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<?php declare(strict_types=1); |
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/** |
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* This file is part of the ngutech/lightning-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\Lightning\ValueObject; |
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use Daikon\Interop\Assertion; |
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use Daikon\Interop\MakeEmptyInterface; |
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use Daikon\ValueObject\ValueObjectInterface; |
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final class InvoiceState implements MakeEmptyInterface, ValueObjectInterface |
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{ |
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public const PENDING = 'pending'; |
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public const SETTLED = 'settled'; |
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public const CANCELLED = 'cancelled'; |
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public const STATES = [ |
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self::PENDING, |
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self::SETTLED, |
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self::CANCELLED, |
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]; |
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private ?string $state; |
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/** @param null|string $state */ |
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public static function fromNative($state): self |
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{ |
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Assertion::nullOrString($state); |
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return new self($state); |
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} |
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public function toNative(): ?string |
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{ |
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return $this->state; |
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} |
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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 static function makeEmpty(): self |
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{ |
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return new self; |
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} |
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public function isEmpty(): bool |
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{ |
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return $this->state === null; |
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} |
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public function isPending(): bool |
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{ |
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return $this->state === self::PENDING; |
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} |
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public function isSettled(): bool |
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{ |
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return $this->state === self::SETTLED; |
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} |
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public function isCancelled(): bool |
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{ |
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return $this->state === self::CANCELLED; |
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} |
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public function __toString(): string |
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{ |
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return (string)$this->state; |
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} |
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private function __construct(?string $state = null) |
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{ |
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Assertion::nullOrinArray($state, self::STATES); |
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$this->state = $state; |
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} |
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} |
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NGUtech /
lightning-interop
