public static async Task <string> GetSuggestedAddress(string lt, string lg)
{
try
{
WebRequest request = WebRequest.Create("https://geocode-maps.yandex.ru/1.x/?lang=ru_RU&geocode=" + lg.Replace(",", ".") + "," + lt.Replace(",", ".") + "&kind=house&results=1&format=json");
request.Timeout = 5000;
HttpWebResponse responseSB = (HttpWebResponse)request.GetResponse();
Stream dataStreamSB = responseSB.GetResponseStream();
StreamReader readerSB = new StreamReader(dataStreamSB);
JObject o = (JObject)JToken.ReadFrom(new JsonTextReader(readerSB));
string responseFromServer = readerSB.ReadToEnd();
AddressSuggestModel geo = BuildGeoInfoShort(o, new AddressSuggestModel());
readerSB.Close();
dataStreamSB.Close();
responseSB.Close();
AddressModel result = new AddressModel();
if (geo == null || string.IsNullOrWhiteSpace(geo.Address))
{
request = WebRequest.Create("https://geocode-maps.yandex.ru/1.x/?lang=ru_RU&geocode=" + lg.Replace(",", ".") + "," + lt.Replace(",", ".") + "&kind=locality&results=1&format=json");
request.Timeout = 5000;
HttpWebResponse responseLoc = (HttpWebResponse)request.GetResponse();
Stream dataStreamLoc = responseLoc.GetResponseStream();
StreamReader readerLoc = new StreamReader(dataStreamLoc);
o = (JObject)JToken.ReadFrom(new JsonTextReader(readerLoc));
geo = BuildGeoInfoShort(o, new AddressSuggestModel());
readerLoc.Close();
dataStreamLoc.Close();
responseLoc.Close();
}
string address = string.Empty;
if (geo.Address != null && geo.Description != null)
{
string city = string.Empty;
int index = geo.Description.IndexOf(',');
city = geo.Description.Substring(0, index);
address = city + ", " + geo.Address;
}
return(address);
}
catch (Exception ex)
{
return("");
}
}
public static AddressSuggestModel BuildGeoInfoShort(JToken obj, AddressSuggestModel address)
{
try
{
if (obj is JProperty)
{
JProperty jpr = obj as JProperty;
var tagName = jpr.Name;
if (tagName == "kind")
{
address.Kind = jpr.First.ToString();
}
if (tagName == "description")
{
address.Description = jpr.First.ToString();
}
if (tagName == "name")
{
address.Address = jpr.First.ToString();
}
if (tagName == "pos")
{
string[] coords = jpr.First.ToString().Split(new char[] { ' ' });
if (coords.Length == 2)
{
address.Lat = coords[1];
address.Lon = coords[0];
}
}
}
JEnumerable <JToken> joChildren = obj.Children();
foreach (var item in joChildren)
{
BuildGeoInfoShort(item, address);
}
return(address);
}
catch (Exception ex)
{
return(address);
}
}
