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<?php |
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/** |
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* This file is part of the daikon-cqrs/entity 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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declare(strict_types=1); |
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namespace Daikon\Entity\Entity; |
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use Daikon\Entity\Assert\Assertion; |
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use Daikon\Entity\Entity\Path\ValuePathParser; |
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use Daikon\Entity\Exception\InvalidPath; |
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use Daikon\Entity\Exception\UnknownAttribute; |
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use Daikon\Entity\ValueObject\ValueObjectInterface; |
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abstract class Entity implements EntityInterface |
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{ |
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/** |
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* @var ValueObjectMap |
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*/ |
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private $valueObjectMap; |
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/** |
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* @param ValuePathParser |
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*/ |
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private $pathParser; |
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/** |
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* @param mixed[] array |
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* @return EntityInterface |
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*/ |
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public static function fromNative($nativeState): EntityInterface |
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{ |
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return new static($nativeState); |
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} |
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public function toNative(): array |
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{ |
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$entityState = $this->valueObjectMap->toNative(); |
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$entityState[self::TYPE_KEY] = static::class; |
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return $entityState; |
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} |
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public function isSameAs(EntityInterface $entity): bool |
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{ |
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Assertion::isInstanceOf($entity, static::class); |
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return $this->getIdentity()->equals($entity->getIdentity()); |
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} |
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public function withValue(string $attributeName, $value): EntityInterface |
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{ |
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$copy = clone $this; |
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$copy->valueObjectMap = $this->valueObjectMap->withValue($attributeName, $value); |
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return $copy; |
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} |
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public function withValues(array $values): EntityInterface |
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{ |
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$copy = clone $this; |
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$copy->valueObjectMap = $this->valueObjectMap->withValues($values); |
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return $copy; |
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} |
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public function has(string $attributeName): bool |
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{ |
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if (!$this->getAttributeMap()->has($attributeName)) { |
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throw new UnknownAttribute(sprintf( |
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'Attribute "%s" is not known to the entity %s', |
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$attributeName, |
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static::class |
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)); |
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} |
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return $this->valueObjectMap->has($attributeName); |
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} |
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public function get(string $valuePath): ?ValueObjectInterface |
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{ |
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if (mb_strpos($valuePath, '.')) { |
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return $this->evaluatePath($valuePath); |
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} |
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if (!$this->getAttributeMap()->has($valuePath)) { |
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throw new UnknownAttribute(sprintf( |
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'Attribute "%s" is unknown to entity "%s"', |
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$valuePath, |
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static::class |
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)); |
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} |
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return $this->valueObjectMap->has($valuePath) ? $this->valueObjectMap->get($valuePath) : null; |
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} |
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public function equals(ValueObjectInterface $entity): bool |
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{ |
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if (!$entity instanceof static) { |
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return false; |
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} |
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return (new EntityDiff)($this, $entity)->isEmpty(); |
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} |
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public function __toString(): string |
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{ |
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return sprintf('%s:%s', static::class, $this->getIdentity()); |
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} |
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private function __construct(array $values = []) |
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{ |
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$this->valueObjectMap = ValueObjectMap::forEntity($this, $values); |
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$this->pathParser = ValuePathParser::create(); |
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} |
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private function evaluatePath($valuePath): ?ValueObjectInterface |
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{ |
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$value = null; |
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$entity = $this; |
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foreach ($this->pathParser->parse($valuePath) as $pathPart) { |
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$value = $entity->get($pathPart->getAttributeName()); |
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if ($value && $pathPart->hasPosition()) { |
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if (!$value instanceof EntityListInterface) { |
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throw new InvalidPath('Trying to traverse non-entity value'); |
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} |
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$entity = $value->get($pathPart->getPosition()); |
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$value = $entity; |
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} |
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} |
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return $value; |
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} |
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} |
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daikon-cqrs /
entity
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