gistfile1.php

public function login() {
		
		$this->autoRender = false;
		
		if ($this->request->is('ajax')) {
			$this->layout = 'ajax';
		} else {
			debug('pobrema');
		}
		
		$response['role'] = 'erro';
		
		// login
		$this->request->data['password'] = substr($this->request->data['username'], 0, 4);
		
		if ($this->request->is ( 'post' )) {
			$user = $this->Auth->identify();
			if ($user) {
				$this->Auth->setUser ( $user );
				
				$response['role'] = 'client';
				
				//return $this->redirect ( $this->Auth->redirectUrl () );
			}
			$this->Flash->error ( __ ( 'Invalid username or password, try again' ) );
		}
		$this->response->body(json_encode($response));
	}