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<?php declare(strict_types=1); |
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namespace Kepawni\Twilted\Basic\TestSample; |
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use Assert\Assert; |
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use Kepawni\Twilted\Basic\SimpleAggregateRoot; |
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use Kepawni\Twilted\Basic\TestSample\Event\ItemWasAddedToShoppingBasket; |
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use Kepawni\Twilted\Basic\TestSample\Event\ShoppingBasketWasCheckedOut; |
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use Kepawni\Twilted\Basic\TestSample\Event\ShoppingBasketWasPickedUpByNewCustomer; |
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use Kepawni\Twilted\Basic\TestSample\Event\ShoppingBasketWasPickedUpByReturningCustomer; |
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use Kepawni\Twilted\EntityIdentifier; |
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class ShoppingBasket extends SimpleAggregateRoot |
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{ |
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const FAKE_CUSTOMER_ID = '8ccbb53b-6f23-43b8-be73-00efdfb90996'; |
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private $isClosed = false; |
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private $items = []; |
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/** @var string|null */ |
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private $returningCustomerId = null; |
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public static function pickUp(EntityIdentifier $uuid, string $returningCustomerId = null) |
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{ |
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$basket = new static($uuid); |
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if ($returningCustomerId) { |
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Assert::that($returningCustomerId)->uuid(); |
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$basket->recordThat(new ShoppingBasketWasPickedUpByReturningCustomer($returningCustomerId)); |
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} else { |
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$basket->recordThat(new ShoppingBasketWasPickedUpByNewCustomer()); |
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} |
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return $basket; |
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} |
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public function addItem(string $itemCode, int $quantity = 1) |
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{ |
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Assert::that($this->isClosed)->false('Basket has been closed during checkout'); |
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$this->recordThat(new ItemWasAddedToShoppingBasket($itemCode, $quantity)); |
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} |
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public function checkout($billingData, $shippingData, $paymentInformation) |
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{ |
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Assert::that(array_sum($this->items))->greaterThan(0, 'Empty baskets cannot be processed'); |
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$newCustomerId = $this->magicallyCreateCustomerId($billingData, $shippingData, $paymentInformation); |
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$this->recordThat(new ShoppingBasketWasCheckedOut($newCustomerId)); |
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} |
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public function quickCheckout() |
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{ |
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Assert::that(array_sum($this->items))->greaterThan(0, 'Empty baskets cannot be processed'); |
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Assert::that($this->returningCustomerId)->notNull('Quick checkout is possible only for returning customers'); |
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$this->recordThat(new ShoppingBasketWasCheckedOut($this->returningCustomerId ?: '')); |
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} |
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protected function whenItemWasAddedToShoppingBasket(ItemWasAddedToShoppingBasket $event) |
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{ |
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$this->items[$event->getItemCode()] = $this->items[$event->getItemCode()] ?? 0; |
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$this->items[$event->getItemCode()] += $event->getQuantity(); |
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} |
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protected function whenShoppingBasketWasCheckedOut(ShoppingBasketWasCheckedOut $event) |
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{ |
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$this->isClosed = true; |
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$this->items = []; |
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} |
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protected function whenShoppingBasketWasPickedUpByNewCustomer(ShoppingBasketWasPickedUpByNewCustomer $event) |
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{ |
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} |
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protected function whenShoppingBasketWasPickedUpByReturningCustomer(ShoppingBasketWasPickedUpByReturningCustomer $event) |
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{ |
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$this->returningCustomerId = $event->getReturningCustomerId(); |
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} |
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private function magicallyCreateCustomerId($billingData, $shippingData, $paymentInformation): string |
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{ |
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return self::FAKE_CUSTOMER_ID; |
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} |
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} |
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kepawni /
twilted
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.