cssd-back/app/Http/Resources/CycleResource.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class CycleResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  Request  $request
     * @return array
     */
    public function toArray($request)
    {
        return [
            'id' => $this->id,
            'unique_id' => $this->unique_id,
            'date' => $this->date,
            'sterilizer_id' => $this->sterilizer_id,
            'cycle_number' => $this->cycle_number,
            'note' => $this->note,
            'verified' => $this->verified,
            'user_id' => $this->user_id,
            'user' => UserResource::make($this->whenLoaded('user')),
            'labels' => LabelResource::collection($this->whenLoaded('labels')),
            'created_at' => $this->created_at,
            'updated_at' => $this->updated_at
        ];
    }
}