private function isValidProperty(string $property, EntityInterface $meta) : bool
{
if ($meta->properties()->contains($property)) {
return true;
}
$property = new Str($property);
if (!$property->match('/[a-zA-Z]+(\\.[a-zA-Z]+)+/')) {
return false;
}
$pieces = $property->split('.');
$piece = (string) $pieces->get(0);
if (!$meta->children()->contains($piece)) {
return false;
}
$child = $meta->children()->get($piece);
$relationship = $child->relationship();
switch ($pieces->count()) {
case 2:
return $relationship->properties()->contains((string) $pieces->get(1));
case 3:
$subPiece = (string) $pieces->get(1);
if (!$relationship->childProperty() === $subPiece) {
return false;
}
return $child->properties()->contains((string) $pieces->get(2));
}
return false;
}
/**
* {@inheritdoc}
*/
public function translate(EntityInterface $meta, SpecificationInterface $specification) : IdentityMatch
{
$variables = new Set('string');
try {
$mapping = (new AggregatePropertyMatchVisitor($meta))->visit($specification);
$query = $this->addProperties((new Query())->match('entity', $meta->labels()->toPrimitive()), 'entity', $mapping)->with('entity');
$meta->children()->foreach(function (string $property, ValueObject $child) use(&$query, $mapping, &$variables) {
$relName = (new Str('entity_'))->append($property);
$childName = $relName->append('_')->append($child->relationship()->childProperty());
$variables = $variables->add((string) $relName)->add((string) $childName);
$query = $this->addProperties($this->addProperties($query->match('entity')->linkedTo((string) $childName, $child->labels()->toPrimitive()), (string) $childName, $mapping)->through((string) $child->relationship()->type(), (string) $relName, Relationship::LEFT), (string) $relName, $mapping);
});
} catch (SpecificationNotApplicableAsPropertyMatchException $e) {
$query = (new Query())->match('entity', $meta->labels()->toPrimitive())->with('entity');
$meta->children()->foreach(function (string $property, ValueObject $child) use(&$query, &$variables) {
$relName = (new Str('entity_'))->append($property);
$childName = $relName->append('_')->append($child->relationship()->childProperty());
$variables = $variables->add((string) $relName)->add((string) $childName);
$query = $query->match('entity')->linkedTo((string) $childName, $child->labels()->toPrimitive())->through((string) $child->relationship()->type(), (string) $relName, Relationship::LEFT);
});
$condition = (new AggregateCypherVisitor($meta))->visit($specification);
$query = $query->where($condition->get(0))->withParameters($condition->get(1)->toPrimitive());
}
return new IdentityMatch($query->return('entity', ...$variables->toPrimitive()), (new Map('string', EntityInterface::class))->put('entity', $meta));
}
/**
* {@inheritdoc}
*/
public function translate(EntityInterface $meta, IdentityInterface $identity) : IdentityMatch
{
$query = (new Query())->match('entity', $meta->labels()->toPrimitive())->withProperty($meta->identity()->property(), '{entity_identity}')->withParameter('entity_identity', $identity->value())->with('entity');
$variables = new Set('string');
$meta->children()->foreach(function (string $property, ValueObject $child) use(&$query, &$variables) {
$relName = (new Str('entity_'))->append($property);
$childName = $relName->append('_')->append($child->relationship()->childProperty());
$variables = $variables->add((string) $relName)->add((string) $childName);
$query = $query->match('entity')->linkedTo((string) $childName, $child->labels()->toPrimitive())->through((string) $child->relationship()->type(), (string) $relName, Relationship::LEFT);
});
return new IdentityMatch($query->return('entity', ...$variables->toPrimitive()), (new Map('string', EntityInterface::class))->put('entity', $meta));
}
/**
* {@inheritdoc}
*/
public function extract($entity, EntityInterface $meta) : CollectionInterface
{
if (!$meta instanceof Aggregate) {
throw new InvalidArgumentException();
}
$data = $this->extractProperties($entity, $meta->properties());
$data = $data->set($id = $meta->identity()->property(), (new ReflectionObject($entity))->extract([$id])->get($id)->value());
$meta->children()->foreach(function (string $property, ValueObject $child) use(&$data, $entity) {
$data = $data->set($property, $this->extractRelationship($child, $entity));
});
return $data;
}
/**
* {@inheritdoc}
*/
public function make(IdentityInterface $identity, EntityInterface $meta, CollectionInterface $data)
{
if (!$meta instanceof Aggregate) {
throw new InvalidArgumentException();
}
$reflection = (new ReflectionClass((string) $meta->class()))->withProperty($meta->identity()->property(), $identity);
$meta->properties()->foreach(function (string $name, Property $property) use(&$reflection, $data) {
if ($property->type()->isNullable() && !$data->hasKey($name)) {
return;
}
$reflection = $reflection->withProperty($name, $property->type()->fromDatabase($data->get($name)));
});
$meta->children()->foreach(function (string $property, ValueObject $meta) use(&$reflection, $data) {
$reflection = $reflection->withProperty($property, $this->buildChild($meta, $data));
});
return $reflection->buildObject();
}
private function translateNode($identity, EntityInterface $meta, ResultInterface $result) : CollectionInterface
{
$node = $result->nodes()->filter(function (NodeInterface $node) use($identity, $meta) {
$id = $meta->identity()->property();
$properties = $node->properties();
return $properties->hasKey($id) && $properties->get($id) === $identity;
})->first();
$data = (new Collection([]))->set($meta->identity()->property(), $node->properties()->get($meta->identity()->property()));
$meta->properties()->foreach(function (string $name, Property $property) use(&$data, $node) {
if ($property->type()->isNullable() && !$node->properties()->hasKey($name)) {
return;
}
$data = $data->set($name, $node->properties()->get($name));
});
try {
$meta->children()->foreach(function (string $name, ValueObject $meta) use(&$data, $node, $result) {
$data = $data->set($name, $this->translateChild($meta, $result, $node));
});
} catch (MoreThanOneRelationshipFoundException $e) {
throw $e->on($meta);
}
return $data;
}
