/**
* Extract the relations of the resource to make a formatted array.
*
* @param ResourceInterface $resource
*
* @return array
*/
protected function getRelations(ResourceInterface $resource)
{
$formattedRelations = [];
/** @var Resource $subResource */
foreach ($resource->getRelations() as $subResource) {
$formattedRelations[] = [$subResource->getName() => ['data' => $subResource->getProperties()]];
}
return $formattedRelations;
}
/**
* @param ResourceInterface $resource
*
* @return array
*/
protected function formatLinks(ResourceInterface $resource) : array
{
$links = ["links" => ["self" => $resource->getBaseUri() . $resource->getName()]];
if ($this->hasPaginator()) {
$links['links'] += ["first" => $resource->getBaseUri() . $resource->getName() . '?page=1', "last" => $resource->getBaseUri() . $resource->getName() . '?page=' . $this->getPaginator()->getLastPage()];
if ($this->getPaginator()->getCurrentPage() < $this->getPaginator()->getLastPage()) {
$links['links']['next'] = $resource->getBaseUri() . $resource->getName() . '?page=' . ($this->getPaginator()->getCurrentPage() + 1);
}
if ($this->getPaginator()->getCurrentPage() > 1) {
$links['links']['prev'] = $resource->getBaseUri() . $resource->getName() . '?page=' . ($this->getPaginator()->getCurrentPage() - 1);
}
}
return $links;
}
/**
* @param ResourceInterface $resource
*
* @return ResourceSet
*/
public function addChild(ResourceInterface $resource) : ResourceSet
{
$this->resources[$resource->getId()] = $resource;
return $this;
}