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<?php
namespace MathieuTu\JsonSyncer\Helpers;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Database\Eloquent\Relations\HasOneOrMany;
use Illuminate\Support\Collection;
use MathieuTu\JsonSyncer\Contracts\JsonExportable;
class JsonExporter
{
private JsonExportable $exportable;
public function __construct(JsonExportable $exportable)
$this->exportable = $exportable;
}
public static function exportToJson(JsonExportable $exportable, $options = 0): string
return self::exportToCollection($exportable)->toJson($options | JSON_THROW_ON_ERROR);
public static function exportToCollection(JsonExportable $exportable): Collection
$helper = new static($exportable);
return $helper->exportAttributes()->merge($helper->exportRelations());
public function exportAttributes(): Collection
return collect($this->exportable->getJsonExportableAttributes())
->mapWithKeys(fn($attribute) => [$attribute => $this->exportable->$attribute]);
public function exportRelations(): Collection
return collect($this->exportable->getJsonExportableRelations())
->mapWithKeys(fn($relationName) => [$relationName => $this->exportable->$relationName()])
->filter(fn($relationObject) => $relationObject instanceof HasOneOrMany && $relationObject->getRelated() instanceof JsonExportable)
->map(function (HasOneOrMany $relationObject) {
$export = $relationObject->get()->map(fn($object) => self::exportToCollection($object));
return $relationObject instanceof HasOne ? $export->first() : $export;
});
mathieutu /
laravel-json-syncer
