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<?php |
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/** |
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* @category Brownie/ExchangeRate |
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* @author Brownie <[email protected]> |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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namespace Brownie\ExchangeRate\Currency; |
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use Brownie\ExchangeRate\CurrencyInterface; |
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use Brownie\ExchangeRate\Exception\InvalidExchangeRateException; |
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use Brownie\ExchangeRate\Model\Currency; |
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use Brownie\ExchangeRate\Service; |
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use Brownie\HttpClient\Request; |
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use Brownie\HttpClient\Exception\ClientException; |
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use Brownie\HttpClient\Exception\ValidateException; |
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/** |
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* Gets a list of existing currencies. |
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*/ |
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class CurrencyIsoOrg extends Service implements CurrencyInterface |
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{ |
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/** |
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* The endpoint access to the list of currencies. |
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* |
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* @var string |
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*/ |
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private $endpoint = 'https://www.currency-iso.org/dam/downloads/lists/list_one.xml'; |
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/** |
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* Returns an array of currencies. |
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* |
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* @return Currency[] |
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* |
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* @throws ClientException |
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* @throws ValidateException |
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* @throws InvalidExchangeRateException |
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*/ |
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public function getCurrencies() |
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{ |
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$response = $this |
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->getHttpClient() |
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->request( |
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$this |
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->getHttpClient() |
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->createRequest() |
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->setMethod(Request::HTTP_METHOD_GET) |
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->setUrl($this->endpoint) |
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); |
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if ((200 != $response->getHttpCode()) || (empty($response->getBody()))) { |
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throw new InvalidExchangeRateException('Invalid response from currency exchange server.'); |
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} |
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return $this->buildCurrencies($response->getBody()); |
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} |
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/** |
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* Collects currency collection from server response. |
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* |
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* @param string $body Response body content. |
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* |
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* @return Currency[] |
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* |
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* @throws InvalidExchangeRateException |
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*/ |
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private function buildCurrencies($body) |
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{ |
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libxml_use_internal_errors(true); |
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$xml = simplexml_load_string($body); |
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if (false === $xml) { |
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throw new InvalidExchangeRateException('Error parsing the response from the currency exchange server.'); |
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} |
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$currencies = []; |
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foreach ($xml->CcyTbl->CcyNtry as $e) { |
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$code = (string)$e->Ccy; |
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if (!isset($currencies[$code])) { |
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$currencies[$code] = new Currency((string)$e->CcyNm, $code, (int)$e->CcyNbr); |
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} |
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} |
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return $currencies; |
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} |
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} |
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ossbrownie /
exchange-rate
