/**
* Save related entities
*
* @param ntityInterface $entity Entity to save relation from
* @param string $relationName Name of the relation to save
* @param array $options Options to pass to the mappers
* @return boolean
*/
public function save(EntityInterface $entity, $relationName, $options = [])
{
$lastResult = 0;
$relatedEntity = $entity->relation($relationName);
if ($relatedEntity instanceof EntityInterface) {
if ($relatedEntity->isNew() || $relatedEntity->isModified()) {
$relatedMapper = $this->mapper()->getMapper($this->entityName());
$lastResult = $relatedMapper->save($relatedEntity, $options);
//Update the local key to match the related entity primary key
if ($entity->get($this->localKey()) !== $relatedEntity->primaryKey()) {
$relatedRelations = $entity->relations($relatedMapper, $relatedEntity);
//Check if it was a hasOne or a hasMany relation,
//if hasOne, we must unset old value
foreach ($relatedRelations as $relatedRelation) {
if ($relatedRelation instanceof Relation\HasOne && $relatedRelation->foreignKey() === $this->localKey()) {
if ($relatedMapper->entityManager()->fields()[$relatedRelation->foreignKey()]['notnull']) {
$lastResult = $relatedMapper->delete([$relatedRelation->foreignKey() => $entity->get($relatedRelation->foreignKey())]);
} else {
$lastResult = $relatedMapper->queryBuilder()->builder()->update($relatedMapper->table())->set($relatedRelation->foreignKey(), null)->where([$relatedRelation->foreignKey() => $entity->get($relatedRelation->foreignKey())]);
}
}
}
$entity->set($this->localKey(), $relatedEntity->primaryKey());
}
}
}
return $lastResult;
}
/**
* Validate related entities using relations
* @param EntityInterface $entity
* @return EntityInterface
*/
protected function validateRelations($entity)
{
$relations = $entity->relations($this, $entity);
foreach ($relations as $relationName => $relation) {
if ($relation instanceof Relation\HasOne || $relation instanceof Relation\BelongsTo) {
$relatedEntity = $entity->{$relationName};
if ($relatedEntity instanceof EntityInterface) {
$errorsRelated = $this->validateRelatedEntity($relatedEntity, $entity, $relation);
if (count($errorsRelated)) {
$entity->errors([$relationName => $errorsRelated], false);
}
}
} else {
if ($relation instanceof Relation\HasMany || $relation instanceof Relation\HasManyThrough) {
$relatedEntities = $entity->{$relationName};
//No point in validating Queries since they are not modified
if ((is_array($relatedEntities) || $relatedEntities instanceof Entity\Collection) && count($relatedEntities)) {
$errors = [];
foreach ($relatedEntities as $key => $related) {
$errorsRelated = $this->validateRelatedEntity($related, $entity, $relation);
if (count($errorsRelated)) {
$errors[$key] = $errorsRelated;
}
}
if (count($errors)) {
$entity->errors([$relationName => $errors], false);
}
}
}
}
}
return $entity;
}
