public static string getPrice(LatLong start, LatLong end)
{
if (start != null && end != null)
{
string URL = "https://api.uber.com/v1";
string urlParameters = "/estimates/price?" +
"start_latitude=" + start.Latitude +
"&start_longitude=" + start.Longitude +
"&end_latitude=" + end.Latitude +
"&end_longitude=" + end.Longitude;
string data = API_Call(URL, urlParameters);
return(data);
}
else
{
return(null);
}
}
public static void ScrapData(string Area)
{
Console.WriteLine("******Thread is Started for " + Area + "******");
try
{
while (true)
{
foreach (var item in Area.Equals("Boston") ? array.Boston : array.Cambridge)
{
LatLong SourceLatLong = LatLongServices.GeocodeAddress(Convert.ToString(item.Area) + " MA");
if (SourceLatLong != null)
{
for (double i = 3218.69; i <= 9656.06; i = i + 3218.69)
{
try
{
LatLong EndlatLong = LatLongServices.CalculateDerivedPosition(SourceLatLong, i, 0);
string Price = UberServices.getPrice(SourceLatLong, EndlatLong);
DbServices.addData(Price, SourceLatLong, EndlatLong, (i / 1609.34).ToString());
Console.WriteLine("====Area: " + item.Area + ", Distance: " + i + "\nStartLatLong: " + SourceLatLong.Latitude + ", " + SourceLatLong.Longitude + " EndLatLong: " + EndlatLong.Latitude + ", " + EndlatLong.Longitude + " ====");
Thread.Sleep(1000);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("%%%%%%Error Occurred in Writing Data to Mongo%%%%%%");
}
}
}
}
Console.WriteLine("******Thread is in Sleep Mode*******");
Thread.Sleep(49500);
}
}
catch (Exception ex) {
Console.WriteLine("%%%%Error Occurred in Running Thread%%%%%");
Console.WriteLine(ex.Message);
}
}
public static LatLong CalculateDerivedPosition(LatLong source, double range, double bearing)
{
try
{
double latA = source.Latitude * DegreesToRadians;
double lonA = source.Longitude * DegreesToRadians;
double angularDistance = range / EarthRadius;
double trueCourse = bearing * DegreesToRadians;
double lat = Math.Asin(Math.Sin(latA) * Math.Cos(angularDistance) + Math.Cos(latA) * Math.Sin(angularDistance) * Math.Cos(trueCourse));
double dlon = Math.Atan2(Math.Sin(trueCourse) * Math.Sin(angularDistance) * Math.Cos(latA), Math.Cos(angularDistance) - Math.Sin(latA) * Math.Sin(lat));
double lon = ((lonA + dlon + Math.PI) % (Math.PI * 2)) - Math.PI;
return new LatLong(lat * RadiansToDegrees, lon * RadiansToDegrees);
}
catch (Exception ex)
{
Console.WriteLine("%%%%%Error Occurred in Calculating Derived Position %%%%%%");
Console.WriteLine(ex.Message);
return source;
}
}
