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<?php declare(strict_types=1); |
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namespace Daikon\Money\ValueObject; |
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use Assert\Assertion; |
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use Daikon\Money\ValueObject\MoneyInterface; |
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use InvalidArgumentException; |
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use Money\Currency as PhpCurrency; |
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use Money\Money as PhpMoney; |
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final class Money implements MoneyInterface |
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{ |
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private PhpMoney $money; |
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/** @param self $comparator */ |
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public function equals($comparator): bool |
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{ |
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Assertion::isInstanceOf($comparator, self::class); |
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return $this->toNative() === $comparator->toNative(); |
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} |
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public function getAmount(): string |
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{ |
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return $this->money->getAmount(); |
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} |
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public function getCurrency(): string |
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{ |
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return $this->money->getCurrency()->getCode(); |
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} |
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/** @param float|int|string $multiplier */ |
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public function multiply($multiplier, int $roundingMode = self::ROUND_HALF_UP): self |
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{ |
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Assertion::numeric($multiplier, 'Multipler must be numeric.'); |
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$multiplied = $this->money->multiply($multiplier, $roundingMode); |
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return new self($multiplied); |
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} |
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/** @param float|int|string $divisor */ |
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public function divide($divisor, int $roundingMode = self::ROUND_HALF_UP): self |
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{ |
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Assertion::numeric($divisor, 'Divider must be numeric.'); |
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$divided = $this->money->divide($divisor, $roundingMode); |
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return new self($divided); |
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} |
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public function add(MoneyInterface $money): self |
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{ |
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$added = $this->money->add( |
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self::asBaseMoney($money->getAmount(), $money->getCurrency()) |
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); |
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return new self($added); |
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} |
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public function subtract(MoneyInterface $money): self |
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{ |
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$subtracted = $this->money->subtract( |
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self::asBaseMoney($money->getAmount(), $money->getCurrency()) |
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); |
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return new self($subtracted); |
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} |
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public function isZero(): bool |
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{ |
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return $this->money->isZero(); |
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} |
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public function isPositive(): bool |
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{ |
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return $this->money->isPositive(); |
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} |
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public function isNegative(): bool |
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{ |
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return $this->money->isNegative(); |
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} |
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public function isLessThanOrEqual(MoneyInterface $money): bool |
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{ |
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return $this->money->lessThanOrEqual( |
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self::asBaseMoney($money->getAmount(), $money->getCurrency()) |
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); |
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} |
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public function isGreaterThanOrEqual(MoneyInterface $money): bool |
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{ |
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return $this->money->greaterThanOrEqual( |
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self::asBaseMoney($money->getAmount(), $money->getCurrency()) |
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); |
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} |
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/** @param string $value */ |
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public static function fromNative($value): self |
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{ |
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Assertion::string($value, 'Must be a string.'); |
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if (!preg_match('#^(?<amount>-?[0-9]+)(?<currency>[a-z][a-z0-9]*)$#i', $value, $matches)) { |
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throw new InvalidArgumentException('Invalid amount.'); |
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} |
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$amount = $matches['amount']; |
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$currency = strtoupper($matches['currency']); |
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return new self(self::asBaseMoney($amount, $currency)); |
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} |
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public static function zero($currency = null): self |
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{ |
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Assertion::regex($currency, '#^[a-z][a-z0-9]*$#i', 'Invalid currency.'); |
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return self::fromNative('0'.(string)$currency); |
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} |
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public function toNative(): string |
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{ |
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return $this->getAmount().$this->getCurrency(); |
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} |
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public function __toString(): string |
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{ |
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return $this->toNative(); |
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} |
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private static function asBaseMoney(string $amount, string $currency): PhpMoney |
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{ |
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return new PhpMoney($amount, new PhpCurrency($currency)); |
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} |
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private function __construct(PhpMoney $money) |
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{ |
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$this->money = $money; |
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} |
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} |
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daikon-cqrs /
money-interop
