ExchangerExchange.php
4 years ago
FixedExchange.php
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IndirectExchange.php
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ReversedCurrenciesExchange.php
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SwapExchange.php
4 years ago
ExchangerExchange.php
51 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Money\Exchange; |
| 4 | |
| 5 | use Exchanger\CurrencyPair as ExchangerCurrencyPair; |
| 6 | use Exchanger\Contract\ExchangeRateProvider; |
| 7 | use Exchanger\Exception\Exception as ExchangerException; |
| 8 | use Exchanger\ExchangeRateQuery; |
| 9 | use Money\Currency; |
| 10 | use Money\CurrencyPair; |
| 11 | use Money\Exception\UnresolvableCurrencyPairException; |
| 12 | use Money\Exchange; |
| 13 | |
| 14 | /** |
| 15 | * Provides a way to get exchange rate from a third-party source and return a currency pair. |
| 16 | * |
| 17 | * @author Maksim (Ellrion) Platonov <ellrion11@gmail.com> |
| 18 | */ |
| 19 | final class ExchangerExchange implements Exchange |
| 20 | { |
| 21 | /** |
| 22 | * @var ExchangeRateProvider |
| 23 | */ |
| 24 | private $exchanger; |
| 25 | |
| 26 | /** |
| 27 | * @param ExchangeRateProvider $exchanger |
| 28 | */ |
| 29 | public function __construct(ExchangeRateProvider $exchanger) |
| 30 | { |
| 31 | $this->exchanger = $exchanger; |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * {@inheritdoc} |
| 36 | */ |
| 37 | public function quote(Currency $baseCurrency, Currency $counterCurrency) |
| 38 | { |
| 39 | try { |
| 40 | $query = new ExchangeRateQuery( |
| 41 | new ExchangerCurrencyPair($baseCurrency->getCode(), $counterCurrency->getCode()) |
| 42 | ); |
| 43 | $rate = $this->exchanger->getExchangeRate($query); |
| 44 | } catch (ExchangerException $e) { |
| 45 | throw UnresolvableCurrencyPairException::createFromCurrencies($baseCurrency, $counterCurrency); |
| 46 | } |
| 47 | |
| 48 | return new CurrencyPair($baseCurrency, $counterCurrency, $rate->getValue()); |
| 49 | } |
| 50 | } |
| 51 |