/**
* showParentsAndChildren
*
* @param \stdClass $output
* @param ApiInterface $entity
* @param Field $field
*
* @return void
* @throws Exception
*/
private function showParentsAndChildren(\stdClass $output, ApiInterface $entity, Field $field)
{
if (in_array($field->getAlias(), $entity->getParentRelationships())) {
/** @var ApiInterface $parentEntity */
$parentEntity = $entity->getRelated($field->getAlias());
if ($parentEntity === false) {
//AKA, a nullable vendor
$output->{$field->getAlias()} = null;
} else {
$output->{$field->getAlias()} = new \stdClass();
$this->showRecursive($output->{$field->getAlias()}, $field, $parentEntity);
}
} elseif (in_array($field->getAlias(), $entity->getChildrenRelationships())) {
$output->{$field->getAlias()} = array();
$resultSet = $entity->getRelated($field->getAlias());
foreach ($resultSet as $key => $currentEntity) {
$subOutput = new \stdClass();
$output->{$field->getAlias()}[] = $subOutput;
$this->showRecursive($subOutput, $field, $currentEntity);
}
} else {
throw new Exception('Invalid Field, not on the current object, no child or parent found: ' . $entity->getEntityName() . ' with ' . $field->getAlias(), 400);
}
}
/**
* Filters the params down to just the instance parents
*
* @param \stdClass $params
* @param ApiInterface $entity
*
* @return \stdClass[]
* @throws Exception
*/
private function filterParents(\stdClass $params, ApiInterface $entity)
{
$parents = array();
foreach ($params as $key => $value) {
if (is_object($value) && get_class($value) == 'stdClass') {
$alias = ucfirst($key);
if (in_array($alias, $entity->getParentRelationships())) {
$parents[$alias] = $value;
} else {
throw new Exception('Could not find the parent field: ' . $key, 400);
}
}
}
return $parents;
}
/**
* Adds a join
*
* @param ApiInterface $entity
* @param string $alias
* @param bool $forceFind
*
* @return ApiInterface|false False if sub part was not found
* @throws Exception
*/
private function addJoin(ApiInterface $entity, $alias, $forceFind)
{
if (in_array($alias, $entity->getParentRelationships())) {
$referencedModel = $entity->addJoin($this->getCriteriaHelper(), $alias);
return new $referencedModel();
} else {
if ($forceFind) {
throw new Exception('Could Not Find Part in current entity: ' . $alias, 400);
}
return false;
}
}