controllers/Resi.php

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

class Resi extends CI_Controller {

    function __construct()
    {
        parent::__construct();
        $this->load->library(array('template', 'form_validation'));
      $this->load->model('resis');
    }

   public function index()
   {
        $this->cek_login();

        $this->template->admin('admin/menage_resi');
   }

    public function ajax_list()
   {
      $list = $this->resis->get_datatables();
      $data = array();
      $no = $_POST['start'];
      foreach ($list as $i) {

         $no++;
         $row = array();
         $row[] = $no;
         $row[] = $i->nama;
         $row[] = $i->no_resi;

         $row[] = $i->pengiriman;
         $row[] = '<a href="'.site_url('resi/detail/'.$i->id_resi).'" class="btn btn-success btn-xs"><i class="fa fa-search-plus"></i></a>
                <a href="'.site_url('resi/update_resi/'.$i->id_resi).'" class="btn btn-warning btn-xs"><i class="fa fa-edit"></i></a>';

         $data[] = $row;
      }

      $output = array(
                "draw" => $_POST['draw'],
                "recordsTotal" => $this->resis->count_all(),
                "recordsFiltered" => $this->resis->count_filtered(),
                "data" => $data
                );
      //output to json format
    echo json_encode($output);
   }


   public function add_resi()
   {
        $this->cek_login();

      if ($this->input->post('submit', TRUE) == 'Submit') {
         //validasi
         $this->form_validation->set_rules('nama', 'Nama', 'required|min_length[2]');
         $this->form_validation->set_rules('no_resi', 'No Resi', 'required|numeric');

         $this->form_validation->set_rules('pengiriman', 'Pengiriman', 'required|min_length[2]');

         if ($this->form_validation->run() == TRUE)
         {
                 $resis = array (
                    'nama' => $this->input->post('nama', TRUE),
                    'no_resi' => $this->input->post('no_resi', TRUE),
                    'pengiriman' => $this->input->post('pengiriman', TRUE)
                 );

                    $id_resi = $this->resis->insert_last('t_resis', $resis);
                    //akses function kategori

                    //upload Foto Lainnya





                    redirect('resi');

                } else {
                    $this->session->set_flashdata('alert', 'Isi Data Resi');
                }
         }


        $data['nama']       = $this->input->post('nama', TRUE);
      $data['no_resi']  = $this->input->post('no_resi', TRUE);

      $data['pengiriman']       = $this->input->post('pengiriman', TRUE);

      $data['header'] = "Add New Resi";

      $this->template->admin('admin/resi_form', $data);
   }

    public function detail()
    {
        $this->cek_login();
        $id_resi = $this->uri->segment(3);
        $resi = $this->resis->get_where('t_resis', array('id_resi' => $id_resi));

        foreach ($resi->result() as $key) {
            $data['id_resi'] = $key->id_resi;
            $data['nama'] = $key->nama;
            $data['no_resi'] = $key->no_resi;


            $data['pengiriman'] = $key->pengiriman;
        }

        //ambil data img berdasarkan id_resi

        $this->template->admin('admin/detail_resi', $data);
    }

    public function update_resi()
   {
        $this->cek_login();
        $id_resi = $this->uri->segment(3);

      if ($this->input->post('submit', TRUE) == 'Submit') {
         //validasi
         $this->form_validation->set_rules('nama', 'Nama', 'required|min_length[4]');

         $this->form_validation->set_rules('no_resi', 'No Resi', 'required|numeric');

         $this->form_validation->set_rules('pengiriman', 'Pengiriman', 'required|min_length[2]');

         if ($this->form_validation->run() == TRUE)
         {
                $resis = array (
                    'nama' => $this->input->post('nama', TRUE),
                    'no_resi' => $this->input->post('no_resi', TRUE),

                    'pengiriman' => $this->input->post('pengiriman', TRUE)
                );



                    $this->resis->update('t_resis', $resis, array('id_resi' => $id_resi));




                redirect('resi');
         }
      }

        $resi = $this->resis->get_where('t_resis', array('id_resi' => $id_resi));




        foreach($resi->result() as $key) {
          $data['nama'] = $key->nama;

          $data['no_resi'] = $key->no_resi;

          $data['pengiriman'] = $key->pengiriman;


        }


      $data['header'] = "Update Data Resi";

      $this->template->admin('admin/resi_form', $data);
   }


    function cek_login()
    {
        if (!$this->session->userdata('admin'))
        {
            redirect('login');
        }
    }
}