Controlador login

<?php
defined('BASEPATH') OR exit('No direct script access allowed');
/**
 * @author ralf
 * @desc Clase Login que contiene autenticación de usuarios
 * **/
class Login extends CI_Controller{

    public function __construct(){
        parent::__construct();
        $this->load->model(array(
            'ion_auth_model'
        ));
        $this->load->library(
            array(
                'ion_auth'
            ));
        $this->load->helper(array('url','language'));
        //$this->form_validation->set_error_delimiters($this->config->item('error_start_delimiter', 'ion_auth'), $this->config->item('error_end_delimiter', 'ion_auth'));
        $this->lang->load('auth');
    }

    public function index(){

        $this->load->helper(array('form', 'url'));
        $this->load->library('form_validation');
        //
        $this->form_validation->set_error_delimiters('<div class="alert alert-danger">', '</div>');
        $this->form_validation->set_rules('inputEmail', 'E-Mail', 'required|trim|valid_email');
        $this->form_validation->set_rules('inputPassword', 'Password', 'required|trim');
        //
        if ($this->form_validation->run() == FALSE){
            $this->load->view("header/login");
            $this->load->view("templates/login");
            $this->load->view("footer/footer_login");
        }else{
            //TRUE del formulario
            $this->input->post('peso');
            $this->input->post('peso');
            $remember = TRUE;
            if($this->ion_auth->login($this->input->post('inputEmail'), $this->input->post('inputPassword'),$remember)){
                redirect('imc/index', 'refresh');
            }else{
                $datos['message'] = "Error, usuario o contrase&ntilde;a incorrecta";
                $this->load->view("header/login");
                $this->load->view("templates/login", $datos);
                $this->load->view("footer/footer_login");
            }

        }

    }
}