how to ion auth with ajax

<--- Controller --->

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

/**
 * Class Auth
 * @property Ion_auth|Ion_auth_model $ion_auth        The ION Auth spark
 * @property CI_Form_validation      $form_validation The form validation library
 */
class Auth extends CI_Controller
{
    public function __construct()
    {
        parent::__construct();
        $this->load->database();
        $this->load->library(array('ion_auth', 'form_validation'));
        $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');
    }

    /**
     * Redirect if needed, otherwise display the user list
     */
    public function index()
    {

        if (!$this->ion_auth->logged_in())
        {
            // redirect them to the login page
            redirect('auth/login', 'refresh');
        }else
        {
            redirect('dashboard');
        }
    }


    public function crsf_ajax()
    {
        $crsf = $this->_get_csrf_nonce();

        echo json_encode(array('crsf' => $crsf));
    }

    function member(){

        if (!$this->ion_auth->logged_in())
        {
            // redirect them to the login page
            redirect('auth/login', 'refresh');
        }
        elseif (!$this->ion_auth->is_admin()) // remove this elseif if you want to enable this for non-admins
        {
            // redirect them to the home page because they must be an administrator to view this
            return show_error('You must be an administrator to view this page.');
        }
        else
        {
            // set the flash data error message if there is one
            $this->data['message'] = (validation_errors()) ? validation_errors() : $this->session->flashdata('message');

            //list the users
            $this->data['tb_users'] = $this->ion_auth->users()->result();
            foreach ($this->data['tb_users'] as $k => $user)
            {
                $this->data['tb_users'][$k]->groups = $this->ion_auth->get_users_groups($user->id)->result();
            }

            $this->template->display('auth/pengguna', $this->data);
        }
    }

    /**
     * Log the user in
     */
    public function login()
    {
        $this->data['title'] = $this->lang->line('login_heading');

        // validate form input
        $this->form_validation->set_rules('identity', str_replace(':', '', $this->lang->line('login_identity_label')), 'required');
        $this->form_validation->set_rules('password', str_replace(':', '', $this->lang->line('login_password_label')), 'required');

        if ($this->form_validation->run() === TRUE)
        {
            // check to see if the user is logging in
            // check for "remember me"
            $remember = (bool)$this->input->post('remember');

            if ($this->ion_auth->login($this->input->post('identity'), $this->input->post('password'), $remember))
            {
                //if the login is successful
                //redirect them back to the home page
                $this->session->set_flashdata('message', $this->ion_auth->messages());
                redirect('/', 'refresh');
            }
            else
            {
                // if the login was un-successful
                // redirect them back to the login page
                $this->session->set_flashdata('message', $this->ion_auth->errors());
                redirect('auth/login', 'refresh'); // use redirects instead of loading views for compatibility with MY_Controller libraries
            }
        }
        else
        {
            // the user is not logging in so display the login page
            // set the flash data error message if there is one
            $this->data['message'] = (validation_errors()) ? validation_errors() : $this->session->flashdata('message');

            $this->data['identity'] = array('name' => 'identity',
                'id' => 'identity',
                'type' => 'text',
                'value' => $this->form_validation->set_value('identity'),
            );
            $this->data['password'] = array('name' => 'password',
                'id' => 'password',
                'type' => 'password',
            );

            $this->_render_page('auth' . DIRECTORY_SEPARATOR . 'login', $this->data);
        }
    }

    /**
     * Log the user out
     */
    public function logout()
    {
        $this->data['title'] = "Logout";

        // log the user out
        $logout = $this->ion_auth->logout();

        // redirect them to the login page
        $this->session->set_flashdata('message', $this->ion_auth->messages());
        redirect('auth/login', 'refresh');
    }

    /**
     * Change password
     */
    public function change_password()
    {
        $this->form_validation->set_rules('old', $this->lang->line('change_password_validation_old_password_label'), 'required');
        $this->form_validation->set_rules('new', $this->lang->line('change_password_validation_new_password_label'), 'required|min_length[' . $this->config->item('min_password_length', 'ion_auth') . ']|max_length[' . $this->config->item('max_password_length', 'ion_auth') . ']|matches[new_confirm]');
        $this->form_validation->set_rules('new_confirm', $this->lang->line('change_password_validation_new_password_confirm_label'), 'required');

        if (!$this->ion_auth->logged_in())
        {
            redirect('auth/login', 'refresh');
        }

        $user = $this->ion_auth->user()->row();

        if ($this->form_validation->run() === FALSE)
        {
            // display the form
            // set the flash data error message if there is one
            $this->data['message'] = (validation_errors()) ? validation_errors() : $this->session->flashdata('message');

            $this->data['min_password_length'] = $this->config->item('min_password_length', 'ion_auth');
            $this->data['old_password'] = array(
                'name' => 'old',
                'id' => 'old',
                'type' => 'password',
            );
            $this->data['new_password'] = array(
                'name' => 'new',
                'id' => 'new',
                'type' => 'password',
                'pattern' => '^.{' . $this->data['min_password_length'] . '}.*$',
            );
            $this->data['new_password_confirm'] = array(
                'name' => 'new_confirm',
                'id' => 'new_confirm',
                'type' => 'password',
                'pattern' => '^.{' . $this->data['min_password_length'] . '}.*$',
            );
            $this->data['user_id'] = array(
                'name' => 'user_id',
                'id' => 'user_id',
                'type' => 'hidden',
                'value' => $user->id,
            );

            // render
            $this->_render_page('auth' . DIRECTORY_SEPARATOR . 'change_password', $this->data);
        }
        else
        {
            $identity = $this->session->userdata('identity');

            $change = $this->ion_auth->change_password($identity, $this->input->post('old'), $this->input->post('new'));

            if ($change)
            {
                //if the password was successfully changed
                $this->session->set_flashdata('message', $this->ion_auth->messages());
                $this->logout();
            }
            else
            {
                $this->session->set_flashdata('message', $this->ion_auth->errors());
                redirect('auth/change_password', 'refresh');
            }
        }
    }

    /**
     * Forgot password
     */
    public function forgot_password()
    {
        // setting validation rules by checking whether identity is username or email
        if ($this->config->item('identity', 'ion_auth') != 'email')
        {
            $this->form_validation->set_rules('identity', $this->lang->line('forgot_password_identity_label'), 'required');
        }
        else
        {
            $this->form_validation->set_rules('identity', $this->lang->line('forgot_password_validation_email_label'), 'required|valid_email');
        }


        if ($this->form_validation->run() === FALSE)
        {
            $this->data['type'] = $this->config->item('identity', 'ion_auth');
            // setup the input
            $this->data['identity'] = array('name' => 'identity',
                'id' => 'identity',
            );

            if ($this->config->item('identity', 'ion_auth') != 'email')
            {
                $this->data['identity_label'] = $this->lang->line('forgot_password_identity_label');
            }
            else
            {
                $this->data['identity_label'] = $this->lang->line('forgot_password_email_identity_label');
            }

            // set any errors and display the form
            $this->data['message'] = (validation_errors()) ? validation_errors() : $this->session->flashdata('message');
            $this->_render_page('auth' . DIRECTORY_SEPARATOR . 'forgot_password', $this->data);
        }
        else
        {
            $identity_column = $this->config->item('identity', 'ion_auth');
            $identity = $this->ion_auth->where($identity_column, $this->input->post('identity'))->users()->row();

            if (empty($identity))
            {

                if ($this->config->item('identity', 'ion_auth') != 'email')
                {
                    $this->ion_auth->set_error('forgot_password_identity_not_found');
                }
                else
                {
                    $this->ion_auth->set_error('forgot_password_email_not_found');
                }

                $this->session->set_flashdata('message', $this->ion_auth->errors());
                redirect("auth/forgot_password", 'refresh');
            }

            // run the forgotten password method to email an activation code to the user
            $forgotten = $this->ion_auth->forgotten_password($identity->{$this->config->item('identity', 'ion_auth')});

            if ($forgotten)
            {
                // if there were no errors
                $this->session->set_flashdata('message', $this->ion_auth->messages());
                redirect("auth/login", 'refresh'); //we should display a confirmation page here instead of the login page
            }
            else
            {
                $this->session->set_flashdata('message', $this->ion_auth->errors());
                redirect("auth/forgot_password", 'refresh');
            }
        }
    }

    /**
     * Reset password - final step for forgotten password
     *
     * @param string|null $code The reset code
     */
    public function reset_password($code = NULL)
    {
        if (!$code)
        {
            show_404();
        }

        $user = $this->ion_auth->forgotten_password_check($code);

        if ($user)
        {
            // if the code is valid then display the password reset form

            $this->form_validation->set_rules('new', $this->lang->line('reset_password_validation_new_password_label'), 'required|min_length[' . $this->config->item('min_password_length', 'ion_auth') . ']|max_length[' . $this->config->item('max_password_length', 'ion_auth') . ']|matches[new_confirm]');
            $this->form_validation->set_rules('new_confirm', $this->lang->line('reset_password_validation_new_password_confirm_label'), 'required');

            if ($this->form_validation->run() === FALSE)
            {
                // display the form

                // set the flash data error message if there is one
                $this->data['message'] = (validation_errors()) ? validation_errors() : $this->session->flashdata('message');

                $this->data['min_password_length'] = $this->config->item('min_password_length', 'ion_auth');
                $this->data['new_password'] = array(
                    'name' => 'new',
                    'id' => 'new',
                    'type' => 'password',
                    'pattern' => '^.{' . $this->data['min_password_length'] . '}.*$',
                );
                $this->data['new_password_confirm'] = array(
                    'name' => 'new_confirm',
                    'id' => 'new_confirm',
                    'type' => 'password',
                    'pattern' => '^.{' . $this->data['min_password_length'] . '}.*$',
                );
                $this->data['user_id'] = array(
                    'name' => 'user_id',
                    'id' => 'user_id',
                    'type' => 'hidden',
                    'value' => $user->id,
                );
                $this->data['csrf'] = $this->_get_csrf_nonce();
                $this->data['code'] = $code;

                // render
                $this->_render_page('auth' . DIRECTORY_SEPARATOR . 'reset_password', $this->data);
            }
            else
            {
                // do we have a valid request?
                if ($this->_valid_csrf_nonce() === FALSE || $user->id != $this->input->post('user_id'))
                {

                    // something fishy might be up
                    $this->ion_auth->clear_forgotten_password_code($code);

                    show_error($this->lang->line('error_csrf'));

                }
                else
                {
                    // finally change the password
                    $identity = $user->{$this->config->item('identity', 'ion_auth')};

                    $change = $this->ion_auth->reset_password($identity, $this->input->post('new'));

                    if ($change)
                    {
                        // if the password was successfully changed
                        $this->session->set_flashdata('message', $this->ion_auth->messages());
                        redirect("auth/login", 'refresh');
                    }
                    else
                    {
                        $this->session->set_flashdata('message', $this->ion_auth->errors());
                        redirect('auth/reset_password/' . $code, 'refresh');
                    }
                }
            }
        }
        else
        {
            // if the code is invalid then send them back to the forgot password page
            $this->session->set_flashdata('message', $this->ion_auth->errors());
            redirect("auth/forgot_password", 'refresh');
        }
    }

    /**
     * Activate the user
     *
     * @param int         $id   The user ID
     * @param string|bool $code The activation code
     */
    public function activate($id, $code = FALSE)
    {
        if ($code !== FALSE)
        {
            $activation = $this->ion_auth->activate($id, $code);
        }
        else if ($this->ion_auth->is_admin())
        {
            $activation = $this->ion_auth->activate($id);
        }

        if ($activation)
        {
            // redirect them to the auth page
            $this->session->set_flashdata('message', $this->ion_auth->messages());
            redirect("auth", 'refresh');
        }
        else
        {
            // redirect them to the forgot password page
            $this->session->set_flashdata('message', $this->ion_auth->errors());
            redirect("auth/forgot_password", 'refresh');
        }
    }

    /**
     * Deactivate the user
     *
     * @param int|string|null $id The user ID
     */
    public function deactivate($id = NULL)
    {
        if (!$this->ion_auth->logged_in() || !$this->ion_auth->is_admin())
        {
            // redirect them to the home page because they must be an administrator to view this
            return show_error('You must be an administrator to view this page.');
        }

        $id = (int)$id;

        $this->load->library('form_validation');
        $this->form_validation->set_rules('confirm', $this->lang->line('deactivate_validation_confirm_label'), 'required');
        $this->form_validation->set_rules('id', $this->lang->line('deactivate_validation_user_id_label'), 'required|alpha_numeric');

        if ($this->form_validation->run() === FALSE)
        {
            // insert csrf check
            $this->data['csrf'] = $this->_get_csrf_nonce();
            $this->data['user'] = $this->ion_auth->user($id)->row();

            $this->template->display('auth/deactivate_user', $this->data);
        }
        else
        {
            // do we really want to deactivate?
            if ($this->input->post('confirm') == 'yes')
            {
                // do we have a valid request?
                if ($this->_valid_csrf_nonce() === FALSE || $id != $this->input->post('id'))
                {
                    return show_error($this->lang->line('error_csrf'));
                }

                // do we have the right userlevel?
                if ($this->ion_auth->logged_in() && $this->ion_auth->is_admin())
                {
                    $this->ion_auth->deactivate($id);
                }
            }

            // redirect them back to the auth page
            redirect('auth/member', 'refresh');
        }
    }

    /**
     * Create a new user
     */
    public function create_user()
    {
        $this->data['title'] = $this->lang->line('create_user_heading');

        if (!$this->ion_auth->logged_in() || !$this->ion_auth->is_admin())
        {
            redirect('auth', 'refresh');
        }

        $tables = $this->config->item('tables', 'ion_auth');
        $identity_column = $this->config->item('identity', 'ion_auth');
        $this->data['identity_column'] = $identity_column;

        // validate form input
        $this->form_validation->set_rules('first_name', $this->lang->line('create_user_validation_fname_label'), 'trim|required');
        $this->form_validation->set_rules('last_name', $this->lang->line('create_user_validation_lname_label'), 'trim|required');
        if ($identity_column !== 'email')
        {
            $this->form_validation->set_rules('identity', $this->lang->line('create_user_validation_identity_label'), 'trim|required|is_unique[' . $tables['users'] . '.' . $identity_column . ']');
            $this->form_validation->set_rules('email', $this->lang->line('create_user_validation_email_label'), 'trim|required|valid_email');
        }
        else
        {
            $this->form_validation->set_rules('email', $this->lang->line('create_user_validation_email_label'), 'trim|required|valid_email|is_unique[' . $tables['users'] . '.email]');
        }
        $this->form_validation->set_rules('phone', $this->lang->line('create_user_validation_phone_label'), 'trim');
        $this->form_validation->set_rules('company', $this->lang->line('create_user_validation_company_label'), 'trim');
        $this->form_validation->set_rules('password', $this->lang->line('create_user_validation_password_label'), 'required|min_length[' . $this->config->item('min_password_length', 'ion_auth') . ']|max_length[' . $this->config->item('max_password_length', 'ion_auth') . ']|matches[password_confirm]');
        $this->form_validation->set_rules('password_confirm', $this->lang->line('create_user_validation_password_confirm_label'), 'required');

        if ($this->form_validation->run() === TRUE)
        {
            $email = strtolower($this->input->post('email'));
            $identity = ($identity_column === 'email') ? $email : $this->input->post('identity');
            $password = $this->input->post('password');

            $additional_data = array(
                'first_name' => $this->input->post('first_name'),
                'last_name' => $this->input->post('last_name'),
                'company' => $this->input->post('name_toko'),
                'phone' => $this->input->post('phone'),
            );
        }
        if ($this->form_validation->run() === TRUE && $this->ion_auth->register($identity, $password, $email, $additional_data))
        {
            // check to see if we are creating the user
            // redirect them back to the admin page
            echo json_encode(array('status' => TRUE));
            $this->session->set_flashdata('message', $this->ion_auth->messages());
            redirect("auth/member", 'refresh');
        }
        else
        {
            // display the create user form
            // set the flash data error message if there is one
            $this->data['message'] = (validation_errors() ? validation_errors() : ($this->ion_auth->errors() ? $this->ion_auth->errors() : $this->session->flashdata('message')));

            $this->data['first_name'] = array(
                'name' => 'first_name',
                'id' => 'first_name',
                'type' => 'text',
                'value' => $this->form_validation->set_value('first_name'),
            );
            $this->data['last_name'] = array(
                'name' => 'last_name',
                'id' => 'last_name',
                'type' => 'text',
                'value' => $this->form_validation->set_value('last_name'),
            );
            $this->data['identity'] = array(
                'name' => 'identity',
                'id' => 'identity',
                'type' => 'text',
                'value' => $this->form_validation->set_value('identity'),
            );
            $this->data['email'] = array(
                'name' => 'email',
                'id' => 'email',
                'type' => 'text',
                'value' => $this->form_validation->set_value('email'),
            );
            $this->data['company'] = array(
                'name' => 'company',
                'id' => 'company',
                'type' => 'text',
                'value' => $this->form_validation->set_value('company'),
            );
            $this->data['phone'] = array(
                'name' => 'phone',
                'id' => 'phone',
                'type' => 'text',
                'value' => $this->form_validation->set_value('phone'),
            );
            $this->data['password'] = array(
                'name' => 'password',
                'id' => 'password',
                'type' => 'password',
                'value' => $this->form_validation->set_value('password'),
            );
            $this->data['password_confirm'] = array(
                'name' => 'password_confirm',
                'id' => 'password_confirm',
                'type' => 'password',
                'value' => $this->form_validation->set_value('password_confirm'),
            );

            $this->_render_page('auth' . DIRECTORY_SEPARATOR . 'create_user', $this->data);
        }
    }
    /**
    * Redirect a user checking if is admin
    */
    public function redirectUser(){
        if ($this->ion_auth->is_admin()){
            redirect('auth', 'refresh');
        }
        redirect('/', 'refresh');
    }

    /**
     * Edit a user
     *
     * @param int|string $id
     */
    public function edit_user($id)
    {
        $this->data['title'] = $this->lang->line('edit_user_heading');

        if (!$this->ion_auth->logged_in() || (!$this->ion_auth->is_admin() && !($this->ion_auth->user()->row()->id == $id)))
        {
            redirect('auth', 'refresh');
        }

        $user = $this->ion_auth->user($id)->row();
        $groups = $this->ion_auth->groups()->result_array();
        $currentGroups = $this->ion_auth->get_users_groups($id)->result();

        // validate form input
        $this->form_validation->set_rules('first_name', $this->lang->line('edit_user_validation_fname_label'), 'trim|required');
        $this->form_validation->set_rules('last_name', $this->lang->line('edit_user_validation_lname_label'), 'trim|required');
        $this->form_validation->set_rules('phone', $this->lang->line('edit_user_validation_phone_label'), 'trim|required');
        $this->form_validation->set_rules('company', $this->lang->line('edit_user_validation_company_label'), 'trim|required');

        if (isset($_POST) && !empty($_POST))
        {
            // do we have a valid request?
            if ($this->_valid_csrf_nonce() === FALSE || $id != $this->input->post('id'))
            {
                show_error($this->lang->line('error_csrf'));
            }

            // update the password if it was posted
            if ($this->input->post('password'))
            {
                $this->form_validation->set_rules('password', $this->lang->line('edit_user_validation_password_label'), 'required|min_length[' . $this->config->item('min_password_length', 'ion_auth') . ']|max_length[' . $this->config->item('max_password_length', 'ion_auth') . ']|matches[password_confirm]');
                $this->form_validation->set_rules('password_confirm', $this->lang->line('edit_user_validation_password_confirm_label'), 'required');
            }

            if ($this->form_validation->run() === TRUE)
            {
                $data = array(
                    'first_name' => $this->input->post('first_name'),
                    'last_name' => $this->input->post('last_name'),
                    'company' => $this->input->post('company'),
                    'phone' => $this->input->post('phone'),
                );

                // update the password if it was posted
                if ($this->input->post('password'))
                {
                    $data['password'] = $this->input->post('password');
                }

                // Only allow updating groups if user is admin
                if ($this->ion_auth->is_admin())
                {
                    // Update the groups user belongs to
                    $groupData = $this->input->post('groups');

                    if (isset($groupData) && !empty($groupData))
                    {

                        $this->ion_auth->remove_from_group('', $id);

                        foreach ($groupData as $grp)
                        {
                            $this->ion_auth->add_to_group($grp, $id);
                        }

                    }
                }

                // check to see if we are updating the user
                if ($this->ion_auth->update($user->id, $data))
                {
                    // redirect them back to the admin page if admin, or to the base url if non admin
                    $this->session->set_flashdata('message', $this->ion_auth->messages());
                    $this->redirectUser();

                }
                else
                {
                    // redirect them back to the admin page if admin, or to the base url if non admin
                    $this->session->set_flashdata('message', $this->ion_auth->errors());
                    $this->redirectUser();

                }

            }
        }

        // set the flash data error message if there is one
        $this->data['message'] = (validation_errors() ? validation_errors() : ($this->ion_auth->errors() ? $this->ion_auth->errors() : $this->session->flashdata('message')));

        // pass the user to the view
        $this->data['user'] = $user;
        $this->data['groups'] = $groups;
        $this->data['currentGroups'] = $currentGroups;

        echo json_encode($this->data);
    }

    /**
     * Create a new group
     */
    public function create_group()
    {
        $this->data['title'] = $this->lang->line('create_group_title');

        if (!$this->ion_auth->logged_in() || !$this->ion_auth->is_admin())
        {
            redirect('auth', 'refresh');
        }

        // validate form input
        $this->form_validation->set_rules('group_name', $this->lang->line('create_group_validation_name_label'), 'trim|required|alpha_dash');

        if ($this->form_validation->run() === TRUE)
        {
            $new_group_id = $this->ion_auth->create_group($this->input->post('group_name'), $this->input->post('description'));
            if ($new_group_id)
            {
                // check to see if we are creating the group
                // redirect them back to the admin page
                $this->session->set_flashdata('message', $this->ion_auth->messages());
                redirect("auth", 'refresh');
            }
        }
        else
        {
            // display the create group form
            // set the flash data error message if there is one
            $this->data['message'] = (validation_errors() ? validation_errors() : ($this->ion_auth->errors() ? $this->ion_auth->errors() : $this->session->flashdata('message')));

            $this->data['group_name'] = array(
                'name'  => 'group_name',
                'id'    => 'group_name',
                'type'  => 'text',
                'value' => $this->form_validation->set_value('group_name'),
            );
            $this->data['description'] = array(
                'name'  => 'description',
                'id'    => 'description',
                'type'  => 'text',
                'value' => $this->form_validation->set_value('description'),
            );

            $this->_render_page('auth' . DIRECTORY_SEPARATOR . 'create_group', $this->data);
        }
    }

    /**
     * Edit a group
     *
     * @param int|string $id
     */
    public function edit_group($id)
    {
        // bail if no group id given
        if (!$id || empty($id))
        {
            redirect('auth', 'refresh');
        }

        $this->data['title'] = $this->lang->line('edit_group_title');

        if (!$this->ion_auth->logged_in() || !$this->ion_auth->is_admin())
        {
            redirect('auth', 'refresh');
        }

        $group = $this->ion_auth->group($id)->row();

        // validate form input
        $this->form_validation->set_rules('group_name', $this->lang->line('edit_group_validation_name_label'), 'required|alpha_dash');

        if (isset($_POST) && !empty($_POST))
        {
            if ($this->form_validation->run() === TRUE)
            {
                $group_update = $this->ion_auth->update_group($id, $_POST['group_name'], $_POST['group_description']);

                if ($group_update)
                {
                    $this->session->set_flashdata('message', $this->lang->line('edit_group_saved'));
                }
                else
                {
                    $this->session->set_flashdata('message', $this->ion_auth->errors());
                }
                redirect("auth", 'refresh');
            }
        }

        // set the flash data error message if there is one
        $this->data['message'] = (validation_errors() ? validation_errors() : ($this->ion_auth->errors() ? $this->ion_auth->errors() : $this->session->flashdata('message')));

        // pass the user to the view
        $this->data['group'] = $group;

        $readonly = $this->config->item('admin_group', 'ion_auth') === $group->name ? 'readonly' : '';

        $this->data['group_name'] = array(
            'name'    => 'group_name',
            'id'      => 'group_name',
            'type'    => 'text',
            'value'   => $this->form_validation->set_value('group_name', $group->name),
            $readonly => $readonly,
        );
        $this->data['group_description'] = array(
            'name'  => 'group_description',
            'id'    => 'group_description',
            'type'  => 'text',
            'value' => $this->form_validation->set_value('group_description', $group->description),
        );

        $this->_render_page('auth' . DIRECTORY_SEPARATOR . 'edit_group', $this->data);
    }

    /**
     * @return array A CSRF key-value pair
     */
    public function _get_csrf_nonce()
    {
        $this->load->helper('string');
        $key = random_string('alnum', 8);
        $value = random_string('alnum', 20);
        $this->session->set_flashdata('csrfkey', $key);
        $this->session->set_flashdata('csrfvalue', $value);

        return array($key => $value);
    }

    /**
     * @return bool Whether the posted CSRF token matches
     */
    public function _valid_csrf_nonce(){
        $csrfkey = $this->input->post($this->session->flashdata('csrfkey'));
        if ($csrfkey && $csrfkey === $this->session->flashdata('csrfvalue')){
            return TRUE;
        }
            return FALSE;
    }

    /**
     * @param string     $view
     * @param array|null $data
     * @param bool       $returnhtml
     *
     * @return mixed
     */
    public function _render_page($view, $data = NULL, $returnhtml = FALSE)//I think this makes more sense
    {

        $this->viewdata = (empty($data)) ? $this->data : $data;

        $view_html = $this->load->view($view, $this->viewdata, $returnhtml);

        // This will return html on 3rd argument being true
        if ($returnhtml)
        {
            return $view_html;
        }
    }

    public function delete($id){
        $this->load->model('Ion_auth_model');
        $this->Ion_auth_model->delete_user($id);
        redirect('auth/member');
    }

}

<--- VIEWS--->
<section class="content-header">
    <h1>
        <?php echo strtoupper(lang('index_heading'));?>
        <small><?php echo lang('index_subheading');?></small>
    </h1>
    <ol class="breadcrumb">
        <li><a href="#"><i class="fa fa-suitcase"></i>Seting</a></li>
        <li class="active"><?php echo lang('index_heading');?></li>
    </ol>
</section>
<section class="content">

    <div class="row">
        <div class="col-md-12">
            <div class="box box-primary">
                <div class='box-header with-border'>
                    <h3 class='box-title'><a onclick="add_user()" class="btn btn-primary btn-small">
                            <i class="glyphicon glyphicon-plus"></i> <?php echo lang('index_create_user_link');?></a></h3>
                            <label calss='control-label' ></label>
                </div>
                <div class="box-body table-responsive">
                    <table id="mytable" class="table table-bordered table-striped" cellspacing="0" width="100%">
                        <thead>
                            <tr>
                                <th>No.</th>
                                <th>Nama User</th>
                                <th>Nama Lengkap</th>
                                <th>Alamat Email</th>
                                <th>Nama Perusahaan</th>
                                <th>Telpn</th>
                                <th>Status</th>
                                <th>Edit</th>
                                <th>Delete</th>
                            </tr>
                        </thead>
                       <?php
                       $no=1;
                       foreach ($tb_users as $user){
                           echo"
                               <tr>
                               <td>$no</td>
                               <td>".$user->username."</td>
                               <td>".strtoupper($user->first_name),' ',strtoupper($user->last_name)."</td>
                               <td>".$user->email."</td>
                               <td>".strtoupper($user->company)."</td>
                               <td>".$user->phone."</td>
                               ";?>
                               <td><?php echo ($user->active) ? anchor("auth/deactivate/".$user->id, lang('index_active_link')) : anchor("auth/activate/". $user->id, lang('index_inactive_link'));?></td>

                               <td><a onclick="edit_user(<?php echo $user->id;?>)"><i class="btn btn-info btn-sm glyphicon glyphicon-edit" data-toggle="tooltip" title="Edit"></i></a></td>
                              <?php
                               echo"
                               <td>" . anchor('auth/delete/' . $user->id, '<i class="btn-sm btn-info glyphicon glyphicon-trash" data-toggle="tooltip" title="Delete"></i>', array('onclick' => "return confirm('Data Akan di Hapus?')")) . "</td>

                               </tr>";
                           $no++;
                       }
                       ?>
                    </Table>
                </div><!-- /.box-body -->
            </div><!-- /.box -->
        </div>
    </div>
</section><!-- /.content -->
<script src="<?php echo base_url();?>assets/js/jquery-1.12.0.min.js"></script>
<script src="<?php echo base_url();?>assets/js/plugins/datatables/jquery.dataTables.min.js"></script>
<script type="text/javascript">
    $(document).ready(function () {
        $("#mytable").dataTable();
    });
</script>
<script type="text/javascript">

var save_method; //for save method string
var table;

  function get_crsf(){
    $("input[id='crsf']").remove();

    $.ajax({
        url : "<?php echo site_url('auth/crsf_ajax');?>",
        type: "POST",
        dataType: "JSON",
        success: function(data)
        {
            $.map(data.crsf, function(k, v){
            crsfKey = v;
            crsfValue = k;
            });

            var crsf = [];

            var crsf = '<input type="hidden" id="crsf" name="'+crsfKey+'" value="'+crsfValue+'" /> ';

            $('#form').append(crsf);
        },
        error: function (xhr, ajaxoptions, errorThrown)
        {
            console.log('Error get crsf ajax data');
            console.log(xhr.status);
            console.log(errorThrown);
            console.log(xhr.responseText)
        }
    });
  };

  function add_user()
  {
      save_method = 'add';
      $('#form')[0].reset(); // reset form on modals
      $('.form-group').removeClass('has-error'); // clear error class
      $('.help-block').empty(); // clear error string
      get_crsf();
      $('#myModal').modal('show'); // show bootstrap modal
      $('.modal-title').text('MENAMBAHKAN USER'); // Set Title to Bootstrap modal title
  }

  function simpan(id)
  {
      var url;

      if(save_method == 'add') {
          url = "<?php echo site_url('auth/create_user');?>";
      } else {
          url = "<?php echo site_url('auth/edit_user/')?>"+id;
      }
      // ajax adding data to database
      $.ajax({
          url : url,
          type: "POST",
          data: $('#form').serialize(),
          dataType: "JSON",
          success: function(data)
          {
              $('#myModal').modal('hide');
              alert('Success Adding/Update data');
          },
          error: function (jqXHR, textStatus, errorThrown)
          {
              alert("Gagal menambahkan/Edit user, mungkin user sudah ada/kesalahan data !!!");
          }
      });
  }

  function edit_user(id)
  {
    save_method = 'update';
    $('#form')[0].reset(); // reset form on modals
    // $('.form-group').removeClass('has-error'); // clear error class
    // $('.help-block').empty(); // clear error string
    //Ajax Load data from ajax
    $.ajax({
        url : "<?php echo site_url('auth/edit_user')?>/"+id,
        type: "GET",
        dataType: "JSON",
        success: function(data)
        {
            $('[name="id"]').val(data.id);
            $('[name="first_name"]').val(data.user['first_name']);
            $('[name="last_name"]').val(data.user['last_name']);
            $('[name="username"]').val(data.user['username']);
            $('[name="email"]').val(data.user['email']);
            $('[name="name_toko"]').val(data.user['company']);
            $('[name="phone"]').val(data.user['phone']);
            get_crsf();

            $('#myModal').modal('show'); // show bootstrap modal when complete loaded
            $('.modal-title').text('Edit User'); // Set title to Bootstrap modal title

        },
        error: function (jqXHR, textStatus, errorThrown)
        {
            alert('Error get data from ajax');
        }
    });
  }
</script>

<!-- Bootstrap modal -->
<div class="modal fade" id="myModal" role="dialog">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                <h3 class="modal-title">Person Form</h3>
            </div>
            <div class="modal-body form">
                <?php
                    echo form_open('auth/create_user','id=form');
                ?>
                  <div class="text-red"><?php echo $message;?></div>
                    <div class="box-body">
                        <?php echo form_hidden('id', $user->id);?>
                        <div class="form-group">
                            <label for="example">Nama Depan</label>
                            <input type="text" name="first_name" id="first_name" class="form-control" required oninvalid="setCustomValidity('Nama Depan !')"
                                   oninput="setCustomValidity('')" placeholder="Masukan Nama Depan" >
                        </div>
                        <div class="form-group">
                            <label for="">Nama Belakang</label>
                            <input type="text" class="form-control" name="last_name" id="last_name" required oninvalid="setCustomValidity('Nama Belakang !')"
                                   oninput="setCustomValidity('')" placeholder="Masukan Nama Belakang">
                        </div>
                         <div class="form-group">
                            <label for="">Nama Pengguna</label>
                            <input type="text" class="form-control" name="username" id="username" required oninvalid="setCustomValidity('Nama Pengguna !')"
                                   oninput="setCustomValidity('')" placeholder="Nama Pengguna">
                            <?php echo form_error('username', '<div class="text-red">', '</div>'); ?>
                        </div>
                        <div class="form-group">
                            <label for="">Alamat Email (jika edit jangan di ganti)</label>
                            <input type="email" class="form-control" name="email" id="email" required oninvalid="setCustomValidity('Email Kosong/ Format Tidak Sesuai !')"
                                   oninput="setCustomValidity('')" placeholder="example@example.com">
                        </div>
                        <div class="form-group">
                            <label for="">Nama Perusahaan</label>
                            <input type="text" class="form-control" name="name_toko" id="name_toko" required oninvalid="setCustomValidity('Nama Perusahaan Kosong !')"
                                   oninput="setCustomValidity('')" placeholder="Masukan Nama Perusahaan">
                        </div>
                        <div class="form-group">
                            <label for="">Nomor Handphone</label>
                            <input type="number" class="form-control" name="phone" id="phone" required oninvalid="setCustomValidity('Nama Perusahaan Kosong !')"
                                   oninput="setCustomValidity('')" placeholder="Masukan No Handphone">
                        </div>
                        <div class="form-group">
                            <label for="">Password</label>
                            <input type="password" class="form-control" name="password" id="password" required oninvalid="setCustomValidity('Password Kosong !')"
                                   oninput="setCustomValidity('')" placeholder="Masukan Password (min 8 max 20)">
                        </div>
                        <div class="form-group">
                            <label for="">Ulangi Password</label>
                            <input type="password" class="form-control" name="password_confirm" id="password_confirm" required oninvalid="setCustomValidity('Ulang Password Kosong !')"
                                   oninput="setCustomValidity('')" placeholder="Ulangi Password">
                        </div>
                    </div><!-- /.box-body -->

            </div>
            <div class="modal-footer">
                <button type="button" id="btnSave" onclick="simpan(<?php echo $user->id;?>)" class="btn btn-primary">Save</button>
                <button type="button" class="btn btn-danger" data-dismiss="modal">Cancel</button>
            </div>
        </div><!-- /.modal-content -->
    </div><!-- /.modal-dialog -->
</div><!-- /.modal -->