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<?php /* * This file is part of JSON-API. * * (c) Toby Zerner <toby.zerner@gmail.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Tobscure\JsonApi; use JsonSerializable; class Document implements JsonSerializable { use LinksTrait; use MetaTrait; /** * The included array. * * @var array */ protected $included = []; /** * The errors array. * * @var array */ protected $errors; /** * The jsonapi array. * * @var array */ protected $jsonapi; /** * The data object. * * @var ElementInterface */ protected $data; /** * @param ElementInterface $data */ public function __construct(ElementInterface $data = null) { $this->data = $data; } /** * Get included resources. * * @param \Tobscure\JsonApi\ElementInterface $element * @param bool $includeParent * * @return \Tobscure\JsonApi\Resource[] */ protected function getIncluded(ElementInterface $element, $includeParent = false) { $included = []; foreach ($element->getResources() as $resource) { if ($resource->isIdentifier()) { continue; } if ($includeParent) { $included = $this->mergeResource($included, $resource); } else { $type = $resource->getType(); $id = $resource->getId(); } foreach ($resource->getUnfilteredRelationships() as $relationship) { $includedElement = $relationship->getData(); if (! $includedElement instanceof ElementInterface) { continue; } foreach ($this->getIncluded($includedElement, true) as $child) { // If this resource is the same as the top-level "data" // resource, then we don't want it to show up again in the // "included" array. if (! $includeParent && $child->getType() === $type && $child->getId() === $id) { continue; } $included = $this->mergeResource($included, $child); } } } $flattened = []; array_walk_recursive($included, function ($a) use (&$flattened) { $flattened[] = $a; }); return $flattened; } /** * @param \Tobscure\JsonApi\Resource[] $resources * @param \Tobscure\JsonApi\Resource $newResource * * @return \Tobscure\JsonApi\Resource[] */ protected function mergeResource(array $resources, Resource $newResource) { $type = $newResource->getType(); $id = $newResource->getId(); if (isset($resources[$type][$id])) { $resources[$type][$id]->merge($newResource); } else { $resources[$type][$id] = $newResource; } return $resources; } /** * Set the data object. * * @param \Tobscure\JsonApi\ElementInterface $element * * @return $this */ public function setData(ElementInterface $element) { $this->data = $element; return $this; } /** * Set the errors array. * * @param array $errors * * @return $this */ public function setErrors($errors) { $this->errors = $errors; return $this; } /** * Set the jsonapi array. * * @param array $jsonapi * * @return $this */ public function setJsonapi($jsonapi) { $this->jsonapi = $jsonapi; return $this; } /** * Map everything to arrays. * * @return array */ public function toArray() { $document = []; if (! empty($this->links)) { $document['links'] = $this->links; } if (! empty($this->data)) { $document['data'] = $this->data->toArray(); $resources = $this->getIncluded($this->data); if (count($resources)) { $document['included'] = array_map(function (Resource $resource) { return $resource->toArray(); }, $resources); } } if (! empty($this->meta)) { $document['meta'] = $this->meta; } if (! empty($this->errors)) { $document['errors'] = $this->errors; } if (! empty($this->jsonapi)) { $document['jsonapi'] = $this->jsonapi; } return $document; } /** * Map to string. * * @return string */ public function __toString() { return json_encode($this->toArray()); } /** * Serialize for JSON usage. * * @return array */ public function jsonSerialize() { return $this->toArray(); } }