redirect_manager.inc

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<?php
class RedirectManager
{
     function RedirectManager()
     {
 
     }
 
     static function setDefaults()
     {
          //TODO: Set default configuration parameters here
     }
 
 
 
     static function upgradeComponent($version)
     {
          $mgr = new RedirectUpgradeManager();
          $mgr->upgrade($version);
     }
     
     static function handleRedirects($identifier)
     {
          global $section;
          $path = "";
          if ($section->section != "/") $path .= "/" . $section->section;
          $path .= "/" . $identifier;
          
          trace("Redirect: $path", 3);
          
          try
          {
               $redirect = Query::create(Redirect, "WHERE redirect_from=:p")
                                    ->bind(":p", $path)
                                    ->executeSingle();
               
               if ($redirect->preserve_query_string)
               {
                    $redirect = (strpos($redirect->redirect_to, "?") === false) ?
                                        $redirect->redirect_to."?".getCleanQueryString() : 
                                        $redirect->redirect_to."&".getCleanQueryString();
                    redirect($redirect);
               }
               else
               {
                    redirect($redirect->redirect_to);
               }
          }
          catch(DataNotFoundException $e)
          {
                    
          }
     
          return $identifier;
     }
          
     static function handleSectionRedirects()
     {
          $redirects = Query::create(Redirect, "WHERE active=1 AND redirect_from=:p")
                               ->bind(":p", Fakoli::$requestURI)
                               ->execute();
          if (count($redirects) > 0)
          {
               redirect($redirects[0]->redirect_to);
          }
     }
     
     static function handleOverrides($identifier)
     {
          global $section;
          $path = "";
          if ($section->section != "/") $path .= "/" . $section->section;
          $path .= "/" . $identifier;
     
          trace("Redirect: $path", 3);
     
          $overrides = Cache::get("resource_overrides");
          
          if (!$overrides)
          {
               $overrides = IndexedQuery::create(Redirect, "WHERE override=1 and active=1", "redirect_from")->execute();
               Cache::put("resource_overrides", $overrides);
          }
          
          if (array_key_exists($path, $overrides))
          {
               $redirect = $overrides[$path];
               
               if ($redirect->exempt_roles && checkRole($redirect->exempt_roles)) return;
               if ($redirect->exemption_flag && $_SESSION[$redirect->exemption_flag]) return;
               
               if ($redirect->preserve_query_string)
               {
                    $redirect = (strpos($redirect->redirect_to, "?") === false) ?
                    $redirect->redirect_to."?".getCleanQueryString() :
                    $redirect->redirect_to."&".getCleanQueryString();
                    redirect($redirect);
               }
               else
               {
                    redirect($redirect->redirect_to);
               }
          }
     }
     
 
     static function registerSerializationHandler()
     {
          SerializationManager::registerHandler("redirect", "Redirect Rules", new SimpleSerializationHandler(Redirect));
          return true;
     }
}
?>