/**
* Transform a response with a transformer.
*
* @param mixed $response
* @param object $transformer
* @param \Dingo\Api\Transformer\Binding $binding
* @param \Dingo\Api\Http\Request $request
*
* @return array
*/
public function transform($response, $transformer, Binding $binding, Request $request)
{
$this->parseFractalIncludes($request);
$resource = $this->createResource($response, $transformer, $binding->getParameters());
// If the response is a paginator then we'll create a new paginator
// adapter for Laravel and set the paginator instance on our
// collection resource.
if ($response instanceof IlluminatePaginator) {
$paginator = $this->createPaginatorAdapter($response);
$resource->setPaginator($paginator);
}
if ($this->shouldEagerLoad($response)) {
$eagerLoads = $this->mergeEagerLoads($transformer, $this->fractal->getRequestedIncludes());
$response->load($eagerLoads);
}
foreach ($binding->getMeta() as $key => $value) {
$resource->setMetaValue($key, $value);
}
$binding->fireCallback($resource, $this->fractal);
$scopeIdentifier = null;
if (array_key_exists('scopeIdentifier', $binding->getParameters())) {
$scopeIdentifier = $binding->getParameters()['scopeIdentifier'];
}
return $this->fractal->createData($resource, $scopeIdentifier)->toArray();
}
public function testRecursionLimiting()
{
$manager = new Manager();
// Should limit to 10 by default
$manager->parseIncludes('a.b.c.d.e.f.g.h.i.j.NEVER');
$this->assertEquals(array('a', 'a.b', 'a.b.c', 'a.b.c.d', 'a.b.c.d.e', 'a.b.c.d.e.f', 'a.b.c.d.e.f.g', 'a.b.c.d.e.f.g.h', 'a.b.c.d.e.f.g.h.i', 'a.b.c.d.e.f.g.h.i.j'), $manager->getRequestedIncludes());
// Try setting to 3 and see what happens
$manager->setRecursionLimit(3);
$manager->parseIncludes('a.b.c.NEVER');
$this->assertEquals(array('a', 'a.b', 'a.b.c'), $manager->getRequestedIncludes());
}
/**
* Get the Fractal resource instance.
*
* @return \League\Fractal\Resource\ResourceInterface
*/
public function getResource() : ResourceInterface
{
$this->manager->parseIncludes($this->relations);
$transformer = $this->resource->getTransformer();
if ($transformer instanceof Transformer && $transformer->allRelationsAllowed()) {
$this->resource->setTransformer($transformer->setRelations($this->manager->getRequestedIncludes()));
}
return $this->resource->setMeta($this->meta);
}
/**
* Is Requested.
*
* Check if - in relation to the current scope - this specific segment is allowed.
* That means, if a.b.c is requested and the current scope is a.b, then c is allowed. If the current
* scope is a then c is not allowed, even if it is there and potentially transformable.
*
* @internal
*
* @param string $checkScopeSegment
*
* @return bool Returns the new number of elements in the array.
*/
public function isRequested($checkScopeSegment)
{
if ($this->parentScopes) {
$scopeArray = array_slice($this->parentScopes, 1);
array_push($scopeArray, $this->scopeIdentifier, $checkScopeSegment);
} else {
$scopeArray = [$checkScopeSegment];
}
$scopeString = implode('.', (array) $scopeArray);
return in_array($scopeString, $this->manager->getRequestedIncludes());
}
/**
* Get a list of objects
*
* @param Request $request Request object
* @return ResponseInterface Response for request
*/
public function get(Request $request, Fractal $fractal, FractalCollection $collection)
{
$this->beforeRequest($request, func_get_args());
$transformer = $this->getTransformer();
$includes = $request->input('include', '');
$filter = $request->input('filter', false);
$items = $this->getRepository();
if ($filter && is_string($filter)) {
$filter = json_decode($filter, true);
}
$queryFilter = [];
if (!empty($filter)) {
$queryFilter = new QueryFilter($filter, $items->model(), $this->getTransformer());
}
$fractal->parseIncludes($includes);
$resource = $collection->setTransformer($transformer)->setResourceKey($this->getResourceKey());
$paginator = $items->paginate($queryFilter, $transformer->getSafeEagerLoad($fractal->getRequestedIncludes()), app('context'));
$itemCollection = $paginator->getCollection();
$resource->setData($itemCollection);
$resource->setPaginator(new IlluminatePaginatorAdapter($paginator));
return $this->respondWithCollection($fractal->createData($resource));
}
