public void Update(Car car)
{
car.EnsureValid();
DataSource.DataContext.Refresh(System.Data.Linq.RefreshMode.KeepCurrentValues, car);
DataSource.DataContext.SubmitChanges();
}
public void Add(Car car)
{
if (car.User == null)
car.User = User;
car.EnsureValid();
DataStore.Cars.Add(car);
}
public void Add(Car car)
{
if (car.User == null)
car.User = User;
car.EnsureValid();
DataSource.DataContext.Cars.InsertOnSubmit(car);
DataSource.DataContext.SubmitChanges();
}
public decimal CalculateAverageCostsPerKilometer(Car car)
{
try
{
return CalculateTotalCosts(car) / CalculateTotalKilometers(car);
}
catch {
return 0;
}
}
public decimal CalculateTotalCosts(Car car)
{
List<Refuelling> refuellings = RefuellingRepository.List(car);
refuellings.Reverse();
decimal returnValue = 0;
returnValue += car.PurchasePrice;
foreach (var refuelling in refuellings)
{
returnValue += refuelling.Total;
}
return returnValue;
}
public decimal CalculateAverageUsage(Car car)
{
List<Refuelling> refuellings = RefuellingRepository.List(car);
decimal returnValue = 0;
int count = 0;
foreach (var refuelling in refuellings)
{
if (refuelling.Usage > 0)
{
returnValue += refuelling.Usage;
count++;
}
}
if (count > 0)
{
returnValue = returnValue / count;
}
return returnValue;
}
private void detach_Cars(Car entity)
{
this.SendPropertyChanging();
entity.User = null;
}
private void attach_Cars(Car entity)
{
this.SendPropertyChanging();
entity.User = this;
}
public decimal CalculateTotalKilometers(Car car)
{
List<Refuelling> refuellings = RefuellingRepository.List(car);
refuellings.Reverse();
decimal returnValue = 0;
int index = 0;
while (returnValue == 0 && refuellings.Count > 0)
{
returnValue = refuellings[index].Kilometers;
index++;
}
return returnValue;
}
public List<Refuelling> List(Car car)
{
return DataSource.DataContext.Refuellings.Where(r => r.Car == car).OrderBy(r => r.Date).ToList();
}
public void Update(Car car)
{
car.EnsureValid();
}
public ActionResult New(FormCollection form)
{
Car car = new Car();
try
{
this.UpdateModel(car, new[] { "Make", "Model", "PurchasePrice", "LicensePlate", "FuelType", "Description" });
CarRepository.Add(car);
return RedirectToAction("Details", new { licensePlate = car.LicensePlate });
}
catch (RuleViolationException)
{
this.UpdateModelStateWithViolations(car, ViewData.ModelState);
return View("New", car);
}
}
public List<Refuelling> List(Car car)
{
return DataStore.Refuellings.Where(r => r.Car == car).OrderBy(r => r.Date).ToList();
}