/**
* Display a paginated list of the relation of the requested resource.
*
* @param \ByCedric\Allay\Contracts\Resource\Manager $manager
* @param \ByCedric\Allay\Contracts\Resource\Resolver $resolver
* @throws \ByCedric\Allay\Exceptions\ResourceMissingRelatableException
* @throws \ByCedric\Allay\Exceptions\ResourceRelationNotFoundException
* @return mixed
*/
public function relatedIndex(Manager $manager, Resolver $resolver)
{
$resource = $manager->make($resolver->getResource());
if (!$resource instanceof Relatable) {
throw new ResourceMissingRelatableException($resolver->getResource());
}
$method = $resolver->getRelationMethod();
$allowed = $resource->getRelatableMethods();
if (!in_array($method, $allowed) || !is_callable([$resource, $method])) {
throw new ResourceRelationNotFoundException($resolver->getResource(), $resolver->getRelation());
}
if ($resource instanceof Readable) {
$resource = $resource->getReadableQuery($resource->newQuery());
}
$resource = $resource->findOrFail($resolver->getId());
$relation = $resource->{$method}();
$relatedResource = $relation->getRelated();
if ($relatedResource instanceof Readable) {
$relation = $relatedResource->getReadableQuery($relation->getQuery());
}
return $relation->paginate();
}
