/**
* {@inheritdoc}
*/
public function matchAll(LineItemInterface $line_item, array $line_items)
{
$purchased_entity = $line_item->getPurchasedEntity();
if (empty($purchased_entity)) {
// Don't support combining line items without a purchased entity.
return [];
}
$comparison_fields = ['type', 'purchased_entity'];
$event = new LineItemComparisonFieldsEvent($comparison_fields, $line_item);
$this->event_dispatcher->dispatch(CartEvents::LINE_ITEM_COMPARISON_FIELDS, $event);
$comparison_fields = $event->getComparisonFields();
$matched_line_items = [];
/** @var \Drupal\commerce_order\Entity\LineItemInterface $existing_line_item */
foreach ($line_items as $existing_line_item) {
foreach ($comparison_fields as $comparison_field) {
if (!$existing_line_item->hasField($comparison_field) || !$line_item->hasField($comparison_field)) {
// The field is missing on one of the line items.
continue 2;
}
if ($existing_line_item->get($comparison_field)->getValue() !== $line_item->get($comparison_field)->getValue()) {
// Line item doesn't match.
continue 2;
}
}
$matched_line_items[] = $existing_line_item;
}
return $matched_line_items;
}
/**
* Entity builder: populates the line item title from the purchased entity.
*
* @param string $entity_type
* The entity type identifier.
* @param \Drupal\commerce_order\Entity\LineItemInterface $line_item
* The line item.
* @param array $form
* The complete form array.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*/
public static function populateTitle($entity_type, LineItemInterface $line_item, array $form, FormStateInterface $form_state)
{
$purchased_entity = $line_item->getPurchasedEntity();
if ($line_item->isNew() && $purchased_entity) {
$line_item->setTitle($purchased_entity->getLineItemTitle());
}
}
/**
* Gets the index of the given line item.
*
* @param \Drupal\commerce_order\Entity\LineItemInterface $line_item
* The line item.
*
* @return int|bool
* The index of the given line item, or FALSE if not found.
*/
protected function getLineItemIndex(LineItemInterface $line_item)
{
$values = $this->get('line_items')->getValue();
$line_item_ids = array_map(function ($value) {
return $value['target_id'];
}, $values);
return array_search($line_item->id(), $line_item_ids);
}
/**
* {@inheritdoc}
*/
public function removeLineItem(OrderInterface $cart, LineItemInterface $line_item, $save_cart = TRUE)
{
$line_item->delete();
$cart->removeLineItem($line_item);
$this->eventDispatcher->dispatch(CartEvents::CART_LINE_ITEM_REMOVE, new CartLineItemRemoveEvent($cart, $line_item));
if ($save_cart) {
$cart->save();
}
}
