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<?php declare(strict_types=1); |
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/** |
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* This file is part of the daikon-cqrs/value-object 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 Daikon\ValueObject; |
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use Daikon\Interop\Assertion; |
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use Daikon\Interop\InvalidArgumentException; |
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use Daikon\Interop\MakeEmptyInterface; |
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use DateTimeImmutable; |
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final class Date implements MakeEmptyInterface, ValueObjectInterface |
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{ |
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public const NATIVE_FORMAT = 'Y-m-d'; |
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private ?DateTimeImmutable $value; |
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public static function today(): self |
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{ |
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return new self(new DateTimeImmutable); |
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} |
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public static function fromString(string $value, string $format = self::NATIVE_FORMAT): self |
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{ |
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Assertion::date($value, $format); |
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if (!$date = DateTimeImmutable::createFromFormat($format, $value)) { |
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throw new InvalidArgumentException('Invalid date string given to '.self::class); |
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} |
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return new self($date); |
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} |
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/** @param string|null $value */ |
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public static function fromNative($value): self |
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{ |
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Assertion::nullOrString($value, 'Trying to create Date VO from unsupported value type.'); |
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return empty($value) ? new self : self::fromString($value); |
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} |
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public static function makeEmpty(): self |
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{ |
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return new self; |
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} |
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public function toNative(): ?string |
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{ |
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return is_null($this->value) ? null : $this->value->format(static::NATIVE_FORMAT); |
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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 function isEmpty(): bool |
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{ |
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return $this->value === null; |
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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 function __construct(DateTimeImmutable $value = null) |
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{ |
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$this->value = $value ? $value->setTime(0, 0, 0) : null; |
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} |
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} |
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daikon-cqrs /
value-object
