private function diff(CollectionInterface $source, CollectionInterface $target) : CollectionInterface
{
$changeset = new Collection([]);
$target->each(function (string $property, $value) use(&$changeset, $source) {
if (!$source->hasKey($property) || $value !== $source->get($property)) {
$changeset = $changeset->set($property, $value);
}
});
$source->each(function (string $property) use(&$changeset, $target) {
if (!$target->hasKey($property)) {
$changeset = $changeset->set($property, null);
}
});
$changeset->each(function (string $property, $value) use(&$changeset, $source, $target) {
if (!$value instanceof CollectionInterface) {
return;
}
$changeset = $changeset->set($property, $this->diff($source->get($property), $target->get($property)));
});
$changeset = $changeset->filter(function ($value) {
if (!$value instanceof CollectionInterface) {
return true;
}
return $value->count() !== 0;
});
return $changeset;
}
private function appendProperties(Relationship $relationship, CollectionInterface $properties) : Relationship
{
$properties->each(function (string $name, array $config) use(&$relationship) {
$relationship = $relationship->withProperty($name, $this->types->build($config['type'], new Collection($config)));
});
return $relationship;
}
private function appendChildren(Aggregate $entity, CollectionInterface $children) : Aggregate
{
$children->each(function (string $name, array $config) use(&$entity) {
$config = new Collection($config);
$rel = new ValueObjectRelationship(new ClassName($config->get('class')), new RelationshipType($config->get('type')), $name, $config->get('child')['property'], $config->hasKey('collection') ? (bool) $config->get('collection') : false);
if ($config->hasKey('properties')) {
$rel = $this->appendProperties($rel, new Collection($config->get('properties')));
}
$config = new Collection($config->get('child'));
$child = new ValueObject(new ClassName($config->get('class')), $config->get('labels'), $rel);
if ($config->hasKey('properties')) {
$child = $this->appendProperties($child, new Collection($config->get('properties')));
}
$entity = $entity->withChild($child);
});
return $entity;
}
