Simara\Cart\Domain\Cart\Item

Complexity

Total Complexity

8

Size/Duplication

Total Lines	59
Duplicated Lines	0 %

Importance

Changes

0

7 Methods

Rating	Name	Duplication	Size	Complexity
A	changeAmount()	0	4	1
A	getProductId()	0	3	1
A	add()	0	4	1
A	toDetail()	0	3	1
A	checkAmount()	0	4	2
A	calculatePrice()	0	3	1
A	__construct()	0	5	1

<?php

namespace Simara\Cart\Domain\Cart;

use Simara\Cart\Domain\Cart\ItemDetail;
use Simara\Cart\Domain\Price;
use Simara\Cart\Domain\Prices\Prices;

class Item
{
    private $generatedId;

The private property $generatedId is not used, and could be removed.

    private string $productId;

    private int $amount;

    /**
     * @throws AmountMustBePositiveException
	 */
    public function __construct(string $productId, int $amount)
    {
        $this->checkAmount($amount);
        $this->productId = $productId;
        $this->amount = $amount;
    }

    public function toDetail(Prices $prices): ItemDetail
    {
        return new ItemDetail($this->productId, $prices->unitPrice($this->productId), $this->amount);
    }

    public function getProductId(): string
    {
        return $this->productId;
    }

    /**
     * @throws AmountMustBePositiveException
	 */
    public function add(int $amount): void
    {
        $this->checkAmount($amount);
        $this->amount = $this->amount + $amount;
    }

    /**
     * @throws AmountMustBePositiveException
	 */
    private function checkAmount(int $amount): void
    {
        if ($amount <= 0) {
            throw new AmountMustBePositiveException();
        }
    }

    /**
     * @throws AmountMustBePositiveException
	 */
    public function changeAmount(int $amount): void
    {
        $this->checkAmount($amount);
        $this->amount = $amount;
    }

    public function calculatePrice(Prices $prices): Price
	{
        return $prices->unitPrice($this->productId)->multiply($this->amount);
    }
}