public function TestPriceResolver::resolve in Commerce Core 8.2

Resolves a price for the given purchasable entity.

Use $context->getData('field_name', 'price') to get the name of the field for which the price is being resolved (e.g "list_price", "price").

Parameters

\Drupal\commerce\PurchasableEntityInterface $entity: The purchasable entity.

string $quantity: The quantity.

\Drupal\commerce\Context $context: The context.

Return value

\Drupal\commerce_price\Price|null A price value object, if resolved. Otherwise NULL, indicating that the next resolver in the chain should be called.

Overrides PriceResolverInterface::resolve

File

modules/price/tests/modules/commerce_price_test/src/TestPriceResolver.php, line 19

Class

TestPriceResolver

Test price resolver.

Namespace

Drupal\commerce_price_test

Code

public function resolve(PurchasableEntityInterface $entity, $quantity, Context $context) {
  if (!($entity instanceof ProductVariationInterface && strpos($entity
    ->getSku(), 'TEST_') !== FALSE)) {
    return NULL;
  }
  $field_name = $context
    ->getData('field_name', 'price');
  if ($entity
    ->hasField($field_name) && !$entity
    ->get($field_name)
    ->isEmpty()) {

    /** @var \Drupal\commerce_price\Price $price */
    $price = $entity
      ->get($field_name)
      ->first()
      ->toPrice();
    return $price
      ->subtract(new Price('3', $price
      ->getCurrencyCode()));
  }
}