controler

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

class Promosi extends CI_Controller {


    public function __construct()
	{
		parent::__construct();
		$this->load->model("promosi_model"); //constructor yang dipanggil ketika memanggil products.php untuk melakukan pemanggilan pada model : products_model.php yang ada di folder models
		$this->load->library('upload'); //load library upload bisa dilakukan disni atau disimpan di autoload

	}
	public function index()
	{

	 $data['listPromosi'] = $this->promosi_model->getAllPromo();
      // $header berisi array data yang akan dilemparkan ke view header.php
      $header = array(
         'title'     =>'Welcome to my Website'
      );
      // $content berisi array data yang akan dilemparkan ke view content.php
      $content = array(
         'article'   =>'Lorem Ipsum Dolor Sit Amet'
      );
      $data['data_to_load'] = array($header,$content);

	  $data['tmp_file']='promo/front';
      // load view index.php dengan beban data $data
      $this->load->view('index',$data);
   }

   public function deleteProductDb($id_promo)
	{
		$this->promosi_model->deleteProduct($id_promo);
        redirect('promosi');
	}

	public function updateProduct($id_pelanggan)
	{
	  $data['pelanggan'] = $this->pelanggan_model->getAllPelanggan($id_pelanggan);

	 $data['ListPelanggan'] = $this->pelanggan_model->getAllPelanggan();
      // $header berisi array data yang akan dilemparkan ke view header.php
      $header = array(
         'title'     =>'Welcome to my Website'
      );
      // $content berisi array data yang akan dilemparkan ke view content.php
      $content = array(
         'article'   =>'Lorem Ipsum Dolor Sit Amet'
      );
      $data['data_to_load'] = array($header,$content);
	  $data['tmp_file']='promo/update_product';
	  $this->load->view('index',$data);
	}

	public function updateProductDb()
	{
	 	$data=array(
					'no_ktp'=>$this->input->post('no_ktp'),
					'nama_pelanggan'=>$this->input->post('nama'),
					'alamat'=>$this->input->post('alamat'),
					'jk'=>$this->input->post('jk'),
					'nohp'=>$this->input->post('nohp'),
					'email'=>$this->input->post('email'),
					);

		 $condition['id_pelanggan'] = $this->input->post('id_pelanggan');
		$this->pelanggan_model->updateProduct($data, $condition);
		redirect('pelanggan');
	}

	public function input()
	{
		//Function yang dipanggil ketika ingin melakukan add produk kemudian menampilkan add_product_view
		  $header = array(
         'title'     =>'Welcome to my Website'
      );
      // $content berisi array data yang akan dilemparkan ke view content.php
      $content = array(
         'article'   =>'Lorem Ipsum Dolor Sit Amet'
      );
      $data['data_to_load'] = array($header,$content);
	  $data['tmp_file']='promo/input';
	  $this->load->view('index',$data);
	}

	public function do_upload()
	 {
		 $config['upload_path'] = "./gambar/"; //lokasi folder yang akan digunakan untuk menyimpan file
		 $config['allowed_types'] = 'gif|jpg|png|JPEG'; //extension yang diperbolehkan untuk diupload
		 $config['file_name'] = url_title($this->input->post('file_upload'));
		$this->upload->initialize($config); //meng set config yang sudah di atur
		 if( !$this->upload->do_upload('file_upload'))
		 {
		 echo $this->upload->display_errors();
		 }
		 else{
		 $data = array(
		 'gambar'=>$this->upload->file_name,
		 'judul' => $this->input->post('judul'),
		 'ket' => $this->input->post('ket'),
		 'tgl' => $this->input->post('tgl'),
		 'masa_berlaku' => $this->input->post('berlaku'),
		 );

		 //$this->crud->insert($data,'images');

		 $this->promosi_model->addProduct($data);
		 redirect('promosi');
		 }
	 }
}

class Remove_Img extends CI_Controller {


    public function index()
    {
         $data['listPromosi'] = $this->promosi_model->getAllPromo();
      // $header berisi array data yang akan dilemparkan ke view header.php
      $header = array(
         'title'     =>'Welcome to my Website'
      );
      // $content berisi array data yang akan dilemparkan ke view content.php
      $content = array(
         'article'   =>'Lorem Ipsum Dolor Sit Amet'
      );
      $data['data_to_load'] = array($header,$content);

	  $data['tmp_file']='promo/front';
      // load view index.php dengan beban data $data
      $this->load->view('index',$data);
    }





        public function hapus($param = ""){
            if($param != ""){
                //cek nama image dari database
                $this->db->select('*');
        $this->db->where(array('id_promo'=>$param));
        $data =  $this->db->get('tabel_promo');
                $result =  $data->first_row('array');
                $nama = $result['gambar'];

                //hapus image dari server

                    // lokasi folder image
                $map = $_SERVER['DOCUMENT_ROOT'];
                $path = $map . '/project/gambar/';

                //lokasi gambar secara spesifik
                $image = $path.$nama;
                //hapus image
                unlink($image);

                //script untuk delete data di database
                $this->db->delete('tabel_promo', array('id_promo'=>$param));
                redirect(promosi);
            }else{
                redirect('/');
            }
        }
}