bike-admin/app/Http/Resources/ParkingResource.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class ParkingResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function toArray($request)
    {
        $model = $this->resource;
        return [
            'id' => $model->id,
            'area_id' => $model->area_id,
            'name' => $model->name,
            'area_name' => $model->area->name,
            'max_number' => $model->max_number,
            'parking_fence' => json_decode($model->parking_fence),
            'parking_centre' => $model->parking_centre,
            'parking_radius' => $model->parking_radius,
            'type' => $model->type,
            'status' => (bool)$model->status,
            'created_at' => (string)$model->created_at,
            'updated_at' => (string)$model->updated_at
        ];
    }
}