure->addNode($data);
		}
		protected function updateCategory() {
			
			$data['title']			= addslashes($_POST['title']);
			$data['description']	= addslashes($_POST['description']);
			$data['parent_id']		= (int) $_POST['parent_id'];
			$data['url']			= addslashes($_POST['url']);
			
			$this->structure->saveNode((int) $_POST['cat_id'], $data);
		}
		
		protected function listCategory() {
			
			$query = 'SELECT `id` FROM %sinfo_categories WHERE url="'.$this->url.'"';
			$category = $this->db->getItem($query);
			
			$this->catId = isset($category['id']) ? (int) $category['id'] : 0;
			$this->getCategories();
			$this->getArticles();
		}
		
		protected function getArticles() {
			
			$articles = $this->structure->listItems($this->catId);
			
			if(!is_array($articles) || !sizeof($articles)) {
				
				$this->output = 'Ошибка! Данная категория не содержит материалов!<br />
								Вы можете вернуться к предыдущей странице и выбрать другую ссылку.';
				return ;
			}
			
			
			$artWrapper = Template::getView(HOST_ROOT.'app/modules/articles/views/wrapper.articles.list');
			$artItem	= Template::getView(HOST_ROOT.'app/modules/articles/views/single.articles.list');
			
			$articlesList = '';
			
			foreach ($articles as $article) {
				$articlesList .= Template::mountVars($artItem, $article);
			}
			
			$articlesList = Template::wrapContent($artWrapper, $articlesList);
			
			// Additional Data
			$data['REQUEST_URI'] = $_SERVER['REQUEST_URI'];
			$this->output = Template::mountVars($articlesList, $data);
		}
	
		protected function getArticle() {
			
			$query = sprintf('SELECT * FROM %sinfo_articles WHERE url="%s"', DB_PREFIX, $this->url);
			$article = $this->db->getItem($query);
			
			print_r($article);
		}
	}
	
	class ArticlesStructure EXTENDS TreeStructure  {

		protected function setData() {
			$this->_Q_NODES_TABLE = 'info_categories';
			$this->_Q_ITEMS_TABLE = 'info_articles';
		}
		
	}