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<?php |
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namespace Huntie\JsonApi\Serializers; |
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use JsonSerializable; |
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use Request; |
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abstract class JsonApiSerializer implements JsonSerializable |
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{ |
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/** |
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* The JSON API version being implemented. |
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* |
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* @var string |
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*/ |
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const JSON_API_VERSION = '1.0'; |
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/** |
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* The base URL for links. |
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* |
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* @var string |
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*/ |
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protected $baseUrl; |
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/** |
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* Meta information to include. |
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* |
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* @var array |
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*/ |
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protected $meta = []; |
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/** |
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* Resource links to include, relative to the base URL. |
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* |
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* @var array |
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*/ |
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protected $links = []; |
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/** |
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* Create a new JSON API document serializer. |
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*/ |
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public function __construct() |
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{ |
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$this->baseUrl = Request::url(); |
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$this->addLinks('self', urldecode(str_replace(Request::url(), '', Request::fullUrl()))); |
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} |
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/** |
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* Return primary data for the JSON API document. |
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* |
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* @return mixed |
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*/ |
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abstract protected function getPrimaryData(); |
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/** |
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* Return any links related to the primary data. |
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*/ |
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public function getLinks(): array |
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{ |
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return array_map(function ($path) { |
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return $this->baseUrl . $path; |
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}, $this->links); |
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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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* @return \Illuminate\Support\Collection |
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*/ |
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public function getIncluded() |
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{ |
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return collect(); |
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} |
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/** |
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* Set the base URL for document links. |
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* |
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* @param string $url |
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*/ |
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public function setBaseUrl(string $url) |
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{ |
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$this->baseUrl = preg_replace('/\/$/', '', $url); |
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} |
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/** |
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* Add included meta information. |
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* |
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* @param string|array $key |
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* @param string|int|null $value |
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*/ |
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public function addMeta($key, $value = null) |
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{ |
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$this->meta = array_merge($this->meta, is_array($key) ? $key : [$key => $value]); |
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} |
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/** |
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* Add one or more included links. |
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* |
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* @param string|array $key |
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* @param string|int|null $value |
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*/ |
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public function addLinks($key, $value = null) |
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{ |
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$this->links = array_merge($this->links, is_array($key) ? $key : [$key => $value]); |
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} |
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/** |
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* Serialise JSON API document to an array. |
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*/ |
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public function serializeToObject(): array |
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{ |
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return array_merge( |
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['data' => $this->getPrimaryData()], |
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array_filter([ |
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'included' => $this->getIncluded()->values()->toArray(), |
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'links' => $this->getLinks(), |
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'meta' => $this->meta, |
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'jsonapi' => $this->getDocumentMeta(), |
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]) |
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); |
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} |
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/** |
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* Convert the object into something JSON serializable. |
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*/ |
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public function jsonSerialize(): array |
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{ |
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return $this->serializeToObject(); |
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} |
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/** |
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* Serialise JSON API document to a JSON string. |
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*/ |
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public function serializeToJson(): string |
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{ |
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return json_encode($this->jsonSerialize()); |
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} |
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/** |
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* Reduce a collection of records to unique entries, by comparing their |
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* resource identifier values. |
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* |
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* @param \Illuminate\Support\Collection $records |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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protected function filterUnique($records) |
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{ |
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return $records->unique(function ($record) { |
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return implode(array_only($record, ['type', 'id'])); |
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}); |
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} |
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/** |
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* Return JSON API implementation information. |
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*/ |
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private function getDocumentMeta(): array |
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{ |
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return array_filter([ |
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'version' => config('jsonapi.include_version') ? self::JSON_API_VERSION : null, |
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]); |
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} |
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} |
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huntie /
laravel-simple-jsonapi
