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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\Exception\FormatterException; |
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use Money\Money; |
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use Money\MoneyFormatter; |
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final class BitcoinMoneyFormatter implements MoneyFormatter |
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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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public function format(Money $money): string |
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{ |
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$currency = $money->getCurrency(); |
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if (!$this->currencies->contains($currency)) { |
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throw new FormatterException('Bitcoin formatter can only format Bitcoin currencies.'); |
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} |
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$valueBase = $money->getAmount(); |
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$negative = false; |
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if ('-' === $valueBase[0]) { |
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$negative = true; |
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$valueBase = substr($valueBase, 1); |
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} |
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$subunit = $this->currencies->subunitFor($currency); |
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$valueLength = strlen($valueBase); |
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if ($valueLength > $subunit) { |
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$formatted = substr($valueBase, 0, $valueLength - $subunit); |
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if ($subunit) { |
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$formatted .= '.'; |
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$formatted .= substr($valueBase, $valueLength - $subunit); |
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} |
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} else { |
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$formatted = '0.'.str_pad('', $subunit - $valueLength, '0').$valueBase; |
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} |
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$formatted = BitcoinCurrencies::SYMBOL.$formatted; |
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$formatted = $negative === true ? '-'.$formatted : $formatted; |
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return $formatted; |
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} |
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} |
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NGUtech /
bitcoin-interop
