adrema/app/Member/Actions/MemberShowAction.php

<?php

namespace App\Member\Actions;

use App\Member\Member;
use App\Member\MemberResource;
use Inertia\Inertia;
use Inertia\Response;
use Lorisleiva\Actions\Concerns\AsAction;

class MemberShowAction
{
    use AsAction;

    /**
     * @return array{data: MemberResource}
     */
    public function handle(Member $member): array
    {
        return [
            'data' => new MemberResource(
                $member
                    ->load('memberships')
                    ->load('invoicePositions.invoice')
                    ->load('nationality')
                    ->load('region')
                    ->load('subscription')
                    ->load('courses.course')
            ),
            'meta' => MemberResource::meta(),
        ];
    }

    public function asController(Member $member): Response
    {
        session()->put('menu', 'member');
        session()->put('title', 'Mitglied ' . $member->fullname);

        return Inertia::render('member/ShowView', $this->handle($member));
    }
}