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<?php declare(strict_types=1);
namespace Shopware\Core\Checkout\Cart\LineItem;
use Shopware\Core\Checkout\Cart\CartException;
use Shopware\Core\Checkout\Cart\Exception\InvalidQuantityException;
use Shopware\Core\Checkout\Cart\Exception\LineItemNotStackableException;
use Shopware\Core\Checkout\Cart\Exception\MixedLineItemTypeException;
use Shopware\Core\Checkout\Cart\Price\Struct\PriceCollection;
use Shopware\Core\Checkout\Cart\Price\Struct\QuantityPriceDefinition;
use Shopware\Core\Framework\Feature;
use Shopware\Core\Framework\Struct\Collection;
/**
* @extends Collection<LineItem>
*/
class LineItemCollection extends Collection
{
public function __construct(iterable $elements = [])
{
parent::__construct();
foreach ($elements as $lineItem) {
$this->add($lineItem);
}
}
/**
* @param LineItem $lineItem
*
* @throws MixedLineItemTypeException
* @throws InvalidQuantityException
* @throws LineItemNotStackableException
*/
public function add($lineItem): void
{
$this->validateType($lineItem);
$exists = $this->get($lineItem->getId());
if ($exists && $exists->getType() !== $lineItem->getType()) {
if (Feature::isActive('v6.5.0.0')) {
throw CartException::mixedLineItemType($lineItem->getId(), $lineItem->getType());
}
throw new MixedLineItemTypeException($lineItem->getId(), $exists->getType());
}
if ($exists) {
$exists->setQuantity($lineItem->getQuantity() + $exists->getQuantity());
return;
}
$this->elements[$this->getKey($lineItem)] = $lineItem;
}
/**
* @param int|string $key
* @param LineItem $lineItem
*/
public function set($key, $lineItem): void
{
$this->validateType($lineItem);
$this->elements[$this->getKey($lineItem)] = $lineItem;
}
public function removeElement(LineItem $lineItem): void
{
$this->remove($this->getKey($lineItem));
}
public function exists(LineItem $lineItem): bool
{
return $this->has($this->getKey($lineItem));
}
public function get($identifier): ?LineItem
{
if ($this->has($identifier)) {
return $this->elements[$identifier];
}
return null;
}
/**
* @return LineItem[]
*/
public function filterFlatByType(string $type): array
{
$lineItems = $this->getFlat();
$filtered = [];
foreach ($lineItems as $lineItem) {
if ($lineItem->getType() === $type) {
$filtered[] = $lineItem;
}
}
return $filtered;
}
public function filterType(string $type): LineItemCollection
{
return $this->filter(
function (LineItem $lineItem) use ($type) {
return $lineItem->getType() === $type;
}
);
}
public function getPayload(): array
{
return $this->map(function (LineItem $lineItem) {
return $lineItem->getPayload();
});
}
public function getPrices(): PriceCollection
{
return new PriceCollection(
array_filter(array_map(static function (LineItem $lineItem) {
return $lineItem->getPrice();
}, array_values($this->getElements())))
);
}
/**
* @return LineItem[]
*/
public function getFlat(): array
{
return $this->buildFlat($this);
}
public function sortByPriority(): void
{
$lineItemsByPricePriority = [];
/** @var LineItem $lineItem */
foreach ($this->elements as $lineItem) {
$priceDefinitionPriority = QuantityPriceDefinition::SORTING_PRIORITY;
if ($lineItem->getPriceDefinition()) {
$priceDefinitionPriority = $lineItem->getPriceDefinition()->getPriority();
}
if (!\array_key_exists($priceDefinitionPriority, $lineItemsByPricePriority)) {
$lineItemsByPricePriority[$priceDefinitionPriority] = [];
}
$lineItemsByPricePriority[$priceDefinitionPriority][] = $lineItem;
}
// Sort all line items by their price definition priority
krsort($lineItemsByPricePriority);
if (\count($lineItemsByPricePriority)) {
$this->elements = array_merge(...$lineItemsByPricePriority);
}
}
public function filterGoods(): self
{
return $this->filter(
function (LineItem $lineItem) {
return $lineItem->isGood();
}
);
}
/**
* @return LineItem[]
*/
public function filterGoodsFlat(): array
{
$lineItems = $this->getFlat();
$filtered = [];
foreach ($lineItems as $lineItem) {
if ($lineItem->isGood()) {
$filtered[] = $lineItem;
}
}
return $filtered;
}
public function getTypes(): array
{
return $this->fmap(
function (LineItem $lineItem) {
return $lineItem->getType();
}
);
}
public function getReferenceIds(): array
{
return $this->fmap(
function (LineItem $lineItem) {
return $lineItem->getReferencedId();
}
);
}
public function getApiAlias(): string
{
return 'cart_line_item_collection';
}
public function getTotalQuantity(): int
{
return $this->reduce(function ($result, $item) {
return $result + $item->getQuantity();
}, 0);
}
protected function getKey(LineItem $element): string
{
return $element->getId();
}
protected function getExpectedClass(): ?string
{
return LineItem::class;
}
private function buildFlat(LineItemCollection $lineItems): array
{
$flat = [];
foreach ($lineItems as $lineItem) {
$flat[] = $lineItem;
foreach ($this->buildFlat($lineItem->getChildren()) as $nest) {
$flat[] = $nest;
}
}
return $flat;
}
}

vendor/shopware/core/Checkout/Cart/LineItem/LineItemCollection.php line 17