<?PHP
  if(!defined('PAGES_INC')) {
    define('PAGES_INC', 1);
    
    include('code/db.inc.php');
    include('code/user.inc.php');
    include('code/handlers.inc.php');
    
    class Pages {
      function Get($name, $type, $extra = null) {
        if(!$this->Exists($name, $type))
      	  return array('title' => $name,
                       'content' => ErrorMessage('PageNotFound', array('page' => $name)));
        
        $res = $GLOBALS['db']->Query('SELECT id, handler, data FROM pages WHERE name = ? AND type = ?', array($name, $type));
        
        if(!$this->HasAccess($name, $type))
      	  return array('title' => $name,
                       'content' => ErrorMessage('Forbidden', array('page' => $name)));
        
        parse_str($res->fields[2], $data);
        $data = array_map('stripslashes', $data);
        if($extra) $data = array_merge($data, $extra);
        $data['_id'] = $res->fields[0];
        $data['_page'] = $name;
        
        return $GLOBALS['handlers'][$res->fields[1]]->Get($data);
      }
      
      function Edit($name, $type) {
        if(!$this->Exists($name, $type))
      	  return array('title' => $name,
                       'content' => ErrorMessage('PageNotFound', array('page' => $name)));
        
        $res = $GLOBALS['db']->Query('SELECT id, handler, data FROM pages WHERE name = ? AND type = ?', array($name, $type));
        
        if(!$GLOBALS['user']->IsAdmin())
      	  return array('title' => $name,
                       'content' => ErrorMessage('Forbidden', array('page' => $name)));
        
        parse_str($res->fields[2], $data = null);
        $data = array_map('stripslashes', $data);
        $data['_id'] = $res->fields[0];
        $data['_page'] = $name;
        
        return $this->Get($res->fields[1], 'e', array('_data' => $data));
      }
      
      function Exists($name, $type) {
        $res = $GLOBALS['db']->Query('SELECT id FROM pages WHERE name = ? AND type = ?', array($name, $type));
        
        return ($res->RecordCount() > 0);
      }
      
      function HasAccess($name, $type) {
        $res = $GLOBALS['db']->Query('SELECT access FROM pages WHERE name = ? AND type = ?', array($name, $type));
        
        return ($GLOBALS['user']->IsAdmin() || ($res->fields[0] & (1 << $GLOBALS['user']->GetGid())) != 0);
      }
    }
    
    $pages = new Pages;
  }
?>