Plane\Shop\Payment

Complexity

Total Complexity

12

Size/Duplication

Total Lines	92
Duplicated Lines	0 %

Coupling/Cohesion

Components	2
Dependencies	4

Test Coverage

Coverage

86.21%

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	19	4
A	createWithFixedFee()	0	4	1
A	createWithPercentageFee()	0	4	1
A	getId()	0	4	1
A	getName()	0	4	1
A	getDescription()	0	4	1
A	getFee()	0	10	2
A	toArray()	0	8	1

<?php

declare(strict_types=1);

/*
 * This file is part of the Plane\Shop package.
 *
 * (c) Dariusz Korsak <dkorsak@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Plane\Shop;

use Money\Money;
use Money\Currency;
use InvalidArgumentException;
use Money\Currencies\ISOCurrencies;
use Money\Parser\DecimalMoneyParser;

class Payment implements PaymentInterface
{
    public const FEE_FIXED = 'fixed';

    public const FEE_PERCENTAGE = 'percentage';

    private $id;

    private $name;

    private $description;

    private $fee;

    private $feeType;

    private $feeTypes = [
        self::FEE_FIXED,
        self::FEE_PERCENTAGE,
    ];

    private $requiredFields = [
        'id',
        'name',
        'fee',
    ];

    public function __construct(array $data, string $feeType = self::FEE_FIXED)
    {
        if (count(array_intersect_key(array_flip($this->requiredFields), $data)) !== count($this->requiredFields)) {
            throw new InvalidArgumentException(
                'Cannot create object, required array keys: ' . implode(', ', $this->requiredFields)
            );
        }

        if (!in_array($feeType, $this->feeTypes, true)) {
            throw new InvalidArgumentException('Invalid fee type');
        }

        // waiting for typed properties in PHP 7.4
        foreach ($data as $property => $value) {
            $this->$property = $value;
        }

        $this->feeType = $feeType;
    }

    public static function createWithFixedFee(array $data): Payment
    {
        return new Payment($data, self::FEE_FIXED);
    }

    public static function createWithPercentageFee(array $data): Payment
    {
        return new Payment($data, self::FEE_PERCENTAGE);
    }

    public function getId(): int
    {
        return $this->id;
    }

    public function getName(): string
    {
        return $this->name;
    }

    public function getDescription(): string
    {
        return $this->description;
    }

    public function getFee(Money $totalPrice, string $currency): Money
    {
        if ($this->feeType === self::FEE_PERCENTAGE) {
            return $totalPrice->multiply($this->fee / 100, Money::ROUND_HALF_DOWN);
        }

        $moneyParser = new DecimalMoneyParser(new ISOCurrencies());

        return $moneyParser->parse((string) $this->fee, new Currency($currency));
    }

    public function toArray(): array
    {
        return [
            'id' => $this->getId(),
            'name' => $this->getName(),
            'desc' => $this->getDescription(),
        ];
    }
}