public function logout(IWebUser $user)
{
Yii::app()->eventManager->fire(UserEvents::BEFORE_LOGOUT, new UserLogoutEvent(Yii::app()->getUser()));
Yii::log(Yii::t('UserModule.user', 'User {user} was logout!', ['{user}' => $user->getState('nick_name')]), CLogger::LEVEL_INFO, UserModule::$logCategory);
$user->logout();
Yii::app()->eventManager->fire(UserEvents::AFTER_LOGOUT, new UserLogoutEvent());
return true;
}