/// <summary>
/// Execute the Command: collect the fields of the Model from the multi-converter in the View and set the values in the ViewModel
/// </summary>
/// <param name="parameter">parameters that were collected form the View usin</param>
public async void Execute(object parameter)
{
var values = (object[])parameter;
Report report = new Report();
report.name = values[0].ToString();
report.timeOfReport = DateTime.Parse(values[1].ToString());
string address = values[2].ToString();
try
{
GeocodingRequest geocodeRequest = new GeocodingRequest();
geocodeRequest.Address = address;
geocodeRequest.ApiKey = googleMapsKey;
GeocodingResponse geocode = await GoogleMaps.Geocode.QueryAsync(geocodeRequest);
if (geocode.Status == Status.OK)
{
IEnumerator <Result> iter = geocode.Results.GetEnumerator();
iter.MoveNext();
GM.Location tempLocation = iter.Current.Geometry.Location;
latitude = tempLocation.Latitude;
longitude = tempLocation.Longitude;
}
}
catch (Exception exception) { }
report.Latitude = latitude; //coord.Latitude;
report.Longitude = longitude; // coord.Longitude;
report.numOfBombs = int.Parse(values[3].ToString());
report.cityName = values[4].ToString();
CurrentVM.incomingReport = report;
}
public void CreateDirectionsResponse()
{
Location[] locations = new Location[this.RouteLocations.Count];
for (int a = 0; a < locations.Length; a++)
{
locations[a] = new Location(this.RouteLocations[a].Latitude, this.RouteLocations[a].Longitude);
}
String[] wayPoints = new String[locations.Length - 2];
for (int a = 1; a < locations.Length - 1; a++)
{
wayPoints[a - 1] = locations[a].LocationString;
}
DirectionsRequest directionsRequest = new DirectionsRequest()
{
Origin = locations[0].LocationString,
Destination = locations[locations.Length - 1].LocationString,
Waypoints = wayPoints,
TravelMode = TravelMode.Driving,
ApiKey = ConfigurationManager.AppSettings["GoogleMapsAPIKey"]
};
this.DirectionsResponse = GoogleMapsApi.GoogleMaps.Directions.Query(directionsRequest);
}
private bool IsLocationOnEdge(Location[] locations, String from, string to, double tolerance)
{
GeocodingRequest startRequest = new GeocodingRequest()
{
Address = from,
ApiKey = ConfigurationManager.AppSettings["GoogleMapsAPIKey"]
};
GeocodingRequest endRequest = new GeocodingRequest()
{
Address = to,
ApiKey = ConfigurationManager.AppSettings["GoogleMapsAPIKey"]
};
GeocodingResponse startResponse = GoogleMapsApi.GoogleMaps.Geocode.Query(startRequest);
GeocodingResponse endResponse = GoogleMapsApi.GoogleMaps.Geocode.Query(endRequest);
Location startLocation = startResponse.Results.ElementAt(0).Geometry.Location;
Location endLocation = endResponse.Results.ElementAt(0).Geometry.Location;
bool startIsOnEdge = false;
bool endIsOnEdge = false;
for (int a = 0; a < locations.Length; a++)
{
if (!startIsOnEdge && this.GetStraightDistance(locations[a], startLocation) <= tolerance)
{
startIsOnEdge = true;
}
if (!endIsOnEdge && this.GetStraightDistance(locations[a], endLocation) <= tolerance)
{
endIsOnEdge = true;
}
if (startIsOnEdge && endIsOnEdge)
{
break;
}
}
if (startIsOnEdge && endIsOnEdge)
{
return true;
}
return false;
}
private double GetStraightDistance(Location location, Location location2)
{
double R = 6371000;
double dLat = this.ToRad(location2.Latitude - location.Latitude);
double dLon = this.ToRad(location2.Longitude - location.Longitude);
double dLat1 = this.ToRad(location.Latitude);
double dLat2 = this.ToRad(location2.Latitude);
var a = Math.Sin(dLat / 2) * Math.Sin(dLat / 2) +
Math.Cos(dLat1) * Math.Cos(dLat1) *
Math.Sin(dLon / 2) * Math.Sin(dLon / 2);
var c = 2 * Math.Atan2(Math.Sqrt(a), Math.Sqrt(1 - a));
double distance = R * c;
return distance;
}
private Location[] DecodePolyline(String encodedPoints)
{
if (string.IsNullOrEmpty(encodedPoints))
{
return null;
}
List<Location> locations = new List<Location>();
char[] polyLineChars = encodedPoints.ToCharArray();
int index = 0;
int currentLat = 0;
int currentLng = 0;
int next5bits;
while (index < polyLineChars.Length)
{
int sum = 0;
int shifter = 0;
do
{
next5bits = (int)polyLineChars[index++] - 63;
sum |= (next5bits & 31) << shifter;
shifter += 5;
} while (next5bits >= 32 && index < polyLineChars.Length);
if (index >= polyLineChars.Length)
{
break;
}
currentLat += (sum & 1) == 1 ? ~(sum >> 1) : (sum >> 1);
sum = 0;
shifter = 0;
do
{
next5bits = (int)polyLineChars[index++] - 63;
sum |= (next5bits & 31) << shifter;
shifter += 5;
} while (next5bits >= 32 && index < polyLineChars.Length);
if (index >= polyLineChars.Length && next5bits >= 32)
{
break;
}
currentLng += (sum & 1) == 1 ? ~(sum >> 1) : (sum >> 1);
Location p = new Location(0, 0);
p.Latitude = Convert.ToDouble(currentLat) / 100000.0;
p.Longitude = Convert.ToDouble(currentLng) / 100000.0;
locations.Add(p);
}
return locations.ToArray();
}
public void WhenNearZeroLongitude_ExpectCorrectToString()
{
// Longitude of 0.000009 is converted to 9E-06 using Invariant ToString, but we need 0.000009
var location = new Location(57.231d, 0.000009d);
Assert.AreEqual("57.231,0.000009", location.ToString());
}
