/**
* Use MAXMIND GeoLite database to geolocation the user.
* @param string $ip_address
* @return string
*/
private static function geolocate_via_db($ip_address)
{
if (!class_exists('WC_Geo_IP')) {
include_once 'class-wc-geo-ip.php';
}
$gi = new WC_Geo_IP();
if (self::is_IPv6($ip_address)) {
$database = self::get_local_database_path('v6');
$gi->geoip_open($database, 0);
$country_code = $gi->geoip_country_code_by_addr_v6($ip_address);
} else {
$database = self::get_local_database_path();
$gi->geoip_open($database, 0);
$country_code = $gi->geoip_country_code_by_addr($ip_address);
}
$gi->geoip_close();
return sanitize_text_field(strtoupper($country_code));
}