public IActionResult DetermineDistanceMatrix()
{
DropDownListForEmployees();
DistanceMatrixViewModel viewModel = new DistanceMatrixViewModel();
return(View(viewModel));
}
//[HttpPost]
public IActionResult DetermineDistanceMatrixResult(string sortOrder, DistanceMatrixViewModel inputViewModel)
{
//Ternary conditional operator
//if()? true : false
ViewData["DistanceSortParam"] = String.IsNullOrEmpty(sortOrder) ? "distance_desc" : "";
ViewData["DurationSortParam"] = sortOrder == "duration" ? "duration_desc" : "duration";
string WVUEmployeeID = inputViewModel.WvuEmployeeID;
//To use session objects, need to set statements in Startup.cs
if (WVUEmployeeID != null)
{
HttpContext.Session.SetString("WVUEmployeeID", WVUEmployeeID);
}
if (!String.IsNullOrEmpty(HttpContext.Session.GetString("WVUEmployeeID")))
{
WVUEmployeeID = HttpContext.Session.GetString("WVUEmployeeID");
}
WVUEmployee employee = iApplicationUserRepo.FindWvuEmployee(WVUEmployeeID);
string origin = employee.Department.DepartmentAddress;
if (inputViewModel.WvuEmployeeID != null)
{
inputViewModel = CreateDistanceMatrix(origin);
HttpContext.Session.SetComplexData("inputViewModel", inputViewModel);
}
else
{
inputViewModel = HttpContext.Session.GetComplexData <DistanceMatrixViewModel>("inputViewModel");
}
switch (sortOrder)
{
case "distance_desc": inputViewModel.DistanceMatrix = inputViewModel.DistanceMatrix.OrderByDescending(d => d.DistanceInMiles).ToList();
ViewData["DistanceImage"] = "descending";
break;
case "duration": inputViewModel.DistanceMatrix = inputViewModel.DistanceMatrix.OrderBy(d => d.DurationInMinutes).ToList();
break;
case "duration_desc": inputViewModel.DistanceMatrix = inputViewModel.DistanceMatrix.OrderByDescending(d => d.DurationInMinutes).ToList();
ViewData["DurationImage"] = "descending";
break;
default: inputViewModel.DistanceMatrix = inputViewModel.DistanceMatrix.OrderBy(d => d.DistanceInMiles).ToList();
break;
}
DropDownListForEmployees();
return(View("DetermineDistanceMatrix", inputViewModel));
}
public DistanceMatrixViewModel CreateDistanceMatrix(string origin)
{
DistanceMatrixViewModel inputViewModel = new DistanceMatrixViewModel();
inputViewModel.DistanceMatrix = new List <DistanceMatrixViewModel>();
List <Location> destinationLocations = new List <Location>();
List <Lot> allLots = iLotRepo.ListAllLots();
foreach (Lot eachLot in allLots)
{
DistanceMatrixViewModel processingViewModel = new DistanceMatrixViewModel();
processingViewModel.LotID = eachLot.LotID;
processingViewModel.LotAddress = eachLot.LotAddress;
processingViewModel.LotNumber = eachLot.LotNumber;
processingViewModel.AvailableSpots = eachLot.MaxCapacity - eachLot.CurrentOccupancy;
processingViewModel.LotName = eachLot.LocationName;
inputViewModel.DistanceMatrix.Add(processingViewModel);
destinationLocations.Add(new Location(eachLot.LotAddress));
}
DistanceMatrixResponse response = FindDistanceAndDurationBetweenOriginAndDestinations(origin, destinationLocations);
Row row = response.Rows.FirstOrDefault();
List <Element> elements = row.Elements.ToList();
int distanceInMeters;
double distanceInMiles;
const double metersToMileConverter = 0.00062137;
int durationInSeconds;
int durationInMinutes;
int index = 0;
foreach (Element eachElement in elements)// need to do this for all 4
{
distanceInMeters = eachElement.Distance.Value;
distanceInMiles = Math.Round((distanceInMeters * metersToMileConverter), 2);
durationInSeconds = eachElement.Duration.Value;
durationInMinutes = durationInSeconds / 60;
inputViewModel.DistanceMatrix[index].DistanceInMiles = distanceInMiles;
inputViewModel.DistanceMatrix[index].DurationInMinutes = durationInMinutes;
index++;
}
return(inputViewModel);
}
