onboard/app/Http/Resources/Mis/FormattedPatientResource.php

<?php

namespace App\Http\Resources\Mis;

use App\Models\MisSurgicalOperation;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;
use Illuminate\Support\Carbon;
use Illuminate\Support\Str;

class FormattedPatientResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        return [
            'id' => $this->MedicalHistoryID,
            'num' => $this->num,
            'mkb' => $this->whenLoaded('migrations', function () {
                return [
                    'ds' => $this->migrations()->first()->diagnosis()->first()?->mkb()->first()->DS ?? null,
                    'name' => $this->migrations()->first()->diagnosis()->first()?->mkb()->first()->NAME ?? null,
                ];
            }),
            'operations' => $this->whenLoaded('surgicalOperations', function () {
                return $this->surgicalOperations()->where('rf_StationarBranchID', $this->misStationarBranchId)
                    ->get()
                    ->map(function (MisSurgicalOperation $operation) {
                        return [
                            'code' => $operation->serviceMedical->ServiceMedicalCode ?? null,
                        ];
                    });
            }),
            'fullname' => Str::ucwords(Str::lower("$this->FAMILY $this->Name $this->OT")),
            'age' => Carbon::parse($this->BD)->diff(Carbon::now())->format('%y'),
            'birth_date' => Carbon::parse($this->BD)->format('d.m.Y'),
        ];
    }
}