protected function BuyXGetY::selectOrderItems in Commerce Core 8.2

Selects non-free order items that match the given conditions.

Selected order items are sorted by unit price in the specified direction.

Parameters

\Drupal\commerce_order\Entity\OrderItemInterface[] $order_items: The order items.

\Drupal\commerce\ConditionGroup $conditions: The conditions.

string $sort_direction: The sort direction. Use 'ASC' for least expensive first, 'DESC' for most expensive first.

Return value

\Drupal\commerce_order\Entity\OrderItemInterface[] The selected order items, keyed by order item ID.

1 call to BuyXGetY::selectOrderItems()

BuyXGetY::apply in modules/promotion/src/Plugin/Commerce/PromotionOffer/BuyXGetY.php

Applies the offer to the given entity.

File

modules/promotion/src/Plugin/Commerce/PromotionOffer/BuyXGetY.php, line 514

Class

BuyXGetY

Provides the "Buy X Get Y" offer for orders.

Namespace

Drupal\commerce_promotion\Plugin\Commerce\PromotionOffer

Code

protected function selectOrderItems(array $order_items, ConditionGroup $conditions, $sort_direction = 'ASC') {
  $selected_order_items = [];
  foreach ($order_items as $index => $order_item) {
    if ($order_item
      ->getAdjustedTotalPrice()
      ->isZero()) {
      continue;
    }
    if (!$conditions
      ->evaluate($order_item)) {
      continue;
    }
    $selected_order_items[$order_item
      ->id()] = $order_item;
  }
  uasort($selected_order_items, function (OrderItemInterface $a, OrderItemInterface $b) use ($sort_direction) {
    if ($sort_direction == 'ASC') {
      $result = $a
        ->getUnitPrice()
        ->compareTo($b
        ->getUnitPrice());
    }
    else {
      $result = $b
        ->getUnitPrice()
        ->compareTo($a
        ->getUnitPrice());
    }
    return $result;
  });
  return $selected_order_items;
}