public function PadoLazyBuilders::addToCartWithAddOnsForm in Commerce Product Add-on 8

Builds the add to cart form.

Parameters

string $product_id: The product ID.

string $view_mode: The view mode used to render the product.

bool $combine: TRUE to combine order items containing the same product variation.

string $add_on_field: The machine name of the product entity reference field to add-ons.

bool multiple: Whether the customer is able to add more add-ons at a time.

Return value

array A renderable array containing the cart form.

File

src/PadoLazyBuilders.php, line 30

Class

PadoLazyBuilders

Provides #lazy_builder callbacks.

Namespace

Drupal\commerce_pado

Code

public function addToCartWithAddOnsForm($product_id, $view_mode, $combine, $add_on_field, $multiple) {

  /** @var \Drupal\commerce_order\OrderItemStorageInterface $order_item_storage */
  $order_item_storage = $this->entityTypeManager
    ->getStorage('commerce_order_item');

  /** @var \Drupal\commerce_product\Entity\ProductInterface $product */
  $product = $this->entityTypeManager
    ->getStorage('commerce_product')
    ->load($product_id);
  $default_variation = $product
    ->getDefaultVariation();
  if (!$default_variation) {
    return [];
  }
  $order_item = $order_item_storage
    ->createFromPurchasableEntity($default_variation);

  /** @var \Drupal\commerce_cart\Form\AddToCartFormInterface $form_object */
  $form_object = $this->entityTypeManager
    ->getFormObject('commerce_order_item', 'pado_add_to_cart');
  $form_object
    ->setEntity($order_item);

  // The default form ID is based on the variation ID, but in this case the
  // product ID is more reliable (the default variation might change between
  // requests due to an availability change, for example).
  $form_object
    ->setFormId($form_object
    ->getBaseFormId() . '_commerce_product_' . $product_id);
  $form_state = (new FormState())
    ->setFormState([
    'product' => $product,
    'view_mode' => $view_mode,
    'settings' => [
      'combine' => $combine,
      'add_on_field' => $add_on_field,
      'multiple' => $multiple,
    ],
  ]);
  return $this->formBuilder
    ->buildForm($form_object, $form_state);
}