drupal-civicrm/sites/all/modules/civicrm/CRM/Utils/Geocode/Google.php

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2018-01-14 15:10:16 +02:00
<?php
/*
+--------------------------------------------------------------------+
| CiviCRM version 4.7 |
+--------------------------------------------------------------------+
| Copyright CiviCRM LLC (c) 2004-2017 |
+--------------------------------------------------------------------+
| This file is a part of CiviCRM. |
| |
| CiviCRM is free software; you can copy, modify, and distribute it |
| under the terms of the GNU Affero General Public License |
| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
| |
| CiviCRM is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public |
| License and the CiviCRM Licensing Exception along |
| with this program; if not, contact CiviCRM LLC |
| at info[AT]civicrm[DOT]org. If you have questions about the |
| GNU Affero General Public License or the licensing of CiviCRM, |
| see the CiviCRM license FAQ at http://civicrm.org/licensing |
+--------------------------------------------------------------------+
*/
/**
*
* @package CRM
* @copyright CiviCRM LLC (c) 2004-2017
*/
/**
* Class that uses google geocoder
*/
class CRM_Utils_Geocode_Google {
/**
* Server to retrieve the lat/long
*
* @var string
*/
static protected $_server = 'maps.googleapis.com';
/**
* Uri of service.
*
* @var string
*/
static protected $_uri = '/maps/api/geocode/xml?sensor=false&address=';
/**
* Function that takes an address object and gets the latitude / longitude for this
* address. Note that at a later stage, we could make this function also clean up
* the address into a more valid format
*
* @param array $values
* @param bool $stateName
*
* @return bool
* true if we modified the address, false otherwise
*/
public static function format(&$values, $stateName = FALSE) {
// we need a valid country, else we ignore
if (empty($values['country'])) {
return FALSE;
}
$config = CRM_Core_Config::singleton();
$add = '';
if (!empty($values['street_address'])) {
$add = urlencode(str_replace('', '+', $values['street_address']));
$add .= ',+';
}
$city = CRM_Utils_Array::value('city', $values);
if ($city) {
$add .= '+' . urlencode(str_replace('', '+', $city));
$add .= ',+';
}
if (!empty($values['state_province']) || (!empty($values['state_province_id']) && $values['state_province_id'] != 'null')) {
if (!empty($values['state_province_id'])) {
$stateProvince = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_StateProvince', $values['state_province_id']);
}
else {
if (!$stateName) {
$stateProvince = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_StateProvince',
$values['state_province'],
'name',
'abbreviation'
);
}
else {
$stateProvince = $values['state_province'];
}
}
// dont add state twice if replicated in city (happens in NZ and other countries, CRM-2632)
if ($stateProvince != $city) {
$add .= '+' . urlencode(str_replace('', '+', $stateProvince));
$add .= ',+';
}
}
if (!empty($values['postal_code'])) {
$add .= '+' . urlencode(str_replace('', '+', $values['postal_code']));
$add .= ',+';
}
if (!empty($values['country'])) {
$add .= '+' . urlencode(str_replace('', '+', $values['country']));
}
if (!empty($config->geoAPIKey)) {
$add .= '&key=' . urlencode($config->geoAPIKey);
}
$query = 'https://' . self::$_server . self::$_uri . $add;
require_once 'HTTP/Request.php';
$request = new HTTP_Request($query);
$request->sendRequest();
$string = $request->getResponseBody();
libxml_use_internal_errors(TRUE);
$xml = @simplexml_load_string($string);
CRM_Utils_Hook::geocoderFormat('Google', $values, $xml);
if ($xml === FALSE) {
// account blocked maybe?
CRM_Core_Error::debug_var('Geocoding failed. Message from Google:', $string);
return FALSE;
}
if (isset($xml->status)) {
if ($xml->status == 'OK' &&
is_a($xml->result->geometry->location,
'SimpleXMLElement'
)
) {
$ret = $xml->result->geometry->location->children();
if ($ret->lat && $ret->lng) {
$values['geo_code_1'] = (float) $ret->lat;
$values['geo_code_2'] = (float) $ret->lng;
return TRUE;
}
}
elseif ($xml->status == 'ZERO_RESULTS') {
// reset the geo code values if we did not get any good values
$values['geo_code_1'] = $values['geo_code_2'] = 'null';
return FALSE;
}
else {
CRM_Core_Error::debug_var("Geocoding failed. Message from Google: ({$xml->status})", (string ) $xml->error_message);
$values['geo_code_1'] = $values['geo_code_2'] = 'null';
$values['geo_code_error'] = $xml->status;
return FALSE;
}
}
}
}