Re: read(null,$id) or findById($id) and limit data in associated model

UPDATE:

class BrandsController extends AppController {

var $name = 'Brands';
function view($id = null) {
if (!$id) {
$this->Session->setFlash(__('Invalid brand', true));
$this->redirect(array('action' => 'index'));
}
// Need here some conditions, please help..
$brand = $this->Brand->findById($id);
$this->set('brand',$brand );
}

}

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