public static int GetSecondsByCar(Coordinates origin, Coordinates dest, int secondsWithoutCar, string API_KEY)
{
string json = HTTPHelpers.SynchronizedRequest("GET", $"https://maps.googleapis.com/maps/api/directions/json" +
$"?origin={origin.Lat},{origin.Lng}&destination={dest.Lat},{dest.Lng}&mode=driving&key={API_KEY}&language=en-US");
JObject jObj = JObject.Parse(json);
int secondsByCar = Convert.ToInt32(jObj["routes"].First["legs"].First["duration"]["value"].ToString());
return(secondsByCar);
}
public static List <Route> Calculate(ClientRouteCalculatorRequest rcr)
{
string API_KEY = Environment.ExpandEnvironmentVariables(ConfigurationManager.AppSettings["GOOGLE_API_KEY"]);
List <Route> resultList = new List <Route>();
foreach (string company in rcr.CompaniesWithAddresses)
{
string companyNameWithStateEscaped = Uri.EscapeUriString(company);
/* Extract exact address from company + state combination */
string json = HTTPHelpers.SynchronizedRequest("GET", $"https://maps.googleapis.com/maps/api/place/findplacefromtext/json?" +
$"input={companyNameWithStateEscaped}&inputtype=textquery&language=en-US&fields=all&key={API_KEY}");
string exactAddress = RouteCalculatorHelpers.ExtractFormattedAddress(json);
string exactAddressEscaped = Uri.EscapeUriString(exactAddress);
/* Extract latitude, longitude from an address */
json = HTTPHelpers.SynchronizedRequest("GET", $"https://maps.googleapis.com/maps/api/geocode/json?" +
$"address={exactAddressEscaped}&key={API_KEY}");
Coordinates destCoordinates = RouteCalculatorHelpers.ExtractLatLng(json);
Coordinates originCoordinates = new Coordinates(rcr.Coordinates.Lat, rcr.Coordinates.Lng);
// Get Route
json = HTTPHelpers.SynchronizedRequest("GET", $"https://maps.googleapis.com/maps/api/directions/json" +
$"?origin={originCoordinates.Lat},{originCoordinates.Lng}&destination={destCoordinates.Lat},{destCoordinates.Lng}&mode=transit&key={API_KEY}&language=en-US");
/* Calculate whether it is beneficial to use a car to drive to one of the stations */
// Loop over to get all station coordinates
List <Coordinates> stationsInRoute = RouteCalculatorHelpers.GetStationsInRoute(json);
// Calculate route to station via private vehicle
int minLengthId = -1, minLengthRoute = int.MaxValue, differenceCarVsPublic = -1;
for (int i = 0; i < stationsInRoute.Count; i++)
{
Coordinates c = stationsInRoute[i];
int secondsUntilStationNoCar = RouteCalculatorHelpers.CalculateSecondsUntilStation(json, c);
if (RouteCalculatorHelpers.IsBeneficialToDriveByCar(originCoordinates, c, secondsUntilStationNoCar, API_KEY))
{
int seconds = RouteCalculatorHelpers.GetLengthOfRouteByCar(originCoordinates, c, secondsUntilStationNoCar, API_KEY);
if (seconds < minLengthRoute)
{
minLengthRoute = seconds;
minLengthId = i;
differenceCarVsPublic = secondsUntilStationNoCar - seconds;
}
}
}
bool isBeneficial;
Coordinates prvVehicleCoords;
string carDriveJustification = "";
try
{
prvVehicleCoords = new Coordinates(stationsInRoute[minLengthId].Lat, stationsInRoute[minLengthId].Lng);
isBeneficial = true;
TimeSpan time = TimeSpan.FromSeconds(differenceCarVsPublic);
string timeStr = time.ToString(@"hh\:mm\:ss");
carDriveJustification = $"Driving with a private vehicle to 'PrivateVehicleCoordinates' " +
$"and only then beginning the public transport journey will save {timeStr}";
} catch (ArgumentOutOfRangeException oorException)
{
prvVehicleCoords = new Coordinates(0, 0);
isBeneficial = false;
Console.WriteLine(oorException.ToString());
}
Route route = new Route(
exactAddress, originCoordinates, destCoordinates, prvVehicleCoords, isBeneficial, carDriveJustification);
resultList.Add(route);
}
return(resultList);
}
