onAfterUserUpdate non lancé à l'édition d'utilisateur Hikamarket

<?php
defined('_JEXEC') or die;

class plgSystemUser_group extends JPlugin
{
	
	function setUserGroup($user){
		
		$db = JFactory::getDbo();
		
		$query = $db->getQuery(true);
		$conditions = array(
			$db->quoteName('user_id').' = '.$db->quote(self::getUserCmsId($user->user_id)),
			$db->quoteName('group_id').' != '.$db->quote(8),
			$db->quoteName('group_id').' != '.$db->quote(2),
		);
		$query->delete($db->quoteName('#__user_usergroup_map'));
		$query->where($conditions);
		$db->setQuery($query);
		$result = $db->execute();
		
		$query = $db->getQuery(true);
		$columns = array(
			'user_id',
			'group_id',
		);
		$values = array(
			$db->quote(self::getUserCmsId($user->user_id)),
			$db->quote($user->user_group),
		);
		$query
			->insert($db->quoteName('#__user_usergroup_map'))
			->columns($db->quoteName($columns))
			->values(implode(',', $values));
		$db->setQuery($query);
		$db->execute();
		
	}
	
	function getUserCmsId($user_id){
		
		$db = JFactory::getDbo();
		
		$db->setQuery('SELECT user_cms_id FROM #__hikashop_user WHERE user_id = '.$user_id);
		$user_cms_id = $db->loadResult();
		
		return $user_cms_id;

	}
	
	public function onAfterUserCreate($user){
		self::setUserGroup($user);
	}
	
	public function onAfterUserUpdate($user){
		// echo'<pre>';var_dump($user);echo'</pre>';exit;
		self::setUserGroup($user);
	}
	
	
	public function onBeforeCompileHead(){
		
	}
	
}