78 lines
1.7 KiB
PHP
78 lines
1.7 KiB
PHP
<?php
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namespace Money\Currencies;
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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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/**
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* Aggregates several currency repositories.
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*
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* @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
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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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* @var Currencies[]
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*/
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private $currencies;
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/**
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* @param Currencies[] $currencies
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*/
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public function __construct(array $currencies)
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{
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foreach ($currencies as $c) {
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if (false === $c instanceof Currencies) {
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throw new \InvalidArgumentException('All currency repositories must implement '.Currencies::class);
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}
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}
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$this->currencies = $currencies;
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}
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/**
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* {@inheritdoc}
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*/
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public function contains(Currency $currency)
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{
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foreach ($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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/**
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* {@inheritdoc}
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*/
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public function subunitFor(Currency $currency)
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{
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foreach ($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 '.$currency->getCode());
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}
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/**
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* {@inheritdoc}
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*/
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#[\ReturnTypeWillChange]
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public function getIterator()
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{
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$iterator = new \AppendIterator();
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foreach ($this->currencies as $currencies) {
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$iterator->append($currencies->getIterator());
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}
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return $iterator;
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}
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}
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