controller/page_update

<?php


class Page extends CI_Controller {


    function __construct()
    {
        parent::__construct();
		$this->load->model('My_model');
        $this->load->helper('url');
        $this->load->helper('form');
        $this->load->database();
    }


	function index()
	{
        $this->load->view('tampilan_login');

    }
    function proses_login(){
        $user=$this->input->post('usern');
        $pass=$this->input->post('passw');

        $ceklogin= $this->my_model->login($user,$pass);

        if($ceklogin){
            foreach($ceklogin as $row);
            $this->session->set_userdata('username', $row->username);
            $this->session->set_userdata('level',$row->level);

            if($this->session->userdata('level')=="admin"){
                redirect('/admin');//ini mengambil dari controller admin
            }elseif($this->session->userdata('level')=="user"){
                redirect('user');//ini juga dari controller user
            }
        }else{
            $data['pesan']="Username atau Password tidak sesuai.";
            $this->load->view('tampilan_login',$data);
        }

    }
    function edit($id){
        $where=array('id_barang'=> $id);
        $data['bar'] = $this->my_model->ambil_where($where,'barang')->result();
        $this->load->view('edit',$data);

    }
    function stok($id){
        $where=array('id_barang'=> $id);
        $data['bara'] = $this->my_model->ambil_where($where,'barang')->result();
        $this->load->view('edit_user',$data);

    }
    function proses_edit(){

            $id = $this->uri->segment(3);

            $config['upload_path']         = 'produk/';  // foler upload
            $config['allowed_types']        = 'gif|jpg|png'; // jenis file
            $config['max_size'] = '10000';
            $config['max_width'] = '5000';
            $config['max_height'] = '5000';

            $this->load->library('upload', $config);
            $this->upload->initialize($config);
            $id = $this->input->post('id');
            $gambar_lama = $this->input->post('ganti_gambar');

            $nama = $this->input->post('nama');
            $harga = $this->input->post('harga');
            $stok = $this->input->post('stok');

            $gambar_lama = $this->input->post('ganti_gambar');
            if ($_FILES['userfile']['name'])
            {


             $field_name = "userfile";
            if (!$this->upload->do_upload($filename)) //sesuai dengan name pada form
            {
                $error = array('error' => $this->upload->display_errors());

                $this->load->view('terserah');

            }
            else
            {
                //tampung data dari form


                $file = $this->upload->data();
                $gambar = $file['file_name'];
                $data = array(
                    'nama_barang' => $nama,
                    'harga' => $harga,
                    'stok' => $stok,
                    'gambar' => $gambar

                );
                unlink($path.$gambar_lama);
                $where = array('id_barang'=>$id);
                $this->my_model->update($where, $data,'barang');
                Redirect( site_url('/admin'));

            }
        }

          }

    function hapus($id){
        $where = array('id_barang' => $id);
        $this->my_model->hapus($where,'barang');

        Redirect( site_url('/admin'));


    }

}