/**
* Map through the collection and convert it to a collection
* of ids
* @param string $property
* @param object $object
* @param array $root
* @param string $fullPropertyPath
* @return mixed
*/
public function resolve($property, &$object, &$root, $fullPropertyPath)
{
if (is_array($object)) {
// We need to determine if this is a singular relationship or
// a collection of models
$arrayCopy = $object;
$firstElement = array_shift($arrayCopy);
// The object was not a collection, and was rather a single
// model, because the first item returned was a property
// We therefore just return the single ID
if (Utility::isPrimitive($firstElement)) {
return (int) Utility::getProperty($object, 'id');
}
return array_map(function ($entry) {
return (int) Utility::getProperty($entry, 'id');
}, $object);
} elseif ($object instanceof Collection) {
return $object->map(function ($entry) {
return (int) Utility::getProperty($entry, 'id');
});
// The relation is not a collection, but rather
// a singular relation
} elseif ($object instanceof Model) {
return $object->id;
}
}
/**
* Check if the resource already exists in the root collection by id
* TODO: https://github.com/esbenp/laravel-controller/issues/2
* @param mixed $collection
* @param mixed $resource
*/
private function addResourceToRootCollectionIfNonExistant(&$collection, $resource)
{
$identifier = Utility::getProperty($resource, 'id');
$exists = false;
$copy = $collection instanceof Collection ? $collection->toArray() : $collection;
foreach ($copy as $rootResource) {
if ((int) Utility::getProperty($rootResource, 'id') === (int) $identifier) {
$exists = true;
break;
}
}
if ($exists === false) {
if (is_array($collection)) {
$collection[] = $resource;
} elseif ($collection instanceof Collection) {
$collection->push($resource);
}
}
}
