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<?php |
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namespace SteffenBrand\CurrCurr\Client; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Psr7\Response; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\SimpleCache\CacheInterface; |
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use SteffenBrand\CurrCurr\Exception\ExchangeRatesRequestFailedException; |
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use SteffenBrand\CurrCurr\Mapper\ExchangeRatesMapper; |
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use SteffenBrand\CurrCurr\Model\ExchangeRate; |
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class EcbClient implements EcbClientInterface |
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{ |
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/** |
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* @const string |
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*/ |
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const DEFAULT_EXCHANGE_RATES_URL = 'https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml'; |
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/** |
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* @var Client |
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*/ |
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private $client; |
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/** |
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* @var CacheInterface |
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*/ |
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private $cache; |
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/** |
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* @var string |
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*/ |
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private $exchangeRatesUrl; |
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/** |
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* @param string $exchangeRatesUrl |
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* @param CacheInterface $cache |
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*/ |
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public function __construct(string $exchangeRatesUrl = self::DEFAULT_EXCHANGE_RATES_URL, CacheInterface $cache = null) |
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{ |
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$this->exchangeRatesUrl = $exchangeRatesUrl; |
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$this->cache = $cache; |
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$this->client = new Client(); |
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} |
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/** |
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* @throws ExchangeRatesRequestFailedException |
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* @return ExchangeRate[] |
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*/ |
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public function getExchangeRates(): array |
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{ |
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try { |
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if (null !== $this->cache) { |
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$date = new \DateTime('now'); |
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$key = $date->format('YY-mm-dd'); |
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if (null === $responseBody = $this->cache->get($key)) { |
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$response = $this->performRequest(); |
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$this->cache->clear(); |
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$this->cache->set($key, $response->getBody()->getContents()); |
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} else { |
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$response = new Response(200, [], $responseBody); |
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} |
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} else { |
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$response = $this->performRequest(); |
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} |
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} catch (\Exception $e) { |
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throw new ExchangeRatesRequestFailedException($e); |
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} |
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$mapper = new ExchangeRatesMapper(); |
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return $mapper->map($response); |
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} |
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/** |
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* @return ResponseInterface |
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*/ |
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private function performRequest() |
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{ |
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$response = $this->client->request('GET', $this->exchangeRatesUrl); |
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return $response; |
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} |
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} |
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steffenbrand /
curr-curr
