hiqdev\php\billing\charge\FormulaChargeModifierTrait

Complexity

Total Complexity

2

Size/Duplication

Total Lines	19
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Test Coverage

Coverage

0%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	modifyCharge()	0	4	2

<?php
/**
 * PHP Billing Library
 *
 * @link      https://github.com/hiqdev/php-billing
 * @package   php-billing
 * @license   BSD-3-Clause
 * @copyright Copyright (c) 2017-2018, HiQDev (http://hiqdev.com/)
 */

namespace hiqdev\php\billing\charge;

use hiqdev\php\billing\action\ActionInterface;
use hiqdev\php\billing\charge\ChargeInterface;
use hiqdev\php\billing\formula\FormulaInterface;

/**
 * Price with formula
 * Provides charge modification (recalculation) with formula.
 *
 * @author Andrii Vasyliev <sol@hiqdev.com>
 */
trait FormulaChargeModifierTrait
{
    /**
     * @var ChargeModifier|null
     */
    protected $formula;

    /**
     * Calculate additional charges.
     *
     * @param ActionInterface $action
     * @param ChargeInterface $charge
     * @return ChargeInterface[] calculated charges
     */
    public function modifyCharge(ChargeInterface $charge, ActionInterface $action): array
    {
        return $formula ? $formula->modifyCharge($charge, $action) : [];

The variable $formula does not exist. Did you forget to declare it?

    }
}