Customized Login control

login.php

	public function signup($data,$form){
		
	Debug::show($data);		
	//get the Rego and Password
	$rego=$data['RegoNo'];
	$pwd=$data['Password'];
	$flag=$this->validuser($rego,$pwd);
	Debug::show($flag);
	
	if ($flag !=true)
	{
		$msg="password wrong or wrong username";
		//Warning:: password wrong or wrong username
return $this->renderWith(array('Error','Page'));

	}else{
		
		// true
		//Save Into Session Object
		Session::set('Login', true);
		Director::redirect('/iwi-register');
	}
	
	}
	public function validuser($rego,$password)
		{
			Debug::show($password);
		//do database query 
	$selecte_user =	DataObject::get_one('User',"RegNo = '".$rego."'",'','','');
	
	Debug::show($selecte_user);
	
	if (isset($selecte_user))
		{
		//testing password
		$pwdInsystem=$selecte_user->Password;
		
		Debug::show($pwdInsystem);
		return ($pwdInsystem == $password) ? true : false ;
			
		}else {
			return false;
		}

		}