protected function formatResource(Resource $resource)
{
$descriptor = $resource->getDescriptor();
// type and id fields are required.
$data = ['type' => $descriptor->getName(), 'id' => $resource->getId()];
// If resource has any attributes, add them.
$attributes = $resource->getData();
unset($attributes[$descriptor->getPrimaryKey()]);
if (!empty($attributes)) {
$data['attributes'] = $attributes;
}
// Include loaded relationships.
if (!empty($loadedRelationships = $resource->getLoadedRelationships())) {
$data['relationships'] = [];
// For each different relationship...
foreach ($loadedRelationships as $relationshipName => $relatedResources) {
// We will include a whole mew JSON-API document, as per the specification.
$document = new Document();
$document->singleResource = !is_array($relatedResources);
$document->resources = $relatedResources;
$data['relationships'][$relationshipName] = $this->formatDocument($document);
}
}
return $data;
}
public function delete(Resource $resource)
{
$table = $resource->getDescriptor()->getName();
$primaryKey = $resource->getDescriptor()->getPrimaryKey();
try {
return (bool) $this->database->table($table)->where($primaryKey, $resource->getId())->delete();
} catch (QueryException $e) {
return false;
}
}
/**
* @param Resource $parent
* @param Resource $child
* @throws InvalidArgumentException If either of the resources do not have an unique identifier.
*/
public function relateResources($parent, $child)
{
if (is_null($parent->id())) {
throw new InvalidArgumentException('Tried to relate child to a parent that has no ID.');
}
if (is_null($parent->id())) {
throw new InvalidArgumentException('Tried to relate parent to a child that has no ID.');
}
$foreignKey = $this->foreignKeyName();
$child->{$foreignKey} = $parent->id();
}