public function Geocoding::geocode in Yandex.Maps 8

Get geo data for string.

Parameters

string $geolocation_string: Name of geographical object.

Return value

array|null Geocoding array.

File

src/Geocoding.php, line 39

Class

Geocoding

Class Geocoding.

Namespace

Drupal\yamaps

Code

public function geocode($geolocation_string) : ?array {
  if (!$geolocation_string) {
    return NULL;
  }

  // Preparing geocoding string.
  $query = [
    'format' => 'json',
    'geocode' => $geolocation_string,
    'results' => 1,
    'lang' => 'ru',
  ];
  $geolocation_url = Url::fromUri(static::YAMAPS_GEOCODER_URL, [
    'query' => $query,
    'absolute' => TRUE,
  ]);
  $geolocation_request = $this->httpClient
    ->get($geolocation_url
    ->toString());
  $geolocation_data = Json::decode($geolocation_request
    ->getBody()
    ->getContents());
  if ($geolocation_data && $geolocation_data['response']['GeoObjectCollection']['metaDataProperty']['GeocoderResponseMetaData']['found'] > 0) {
    $map_center = $geolocation_data['response']['GeoObjectCollection']['featureMember'][0]['GeoObject']['Point']['pos'];
    $bounded_by = [
      \array_map('floatval', \array_reverse(\explode(' ', $geolocation_data['response']['GeoObjectCollection']['featureMember'][0]['GeoObject']['boundedBy']['Envelope']['lowerCorner']))),
      \array_map('floatval', \array_reverse(\explode(' ', $geolocation_data['response']['GeoObjectCollection']['featureMember'][0]['GeoObject']['boundedBy']['Envelope']['upperCorner']))),
    ];
    return [
      'map_center' => \array_map('floatval', \array_reverse(\explode(' ', $map_center))),
      'bounds' => $bounded_by,
    ];
  }
  return NULL;
}