<?php declare(strict_types=1);
namespace Shopware\Core\Checkout\Cart\Tax\Struct;
use Shopware\Core\Framework\Struct\Collection;
/**
* @extends Collection<TaxRule>
*/
class TaxRuleCollection extends Collection
{
/**
* @param TaxRule $taxRule
*/
public function add($taxRule): void
{
$this->set($this->getKey($taxRule), $taxRule);
}
/**
* @param string|int $key
* @param TaxRule $taxRule
*/
public function set($key, $taxRule): void
{
parent::set($this->getKey($taxRule), $taxRule);
}
public function removeElement(TaxRule $taxRule): void
{
$this->remove($this->getKey($taxRule));
}
public function exists(TaxRule $taxRule): bool
{
return $this->has($this->getKey($taxRule));
}
public function get($taxRate): ?TaxRule
{
$key = (string) $taxRate;
if ($this->has($key)) {
return $this->elements[$key];
}
return null;
}
public function merge(self $rules): self
{
$new = new self($this->elements);
$rules->map(
function (TaxRule $rule) use ($new): void {
if (!$new->exists($rule)) {
$new->add($rule);
}
}
);
return $new;
}
public function highestRate(): ?TaxRule
{
return $this->reduce(function ($result, $item) {
return $result === null || $item->getTaxRate() > $result->getTaxRate() ? $item : $result;
});
}
public function getApiAlias(): string
{
return 'cart_tax_rule_collection';
}
protected function getExpectedClass(): ?string
{
return TaxRule::class;
}
protected function getKey(TaxRule $element): string
{
return (string) $element->getTaxRate();
}
}