controller

    public function editAction($id)
    {
  	$request = $this->request;

		if (!$request->isPost()) {
		
			
            $id = $this->filter->sanitize($id, array("int"));

            $accounts = Accounts::findFirst('id="' . $id . '"');
            if (!$accounts) {
                $this->flash->error("Account was not found");
                return $this->forward("accounts/index");
            }

            $this->view->setVar("id", $accounts->id);

            Tag::displayTo("id", $accounts->id);
            Tag::displayTo("user", $accounts->user);
            Tag::displayTo("pwd", $accounts->pwd);
            Tag::displayTo("group", $accounts->group);
            Tag::displayTo("au", $accounts->au);
			Tag::displayTo("ident", $accounts->ident);
            Tag::displayTo("numusers", $accounts->numusers);
            Tag::displayTo("penalty", $accounts->penalty);						
        } 

    }

    public function saveAction()
    {
        $request = $this->request;
        if (!$request->isPost()) {
            return $this->forward("accounts/index");
        }

        $id = $request->getPost("id", "int");
        $accounts = Accounts::findFirst("id='$id'");
        if ($accounts == false) {
            $this->flash->error("Account does not exist ".$id);
            return $this->forward("accounts/index");
        }

        $accounts->id   	= $request->getPost("id", "int");
        $accounts->user 	= $request->getPost("user");
        $accounts->pwd 		= $request->getPost("pwd");
        $accounts->group 	= trim($request->getPost("group"));
        $accounts->au 		= trim($request->getPost("au"));
		$accounts->ident 	= trim($request->getPost("ident"));
		$accounts->numusers = $request->getPost("numusers");
		$accounts->penalty 	= $request->getPost("penalty");

        if (!$accounts->save()) {
            foreach ($accounts->getMessages() as $message) {
                $this->flash->error((string) $message);
            }

            return $this->forward("accounts/edit".$accounts->id);
        } else {
            $this->flash->success("Account was successfully updated");
            return $this->forward("accounts/index");
        }
    }

model

  public function validation()
    {
        $this->validate(new UniquenessValidator(array(
            'field' => 'user',
            'message' => 'Sorry, That username is already taken'
        )));
		$this->validate(new NumericalityValidator(array(
			'field' => 'numusers',
			'message' => 'Sorry, Number of users wrong'
		)));
		$this->validate(new NumericalityValidator(array(
			'field' => 'penalty',
			'message' => 'Sorry, Penalty value is wrong'
		)));

		$this->validate(new RegexValidator(array(
			'field' => 'ident',
			'pattern' => '/([0-9]{4}:[0-9]{6},?){1,}/'
		)));
		
        if ($this->validationHasFailed() == true) {
            return false;
        }
    }