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<?php declare(strict_types=1); |
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/* |
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* This file is part of the Plane\Shop package. |
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* |
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* (c) Dariusz Korsak <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Plane\Shop; |
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use Money\Money; |
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use Money\Currency; |
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use OutOfBoundsException; |
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use Plane\Shop\PaymentInterface; |
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use Plane\Shop\CartItemInterface; |
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use Plane\Shop\ShippingInterface; |
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use Plane\Shop\CartItemCollection; |
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use Plane\Shop\CartDiscountInterface; |
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final class Cart implements CartInterface |
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{ |
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private $items = []; |
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private $currency; |
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private $shipping; |
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private $payment; |
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private $discounts = []; |
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public function __construct(string $currency) |
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{ |
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$this->currency = $currency; |
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} |
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public function getCurrency(): string |
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{ |
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return $this->currency; |
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} |
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public function setShipping(ShippingInterface $shipping): void |
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{ |
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$this->shipping = $shipping; |
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} |
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public function getShipping(): ?ShippingInterface |
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{ |
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return $this->shipping; |
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} |
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public function setPayment(PaymentInterface $payment): void |
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{ |
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$this->payment = $payment; |
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} |
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public function getPayment(): ?PaymentInterface |
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{ |
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return $this->payment; |
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} |
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public function addDiscount(CartDiscountInterface $discount): void |
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{ |
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$this->discounts[] = $discount; |
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} |
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public function getDiscounts(): array |
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{ |
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return $this->discounts; |
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} |
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public function fill(CartItemCollection $collection): void |
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{ |
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array_map(function ($item) { |
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$this->addItem($item); |
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}, $collection->getItems()); |
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} |
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public function add(CartItemInterface $item): void |
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{ |
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// if product already in the cart, increase quantity |
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if ($this->has($item->getId())) { |
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$this->get($item->getId())->increaseQuantity($item->getQuantity()); |
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return; |
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} |
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$this->addItem($item); |
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} |
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public function remove(string $itemId): void |
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{ |
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if (!$this->has($itemId)) { |
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throw new OutOfBoundsException('Item ' . $itemId . ' not found'); |
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} |
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unset($this->items[$itemId]); |
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} |
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public function clear(): void |
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{ |
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$this->items = []; |
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} |
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public function update(CartItemInterface $item): void |
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{ |
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$this->addItem($item); |
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} |
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public function has(string $itemId): bool |
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{ |
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return array_key_exists($itemId, $this->items); |
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} |
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public function get(string $itemId): CartItemInterface |
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{ |
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if (!$this->has($itemId)) { |
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throw new OutOfBoundsException('Item ' . $itemId . ' not found'); |
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} |
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return $this->items[$itemId]; |
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} |
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public function items(): array |
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{ |
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return $this->items; |
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} |
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public function itemsQuantity(): int |
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{ |
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return (int) array_sum( |
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array_map(function (CartItemInterface $item) { |
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return $item->getQuantity(); |
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}, $this->items) |
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); |
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} |
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public function weight(): string |
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{ |
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return (string) array_sum( |
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array_map(function (CartItemInterface $item) { |
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return $item->getWeightTotal(); |
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}, $this->items) |
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); |
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} |
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public function totalNet(): Money |
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{ |
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$total = array_map(function (CartItemInterface $item) { |
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return $item->getPriceTotal($this->currency); |
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}, $this->items); |
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return $this->sumPrices($total); |
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} |
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public function totalGross(): Money |
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{ |
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$total = array_map(function (CartItemInterface $item) { |
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return $item->getPriceTotalWithTax($this->currency); |
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}, $this->items); |
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return $this->sumPrices($total); |
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} |
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public function tax(): Money |
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{ |
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$total = array_map(function (CartItemInterface $item) { |
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return $item->getTaxTotal($this->currency); |
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}, $this->items); |
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return $this->sumPrices($total); |
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} |
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public function totalAfterDiscounts(): Money |
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{ |
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return !empty($this->discounts) |
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? end($this->discounts)->getPriceAfterDiscount() |
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: $this->totalGross(); |
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} |
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public function shippingCost(): Money |
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{ |
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if (!$this->shipping instanceof ShippingInterface) { |
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return new Money(0, new Currency($this->currency)); |
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} |
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return $this->shipping->getCost($this->currency); |
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} |
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public function paymentFee(): Money |
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{ |
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if (!$this->payment instanceof PaymentInterface) { |
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return new Money(0, new Currency($this->currency)); |
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} |
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return $this->payment->getFee($this->totalAfterDiscounts()->add($this->shippingCost()), $this->currency); |
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} |
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private function addItem(CartItemInterface $item) |
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{ |
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$this->items[$item->getId()] = $item; |
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} |
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private function sumPrices(array $prices): Money |
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{ |
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$money = new Money(0, new Currency($this->currency)); |
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return call_user_func_array([$money, 'add'], $prices); |
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} |
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} |
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