Controller

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

class Admin extends CI_Controller
{
    public function __construct()
    {
        parent::__construct();
        is_logged_in();
    }

    public function index()
    {
        $data['title'] = 'Admin';
        $data['user'] = $this->db->get_where('user', ['email' => $this->session->userdata('email')])->row_array();
        $data['total_rows'] = $this->db->count_all('customer');

        $this->load->view('templates/header', $data);
        $this->load->view('templates/sidebar', $data);
        $this->load->view('templates/topbar', $data);
        $this->load->view('admin/index', $data);
        $this->load->view('templates/footer');
    }

    public function role()
    {
        $data['title'] = 'Role';
        $data['user'] = $this->db->get_where('user', ['email' => $this->session->userdata('email')])->row_array();

        $data['role'] = $this->db->get('user_role')->result_array();

        $this->load->view('templates/header', $data);
        $this->load->view('templates/sidebar', $data);
        $this->load->view('templates/topbar', $data);
        $this->load->view('admin/role', $data);
        $this->load->view('templates/footer');
    }


    public function roleaccess($role_id)
    {
        $data['title'] = 'Role Access';
        $data['user'] = $this->db->get_where('user', ['email' => $this->session->userdata('email')])->row_array();

        $data['role'] = $this->db->get_where('user_role', ['id' => $role_id])->row_array();

        $this->db->where('id !=', 1);
        $data['menu'] = $this->db->get('user_menu')->result_array();

        $this->load->view('templates/header', $data);
        $this->load->view('templates/sidebar', $data);
        $this->load->view('templates/topbar', $data);
        $this->load->view('admin/role-access', $data);
        $this->load->view('templates/footer');
    }

    public function changeAccess()
    {
        $menu_id = $this->input->post('menuId');
        $role_id = $this->input->post('roleId');

        $data = [
            'role_id' => $role_id,
            'menu_id' => $menu_id
        ];

        $result = $this->db->get_where('user_access_menu', $data);

        if ($result->num_rows() < 1) {
            $this->db->insert('user_access_menu', $data);
        } else {
            $this->db->delete('user_access_menu', $data);
        }

        $this->session->set_flashdata('message', '<div class="alert alert-success" role="alert">Access Dirubah!</div>');
    }
    public function pesanan()
    {
        $data['title'] = 'Pesanan';
        $data['user'] = $this->db->get_where('user', ['email' => $this->session->userdata('email')])->row_array();

        $data['reservasi'] = $this->db->get('customer')->result_array();

        $this->load->view('templates/header', $data);
        $this->load->view('templates/sidebar', $data);
        $this->load->view('templates/topbar', $data);
        $this->load->view('admin/pesanan', $data);
        $this->load->view('templates/footer');
    }
    public function blocked()
    {
        $this->load->view('auth/blocked');
    }
    public function hapus($id)
    {
        if ($id == "") {
            $this->session->set_flashdata('error', '<div class="alert alert-error" align="center" role="alert">Data Gagal Di Hapus</div>');
            redirect('admin/pesanan');
        } else {
            $this->db->where('id', $id);
            $this->db->delete('customer');
            $this->session->set_flashdata('sukses', '<div class="alert alert-success" align="center" role="alert">Data Berhasil Di Hapus</div>');
            redirect('admin/pesanan');
        }
    }
    public function edit()
    {
        $this->form_validation->set_rules('id', 'Id', 'required');
        if ($this->form_validation->run() == false) {
            $this->session->set_flashdata('error', '<div class="alert alert-success" align="center" role="alert">Data Gagal Di Edit</div>');
            redirect('admin/pesanan');
        } else {
            $id = $this->input->post('id');
            $data = [
                'nama_customer' => $this->input->post('nama_customer'),
                'email' => $this->input->post('email'),
                'no_telpon' => $this->input->post('no_telpon'),
                'tanggal' => $this->input->post('tanggal'),
                'jam' => $this->input->post('jam'),
                'nama_mobil' => $this->input->post('nama_mobil'),
                'tipe_mobil' => $this->input->post('tipe_mobil'),
                'no_plat' => $this->input->post('no_plat'),
                'jenis_servis' => $this->input->post('jenis_servis'),
                'keluhan' => $this->input->post('keluhan'),
                'dealer' => $this->input->post('dealer')
            ];
            $this->db->where('id', $id);
            $this->db->update('customer', $data);
            $this->session->set_flashdata('sukses', '<div class="alert alert-success" align="center" role="alert">Data Berhasil Di Edit</div>');
            redirect('admin/pesanan');
        }
    }
}