public function login(sfAuthUser $user, $remember = false)
 {
     $context = sfContext::getInstance();
     $sfUser = $context->getUser();
     $request = $context->getRequest();
     $response = $context->getResponse();
     $credentials = $user->getAllCredentials();
     $sfUser->setAttribute('user_id', $user->getId(), 'sfAuthUser');
     $sfUser->setAuthenticated(true);
     $sfUser->clearCredentials();
     $sfUser->addCredentials($user->getAllCredentials());
     if ($remember) {
         //generate a hash for the remember_me_hash column
         $user->setRememberMeHash(sfAuthUtil::getHashedPasswordBySaltAndString($user->getUsername(), 'cookie'));
         //Configuration vars
         $expire = sfConfig::get('app_sf_auth_plugin_cookie_expire', 1209600) + time();
         $cookie_name = sfConfig::get('app_sf_auth_plugin_cookie_name', 'sfAuthUserCookie');
         //if the cookie already exists destroy it.
         if ($request->getCookie($cookie_name)) {
             $response->setCookie($cookie_name, '', time() - 3600);
         }
         $response->setCookie($cookie_name, $user->getRememberMeHash(), $expire);
         $user->save();
     }
     //Event dispatcher the user have logged in... Useful for setting Culture
     //etc when a user have logged in that may recide in another table
     $this->dispatcher->notify(new sfEvent($this, 'sf_auth.login'));
 }