Bavix\Wallet\Objects\Cart

Complexity

Total Complexity

17

Size/Duplication

Total Lines	132
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

10 Methods

Rating	Name	Duplication	Size	Complexity
A	make()	0	3	1
A	getTotal()	0	7	2
A	addItem()	0	7	2
A	addItems()	0	7	2
A	canBuy()	0	9	3
A	addQuantity()	0	5	1
A	getItems()	0	3	1
A	count()	0	3	1
A	getQuantity()	0	5	1
A	alreadyBuy()	0	11	3

<?php

namespace Bavix\Wallet\Objects;

use Bavix\Wallet\Interfaces\Customer;
use Bavix\Wallet\Interfaces\Product;
use Bavix\Wallet\Models\Transfer;
use Countable;
use function count;
use function get_class;

class Cart implements Countable
{

    /**
     * @var Product[]
     */
    protected $items = [];

    /**
     * @var int[]
     */
    protected $quantity = [];

    /**
     * @return static
     */
    public static function make(): self
    {
        return new static();
    }

    /**
     * @param Product $product
     * @param int $quantity
     * @return static
     */
    public function addItem(Product $product, int $quantity = 1): self
    {
        $this->addQuantity($product, $quantity);
        for ($i = 0; $i < $quantity; $i++) {
            $this->items[] = $product;
        }
        return $this;
    }

    /**
     * @param iterable $products
     * @return static
     */
    public function addItems(iterable $products): self
    {
        foreach ($products as $product) {
            $this->addItem($product);
        }

        return $this;
    }

    /**
     * @return Product[]
     */
    public function getItems(): array
    {
        return $this->items;
    }

    /**
     * The method returns the transfers already paid for the goods
     *
     * @param Customer $customer
     * @param bool|null $gifts
     * @return Transfer[]
     */
    public function alreadyBuy(Customer $customer, bool $gifts = null): array
    {
        $results = [];
        foreach ($this->getItems() as $item) {
            $transfer = $customer->paid($item, $gifts);
            if ($transfer) {
                $results[] = $transfer;
            }
        }

        return $results;
    }

    /**
     * @param Customer $customer
     * @param bool|null $force
     * @return bool
     */
    public function canBuy(Customer $customer, bool $force = null): bool
    {
        foreach ($this->items as $item) {
            if (!$item->canBuy($customer, $this->getQuantity($item), $force)) {
                return false;
            }
        }

        return true;
    }

    /**
     * @return int
     */
    public function getTotal(): int
    {
        $result = 0;
        foreach ($this->items as $item) {
            $result += $item->getAmountProduct();
        }
        return $result;
    }

    /**
     * @return int
     */
    public function count(): int
    {
        return count($this->items);
    }

    /**
     * @param Product $product
     * @return int
     */
    protected function getQuantity(Product $product): int
    {
        $class = get_class($product);
        $uniq = $product->getUniqueId();
        return $this->quantity[$class][$uniq] ?? 0;
    }

    /**
     * @param Product $product
     * @param int $quantity
     */
    protected function addQuantity(Product $product, int $quantity): void
    {
        $class = get_class($product);
        $uniq = $product->getUniqueId();
        $this->quantity[$class][$uniq] = $this->getQuantity($product) + $quantity;
    }

}