Barang_model

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

class BarangCRUD_model extends CI_Model
{
    private $_table = "barang";
    public $id;
    public $nama;
    public $foto;
    public $deskripsi;
    public $kategori;
    public $harga_beli;
    public $harga_jual;
    public $stok;

    public function getAll()
    {
        return $this->db->get($this->_table)->result();
    }

    public function getById($id)
    {
        return $this->db->get_where($this->_table, ["id" => $id])->row();
    }

    public function save()
    {
        $post = $this->input->post();
        $this->nama = $post["nama"];
        $this->foto = $this->_uploadImage();
        $this->deskripsi = $post["deskripsi"];
        $this->kategori = $post["kategori"];
        $this->harga_beli = $post["harga_beli"];
        $this->harga_jual = $post["harga_jual"];
        $this->stok = $post["stok"];
        $this->db->insert($this->_table, $this);
    }

    public function update()
    {
        $post = $this->input->post();
        $this->id = $post["id"];
        $this->nama = $post["nama"];
        // $this->foto = $this->_uploadImage();
        $this->deskripsi = $post["deskripsi"];
        $this->kategori = $post["kategori"];
        $this->harga_beli = $post["harga_beli"];
        $this->harga_jual = $post["harga_jual"];
        $this->stok = $post["stok"];

        if (!empty($_FILES["foto"]["name"])) {
            $this->foto = $this->_uploadImage();
        } else {
            $this->foto = $post["foto"];
        }

        $this->db->update($this->_table, $this, array('id' => $post['id']));
    }

    public function delete($id)
    {
        $this->_deleteImage($id);
        return $this->db->delete($this->_table, array("id" => $id));
    }

    private function _uploadImage()
    {
        $config['upload_path']          = './upload/barang/';
        $config['allowed_types']        = 'gif|jpg|png';
        $config['file_name']            = $this->nama;
        $config['overwrite']            = true;
        $config['max_size']             = 1024; // 1MB
        // $config['max_width']            = 1024;
        // $config['max_height']           = 768;

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

        if ($this->upload->do_upload('foto')) {
            return $this->upload->data("file_name");
        }

        return "default.jpg";
    }

    private function _deleteImage($id)
    {
        $barang = $this->getById($id);
        if ($barang->foto != "deffault.jpg") {
            $filename = explode(".", $barang->foto)[0];
            return array_map('unlink', glob(FCPATH."upload/barang/$filename.*"));
        }
    }

}