60 lines
1.3 KiB
PHP
60 lines
1.3 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Money\Currencies;
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use AppendIterator;
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use IteratorIterator;
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use Money\Currencies;
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use Money\Currency;
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use Money\Exception\UnknownCurrencyException;
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use Traversable;
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/**
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* Aggregates several currency repositories.
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*/
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final class AggregateCurrencies implements Currencies
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{
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/**
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* @param Currencies[] $currencies
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*/
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public function __construct(private readonly array $currencies)
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{
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}
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public function contains(Currency $currency): bool
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{
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foreach ($this->currencies as $currencies) {
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if ($currencies->contains($currency)) {
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return true;
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}
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}
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return false;
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}
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public function subunitFor(Currency $currency): int
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{
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foreach ($this->currencies as $currencies) {
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if ($currencies->contains($currency)) {
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return $currencies->subunitFor($currency);
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}
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}
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throw new UnknownCurrencyException('Cannot find currency ' . $currency->getCode());
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}
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/** {@inheritDoc} */
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public function getIterator(): Traversable
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{
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$iterator = new AppendIterator();
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foreach ($this->currencies as $currencies) {
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$iterator->append(new IteratorIterator($currencies->getIterator()));
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}
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return $iterator;
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}
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}
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