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

class Products extends MY_Controller
{
    public function __construct()
    {
        parent::__construct();

if (!$this->loggedIn) {
            redirect('login');
        }

$this->load->library('form_validation');
        $this->load->model('products_model');
    }

public function add()
    {
        if (!$this->Admin) {
            $this->session->set_flashdata('error', lang('access_denied'));
            redirect('pos');
        }

$this->form_validation->set_rules('code', lang('product_code'), 'trim|is_unique[products.code]|min_length[2]|max_length[50]|required|alpha_numeric');
        $this->form_validation->set_rules('name', lang('product_name'), 'required');
        $this->form_validation->set_rules('category', lang('category'), 'required');
        $this->form_validation->set_rules('price', lang('product_price'), 'required|is_numeric');
        if ($this->input->post('type') != 'service') {
            $this->form_validation->set_rules('cost', lang('product_cost'), 'required|is_numeric');
        }
        $this->form_validation->set_rules('product_tax', lang('product_tax'), 'required|is_numeric');
        $this->form_validation->set_rules('alert_quantity', lang('alert_quantity'), 'is_numeric');

if ($this->form_validation->run() == true) {
            $data = [
                'type'                 => $this->input->post('type'),
                'code'                 => $this->input->post('code'),
                'name'                 => $this->input->post('name'),
                'category_id'          => $this->input->post('category'),
                'price'                => $this->input->post('price'),
                'cost'                 => $this->input->post('cost'),
                'tax'                  => $this->input->post('product_tax'),
                'pant_shirt_category'  => $this->input->post('pant_shirt_category'),
                'tax_method'           => $this->input->post('tax_method'),
                'alert_quantity'       => $this->input->post('alert_quantity'),
                'details'              => $this->input->post('details'),
                'barcode_symbology'    => $this->input->post('barcode_symbology'),
                'units'                => $this->input->post('units'),
            ];

if ($this->Settings->multi_store) {
                $stores = $this->site->getAllStores();
                foreach ($stores as $store) {
                    $store_quantities[] = [
                        'store_id' => $store->id,
                        'quantity' => $this->input->post('quantity' . $store->id),
                        'price'    => $this->input->post('price' . $store->id),
                    ];
                }
            } else {
                $store_quantities[] = [
                    'store_id' => 1,
                    'quantity' => $this->input->post('quantity'),
                    'price'    => $this->input->post('price'),
                ];
            }

if ($this->input->post('type') == 'combo') {
                $c = sizeof($_POST['combo_item_code']) - 1;
                for ($r = 0; $r <= $c; $r++) {
                    if (isset($_POST['combo_item_code'][$r]) && isset($_POST['combo_item_quantity'][$r])) {
                        $items[] = [
                            'item_code' => $_POST['combo_item_code'][$r],
                            'quantity'  => $_POST['combo_item_quantity'][$r],
                        ];
                    }
                }
            } else {
                $items = [];
            }

if ($_FILES['userfile']['size'] > 0) {
                $this->load->library('upload');

$config['upload_path']   = 'uploads/';
                $config['allowed_types'] = 'gif|jpg|png';
                $config['max_size']      = '500';
                $config['max_width']     = '800';
                $config['max_height']    = '800';
                $config['overwrite']     = false;
                $config['encrypt_name']  = true;
                $this->upload->initialize($config);

if (!$this->upload->do_upload()) {
                    $error = $this->upload->display_errors();
                    $this->session->set_flashdata('error', $error);
                    redirect('products/add');
                }

$photo         = $this->upload->file_name;
                $data['image'] = $photo;

$this->load->library('image_lib');
                $config['image_library']  = 'gd2';
                $config['source_image']   = 'uploads/' . $photo;
                $config['new_image']      = 'uploads/thumbs/' . $photo;
                $config['maintain_ratio'] = true;
                $config['width']          = 110;
                $config['height']         = 110;

$this->image_lib->clear();
                $this->image_lib->initialize($config);

if (!$this->image_lib->resize()) {
                    $this->session->set_flashdata('error', $this->image_lib->display_errors());
                    redirect('products/add');
                }
            }
            // $this->tec->print_arrays($data, $items);
        }

if ($this->form_validation->run() == true && $this->products_model->addProduct($data, $store_quantities, $items)) {
            $this->session->set_flashdata('message', lang('product_added'));
            redirect('products');
        } else {
            $this->data['error']      = (validation_errors() ? validation_errors() : $this->session->flashdata('error'));
            $this->data['stores']     = $this->site->getAllStores();
            $this->data['categories'] = $this->site->getAllCategories();
            $this->data['units']      = $this->site->getAllUnits();
            $this->data['page_title'] = lang('add_product');
            $bc                       = [['link' => site_url('products'), 'page' => lang('products')], ['link' => '#', 'page' => lang('add_product')]];
            $meta                     = ['page_title' => lang('add_product'), 'bc' => $bc];
            $this->page_construct('products/add', $this->data, $meta);
        }
    }

public function barcode($product_code = null)
    {
        if ($this->input->get('code')) {
            $product_code = $this->input->get('code');
        }
        $data['product_details'] = $this->products_model->getProductByCode($product_code);
        $data['img']             = "<img src='" . base_url() . "index.php?products/gen_barcode&code={$product_code}' alt='{$product_code}' />";
        $this->load->view('barcode', $data);
    }

public function delete($id = null)
    {
        if (DEMO) {
            $this->session->set_flashdata('error', lang('disabled_in_demo'));
            redirect($_SERVER['HTTP_REFERER'] ?? 'welcome');
        }

if ($this->input->get('id')) {
            $id = $this->input->get('id');
        }

if (!$this->Admin) {
            $this->session->set_flashdata('error', lang('access_denied'));
            redirect('pos');
        }

if ($this->products_model->deleteProduct($id)) {
            $this->session->set_flashdata('message', lang('product_deleted'));
            redirect('products');
        }
    }

public function edit($id = null)
    {
        if (!$this->Admin) {
            $this->session->set_flashdata('error', lang('access_denied'));
            redirect('pos');
        }
        if ($this->input->get('id')) {
            $id = $this->input->get('id');
        }

$pr_details = $this->site->getProductByID($id);
        if ($this->input->post('code') != $pr_details->code) {
            $this->form_validation->set_rules('code', lang('product_code'), 'is_unique[products.code]');
        }
        $this->form_validation->set_rules('code', lang('product_code'), 'trim|min_length[2]|max_length[50]|required|alpha_numeric');
        $this->form_validation->set_rules('name', lang('product_name'), 'required');
        $this->form_validation->set_rules('category', lang('category'), 'required');
        $this->form_validation->set_rules('price', lang('product_price'), 'required|is_numeric');
        $this->form_validation->set_rules('cost', lang('product_cost'), 'required|is_numeric');
        $this->form_validation->set_rules('product_tax', lang('product_tax'), 'required|is_numeric');
        $this->form_validation->set_rules('alert_quantity', lang('alert_quantity'), 'is_numeric');

if ($this->form_validation->run() == true) {
            $data = [
                'type'                 => $this->input->post('type'),
                'code'                 => $this->input->post('code'),
                'name'                 => $this->input->post('name'),
                'category_id'          => $this->input->post('category'),
                'pant_shirt_category'  => $this->input->post('pant_shirt_category'),
                'price'                => $this->input->post('price'),
                'cost'                 => $this->input->post('cost'),
                'tax'                  => $this->input->post('product_tax'),
                'tax_method'           => $this->input->post('tax_method'),
                'alert_quantity'       => $this->input->post('alert_quantity'),
                'details'              => $this->input->post('details'),
                'barcode_symbology'    => $this->input->post('barcode_symbology'),
                'units'                => $this->input->post('units'),
            ];

if ($_FILES['userfile']['size'] > 0) {
                $this->load->library('upload');

if (!$this->upload->do_upload()) {
                    $error = $this->upload->display_errors();
                    $this->session->set_flashdata('error', $error);
                    redirect('products/edit/' . $id);
                }

$photo = $this->upload->file_name;

$this->load->helper('file');
                $this->load->library('image_lib');
                $config['image_library']  = 'gd2';
                $config['source_image']   = 'uploads/' . $photo;
                $config['new_image']      = 'uploads/thumbs/' . $photo;
                $config['maintain_ratio'] = true;
                $config['width']          = 110;
                $config['height']         = 110;

$this->image_lib->clear();
                $this->image_lib->initialize($config);

if (!$this->image_lib->resize()) {
                    $this->session->set_flashdata('error', $this->image_lib->display_errors());
                    redirect('products/edit/' . $id);
                }
            } else {
                $photo = null;
            }
        }

if ($this->form_validation->run() == true && $this->products_model->updateProduct($id, $data, $store_quantities, $items, $photo)) {
            $this->session->set_flashdata('message', lang('product_updated'));
            redirect('products');
        } else {
            $this->data['error'] = (validation_errors() ? validation_errors() : $this->session->flashdata('error'));
            $product             = $this->site->getProductByID($id);
            if ($product->type == 'combo') {
                $combo_items = $this->products_model->getComboItemsByPID($id);
                foreach ($combo_items as $combo_item) {
                    $cpr      = $this->site->getProductByID($combo_item->id);
                    $cpr->qty = $combo_item->qty;
                    $items[]  = ['id' => $cpr->id, 'row' => $cpr];
                }
                $this->data['items'] = $items;
            }
            $this->data['product']           = $product;
            $this->data['stores']            = $this->site->getAllStores();
            $this->data['stores_quantities'] = $this->Settings->multi_store ? $this->products_model->getStoresQuantity($id) : $this->products_model->getStoreQuantity($id);
            $this->data['categories']        = $this->site->getAllCategories();
            $this->data['units']             = $this->site->getAllUnits();
            $this->data['page_title']        = lang('edit_product');
            $bc                              = [['link' => site_url('products'), 'page' => lang('products')], ['link' => '#', 'page' => lang('edit_product')]];
            $meta                            = ['page_title' => lang('edit_product'), 'bc' => $bc];
            $this->page_construct('products/edit', $this->data, $meta);
        }
    }

public function gen_barcode($product_code = null, $bcs = 'code128', $height = 60, $text = 1)
    {
        return $this->tec->barcode($product_code, $bcs, $height, $text);
    }

// Sales Product Starts Here 
    public function get_all_sale_items()
    {
        $customers_id = $this->input->get('customer_id');
        $data = $this->products_model->getSalesByCustomerID($customers_id);
        $content='';
        if($data){
            $content='<table style="width: 100%;border: 1px solid black;">
                    <tr>
                          <th class="history_table">DC Number</th>
                          <th class="history_table">Customer Name</th>
                          <th class="history_table">Quantity</th>
                          <th class="history_table">Product Name</th>
                    </tr>';
            foreach($data as $d){
                
                
                $content.='<tr>';
                $content.='<td class="history_table">'.$d->dc_number.'</td>';
                $content.='<td class="history_table">'.$d->customer_name.'</td>';
                $content.='<td class="history_table">'.number_format($d->quantity).'</td>';
                $content.='<td class="history_table">'.$d->product_name.'</td>';
                $content.='</tr>';
                
                $content.='<style>
                                .history_table {
                                  border: 1px solid #dddddd;
                                  text-align: center;
                                  padding: 7px;
                                }
                            </style>';
                
                
            }
            $content.='</table>';
        }else{
            $content.='<center><b>No Data Available</b></center>';
        }
        echo $content;
        
    }
    // Sales Product Endss Here
    
    public function get_products($store_id)
    {
        $category = $this->input->get('category') ? $this->input->get('category') : NULL;
        $types = $this->input->get('types') ? $this->input->get('types') : NULL;
        
        $this->load->library('datatables');
        if ($this->Admin) {
            $this->datatables->select($this->db->dbprefix('products') . '.id as pid, ' . $this->db->dbprefix('products') . '.image as image, ' . $this->db->dbprefix('products') . '.code as code, ' . $this->db->dbprefix('products') . '.name as pname, type, ' . $this->db->dbprefix('categories') . ".name as cname, psq.quantity, tax, tax_method, cost, (CASE WHEN psq.price > 0 THEN psq.price ELSE {$this->db->dbprefix('products')}.price END) as price, barcode_symbology, units.name as unit_name", false);
        } else {
            $this->datatables->select($this->db->dbprefix('products') . '.id as pid, ' . $this->db->dbprefix('products') . '.image as image, ' . $this->db->dbprefix('products') . '.code as code, ' . $this->db->dbprefix('products') . '.name as pname, type, ' . $this->db->dbprefix('categories') . ".name as cname, psq.quantity, tax, tax_method, (CASE WHEN psq.price > 0 THEN psq.price ELSE {$this->db->dbprefix('products')}.price END) as price, barcode_symbology, units.name as unit_name", false);
        }

$this->datatables->from('products')
        ->join('categories', 'categories.id=products.category_id', 'left')
        ->join('units', 'units.id=products.units', 'left')
        ->join('product_store_qty', 'product_store_qty.product_id=products.id', 'left')
        ->join("( SELECT * from {$this->db->dbprefix('product_store_qty')} WHERE store_id = {$store_id}) psq", 'products.id=psq.product_id', 'left')
        ->where('product_store_qty.store_id', $store_id)
        ->group_by('products.id');

$this->datatables->add_column('Actions', "<div class='text-center'><div class='btn-group'><a href='" . site_url('products/view/$1') . "' title='" . lang('view') . "' class='tip btn btn-primary btn-xs' data-toggle='ajax'><i class='fa fa-file-text-o'></i></a><a href='" . site_url('products/single_barcode/$1') . "' title='" . lang('print_barcodes') . "' class='tip btn btn-default btn-xs' data-toggle='ajax-modal'><i class='fa fa-print'></i></a> <a href='" . site_url('products/single_label/$1') . "' title='" . lang('print_labels') . "' class='tip btn btn-default btn-xs' data-toggle='ajax-modal'><i class='fa fa-print'></i></a> <a class='tip image btn btn-primary btn-xs' id='$4 ($3)' href='" . base_url('uploads/$2') . "' title='" . lang('view_image') . "'><i class='fa fa-picture-o'></i></a> <a href='" . site_url('products/edit/$1') . "' title='" . lang('edit_product') . "' class='tip btn btn-warning btn-xs'><i class='fa fa-edit'></i></a> <a href='" . site_url('products/delete/$1') . "' onClick=\"return confirm('" . lang('alert_x_product') . "')\" title='" . lang('delete_product') . "' class='tip btn btn-danger btn-xs'><i class='fa fa-trash-o'></i></a></div></div>", 'pid, image, code, pname, barcode_symbology');

$this->datatables->add_column('Sales_Product', "<div class='text-center'><span class='btn btn-primary btn-xs sales' id='$1'>Sales Product</span></div>", 'pid, image, code, pname, barcode_symbology');

$this->datatables->unset_column('pid')->unset_column('barcode_symbology');
        
        if($category) { $this->datatables->where('category_id', $category); }
        if($types) { $this->datatables->where('type', $types); }
        
        echo $this->datatables->generate();
    }

public function import()
    {
        if (!$this->Admin) {
            $this->session->set_flashdata('error', lang('access_denied'));
            redirect('pos');
        }
        $this->load->helper('security');
        $this->form_validation->set_rules('userfile', lang('upload_file'), 'xss_clean');

if ($this->form_validation->run() == true) {
            if (DEMO) {
                $this->session->set_flashdata('warning', lang('disabled_in_demo'));
                redirect('pos');
            }

if (isset($_FILES['userfile'])) {
                $this->load->library('upload');

$config['upload_path']   = 'uploads/';
                $config['allowed_types'] = 'csv';
                $config['max_size']      = '500';
                $config['overwrite']     = true;

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

if (!$this->upload->do_upload()) {
                    $error = $this->upload->display_errors();
                    $this->session->set_flashdata('error', $error);
                    redirect('products/import');
                }

$csv = $this->upload->file_name;

$arrResult = [];
                $handle    = fopen('uploads/' . $csv, 'r');
                if ($handle) {
                    while (($row = fgetcsv($handle, 1000, ',')) !== false) {
                        $arrResult[] = $row;
                    }
                    fclose($handle);
                }
                array_shift($arrResult);

$keys = ['code', 'name', 'cost', 'tax', 'price', 'category'];

$final = [];
                foreach ($arrResult as $key => $value) {
                    $final[] = array_combine($keys, $value);
                }

if (sizeof($final) > 1001) {
                    $this->session->set_flashdata('error', lang('more_than_allowed'));
                    redirect('products/import');
                }

foreach ($final as $csv_pr) {
                    if ($this->products_model->getProductByCode($csv_pr['code'])) {
                        $this->session->set_flashdata('error', lang('check_product_code') . ' (' . $csv_pr['code'] . '). ' . lang('code_already_exist'));
                        redirect('products/import');
                    }
                    if (!is_numeric($csv_pr['tax'])) {
                        $this->session->set_flashdata('error', lang('check_product_tax') . ' (' . $csv_pr['tax'] . '). ' . lang('tax_not_numeric'));
                        redirect('products/import');
                    }
                    if (!($category = $this->site->getCategoryByCode($csv_pr['category']))) {
                        $this->session->set_flashdata('error', lang('check_category') . ' (' . $csv_pr['category'] . '). ' . lang('category_x_exist'));
                        redirect('products/import');
                    }
                    $data[] = [
                        'type'        => 'standard',
                        'code'        => $csv_pr['code'],
                        'name'        => $csv_pr['name'],
                        'cost'        => $csv_pr['cost'],
                        'tax'         => $csv_pr['tax'],
                        'price'       => $csv_pr['price'],
                        'category_id' => $category->id,
                    ];
                }
                //print_r($data); die();
            }
        }

if ($this->form_validation->run() == true && $this->products_model->add_products($data)) {
            $this->session->set_flashdata('message', lang('products_added'));
            redirect('products');
        } else {
            $this->data['error']      = (validation_errors() ? validation_errors() : $this->session->flashdata('error'));
            $this->data['categories'] = $this->site->getAllCategories();
            $this->data['page_title'] = lang('import_products');
            $bc                       = [['link' => site_url('products'), 'page' => lang('products')], ['link' => '#', 'page' => lang('import_products')]];
            $meta                     = ['page_title' => lang('import_products'), 'bc' => $bc];
            $this->page_construct('products/import', $this->data, $meta);
        }
    }

public function index()
    {
        $stores = $this->site->getAllStores();
        if ($this->input->get('store_id') && !$this->session->userdata('has_store_id')) {
            $this->data['store'] = $this->site->getStoreByID($this->input->get('store_id', true));
        } elseif ($this->session->userdata('store_id')) {
            $this->data['store'] = $this->site->getStoreByID($this->session->userdata('store_id'));
        } else {
            $this->data['store'] = current($stores);
        }
        $this->data['stores']     = $stores;
        $data['error']            = (validation_errors()) ? validation_errors() : $this->session->flashdata('error');
        $this->data['units']      = $this->site->getAllUnits();
        $this->data['category']   = $this->products_model->getAllCategory();
        $this->data['page_title'] = lang('products');
        $bc                       = [['link' => '#', 'page' => lang('products')]];
        $meta                     = ['page_title' => lang('products'), 'bc' => $bc];
        $this->page_construct('products/index', $this->data, $meta);
    }

public function print_barcodes()
    {
        $limit = 10;
        $this->load->helper('pagination');
        $page       = $this->input->get('page');
        $total      = $this->products_model->products_count();
        $info       = ['page' => $page, 'total' => ceil($total / $limit)];
        $pagination = pagination('products/print_barcodes', $total, $limit, true);
        $products   = $this->products_model->fetch_products($limit, (!empty($page) ? (($page - 1) * $limit) : 0));
        $r          = 1;
        $html       = '';
        $html .= '<table class="table table-bordered table-centered mb0">
        <tbody><tr>';
        foreach ($products as $pr) {
            if ($r != 1) {
                $rw = (bool)($r & 1);
                $html .= $rw ? '</tr><tr>' : '';
            }
            $html .= '<td><h4>' . $this->Settings->site_name . '</h4><strong>' . $pr->name . '</strong><br>' . $this->product_barcode($pr->code, $pr->barcode_symbology, 60) . '<br><span class="price">' . lang('price') . ': ' . $this->Settings->currency_prefix . ' ' . $this->tec->formatMoney($pr->price) . '</span></td>';
            $r++;
        }
        $html .= '</tr></tbody>
        </table>';
        $this->data['links']      = $pagination;
        $this->data['html']       = $html;
        $this->data['page_title'] = lang('print_barcodes');
        $this->load->view($this->theme . 'products/print_barcodes', $this->data);
    }

public function print_labels()
    {
        $limit = 10;
        $this->load->helper('pagination');
        $page       = $this->input->get('page');
        $total      = $this->products_model->products_count();
        $info       = ['page' => $page, 'total' => ceil($total / $limit)];
        $pagination = pagination('products/print_labels', $total, $limit, true);
        $products   = $this->products_model->fetch_products($limit, (!empty($page) ? (($page - 1) * $limit) : 0));
        $html       = '';
        foreach ($products as $pr) {
            $html .= '<div class="text-center labels break-after"><strong>' . $pr->name . '</strong><br>' . $this->product_barcode($pr->code, $pr->barcode_symbology, 25) . '<br><span class="price">' . lang('price') . ': ' . $this->Settings->currency_prefix . ' ' . $this->tec->formatMoney($pr->price) . '</span></div>';
        }
        $this->data['links']      = $pagination;
        $this->data['html']       = $html;
        $this->data['page_title'] = lang('print_labels');
        $this->load->view($this->theme . 'products/print_labels', $this->data);
    }

public function product_barcode($product_code = null, $bcs = 'code128', $height = 60)
    {
        if ($this->input->get('code')) {
            $product_code = $this->input->get('code');
        }
        return $this->tec->barcode($product_code, $bcs, $height);
    }

public function single_barcode($product_id = null)
    {
        $product = $this->site->getProductByID($product_id);

$html = '';
        $html .= '<table class="table table-bordered table-centered mb0">
        <tbody><tr>';
        if ($product->quantity > 0) {
            for ($r = 1; $r <= $product->quantity; $r++) {
                if ($r != 1) {
                    $rw = (bool)($r & 1);
                    $html .= $rw ? '</tr><tr>' : '';
                }
                $html .= '<td><h4>' . $this->Settings->site_name . '</h4><strong>' . $product->name . '</strong><br>' . $this->product_barcode($product->code, $product->barcode_symbology, 60) . ' <br><span class="price">' . lang('price') . ': ' . $this->Settings->currency_prefix . ' ' . $this->tec->formatMoney($product->price) . '</span></td>';
            }
        } else {
            for ($r = 1; $r <= 10; $r++) {
                if ($r != 1) {
                    $rw = (bool)($r & 1);
                    $html .= $rw ? '</tr><tr>' : '';
                }
                $html .= '<td><h4>' . $this->Settings->site_name . '</h4><strong>' . $product->name . '</strong><br>' . $this->product_barcode($product->code, $product->barcode_symbology, 60) . ' <br><span class="price">' . lang('price') . ': ' . $this->Settings->currency_prefix . ' ' . $this->tec->formatMoney($product->price) . '</span></td>';
            }
        }
        $html .= '</tr></tbody>
        </table>';

$this->data['html']       = $html;
        $this->data['page_title'] = lang('print_barcodes') . ' (' . $product->name . ')';
        $this->load->view($this->theme . 'products/single_barcode', $this->data);
    }

public function single_label($product_id = null, $warehouse_id = null)
    {
        $product = $this->site->getProductByID($product_id);
        $html    = '';
        if ($product->quantity > 0) {
            for ($r = 1; $r <= $product->quantity; $r++) {
                $html .= '<div class="text-center labels"><strong>' . $product->name . '</strong><br>' . $this->product_barcode($product->code, $product->barcode_symbology, 25) . ' <br><span class="price">' . lang('price') . ': ' . $this->Settings->currency_prefix . ' ' . $this->tec->formatMoney($product->price) . '</span></div>';
            }
        } else {
            for ($r = 1; $r <= 10; $r++) {
                $html .= '<div class="text-center labels"><strong>' . $product->name . '</strong><br>' . $this->product_barcode($product->code, $product->barcode_symbology, 25) . ' <br><span class="price">' . lang('price') . ': ' . $this->Settings->currency_prefix . ' ' . $this->tec->formatMoney($product->price) . '</span></div>';
            }
        }
        $this->data['html']       = $html;
        $this->data['page_title'] = lang('print_labels') . ' (' . $product->name . ')';
        $this->load->view($this->theme . 'products/single_label', $this->data);
    }

public function suggestions()
    {
        $term = $this->input->get('term', true);

$rows = $this->products_model->getProductNames($term);
        if ($rows) {
            foreach ($rows as $row) {
                $row->qty = 1;
                $pr[]     = ['id' => str_replace('.', '', microtime(true)), 'item_id' => $row->id, 'label' => $row->name . ' (' . $row->code . ')', 'row' => $row];
            }
            echo json_encode($pr);
        } else {
            echo json_encode([['id' => 0, 'label' => lang('no_match_found'), 'value' => $term]]);
        }
    }

public function view($id = null)
    {
        $data['error']             = (validation_errors()) ? validation_errors() : $this->session->flashdata('error');
        $product                   = $this->site->getProductByID($id);
        $this->data['product']     = $product;
        $this->data['category']    = $this->site->getCategoryByID($product->category_id);
        $this->data['combo_items'] = $product->type == 'combo' ? $this->products_model->getComboItemsByPID($id) : null;
        $this->load->view($this->theme . 'products/view', $this->data);
    }
}