glhd/laravel-addressing

<?php

namespace Galahad\LaravelAddressing\Support\Http;

use Galahad\LaravelAddressing\Entity\Subdivision;
use Galahad\LaravelAddressing\LaravelAddressing;
use Illuminate\Config\Repository;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\Support\Str;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

class AdministrativeAreasController extends Controller
{
    public function __invoke(LaravelAddressing $addressing, Repository $config, Request $request, string $country_code): JsonResponse
    {
        $country = $addressing->country($country_code, $request->input('locale', null));

        if (! $country) {
            throw new NotFoundHttpException("No country found for code '{$country_code}'");
        }

        $address_format = $country->addressFormat();

        $administrative_areas = $country->administrativeAreas();

        return new JsonResponse([
            'label' => ucwords(Str::plural($address_format->getAdministrativeAreaType() ?? 'state', $administrative_areas->count())),
            'country_code' => $country_code,
            'options' => $administrative_areas
                ->map(static function(Subdivision $admin_area) {
                    return $admin_area->getName();
                })
                ->toArray(),
        ], 200);
    }
}