<commit_before><?php

/**
 * This file is part of the Nextras\ORM library.
 *
 * @license    MIT
 * @link       https://github.com/nextras/orm
 * @author     <NAME>
 */

namespace Nextras\Orm\Entity\Reflection;

use Nette\Object;
use Nextras\Orm\InvalidStateException;
use Nextras\Orm\Model\IModel;


class MetadataValidator extends Object
{

	/**
	 * @param EntityMetadata[]  $metadata
	 * @param IModel            $model
	 */
	public function validate(array $metadata, IModel $model)
	{
		$pairs = [
			PropertyMetadata::RELATIONSHIP_MANY_HAS_MANY => PropertyMetadata::RELATIONSHIP_MANY_HAS_MANY,
			PropertyMetadata::RELATIONSHIP_MANY_HAS_ONE => PropertyMetadata::RELATIONSHIP_ONE_HAS_MANY,
			PropertyMetadata::RELATIONSHIP_ONE_HAS_MANY => PropertyMetadata::RELATIONSHIP_MANY_HAS_ONE,
			PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE => PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE,
			PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE_DIRECTED => PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE_DIRECTED,
		];

		foreach ($metadata as $entityMeta) {
			foreach ($entityMeta->getProperties() as $propertyMeta) {
				if (!$propertyMeta->relationshipType) continue;

				$repositoryName = $propertyMeta->relationshipRepository;
				if (!$model->hasRepository($repositoryName)) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} points to unknown '{$propertyMeta->relationshipRepository}' repository.");
				}

				$symetricEntityMeta = $metadata[$repositoryName::getEntityClassNames()[0]];

				if (!$symetricEntityMeta->hasProperty($propertyMeta->relationshipProperty)) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} has not defined a symetric relationship in {$symetricEntityMeta->className}::\${$propertyMeta->relationshipProperty}.");
				}

				/** @var PropertyMetadata $symetricPropertyMeta */
				$symetricPropertyMeta = $symetricEntityMeta->getProperty($propertyMeta->relationshipProperty);
				if ($symetricPropertyMeta->relationshipType === NULL) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} has not defined a symetric relationship in {$symetricEntityMeta->className}::\${$propertyMeta->relationshipProperty}.");
				}

				if ($symetricPropertyMeta->relationshipType !== $pairs[$propertyMeta->relationshipType]) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} has not defined a propper reverse relationship type in {$symetricEntityMeta->className}::\${$propertyMeta->relationshipProperty}.");
				}

				if ($propertyMeta->relationshipType === PropertyMetadata::RELATIONSHIP_MANY_HAS_MANY || $propertyMeta->relationshipType === PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE_DIRECTED) {<commit_msg>[entity] added new validation for transitive relationships<commit_after><?php

/**
 * This file is part of the Nextras\ORM library.
 *
 * @license    MIT
 * @link       https://github.com/nextras/orm
 * @author     <NAME>
 */

namespace Nextras\Orm\Entity\Reflection;

use Nette\Object;
use Nextras\Orm\InvalidStateException;
use Nextras\Orm\Model\IModel;


class MetadataValidator extends Object
{

	/**
	 * @param EntityMetadata[]  $metadata
	 * @param IModel            $model
	 */
	public function validate(array $metadata, IModel $model)
	{
		$pairs = [
			PropertyMetadata::RELATIONSHIP_MANY_HAS_MANY => PropertyMetadata::RELATIONSHIP_MANY_HAS_MANY,
			PropertyMetadata::RELATIONSHIP_MANY_HAS_ONE => PropertyMetadata::RELATIONSHIP_ONE_HAS_MANY,
			PropertyMetadata::RELATIONSHIP_ONE_HAS_MANY => PropertyMetadata::RELATIONSHIP_MANY_HAS_ONE,
			PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE => PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE,
			PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE_DIRECTED => PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE_DIRECTED,
		];

		foreach ($metadata as $entityMeta) {
			foreach ($entityMeta->getProperties() as $propertyMeta) {
				if (!$propertyMeta->relationshipType) continue;

				$repositoryName = $propertyMeta->relationshipRepository;
				if (!$model->hasRepository($repositoryName)) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} points to unknown '{$propertyMeta->relationshipRepository}' repository.");
				}

				$symetricEntityMeta = $metadata[$repositoryName::getEntityClassNames()[0]];

				if (!$symetricEntityMeta->hasProperty($propertyMeta->relationshipProperty)) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} has not defined a symetric relationship in {$symetricEntityMeta->className}::\${$propertyMeta->relationshipProperty}.");
				}

				/** @var PropertyMetadata $symetricPropertyMeta */
				$symetricPropertyMeta = $symetricEntityMeta->getProperty($propertyMeta->relationshipProperty);
				if ($propertyMeta->name !== $symetricPropertyMeta->relationshipProperty) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} relationship with {$symetricEntityMeta->className}::\${$propertyMeta->relationshipProperty} is not transitive.");
				}

				if ($symetricPropertyMeta->relationshipType === NULL) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} has not defined a symetric relationship in {$symetricEntityMeta->className}::\${$propertyMeta->relationshipProperty}.");
				}

				if ($symetricPropertyMeta->relationshipType !== $pairs[$propertyMeta->relationshipType]) {
					throw new InvalidStateException("{$entityMeta->className}::\${$propertyMeta->name} has not defined a propper reverse relationship type in {$symetricEntityMeta->className}::\${$propertyMeta->relationshipProperty}.");
				}

				if ($propertyMeta->relationshipType === PropertyMetadata::RELATIONSHIP_MANY_HAS_MANY || $propertyMeta->relationshipType === PropertyMetadata::RELATIONSHIP_ONE_HAS_ONE_DIRECTED) {
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