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<?php |
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namespace ArinaSystems\JsonResponse\Transformers; |
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use Illuminate\Support\Arr; |
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use Illuminate\Pagination\LengthAwarePaginator; |
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use ArinaSystems\JsonResponse\Facades\JsonResponse; |
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class JsonResourceTransformer extends Transformer |
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{ |
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/** |
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* Determine which class of object should be transform. |
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* |
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* @return string |
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*/ |
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public function objectClass(): string |
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{ |
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return \Illuminate\Http\Resources\Json\JsonResource::class; |
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} |
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/** |
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* Transform the data value to array. |
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* |
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* @return array |
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*/ |
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public function toArray(): array |
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{ |
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if ($this->item->resource instanceof LengthAwarePaginator) { |
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$this->paginationInformation(); |
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} |
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return $this->item->resolve(); |
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} |
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/** |
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* Add the pagination information to the response. |
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* |
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* @return void |
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*/ |
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protected function paginationInformation() |
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{ |
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$paginated = $this->item->resource->toArray(); |
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JsonResponse::setAttributes('links', $this->paginationLinks($paginated)); |
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JsonResponse::setAttributes('meta', $this->meta($paginated)); |
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} |
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/** |
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* Get the pagination links for the response. |
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* |
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* @param array $paginated |
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* @return array |
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*/ |
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protected function paginationLinks($paginated) |
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{ |
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return [ |
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'first' => $paginated['first_page_url'] ?? null, |
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'last' => $paginated['last_page_url'] ?? null, |
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'prev' => $paginated['prev_page_url'] ?? null, |
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'next' => $paginated['next_page_url'] ?? null, |
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]; |
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} |
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/** |
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* Gather the meta data for the response. |
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* |
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* @param array $paginated |
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* @return array |
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*/ |
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protected function meta($paginated) |
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{ |
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return Arr::except($paginated, [ |
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'data', |
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'first_page_url', |
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'last_page_url', |
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'prev_page_url', |
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'next_page_url', |
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]); |
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} |
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} |
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arinasystems /
laravel-json-response
