public function LicenseAvailabilityCheckerExistingRights::check in Commerce License 8.2

Checks the availability of the given order item.

Parameters

\Drupal\commerce_order\Entity\OrderItemInterface $order_item: The order item.

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

Return value

\Drupal\commerce_order\AvailabilityResult The availability result. AvailabilityResult::unavailable() should be used to indicate that the given order item is "unavailable" for purchase. Note that an optional "reason" can be specified.

Overrides AvailabilityCheckerInterface::check

File

src/LicenseAvailabilityCheckerExistingRights.php, line 91

Class

LicenseAvailabilityCheckerExistingRights

Prevents purchase of a license that grants rights the user already has.

Namespace

Drupal\commerce_license

Code

public function check(OrderItemInterface $order_item, Context $context) {

  // Hand over to the license type plugin configured in the product variation,
  // to let it determine whether the user already has what the license would
  // grant.
  $customer = $context
    ->getCustomer();
  $purchased_entity = $order_item
    ->getPurchasedEntity();
  $license_type_plugin = $purchased_entity->license_type
    ->first()
    ->getTargetInstance();

  // Load the full user entity for the plugin.
  $user = $this->entityTypeManager
    ->getStorage('user')
    ->load($customer
    ->id());
  $existing_rights_result = $license_type_plugin
    ->checkUserHasExistingRights($user);
  if (!$existing_rights_result
    ->hasExistingRights()) {
    return AvailabilityResult::neutral();
  }

  // Show a message that includes the reason from the rights check.
  if ($user
    ->id() == $this->currentUser
    ->id()) {
    $rights_check_message = $existing_rights_result
      ->getOwnerUserMessage();
  }
  else {
    $rights_check_message = $existing_rights_result
      ->getOtherUserMessage();
  }
  $message = $rights_check_message . ' ' . t("You may not purchase the @product-label product.", [
    '@product-label' => $purchased_entity
      ->label(),
  ]);
  return AvailabilityResult::unavailable($message);
}