private async void OnBuyCarExecute()
{
if (Car.AskingPrice * 0.8 >= Price)
{
InvalidPriceVisibility = Visibility.Visible;
return;
}
var result = await MessageDialogService.ShowOkCancelDialogAsync($"Do you really want to buy {Car.CarModel.Manufacturer} {Car.CarModel.Model} {Car.ManufactureYear}?",
"Confirmation");
if (result == MessageDialogResult.Cancel)
{
_eventAggregator.GetEvent <OpenCarListEvent>().Publish(new OpenCarListEventArgs());
return;
}
//injecting data from another repository is not allowed when save changes is reqired
//additional function is created in person repository
CarSale cars_Sold = new CarSale
{
SalePrice = Price,
Date = Date
};
await _personRepository.AddNewSaleAsync(Car.Id, Customer.Id, cars_Sold);
await _carRepository.CarIsSoldAsync(Car.Id);
_eventAggregator.GetEvent <OpenCarListEvent>().Publish(new OpenCarListEventArgs());
}