public function generate_barcodes($item_ids)
{
$this->load->library('barcode_lib');
$item_ids = explode(':', $item_ids);
$result = $this->Item->get_multiple_info($item_ids, $this->item_lib->get_item_location())->result_array();
$config = $this->barcode_lib->get_barcode_config();
$data['barcode_config'] = $config;
// check the list of items to see if any item_number field is empty
foreach ($result as &$item) {
$item = $this->xss_clean($item);
// update the UPC/EAN/ISBN field if empty / NULL with the newly generated barcode
if (empty($item['item_number']) && $this->Appconfig->get('barcode_generate_if_empty')) {
// get the newly generated barcode
$barcode_instance = Barcode_lib::barcode_instance($item, $config);
$item['item_number'] = $barcode_instance->getData();
$save_item = array('item_number' => $item['item_number']);
// update the item in the database in order to save the UPC/EAN/ISBN field
$this->Item->save($save_item, $item['item_id']);
}
}
$data['items'] = $result;
// display barcodes
$this->load->view('barcodes/barcode_sheet', $data);
}
function generate_barcodes($item_ids)
{
$this->load->library('barcode_lib');
$result = array();
$item_ids = explode(':', $item_ids);
$result = $this->Item->get_multiple_info($item_ids)->result_array();
$config = $this->barcode_lib->get_barcode_config();
$data['barcode_config'] = $config;
// check the list of items to see if any item_number field is empty
foreach ($result as &$item) {
// update the UPC/EAN/ISBN field if empty / null with the newly generated barcode
if (empty($item['item_number']) && $this->Appconfig->get('barcode_generate_if_empty')) {
// get the newly generated barcode
$barcode_instance = Barcode_lib::barcode_instance($item, $config);
$item['item_number'] = $barcode_instance->getData();
// remove from item any suppliers table info to avoid save failure because of unknown fields
// WARNING: if suppliers table is changed this list needs to be upgraded, which makes the matter a bit tricky to maintain
unset($item['person_id']);
unset($item['company_name']);
unset($item['account_number']);
unset($item['agency_name']);
// update the item in the database in order to save the UPC/EAN/ISBN field
$this->Item->save($item, $item['item_id']);
}
}
$data['items'] = $result;
// display barcodes
$this->load->view("barcode_sheet", $data);
}
private function generate_barcode($item, $barcode_config)
{
try {
$barcode_instance = Barcode_lib::barcode_instance($item, $barcode_config);
$barcode_instance->setQuality($barcode_config['barcode_quality']);
$barcode_instance->setDimensions($barcode_config['barcode_width'], $barcode_config['barcode_height']);
$barcode_instance->draw();
return $barcode_instance->base64();
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), "\n";
}
}