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<?php declare(strict_types=1); |
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/** |
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* This file is part of the ngutech/bitcoin-interop project. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace NGUtech\Bitcoin\Service; |
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use Money\Currencies; |
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use Money\Currency; |
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use Money\Exception\ParserException; |
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use Money\Money; |
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use Money\MoneyParser; |
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final class BitcoinMoneyParser implements MoneyParser |
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{ |
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private Currencies $currencies; |
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public function __construct(Currencies $currencies) |
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{ |
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$this->currencies = $currencies; |
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} |
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/** @param null|Currency $forceCurrency */ |
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public function parse($money, $forceCurrency = null) |
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{ |
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if (is_string($money) === false) { |
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throw new ParserException('Formatted raw money should be string, e.g. ₿0.1'); |
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} |
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$regex = '/^(?<amount>-?(?<symbol>[₿฿Ƀ])?\d+(?:\.\d+)?)\s?(?<currency>BTC|XBT)?$/u'; |
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if (!preg_match($regex, $money, $matches)) { |
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throw new ParserException('Value cannot be parsed as Bitcoin.'); |
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} |
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if (!isset($matches['symbol']) && !isset($matches['currency'])) { |
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throw new ParserException('Value currency cannot be parsed as Bitcoin.'); |
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} |
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$currency = $forceCurrency ?: new Currency($matches['currency'] ?? BitcoinCurrencies::BTC); |
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$amount = preg_replace('/[₿฿Ƀ]/u', '', $matches['amount']); |
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$subunit = $this->currencies->subunitFor($currency); |
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$decimalSeparator = strpos($amount, '.'); |
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if (false !== $decimalSeparator) { |
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$amount = rtrim($amount, '0'); |
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$lengthAmount = strlen($amount); |
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$amount = str_replace('.', '', $amount); |
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$amount .= str_pad('', ($lengthAmount - $decimalSeparator - $subunit - 1) * -1, '0'); |
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} else { |
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$amount .= str_pad('', $subunit, '0'); |
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} |
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if (substr($amount, 0, 1) === '-') { |
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$amount = '-'.ltrim(substr($amount, 1), '0'); |
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} else { |
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$amount = ltrim($amount, '0'); |
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} |
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if ('' === $amount) { |
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$amount = '0'; |
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} |
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return new Money($amount, $currency); |
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} |
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} |
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NGUtech /
bitcoin-interop
