/**
* @param ResourceTransformer $transformer
* @param ResourceCollection $collection
* @param ResourceDefinition $definition
* @param Context $context
* @param RelationshipValue $parent
* @param null $parentEntity
*/
public function processCollection(ResourceTransformer $transformer, ResourceCollection $collection, ResourceDefinition $definition, Context $context, RelationshipValue $parent = null, $parentEntity = null)
{
$builder = $this->getPaginationBuilderFromDefinition($transformer, $definition, null, null);
if (count($collection) > 0 && (!isset($parent) || $parent->getField()->getRecords() > 0)) {
// Register all identifiers if parent is present
if ($parent) {
foreach ($definition->getFields()->getIdentifiers() as $field) {
$builder->registerPropertyName($field->getName(), $field->getDisplayName());
}
}
/** @var RESTResource $first */
$first = $collection->first();
if ($first) {
$builder->setFirst($this->transformResource($builder, $first));
}
/** @var RESTResource $first */
$last = $collection->last();
if ($last) {
$builder->setLast($this->transformResource($builder, $last));
}
$cursor = $builder->getNavigation();
if ($parent) {
$url = $parent->getField()->getUrl();
} elseif ($context->getUrl()) {
$url = $context->getUrl();
} else {
$url = $definition->getUrl();
}
$url = $transformer->getPropertyResolver()->resolvePathParameters($transformer, $parentEntity, $url, $context);
$collection->addMeta('pagination', ['next' => $cursor->getNext() ? $url . '?' . http_build_query($cursor->getNext()) : null, 'previous' => $cursor->getPrevious() ? $url . '?' . http_build_query($cursor->getPrevious()) : null, 'cursors' => $cursor->toArray()]);
}
}
/**
* @param ResourceTransformer $transformer
* @param mixed $entity
* @param RelationshipValue $value
* @param Context $context
* @return RESTResource
* @throws InvalidPropertyException
*/
public function resolveOneRelationship(ResourceTransformer $transformer, $entity, RelationshipValue $value, Context $context)
{
$field = $value->getField();
$child = null;
try {
$child = $this->resolveProperty($transformer, $entity, $field, $context);
} catch (InvalidPropertyException $e) {
return null;
}
if ($child) {
return $transformer->toResource($field->getChildResource(), $child, $context->getChildContext($field, $field->getExpandContext()), $value, $entity);
}
}
/**
* @param ResourceTransformer $transformer
* @param mixed $entity
* @param RelationshipValue $value
* @param Context $context
* @return ResourceCollection
* @throws InvalidPropertyException
*/
public function resolveManyRelationship(ResourceTransformer $transformer, $entity, RelationshipValue $value, Context $context) : ResourceCollection
{
$field = $value->getField();
$models = $this->resolveProperty($transformer, $entity, $field, $context);
if ($models instanceof Relation) {
// Clone to avoid setting multiple filters
$models = clone $models;
if ($field->getRecords()) {
$models->take($field->getRecords());
}
$models = $models->get();
}
return $transformer->toResources($field->getChildResource(), $models, $context->getChildContext($field, $field->getExpandContext()), $value, $entity);
}
