35 lines
1.0 KiB
PHP
35 lines
1.0 KiB
PHP
<?php
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namespace Incoviba\Service;
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use DateTimeInterface;
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use DateTimeImmutable;
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use Incoviba\Common\Implement\Exception\EmptyRedis;
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class USD
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{
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protected string $redisKey = 'usd';
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public function __construct(protected Redis $redisService, protected Money $moneyService) {}
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public function get(?DateTimeInterface $date = null): float
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{
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if ($date === null) {
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$date = new DateTimeImmutable();
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}
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$usds = [];
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try {
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$usds = json_decode($this->redisService->get($this->redisKey), JSON_OBJECT_AS_ARRAY);
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if (!isset($usds[$date->format('Y-m-d')])) {
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throw new EmptyRedis($this->redisKey);
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}
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$usd = $usds[$date->format('Y-m-d')];
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} catch (EmptyRedis) {
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$usd = $this->moneyService->getUSD($date);
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$usds[$date->format('Y-m-d')] = $usd;
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ksort($usds);
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$this->redisService->set($this->redisKey, json_encode($usds), 60 * 60 * 24 * 30);
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}
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return $usd;
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}
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}
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