class WebModule extends CWebModule{
    public function __call($name, $arguments)
    {
        if(array_key_exists($name, $this->accessibleFunctions))
        {
            if(!Yii::app()->user->hasState('__' . $name))
            {
                $state = Yii::app()->user->checkAccess($this->accessibleFunctions[$name]);
                Yii::app()->user->setState('__' . $name, $state);
            }
            return Yii::app()->user->getState('__' . $name);
        }

        throw new RuntimeException('Method does not exist!');

    }
    public function isAccessible() {
        foreach($this->accessibleFunctions as $name=>$authItem)
        {
            if($this->$name() == true)
                return true;
        }
        return false;
    }
}

class CrmModule extends WebModule
{
    public $accessibleFunctions = array(
        'isCustomerAccessible'=>'view.own.customer',
        'isContactAccessible'=> 'view.own.contact',
        'isLeadAccessible' => 'view.own.lead',
        'isSlaAccessible' => 'view.own.sla',
    );
}