public function ShipmentFixedAmountOff::applyToShipment in Commerce Shipping 8.2

Applies the offer to the given shipment.

Parameters

\Drupal\commerce_shipping\Entity\ShipmentInterface $shipment: The shipment.

\Drupal\commerce_promotion\Entity\PromotionInterface $promotion: The parent promotion.

Overrides ShipmentPromotionOfferBase::applyToShipment

File

src/Plugin/Commerce/PromotionOffer/ShipmentFixedAmountOff.php, line 26

Class

ShipmentFixedAmountOff

Provides the fixed amount off offer for shipments.

Namespace

Drupal\commerce_shipping\Plugin\Commerce\PromotionOffer

Code

public function applyToShipment(ShipmentInterface $shipment, PromotionInterface $promotion) {
  $amount = $this
    ->getAmount();
  if ($amount
    ->getCurrencyCode() != $shipment
    ->getAmount()
    ->getCurrencyCode()) {
    return;
  }

  // The offer amount can't be larger than the remaining shipment amount,
  // to avoid a negative total.
  $remaining_amount = $shipment
    ->getAdjustedAmount();
  if ($amount
    ->greaterThan($remaining_amount)) {
    $amount = $remaining_amount;
  }

  // Display-inclusive promotions must first be applied to the amount.
  if ($this
    ->isDisplayInclusive()) {
    $new_shipment_amount = $shipment
      ->getAmount()
      ->subtract($amount);
    $shipment
      ->setAmount($new_shipment_amount);
  }
  $shipment
    ->addAdjustment(new Adjustment([
    'type' => 'shipping_promotion',
    'label' => $promotion
      ->getDisplayName() ?: $this
      ->t('Discount'),
    'amount' => $amount
      ->multiply('-1'),
    'source_id' => $promotion
      ->id(),
    'included' => $this
      ->isDisplayInclusive(),
  ]));
}