Created
May 25, 2020 12:57
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Map geo radius search
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<?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; | |
} | |
} |
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