class CartEventSubscriber in Mailchimp E-Commerce 8

Event Subscriber for Commerce Carts.

Hierarchy

• class \Drupal\mailchimp_ecommerce_commerce\EventSubscriber\CartEventSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

1 string reference to 'CartEventSubscriber'

mailchimp_ecommerce_commerce.services.yml in modules/mailchimp_ecommerce_commerce/mailchimp_ecommerce_commerce.services.yml

modules/mailchimp_ecommerce_commerce/mailchimp_ecommerce_commerce.services.yml

1 service uses CartEventSubscriber

mailchimp_ecommerce_commerce.cart_event_subscriber in modules/mailchimp_ecommerce_commerce/mailchimp_ecommerce_commerce.services.yml

\Drupal\mailchimp_ecommerce_commerce\EventSubscriber\CartEventSubscriber

File

modules/mailchimp_ecommerce_commerce/src/EventSubscriber/CartEventSubscriber.php, line 20

Namespace

Drupal\mailchimp_ecommerce_commerce\EventSubscriber

class CartEventSubscriber implements EventSubscriberInterface {

  /**
   * The Cart Handler.
   *
   * @var \Drupal\mailchimp_ecommerce\CartHandler
   */
  private $cart_handler;

  /**
   * The Order Handler.
   *
   * @var \Drupal\mailchimp_ecommerce\OrderHandler
   */
  private $order_handler;

  /**
   * The Customer Handler.
   *
   * @var \Drupal\mailchimp_ecommerce\CustomerHandler
   */
  private $customer_handler;

  /**
   * CartEventSubscriber constructor.
   *
   * @param \Drupal\mailchimp_ecommerce\CartHandler $cart_handler
   *   The Cart Handler.
   * @param \Drupal\mailchimp_ecommerce\OrderHandler $order_handler
   *   The Order Handler.
   * @param \Drupal\mailchimp_ecommerce\CustomerHandler $customer_handler
   *   The Customer Handler.
   */
  public function __construct(CartHandler $cart_handler, OrderHandler $order_handler, CustomerHandler $customer_handler) {
    $this->cart_handler = $cart_handler;
    $this->order_handler = $order_handler;
    $this->customer_handler = $customer_handler;
  }

  /**
   * Respond to event fired after adding a cart item.
   *
   * Initial cart creation in Mailchimp needs to happen when the first cart
   * item is added. This is because we can't rely on the total price being
   * available when the Commerce Order itself is first created.
   */
  public function cartAdd(CartEntityAddEvent $event) {

    /** @var \Drupal\commerce_order\Entity\Order $order */
    $order = $event
      ->getCart();
    $customer['email_address'] = $order
      ->getEmail();
    if (empty($customer['email_address'])) {

      // Cannot create or add an item to a cart with no customer email address.
      return;
    }
    if ($this->cart_handler
      ->cartExists($order
      ->id())) {

      // Add item to the existing cart.

      /** @var \Drupal\commerce_order\Entity\OrderItem $order_item */
      $order_item = $event
        ->getOrderItem();
      $product = $this->order_handler
        ->buildProduct($order_item);
      $this->cart_handler
        ->addCartLine($order
        ->id(), $order_item
        ->id(), $product);
    }
    else {

      // Create a new cart.
      $billing_profile = $order
        ->getBillingProfile();
      $customer = $this->customer_handler
        ->buildCustomer($customer, $billing_profile);

      // Update or add customer in case this is a new cart.
      $this->customer_handler
        ->addOrUpdateCustomer($customer);
      $order_data = $this->order_handler
        ->buildOrder($order, $customer);

      // Add cart total price to order data.
      if (!isset($order_data['currency_code'])) {

        /** @var Price $price */
        $price = $event
          ->getEntity()
          ->getPrice();
        $order_data['currency_code'] = $price
          ->getCurrencyCode();
        $order_data['order_total'] = $price
          ->getNumber();
      }
      $order_data['checkout_url'] = Url::fromRoute('commerce_checkout.form', [
        'commerce_order' => $order
          ->id(),
      ], [
        'absolute' => TRUE,
      ])
        ->toString();
      $this->cart_handler
        ->addOrUpdateCart($order
        ->id(), $customer, $order_data);
    }
  }

  /**
   * Respond to event fired after updating a cart item.
   */
  public function cartItemUpdate(CartOrderItemUpdateEvent $event) {

    /** @var \Drupal\commerce_order\Entity\Order $order */
    $order = $event
      ->getCart();

    /** @var \Drupal\commerce_order\Entity\OrderItem $order_item */
    $order_item = $event
      ->getOrderItem();
    $product = $this->order_handler
      ->buildProduct($order_item);
    $this->cart_handler
      ->updateCartLine($order
      ->id(), $order_item
      ->id(), $product);
  }

  /**
   * Respond to event fired after removing a cart item.
   */
  public function cartItemRemove(CartOrderItemRemoveEvent $event) {

    /** @var \Drupal\commerce_order\Entity\Order $order */
    $order = $event
      ->getCart();
    if (empty($order
      ->getItems())) {
      $this->cart_handler
        ->deleteCart($order
        ->id());
    }
    else {
      $this->cart_handler
        ->deleteCartLine($order
        ->id(), $event
        ->getOrderItem()
        ->id());
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[CartEvents::CART_ENTITY_ADD][] = [
      'cartAdd',
    ];
    $events[CartEvents::CART_ORDER_ITEM_UPDATE][] = [
      'cartItemUpdate',
    ];
    $events[CartEvents::CART_ORDER_ITEM_REMOVE][] = [
      'cartItemRemove',
    ];
    return $events;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
CartEventSubscriber::$cart_handler	private	property	The Cart Handler.
CartEventSubscriber::$customer_handler	private	property	The Customer Handler.
CartEventSubscriber::$order_handler	private	property	The Order Handler.
CartEventSubscriber::cartAdd	public	function	Respond to event fired after adding a cart item.
CartEventSubscriber::cartItemRemove	public	function	Respond to event fired after removing a cart item.
CartEventSubscriber::cartItemUpdate	public	function	Respond to event fired after updating a cart item.
CartEventSubscriber::getSubscribedEvents	public static	function
CartEventSubscriber::__construct	public	function	CartEventSubscriber constructor.