/**
  *
  */
 public function __construct()
 {
     add_filter('woocommerce_api_product_response', array($this, 'product_response'), 10, 4);
     add_action('pre_get_posts', array($this, 'pre_get_posts'));
     $general_settings = new WC_POS_Admin_Settings_General();
     if ($general_settings->get_data('decimal_qty')) {
         remove_filter('woocommerce_stock_amount', 'intval');
         add_filter('woocommerce_stock_amount', 'floatval');
     }
 }
 private function discount_keys()
 {
     $settings = new WC_POS_Admin_Settings_General();
     return $settings->get_data('discount_quick_keys');
 }