<?php

namespace UkrSolution\WpLabelsPrinting4\LabelDataMakers\Shortcodes\Woocommerce;

class OrderCartDiscount extends OrderCustomField
{
    const ORDER = 4200;
    const DOC_LINES = array('Coupon discount:' => '[order-cart-discount]');

    public $display_name = 'Price: Discount';

    public function getValue($post, $field)
    {
        $field['value'] = '_cart_discount';

        $value = parent::getValue($post, $field);

        return $value !== ''
            ? $this->getValueWithCurrency($value, $field)
            : '';
    }
}