public function GoogleGeocodingAPI::geocode in Geolocation Field 8

Geocode an address.

Parameters

string $address: Address to geocode.

Return value

array||null Location or NULL.

Overrides GeocoderBase::geocode

2 calls to GoogleGeocodingAPI::geocode()

GoogleGeocodingAPI::formProcessInput in src/Plugin/geolocation/Geocoder/GoogleGeocodingAPI.php

Process from as altered above.

GoogleGeocodingAPI::formValidateInput in src/Plugin/geolocation/Geocoder/GoogleGeocodingAPI.php

Process from as altered above.

File

src/Plugin/geolocation/Geocoder/GoogleGeocodingAPI.php, line 189

Class

GoogleGeocodingAPI

Provides the Google Geocoding API.

Namespace

Drupal\geolocation\Plugin\geolocation\Geocoder

Code

public function geocode($address) {
  if (empty($address)) {
    return FALSE;
  }
  $request_url = 'https://maps.googleapis.com/maps/api/geocode/json?address=' . $address;
  if (!empty($this->geolocationSettings
    ->get('google_map_api_server_key'))) {
    $request_url .= '&key=' . $this->geolocationSettings
      ->get('google_map_api_server_key');
  }
  elseif (!empty($this->geolocationSettings
    ->get('google_map_api_key'))) {
    $request_url .= '&key=' . $this->geolocationSettings
      ->get('google_map_api_key');
  }
  if (!empty($this->configuration['components'])) {
    $request_url .= '&components=';
    foreach ($this->configuration['components'] as $component_id => $component_value) {
      $request_url .= $component_id . ':' . $component_value . '|';
    }
  }
  if (!empty($this->geolocationSettings
    ->get('google_map_custom_url_parameters')['language'])) {
    $request_url .= '&language=' . $this->geolocationSettings
      ->get('google_map_custom_url_parameters')['language'];
  }
  try {
    $result = Json::decode(\Drupal::httpClient()
      ->request('GET', $request_url)
      ->getBody());
  } catch (RequestException $e) {
    watchdog_exception('geolocation', $e);
    return FALSE;
  }
  if ($result['status'] != 'OK' || empty($result['results'][0]['geometry'])) {
    if (isset($result['error_message'])) {
      \Drupal::logger('geolocation')
        ->error(t('Unable to geocode "@address" with error: "@error".', [
        '@address' => $address,
        '@error' => $result['error_message'],
      ]));
    }
    return FALSE;
  }
  return [
    'location' => [
      'lat' => $result['results'][0]['geometry']['location']['lat'],
      'lng' => $result['results'][0]['geometry']['location']['lng'],
    ],
    // TODO: Add viewport or build it if missing.
    'boundary' => [
      'lat_north_east' => empty($result['results'][0]['geometry']['viewport']) ? $result['results'][0]['geometry']['location']['lat'] + 0.005 : $result['results'][0]['geometry']['viewport']['northeast']['lat'],
      'lng_north_east' => empty($result['results'][0]['geometry']['viewport']) ? $result['results'][0]['geometry']['location']['lng'] + 0.005 : $result['results'][0]['geometry']['viewport']['northeast']['lng'],
      'lat_south_west' => empty($result['results'][0]['geometry']['viewport']) ? $result['results'][0]['geometry']['location']['lat'] - 0.005 : $result['results'][0]['geometry']['viewport']['southwest']['lat'],
      'lng_south_west' => empty($result['results'][0]['geometry']['viewport']) ? $result['results'][0]['geometry']['location']['lng'] - 0.005 : $result['results'][0]['geometry']['viewport']['southwest']['lng'],
    ],
    'address' => empty($result['results'][0]['formatted_address']) ? '' : $result['results'][0]['formatted_address'],
  ];
}