using SafeMobileLib; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Xml; namespace Dispatcher { public class ReverseGeocodingModule { public static String osnServer = "192.168.65.130"; public static List CalculateAddressForPositions(List positions) { List results = new List(); foreach(ILocationAddress pos in positions) { if (pos.Lat == 0.0 && pos.Lng == 0.0) continue; String address = GetAddressFromOSM(pos.Lat, pos.Lng); if (address == null) address = GetAddressFromGoogle(pos.Lat, pos.Lng); if(address == null) address = Math.Round(pos.Lat, 5).ToString() + " , " + Math.Round(pos.Lng, 5).ToString(); results.Add(address); pos.Address = address; } return results; } public static async Task> CalculateAddressForPositionsAsync(List positions) { List results = new List(); await Task.Factory.StartNew(() => { foreach (ILocationAddress pos in positions) { if (pos.Lat == 0.0 && pos.Lng == 0.0) continue; String address = GetAddressFromOSM(pos.Lat, pos.Lng); if (address == null) address = GetAddressFromGoogle(pos.Lat, pos.Lng); if (address == null) address = Math.Round(pos.Lat, 5).ToString() + " , " + Math.Round(pos.Lng, 5).ToString(); results.Add(address); pos.Address = address; } }); return results; } public static string GetAddressFromGoogle(Double LAT, Double LNG) { String addr = null; try { XmlDocument doc = new XmlDocument(); XmlNode element = null; doc.Load("http://maps.googleapis.com/maps/api/geocode/xml?latlng=" + (LAT.ToString()).Replace(',', '.') + "," + (LNG.ToString()).Replace(',', '.') + "&sensor=false"); element = doc.SelectSingleNode("//GeocodeResponse/status"); if (element.InnerText == "OK") { element = doc.SelectSingleNode("//GeocodeResponse/result/formatted_address"); addr = element.InnerText.Replace("'", "`"); Utils.WriteLine($"Google Reverse Geocoding for [{LAT},{LNG}] is {addr}", ConsoleColor.Green); } else { Utils.WriteLine($"Unable to do Reverse Geocoding from Google for [{LAT},{LNG}]. Response is {element.InnerText}", ConsoleColor.Yellow); } } catch (Exception ex) { Utils.WriteLine($"Unable to do Reverse Geocoding from Google for [{LAT},{LNG}]", ConsoleColor.Yellow); //SM.Debug("Error on address calc:"+ex.ToString()); } //SM.Debug("Prin google:" + addr); return addr; } public static string GetAddressFromOSM(Double LAT, Double LNG) { String addr = null; try { XmlDocument doc = new XmlDocument(); XmlNode element = null; string address = $"http://{osnServer}/nominatim/reverse?format=xml&lat=" + (LAT.ToString()).Replace(',', '.') + "&lon=" + (LNG.ToString()).Replace(',', '.') + "&zoom=18&addressdetails=1"; doc.Load(address); //doc.Load("http://nominatim.openstreetmap.org/reverse?format=xml&lat=" + (LAT.ToString()).Replace(',', '.') + "&lon=" + (LNG.ToString()).Replace(',', '.') + "&zoom=18&addressdetails=1"); //doc.Load("http://89.33.124.4:1142/nominatim/reverse?format=xml&lat=" + (LAT.ToString()).Replace(',', '.') + "&lon=" + (LNG.ToString()).Replace(',', '.') + "&zoom=18&addressdetails=1"); element = doc.SelectSingleNode("//reversegeocode/result"); addr = element?.InnerText.Replace("'", "`"); if (addr == null) { element = doc.SelectSingleNode("//reversegeocode/error"); addr = element?.InnerText.Replace("'", "`"); } if (addr.Contains("Unable to geocode") || addr.StartsWith("Fail")) { addr = null; Utils.WriteLine($"Unable to do Reverse Geocoding from OSM for [{LAT},{LNG}]. Response is {addr}", ConsoleColor.Yellow); } else Utils.WriteLine($"OSM Reverse Geocoding for [{LAT},{LNG}] is {addr}", ConsoleColor.Green); } catch (Exception ex) { Utils.WriteLine($"Unable to do Reverse Geocoding from OSM for [{LAT},{LNG}]", ConsoleColor.Yellow); } return addr; } } }