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<?php |
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namespace Movavi\Builder; |
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use Movavi\Entity\Rate; |
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use Movavi\Exception\NoneRateException; |
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/** |
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* Class AverageRateBuilder |
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* |
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* Builder for the Movavi\Entity\Rate |
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* Implementation of Builder pattern (GoF) |
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* |
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* @package Movavi\Builder |
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*/ |
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class CbrRateBuilder |
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{ |
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/** |
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* Returns an instance of Movavi\Entity\Rate, |
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* by string in xml-format from cbr.ru |
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* |
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* @param string $currencyFrom |
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* @param string $currencyTo |
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* @param \DateTime $date |
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* @param string $xmlString |
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* |
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* @return Rate |
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* |
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* @throws NoneRateException |
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*/ |
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public function fromXml(string $currencyFrom, string $currencyTo, \DateTime $date, string $xmlString): Rate |
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{ |
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$xml = simplexml_load_string($xmlString); |
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$json = json_encode($xml); |
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$array = json_decode($json, TRUE); |
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if (empty($array['Record'])) { |
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throw new NoneRateException('Service cbr.ru has not send any rate data'); |
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} |
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if (isset($array['Record']['Value'])) { |
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$rate = $array['Record']['Value']; |
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} else { |
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$record = array_shift($array['Record']); |
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$rate = $record['Value']; |
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} |
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$rate = floatval(str_replace(',', '.', $rate)); |
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return new Rate($currencyFrom, $currencyTo, $date, $rate); |
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} |
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} |
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spendmail /
movavi
