<?
class items extends dao {
	
	var $db;
	var $seo;
	
	function __construct(){
		parent::__construct();
		$this->seo = new seo();
	}
	
	/**
	 * @desc GET AN ITEM
	 * @param tablename, item_id/modrewrite, array where statement, limit (int,int)
	 */
	function getItem($item, $table='pages', $where=false, $sort=false, $limit=false){

		$query = 	"SELECT t.*, COUNT(sub.`id`) AS c_subitems  FROM `".$table."` AS t ";
		$query .= " LEFT JOIN ".$table." AS sub ON (sub.link_id = t.`id`)  ";
		$filter = array();
		
		if(is_numeric($item)) {
			$query .= "WHERE t.`id` = ?";
			$filter[] = $item;
		} else {
			$query .= "WHERE `modrewrite` = ? ";
			$filter[] = $item;
		} 
		
		
		if($where != false){			
			foreach($where as $statement=>$value){
				$query .= 	"AND WHERE `".$statement."` = ? ";
				$filter[] = $value;
			}
		}
		
		if($sort !=false)
			$query .= "ORDER BY ".$sort." ";
		
		if($limit !=false)
			$query .= "LIMIT ".$limit." ";

		if( $item = $this->db->rawQuery($query, $filter) ){
			$item = $item[0];
	
			if($item){
				$item['title'] = $this->c_content->get( $item['c_title_id'] ); 
				$item['modrewrite'] = $this->c_content->get( $item['c_modrewrite_id'] ); 
				$item['content']  = $this->c_content->get($item['c_content_id']);
				$item['intro']  = (!empty($item['c_intro_id'])) ? $this->c_content->get($item['c_intro_id']) : '';
				
				$item['images'] = $this->getImages($item['id'], $table);
				$item['seo']	= $this->seo->get_seo( $table, $item['id']);	
				$item['subitems'] = $this->getItems($item['id']);
			}
			
			return $item;
		} else {
			return FALSE;
		}
	}
	
	function getItems($iLink=false, $where=false, $sort='sort', $limit=false,$table='pages'){
		$query = 	"SELECT t.id FROM `".$table."` AS t WHERE 1";
		$data = NULL; 
		
		if(is_numeric($iLink)){			
			$query .= 	" AND t.`link_id` = ?";
			$data[] = $iLink;
		}
		if($where != false){	
			foreach($where as $statement=>$value){
				$query .= " AND  t.`".$statement."` = ? ";
				$data[] = $value;
			}
		}		
		
		$query .= " GROUP BY t.`id` ";
		
		if($sort !=false)
			$query .= " ORDER BY t.".$sort." ";
		
		if($limit !=false)
			$query .= "LIMIT ".$limit." ";
		
		
		$items = $this->db->rawQuery($query, $data);
		
		for($i=0;$i<count($items);$i++){
			$items[$i] = $this->getItem( (int)$items[$i]['id'], $table);			
		}
		return $items;
	}
	
	
	function getImages($id,$module="pages"){
		$query = 	"SELECT * FROM `images` WHERE `item_id` = ? AND `module` =  ? ORDER BY `sort`";		
		if($result = $this->db->rawQuery($query, array($id, $module))){
			foreach($result as $key=>$res){
				$result[$key]['description'] = $this->c_content->get( $res['c_description_id'] );
			}
			return $result;
		} else {  
			return false;
		}
	}
	function getFiles($id,$module='pages'){
		$query =  "SELECT * FROM `files` WHERE `item_id` = ? AND `module` =  ? ORDER BY `sort`";     
        if($result = $this->db->rawQuery($query, array($id, $module))){
            foreach($result as $key=>$res){
                $result[$key]['description'] = $this->c_content->get( $res['c_description_id'] );
            }
            return $result;
        } else {  
            return false;
        }
	}
	
	public function add( $title, $parent = 0, $table='pages' )
	{
		// insert / get content ID
		$c_title_id = $this->c_content->add(array( $this->c_content->get_first_id() => $title));
				
		// create slug
		$slug = slugify($title);
		$c_modrewrite_id = $this->c_content->add( array( $this->c_content->get_first_id() => $slug) );
		
		// get last sort
		$query = 'SELECT `sort` FROM `'.$table.'` WHERE `link_id` = '.$parent.' ORDER BY `sort` DESC';
		$result = $this->db->rawQuery($query);
		$sort = (!empty($result[0])) ? ($result[0]['sort']+1) : 0;
		
		// insert item
		$pages_id = $this->db->insert('`'.$table.'`', array(
			'c_title_id' => $c_title_id,
			'c_modrewrite_id' => $c_modrewrite_id,
			'c_specs_id' => 0,
			'new' => 0,
			'link_id' => $parent,
			'sort'=>$sort
		));
		
		return $pages_id;
		
	}
	
	public function delete( $id, $module="pages" ){
	    if( $id < 1 ) return false;
	    
		global $imageHandler; 
		
		$item = $this->getItem($id, $module);
		if( empty($item) ) return FALSE;
		
				
		// delete content
		$this->c_content->delete($item['c_title_id']);
		$this->c_content->delete($item['c_modrewrite_id']);
		$this->c_content->delete($item['c_intro_id']);
		$this->c_content->delete($item['c_content_id']);		
		
		// delete images
		$images = $this->getImages( $id, $module );
		for($i=0; $i<count($images); $i++){
			$imageHandler->delete($images[$i]['images_id']);
		}
			
		// delete item		
		$this->db->where( 'id', $id);
		return $this->db->delete( $module );
		
	}
	
	/**
	 * Save item
	 */
	public function save( $table = 'table', $id, $post )
	{
                	
		// get item
		$item = $this->getItem($post['id'], $table);
		
		$update = array();
		
		// update title, slug, intro & content
		$update['c_title_id'] = $this->c_content->save( $item['c_title_id'], $post['title'] );
		$update['c_modrewrite_id'] = $this->c_content->save( $item['c_modrewrite_id'], slugify($post['title']) );
		if( !empty($post['intro']) )	$update['c_intro_id'] = $this->c_content->save( $item['c_intro_id'], $post['intro'] );
		if( !empty($post['content']) )	$update['c_content_id'] = $this->c_content->save( $item['c_content_id'], $post['content'] );
		if( !empty($post['url']) )	$update['c_url_id'] = $this->c_content->save( $item['c_url_id'], $post['url'] );
        if( !empty($post['specs']) )  $update['c_specs_id'] = $this->c_content->save( $item['c_specs_id'], $post['specs'] );
        
		
		// update basic info		
		foreach( $post as $col=>$val ){
		    // check if field exists in DB 
            if( $this->db->checkColumn($table, $col) === TRUE ){
               $update[$col] = $val;
            } 
		}
                
		
		$this->db->where( 'id', $id );
		$this->db->update('`'.$table.'`', $update);
		
		// update image descriptions
		if( !empty($post['images']) ){
			global $imageHandler;
			foreach($post['images'] as $images_id=>$data){
			    if( !empty($post['images_language_id'][$images_id]) ){
				    $imageHandler->update( $images_id, $post['images_language_id'][$images_id], $data );
                }
			}
		}
        
        
        // update file descriptions
        if( !empty($post['files']) ){
            global $fileHandler;
            foreach($post['files'] as $files_id=>$data){
                if( isset($post['files_language_id'][$files_id]) ){
                    $fileHandler->update( $files_id, $post['files_language_id'][$files_id], $data );
                }
            }
        }
        
		// update SEO
		if( !empty($post['seo']) ){
			$this->seo->save( $table, $id, $post['seo'] );
		}
		
		return TRUE;
		
	}
	
	/** 
	 * Rearange order items
	 */
	public function saveOrder( $table, $post )
	{
		$updated = 0;
		if( is_array($post) ){
			foreach($post as $order=>$id){
				$id = preg_replace("/[^0-9]+/", "", $id);
				$this->db->where( 'id', $id );
				$this->db->update('`'.$table.'`', array('sort'=>$order));
				$updated++;
			}
		}	 	
		return $updated;
	}
	
}
?><?
class tracker {
	
	var $trackback;
	
	public function __construct(){
		
		$this->_setTracker();
	}
	
	public function getTracker( $index = null ){
		if( is_numeric($index) ){
			if( isset($this->trackback[$index]) ){
				return $this->trackback[$index];
			} else {
				return array();
			}
		}
		return $this->trackback;
	}
	
	private function _setTracker(){
		if( !empty($_REQUEST['slug']) ){
			$this->trackback = explode('/', $_REQUEST['slug']);				
		} else {
			$this->trackback = array();
		}
		return $this->trackback;
	}
	
}
<?
class navigation extends db {
	
	var $itemDAO;
	
	function __construct(){	
		$this->itemDAO = new items();
	}
	
	function getPage($tracker){	
		
		if(!is_array($tracker))
			$tracker = array();
		
		$activeItem = end($tracker);		
				
		$item 			= $this->itemDAO->getItem($activeItem);
		$item['sub'] 	= $this->itemDAO->getSubItems($item);
		$item['images'] = $this->itemDAO->getImages($item);
		$item['files'] 	= $this->itemDAO->getFiles($item);
		
		return $item;
	}
	
}
?>