/// <summary>
/// Check if the car is near the address of the request
/// </summary>
/// <param name="car"></param>
/// <returns></returns>
public bool CarOnAddressCheck(Car car)
{
if (car.CarStatus == CarStatus.Busy)
{
var takenRequest = _data.TakenRequests.Where(x => x.Car.Id == car.Id).Include(x => x.Request).FirstOrDefault();
if (takenRequest == null)
{
car.CarStatus = CarStatus.Free;
_data.SaveChanges();
}
else
{
if (takenRequest.Request.RequestStatus == RequestStatusEnum.Taken)
{
var distance = DistanceBetweenTwoPoints.GetDistance(takenRequest.Request.StartingLocation, car.Location);
if (distance < 0.020)
{
takenRequest.Request.RequestStatus = RequestStatusEnum.OnAddress;
takenRequest.OnAddressDateTime = DateTime.Now;
_data.SaveChanges();
return(true);
}
}
}
}
return(false);
}
private Car AppropriateCar(Models.Models.Location startingLocaion, RequestInfo request, Company company)
{
var nearBycars = _data.Cars.Where(x => x.Company.Id == company.Id).Where(x => x.CarStatus == CarStatus.Free).Where(x => Math.Abs(x.Location.Latitude - startingLocaion.Latitude) <= 0.0150 && Math.Abs(x.Location.Longitude - startingLocaion.Longitude) <= 0.0150).ToList();
var distances = new List <double>();
var dictionary = new Dictionary <double, Car>();
Car chosenCar = null;
if (nearBycars.Count == 0)
{
return(null);
}
foreach (var item in nearBycars)
{
var distance = DistanceBetweenTwoPoints.GetDistance(startingLocaion, item.Location);
distances.Add(distance);
dictionary.Add(distance, item);
}
var sortedDistances = distances.OrderBy(x => x);
foreach (var item in sortedDistances)
{
var car = dictionary[item];
if (!(_data.CarsDismissedRequests.Where(x => x.Request.Id == request.Id).Any(x => x.Car.Id == car.Id)) && !(_data.ActiveRequests.Any(x => x.AppropriateCar.Id == car.Id)))
{
chosenCar = car;
}
}
return(chosenCar);
}
private void NotTakenRequest(int requestId)
{
var activeRequest = _requestService.GetActiveRequests().Where(x => x.Request.Id == requestId).FirstOrDefault();
if (activeRequest?.Request != null)
{
var diff = DateTime.Now - activeRequest.DateTimeChosenCar;
if (diff.TotalSeconds > 15)
{
_data.CarsDismissedRequests.Add(new CarDismissedRequest()
{
Car = activeRequest.AppropriateCar,
Request = activeRequest.Request
});
_data.SaveChanges();
var driver = _driverService.GetDriverByCar(activeRequest.AppropriateCar);
var onlineDriver = _driverService.GetAllOnlineDrivers().Where(x => x.Driver.Id == driver.Id).FirstOrDefault();
if (onlineDriver != null)
{
Clients.Client(onlineDriver.ConnectionId).RequestTimeout();
}
var newCar = _carService.AppropriateCar(activeRequest.Request.StartingLocation, activeRequest.Request,
activeRequest.Request.Company);
if (newCar == null)
{
activeRequest.Request.RequestStatus = RequestStatusEnum.NoCarChosen;
activeRequest.AppropriateCar = null;
activeRequest.DateTimeChosenCar = DateTime.Now;
}
else
{
activeRequest.AppropriateCar = newCar;
activeRequest.DateTimeChosenCar = DateTime.Now;
driver = _driverService.GetDriverByCar(activeRequest.AppropriateCar);
onlineDriver = _driverService.GetAllOnlineDrivers().Where(x => x.Driver.Id == driver.Id).FirstOrDefault();
if (onlineDriver != null)
{
var distance = DistanceBetweenTwoPoints.GetDistance(activeRequest.Request.StartingLocation, activeRequest.AppropriateCar.Location);
Clients.Client(onlineDriver.ConnectionId).ReceiveRequest(new ReceivedRequest()
{
Distance = distance,
FinishAddress = activeRequest.Request.FinishAddress,
StartingAddress = activeRequest.Request.StartingAddress
}
);
}
}
}
}
_data.SaveChanges();
}
public Car AppropriateCar(Models.Models.Location startingLocaion, Company company = null)
{
var nearBycars = new List <Car>();
if (company == null)
{
nearBycars = _data.Cars.Where(x => x.CarStatus == CarStatus.Free).Where(x => Math.Abs(x.Location.Latitude - startingLocaion.Latitude) <= 0.0300 && Math.Abs(x.Location.Longitude - startingLocaion.Longitude) <= 0.0300).ToList();
}
else
{
nearBycars = _data.Cars.Where(x => x.Company.Id == company.Id).Where(x => x.CarStatus == CarStatus.Free).Where(x => Math.Abs(x.Location.Latitude - startingLocaion.Latitude) <= 0.0300 && Math.Abs(x.Location.Longitude - startingLocaion.Longitude) <= 0.0300).ToList();
}
var distances = new List <double>();
var dictionary = new Dictionary <double, Car>();
Car appropriateCar = null;
if (nearBycars.Count == 0)
{
return(null);
}
foreach (var item in nearBycars)
{
var distance = DistanceBetweenTwoPoints.GetDistance(startingLocaion, item.Location);
distances.Add(distance);
dictionary.Add(distance, item);
}
var sortedDistances = distances.OrderBy(x => x);
foreach (var item in sortedDistances)
{
var car = dictionary[item];
if (!_data.ActiveRequests.Any(x => x.AppropriateCar.Id == car.Id))
{
appropriateCar = car;
break;
}
}
return(appropriateCar);
}
private void NoCarChosen(int requestId)
{
var actReque = _requestService.GetActiveRequests().Where(x => x.Request.Id == requestId).FirstOrDefault();
if (actReque?.Request != null)
{
var requestInfo = _requestService.GetRequestInfos().Where(x => x.Id == actReque.Request.Id).FirstOrDefault();
if (requestInfo?.Company != null)
{
var diff1 = DateTime.Now - actReque.DateTimeChosenCar;
if (diff1.TotalSeconds > 90)
{
actReque.Request.RequestStatus = RequestStatusEnum.Dismissed;
_requestService.RemoveActiveRequest(actReque);
}
else
{
var newCar = _carService.AppropriateCar(actReque.Request.StartingLocation, actReque.Request,
requestInfo.Company);
if (newCar != null)
{
actReque.AppropriateCar = newCar;
actReque.DateTimeChosenCar = DateTime.Now;
actReque.Request.RequestStatus = RequestStatusEnum.NotTaken;
var driver = _driverService.GetDriverByCar(actReque.AppropriateCar);
var onlineDriver = _driverService.GetAllOnlineDrivers().Where(x => x.Driver.Id == driver.Id).FirstOrDefault();
if (onlineDriver != null)
{
var distance = DistanceBetweenTwoPoints.GetDistance(actReque.Request.StartingLocation, actReque.AppropriateCar.Location);
Clients.Client(onlineDriver.ConnectionId).ReceiveRequest(new ReceivedRequest()
{
Distance = distance,
FinishAddress = actReque.Request.FinishAddress,
StartingAddress = actReque.Request.StartingAddress
}
);
}
}
}
}
_data.SaveChanges();
}
}
/// <summary>
/// Return the request which is chosen as appropriate for the car as an object ready to be parsed to JSON
/// </summary>
/// <param name="car"></param>
/// <returns></returns>
public object AppropriateRequest(Car car)
{
if (data.ActiveRequests.Any(x => x.AppropriateCar.Id == car.Id))
{
var request = data.ActiveRequests.Where(x => x.AppropriateCar.Id == car.Id).Include(x => x.Request).First();
if (request.Request.RequestStatus == RequestStatusEnum.NotTaken)
{
TimeSpan diff = DateTime.Now - request.DateTimeChosenCar;
var distance = Math.Round(DistanceBetweenTwoPoints.GetDistance(request.Request.StartingLocation, new Models.Models.Location()
{
Latitude = car.Location.Latitude, Longitude = car.Location.Longitude
}), 3);
object requestObj = new { distance = distance, startAddress = request.Request.StartingAddress, finishAddress = request.Request.FinishAddress, id = request.Request.Id, time = 15 - Math.Round(diff.TotalSeconds, 0) };
return(requestObj);
}
else
{
request.AppropriateCar = null;
data.SaveChanges();
}
}
return(null);
}
