gistfile1.php

/*
	* get user roles
	*/
	public function getRoles(){
		
		$roles = array();
		
		$sql = sprintf('select itemname from %s where userid = %d', Yii::app()->authManager->assignmentTable, Yii::app()->user->id);
		
		//cache dependency
		$dependency = new CDbCacheDependency('SELECT MAX(lastModified) FROM ' . Yii::app()->authManager->assignmentTable);
		
		foreach (array_values(Yii::app()->db->cache(86400, $dependency)->createCommand($sql)->queryAll()) as $row)
			$roles[] = $row['itemname'];
			
		//add default roles to user if has no role
		if (empty($roles))
			$roles[] = Yii::app()->user->isGuest ? 'guest' : 'authenticated';
		
		return $roles;
	}