| 1 | <?php |
| 2 | /* |
| 3 | +--------------------------------------------------------------------+ |
| 4 | | CiviCRM version 4.6 | |
| 5 | +--------------------------------------------------------------------+ |
| 6 | | Copyright CiviCRM LLC (c) 2004-2014 | |
| 7 | +--------------------------------------------------------------------+ |
| 8 | | This file is a part of CiviCRM. | |
| 9 | | | |
| 10 | | CiviCRM is free software; you can copy, modify, and distribute it | |
| 11 | | under the terms of the GNU Affero General Public License | |
| 12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | |
| 13 | | | |
| 14 | | CiviCRM is distributed in the hope that it will be useful, but | |
| 15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
| 17 | | See the GNU Affero General Public License for more details. | |
| 18 | | | |
| 19 | | You should have received a copy of the GNU Affero General Public | |
| 20 | | License and the CiviCRM Licensing Exception along | |
| 21 | | with this program; if not, contact CiviCRM LLC | |
| 22 | | at info[AT]civicrm[DOT]org. If you have questions about the | |
| 23 | | GNU Affero General Public License or the licensing of CiviCRM, | |
| 24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | |
| 25 | +--------------------------------------------------------------------+ |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * |
| 30 | * @package CRM |
| 31 | * @copyright CiviCRM LLC (c) 2004-2014 |
| 32 | * $Id$ |
| 33 | * |
| 34 | */ |
| 35 | |
| 36 | /** |
| 37 | * Class that uses google geocoder |
| 38 | */ |
| 39 | class CRM_Utils_Geocode_Google { |
| 40 | |
| 41 | /** |
| 42 | * Server to retrieve the lat/long |
| 43 | * |
| 44 | * @var string |
| 45 | */ |
| 46 | static protected $_server = 'maps.googleapis.com'; |
| 47 | |
| 48 | /** |
| 49 | * Uri of service. |
| 50 | * |
| 51 | * @var string |
| 52 | */ |
| 53 | static protected $_uri = '/maps/api/geocode/xml?sensor=false&address='; |
| 54 | |
| 55 | /** |
| 56 | * Function that takes an address object and gets the latitude / longitude for this |
| 57 | * address. Note that at a later stage, we could make this function also clean up |
| 58 | * the address into a more valid format |
| 59 | * |
| 60 | * @param array $values |
| 61 | * @param bool $stateName |
| 62 | * |
| 63 | * @return bool |
| 64 | * true if we modified the address, false otherwise |
| 65 | */ |
| 66 | public static function format(&$values, $stateName = FALSE) { |
| 67 | // we need a valid country, else we ignore |
| 68 | if (empty($values['country'])) { |
| 69 | return FALSE; |
| 70 | } |
| 71 | |
| 72 | $config = CRM_Core_Config::singleton(); |
| 73 | |
| 74 | $add = ''; |
| 75 | |
| 76 | if (!empty($values['street_address'])) { |
| 77 | $add = urlencode(str_replace('', '+', $values['street_address'])); |
| 78 | $add .= ',+'; |
| 79 | } |
| 80 | |
| 81 | $city = CRM_Utils_Array::value('city', $values); |
| 82 | if ($city) { |
| 83 | $add .= '+' . urlencode(str_replace('', '+', $city)); |
| 84 | $add .= ',+'; |
| 85 | } |
| 86 | |
| 87 | if (!empty($values['state_province'])) { |
| 88 | if (!empty($values['state_province_id'])) { |
| 89 | $stateProvince = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_StateProvince', $values['state_province_id']); |
| 90 | } |
| 91 | else { |
| 92 | if (!$stateName) { |
| 93 | $stateProvince = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_StateProvince', |
| 94 | $values['state_province'], |
| 95 | 'name', |
| 96 | 'abbreviation' |
| 97 | ); |
| 98 | } |
| 99 | else { |
| 100 | $stateProvince = $values['state_province']; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | // dont add state twice if replicated in city (happens in NZ and other countries, CRM-2632) |
| 105 | if ($stateProvince != $city) { |
| 106 | $add .= '+' . urlencode(str_replace('', '+', $stateProvince)); |
| 107 | $add .= ',+'; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | if (!empty($values['postal_code'])) { |
| 112 | $add .= '+' . urlencode(str_replace('', '+', $values['postal_code'])); |
| 113 | $add .= ',+'; |
| 114 | } |
| 115 | |
| 116 | if (!empty($values['country'])) { |
| 117 | $add .= '+' . urlencode(str_replace('', '+', $values['country'])); |
| 118 | } |
| 119 | |
| 120 | $query = 'http://' . self::$_server . self::$_uri . $add; |
| 121 | |
| 122 | require_once 'HTTP/Request.php'; |
| 123 | $request = new HTTP_Request($query); |
| 124 | $request->sendRequest(); |
| 125 | $string = $request->getResponseBody(); |
| 126 | |
| 127 | libxml_use_internal_errors(TRUE); |
| 128 | $xml = @simplexml_load_string($string); |
| 129 | if ($xml === FALSE) { |
| 130 | // account blocked maybe? |
| 131 | CRM_Core_Error::debug_var('Geocoding failed. Message from Google:', $string); |
| 132 | return FALSE; |
| 133 | } |
| 134 | |
| 135 | if (isset($xml->status)) { |
| 136 | if ($xml->status == 'OK' && |
| 137 | is_a($xml->result->geometry->location, |
| 138 | 'SimpleXMLElement' |
| 139 | ) |
| 140 | ) { |
| 141 | $ret = $xml->result->geometry->location->children(); |
| 142 | if ($ret->lat && $ret->lng) { |
| 143 | $values['geo_code_1'] = (float) $ret->lat; |
| 144 | $values['geo_code_2'] = (float) $ret->lng; |
| 145 | return TRUE; |
| 146 | } |
| 147 | } |
| 148 | elseif ($xml->status == 'OVER_QUERY_LIMIT') { |
| 149 | CRM_Core_Error::debug_var('Geocoding failed. Message from Google: ', (string ) $xml->status); |
| 150 | $values['geo_code_1'] = $values['geo_code_2'] = 'null'; |
| 151 | $values['geo_code_error'] = $xml->status; |
| 152 | return FALSE; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | // reset the geo code values if we did not get any good values |
| 157 | $values['geo_code_1'] = $values['geo_code_2'] = 'null'; |
| 158 | return FALSE; |
| 159 | } |
| 160 | |
| 161 | } |