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<?php |
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namespace Huntie\JsonApi\Serializers; |
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use Illuminate\Contracts\Pagination\LengthAwarePaginator; |
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class CollectionSerializer extends JsonApiSerializer |
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{ |
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/** |
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* The collection of records to transform. |
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* |
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* @var \Illuminate\Support\Collection |
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*/ |
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protected $records; |
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/** |
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* The subset of attributes to return on each record type. |
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* |
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* @var array |
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*/ |
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protected $fields; |
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/** |
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* The relationships to load and include. |
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* |
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* @var array |
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*/ |
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protected $include; |
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/** |
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* Create a new JSON API collection serializer. |
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* |
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* @param \Illuminate\Support\Collection|LengthAwarePaginator $records The collection of records to serialize |
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* @param array|null $fields Subset of fields to return by record type |
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* @param array|null $include Relations to include |
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*/ |
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public function __construct($records, array $fields = [], array $include = []) |
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{ |
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parent::__construct(); |
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if ($records instanceof LengthAwarePaginator) { |
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$this->addPaginationLinks($records); |
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$this->records = $records->getCollection(); |
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} else { |
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$this->records = $records; |
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} |
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$this->fields = array_unique($fields); |
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$this->include = array_unique($include); |
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} |
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/** |
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* Return a collection of JSON API resource objects for the record set. |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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public function toResourceCollection() |
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{ |
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return $this->records->map(function ($record) { |
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return (new ResourceSerializer($record, $this->fields, $this->include))->toResourceObject(); |
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}); |
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} |
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/** |
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* Return primary data for the JSON API document. |
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* |
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* @return mixed |
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*/ |
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protected function getPrimaryData() |
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{ |
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return $this->toResourceCollection()->toArray(); |
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} |
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/** |
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* Return any secondary included resource objects. |
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* |
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* @throws \Huntie\JsonApi\Exceptions\InvalidRelationPathException |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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public function getIncluded() |
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{ |
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$included = collect(); |
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foreach ($this->records as $record) { |
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$included = $included->merge( |
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(new ResourceSerializer($record, $this->fields, $this->include)) |
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->getIncluded() |
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); |
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} |
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return $included->unique(); |
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} |
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/** |
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* Add pagination links and meta information to the main document. |
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* |
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* @param LengthAwarePaginator $paginator |
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*/ |
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protected function addPaginationLinks($paginator) |
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{ |
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$this->addLinks([ |
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'first' => $paginator->url(1), |
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'last' => $paginator->url($paginator->lastPage()), |
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'prev' => $paginator->previousPageUrl(), |
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'next' => $paginator->nextPageUrl(), |
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]); |
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$this->addMeta('total', $paginator->total()); |
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} |
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} |
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huntie /
laravel-simple-jsonapi
