perbaikan model

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Login_model extends CI_Model{

    public function __construct()
    {
//parent::__construct();
             $this->load->session();
             $this->load->database();
            $this->load->dbforge();
    }

    function validation_login(){
        // filter

        $username = $this->security->xss_clean( $this->input->post('username') );

        $password = $this->security->xss_clean( $this->input->post('password') );

        // seleksi data dari username dan password dan status aktif

        $this->db->where('user_name', $username);

        $this->db->where('user_password', $password);

        $this->db->where('status', '1');

        $rs = $this->db->get('view_user_login');

        // get result row, prepare and create session

        if ( 1 == $rs->num_rows ) {

            $data = $rs->row();

            $vars = array(

                "no"        => $data->no,

                "id_role"   => $data->id_role, // pkey to role

                "role_name" => $data->role_name,

                "user_name" => $data->user_name,

                "no_emp"    => $data->no_emp, // unique to employee

                "name"      => $data->name,

                "validated" => true

                );

            $this->session->set_userdata( $vars );

            return true;

        }
        else {

            return false;

        }

    }

}