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

class Product_model extends CI_Model

{

private $_table = "products";

public $product_id;

public $name;

public $price;

public $image = "default.jpg";

public $description;

public function rules()

{

return [

['field' => 'name',

'label' => 'Name',

'rules' => 'required'],

['field' => 'price',

'label' => 'Price',

'rules' => 'numeric'],

['field' => 'description',

'label' => 'Description',

'rules' => 'required']

];

}

public function getAll()

{

return $this->db->get($this->_table)->result();

}

public function getById($id)

{

return $this->db->get_where($this->_table, ["product_id" => $id])->row();

}

public function save()

{

$post = $this->input->post();

$this->product_id = uniqid();

$this->name = $post["name"];

$this->price = $post["price"];

$this->image = $this->_uploadImage();

$this->description = $post["description"];

$this->db->insert($this->_table, $this);

}

public function update()

{

$post = $this->input->post();

$this->product_id = $post["id"];

$this->name = $post["name"];

$this->price = $post["price"];

if (!empty($_FILES["image"]["name"])) {

$this->image = $this->_uploadImage();

} else {

$this->image = $post["old_image"];

}

$this->description = $post["description"];

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

}

public function delete($id)

{

$this->_deleteImage($id);

return $this->db->delete($this->_table, array("product_id" => $id));

}

private function _uploadImage()

{

$config['upload_path'] = './upload/product/';

$config['allowed_types'] = 'gif|jpg|png';

$config['file_name'] = $this->product_id;

$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('image')) {

return $this->upload->data("file_name");

}

return "default.jpg";

}

private function _deleteImage($id)

{

$product = $this->getById($id);

if ($product->image != "default.jpg") {

$filename = explode(".", $product->image)[0];

return array_map('unlink', glob(FCPATH."upload/product/$filename.*"));

}

}

}