Map geo radius search

MapService.php

<?php

namespace App\Service;

use App\Entity\Address;
use Doctrine\ORM\EntityManagerInterface;
use Geocoder\Provider\Nominatim\Nominatim;
use Geocoder\Query\GeocodeQuery;
use Geocoder\StatefulGeocoder;
use Http\Adapter\Guzzle6\Client;
use League\Geotools\Coordinate\Coordinate;
use League\Geotools\Geotools;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

class MapService
{
    /**
     * @var StatefulGeocoder
     */
    private $geocoder;

    public function __construct(RequestStack $requestStack)
    {
        $server = 'https://nominatim.openstreetmap.org';
        $userAgent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36';

        $httpClient = new Client();
        $provider = new Nominatim($httpClient, $server, $userAgent);
        $locale = $requestStack->getCurrentRequest() ? $requestStack->getCurrentRequest()->getLocale() : 'DE-de';
        $this->geocoder = new StatefulGeocoder($provider, $locale);
    }

    public function getCoordinatesFromAddress(Address $address)
    {
        $data = [
            $address->getNumber(),
            $address->getStreet(),
            $address->getCity(),
            $address->getZip(),
            'Deutschland',
        ];

        $address = implode(array_filter($data), ', ');

        $geocode = $this->geocoder->geocodeQuery(GeocodeQuery::create($address));

        if (!$geocode->isEmpty()) {
            $coordinates = $geocode->first()->getCoordinates();

            return [
                'lat' => $coordinates->getLatitude(),
                'lng' => $coordinates->getLongitude(),
            ];
        }

       return [];
    }

    public function filterUsersByRadiusSearch($users, $searchZip, $distanceKm = 10)
    {
        $geotools = new Geotools();

        $address = new Address();
        $address->setZip($searchZip);
        $coordinates = $this->getCoordinatesFromAddress($address);

        if (!$coordinates) {
            throw new NotFoundHttpException();
        }

        $users = array_filter($users, function($user) use ($geotools, $coordinates, $distanceKm) {
            /** @var Address $address */
            $address = $user->getOfficeAddress() ? $user->getOfficeAddress() : $user->getAddress();

            $target = new Coordinate(array_values($coordinates));
            $location = new Coordinate([$address->getLat(), $address->getLng()]);

            $distance = $geotools
                ->distance()
                ->in('km')
                ->setFrom($target)
                ->setTo($location);

            return ($distance->flat() <= $distanceKm);
        });

        return $users;
    }
}