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) {
            $status = ($i->aktif == 1) ? "Dikirim" : 'Selesai';
         $no++;
         $row = array();
         $row[] = $no;
         $row[] = $i->nama;
         $row[] = $i->no_resi;
         $row[] = $status;
         $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[4]');
         $this->form_validation->set_rules('no_resi', 'No Resi', 'required|numeric');
         $this->form_validation->set_rules('status', 'Status', 'required|numeric');
         $this->form_validation->set_rules('pengiriman', 'Pengiriman', 'required|min_length[4]');

         if ($this->form_validation->run() == TRUE)
         {
                $config['upload_path'] = './assets/upload/';
                $config['allowed_types'] = 'jpg|png|jpeg';
                $config['max_size'] = '2048';
                $config['file_name'] = 'gambar'.time();

                $this->load->library('upload', $config);

                if ($this->upload->do_upload('foto'))
                {
                    $gbr = $this->upload->data();
                    //proses insert data item
                 $resis = array (
                        'link' => time(),
                    'nama' => $this->input->post('nama', TRUE),
                    'no_resi' => $this->input->post('no_resi', TRUE),
                    'aktif' => $this->input->post('status', TRUE),
                        'gambar' => $gbr['file_name'],
                    'pengiriman' => $this->input->post('pengiriman', TRUE)
                 );

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

                    //upload Foto Lainnya
                    $len = count($_FILES['gb']['name']); //hitung jumlah form

                    for ($i=0; $i < $len; $i++) {
                        $foto = '';
                        //masukkan data file ke variabel foto sesuai index array
                        $_FILES[$foto]['name'] = $_FILES['gb']['name'][$i];
                      $_FILES[$foto]['type'] = $_FILES['gb']['type'][$i];
                      $_FILES[$foto]['tmp_name'] = $_FILES['gb']['tmp_name'][$i];
                        $_FILES[$foto]['size'] = $_FILES['gb']['size'][$i];
                        $_FILES[$foto]['error'] = $_FILES['gb']['error'][$i];

                        $config['file_name'] = 'img'.time().$i; //rename foto yang diupload

                        $this->upload->initialize($config);

                        if ($this->upload->do_upload($foto))
                        {
                            //fetch data file yang diupload
                            $gb = $this->upload->data();

                            $data = [
                                'id_resi' => $id_resi,
                                'img' => $gb['file_name']
                            ];
                            //insert data img
                            $this->resis->insert('t_img', $data);
                        }
                  }

                    redirect('resi');

                } else {
                    $this->session->set_flashdata('alert', 'anda belum memilih foto');
                }
         }
      }

        $data['kategori'] = $this->input->post('kategori', TRUE);
        $data['kat']        = $this->resis->get_all('t_kategori');
      $data['nama']         = $this->input->post('nama', TRUE);
      $data['no_resi']  = $this->input->post('no_resi', TRUE);

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

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

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

    public function detail()
    {
        $this->cek_login();
        $id_resi = $this->uri->segment(3);
        $item = $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['status'] = $key->aktif;

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

        $table = "t_rkategori rk
                        JOIN t_kategori k ON (rk.id_kategori = k.id_kategori)";
        $data['kategori'] = $this->resis->get_where($table, ['rk.id_resi' => $id_resi]);
        //ambil data img berdasarkan id_resi
        $data['img'] = $this->resis->get_where('t_img', ['id_resi' => $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('status', 'Status', 'required|numeric');
         $this->form_validation->set_rules('pengiriman', 'Pengiriman', 'required|min_length[4]');

         if ($this->form_validation->run() == TRUE)
         {
                $config['upload_path'] = './assets/upload/';
                $config['allowed_types'] = 'jpg|png|jpeg';
                $config['max_size'] = '2048';
                $config['file_name'] = 'gambar'.time();

                $this->load->library('upload', $config);

                $resis = array (
                    'nama_item' => $this->input->post('nama', TRUE),
                    'no_resi' => $this->input->post('no_resi', TRUE),

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

                if ($this->upload->do_upload('foto'))
                {
                    //fetch data file yang diupload
                    $gbr = $this->upload->data();
                    //hapus file img dari folder
                    unlink('assets/upload/'.$this->input->post('old_pict', TRUE));
                    $resis['gambar'] = $gbr['file_name'];

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

                $this->resis->delete('t_rkategori', ['id_resi' => $id_resi]);
                $this->kategori($id_resi, $this->input->post('kategori', TRUE));

                $len = count($_FILES['gb']['name']); //hitung jumlah form

                for ($i=0; $i < $len; $i++) {
                    $foto = '';
                    //masukkan data file ke variabel foto sesuai index array
                    $_FILES[$foto]['name'] = $_FILES['gb']['name'][$i];
                    $_FILES[$foto]['type'] = $_FILES['gb']['type'][$i];
                    $_FILES[$foto]['tmp_name'] = $_FILES['gb']['tmp_name'][$i];
                    $_FILES[$foto]['size'] = $_FILES['gb']['size'][$i];
                    $_FILES[$foto]['error'] = $_FILES['gb']['error'][$i];

                    $config['file_name'] = 'img'.time().$i; //rename foto yang diupload

                    $this->upload->initialize($config);

                    if ($this->upload->do_upload($foto))
                    {
                        $gb = $this->upload->data();

                        $data = [
                            'id_resi' => $id_resi,
                            'img' => $gb['file_name']
                        ];

                        $this->resis->insert('t_img', $data);
                    }
                }

                redirect('resi');
         }
      }

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

        $table = "t_rkategori rk
                        JOIN t_kategori k ON (rk.id_kategori = k.id_kategori)";
        $rk = $this->resis->get_where($table, ['rk.id_resi' => $id_resi]);

        $value = '';
        foreach ($rk->result() as $k) {
            $value .= ', '.$k->kategori;
        }

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

          $data['no_resi'] = $key->no_resi;
          $data['status'] = $key->aktif;
          $data['pengiriman'] = $key->pengiriman;
            $data['gambar'] = $key->gambar;

        }

        $data['kat'] = $this->resis->get_all('t_kategori');
        $data['kategori'] = trim($value, ', ');
        $data['rk'] = $rk;
        //ambil data file img berdasarkan id_resi
        $gb = $this->resis->get_where('t_img', ['id_resi' => $id_resi]);
        //cek data img
        if ($gb->num_rows() != 0)
        {
            $data['gb'] = $gb;
        } else {
            $data['gb'] = null;
        }

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

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

    private function kategori($id_resi, $kategori)
    {
        $kat = explode(", ", $kategori);
        $len = count($kat);
        $a = array(' ');
        $b = array ('`','~','!','@','#','$','%','^','&','*','(',')','_','+','=','[',']','{','}','\'','"',':',';','/','\\','?','/','<','>');

        for ($i = 0; $i  < $len; $i ++) {
            $url = str_replace($b, '', $kat[$i]);
            $url = str_replace($a, '-', strtolower($url));

            $cek = $this->resis->get_where('t_kategori', ['url' => $url]);

            if ($cek->num_rows() > 0) {

                $get = $cek->row();
                $id = $get->id_kategori;

            } else {

                $data = array(
                    'kategori' => ucwords(trim($kat[$i])),
                    'url' => $url
                );

                $id = $this->resis->insert_last('t_kategori', $data);
            }

            $cek2 = $this->resis->get_where('t_rkategori', ['id_resi' => $id_resi, 'id_kategori' => $id]);

            if ($cek2->num_rows() < 1) {
                $this->resis->insert('t_rkategori', ['id_resi' => $id_resi, 'id_kategori' => $id]);
            }
        }
    }

    public function del_img()
    {
        $this->cek_login();
        if (!$this->uri->segment(3))
        {
            redirect('resi');
        }
        //hapus file image dari folder
        unlink('assets/upload/'.$this->uri->segment(3));
        //hapus data yang ada pada database
        $this->resis->delete('t_img', ['img' => $this->uri->segment(3)]);

        echo '<script type="text/javascript">window.history.go(-1)</script>';
    }

    public function update_img()
    {
        $this->cek_login();
        if (!$this->uri->segment(3))
        {
            redirect('item');
        }

        if ($this->input->post('submit', TRUE) == 'Submit')
        {
            $config['upload_path'] = './assets/upload/';
            $config['allowed_types'] = 'jpg|png|jpeg';
            $config['max_size'] = '2048';
            $config['file_name'] = 'img'.time();

            $this->load->library('upload', $config);

            if ($this->upload->do_upload('img'))
            {
                //hapus file image
                unlink('assets/upload/'.$this->uri->segment(3));

                $gbr = $this->upload->data();
                //proses update Database
                $this->resis->update('t_img', ['img' => $gbr['file_name']], ['img' => $this->uri->segment(3)]);

                echo '<script type="text/javascript">window.history.go(-2)</script>';
            } else {
                $this->session->set_flashdata('alert', 'anda belum memilih foto');
            }
        }

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

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