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<?php |
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namespace BenTools\Currency\Provider; |
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use BenTools\Currency\Model\CurrencyInterface; |
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use BenTools\Currency\Model\ExchangeRateInterface; |
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use BenTools\Currency\Model\ExchangeRateNotFoundException; |
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use DateTimeInterface; |
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class ChainedExchangeRateProvider implements ExchangeRateProviderInterface |
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{ |
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/** |
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* @var ExchangeRateProviderInterface[] |
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*/ |
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private $exchangeRateProviders = []; |
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/** |
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* ChainedExchangeRateProvider constructor. |
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* @param ExchangeRateProviderInterface[] $exchangeRateProviders |
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*/ |
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public function __construct(array $exchangeRateProviders) |
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{ |
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$this->exchangeRateProviders = (function (ExchangeRateProviderInterface ...$exchangeRateProviders) { |
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return $exchangeRateProviders; |
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})(...$exchangeRateProviders); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getExchangeRate(CurrencyInterface $sourceCurrency, CurrencyInterface $targetCurrency, DateTimeInterface $date = null): ExchangeRateInterface |
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{ |
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foreach ($this->exchangeRateProviders as $exchangeRateProvider) { |
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try { |
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return $exchangeRateProvider->getExchangeRate($sourceCurrency, $targetCurrency, $date); |
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} catch (ExchangeRateNotFoundException $e) { |
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continue; |
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} |
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} |
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throw new ExchangeRateNotFoundException($sourceCurrency, $targetCurrency); |
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} |
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/** |
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* @param ExchangeRateProviderInterface[] ...$exchangeRateProviders |
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* @return AverageExchangeRateProvider |
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*/ |
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public function withProviders(ExchangeRateProviderInterface ...$exchangeRateProviders): self |
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{ |
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$clone = clone $this; |
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foreach ($exchangeRateProviders as $exchangeRateProvider) { |
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$clone->exchangeRateProviders[] = $exchangeRateProvider; |
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} |
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return $clone; |
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} |
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} |
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bpolaszek /
currency
