/**
* Method to update references, used when a
* new buyingoffer is placed on a salesSupply.
*/
public void AddBuyingOfferToSalesSupply(SalesSupply sale, BuyingOffer offer)
{
SalesSupply dbSalesSupply = SalesSupplies
.Where(s => s.Id == sale.Id)
.FirstOrDefault();
dbSalesSupply.HighestBuyingOffer = offer;
dbSalesSupply.HighestPrice = offer.PriceAmount;
offer.SalesSupply = dbSalesSupply;
}
//------------------------------ EVENTHANDLERS --------------------------------------------------------
/**
* This method assigns the best BuyingOffer
* of a salesSupply to a new value object,
* overwriting the existing value.
*/
private void CreateButton_Click(object sender, RoutedEventArgs e)
{
string priceStr = TxtBoxPriceOffer.Text;
double oldOffer = _salesSupply.HighestPrice;
if (priceStr == null || priceStr == "" || priceStr == "Angiv pris")
{
ErrorLabel.Content = "Indtast venligst et beløb.";
ErrorLabel.Visibility = Visibility.Visible;
}
else
{
try
{
double price = Convert.ToDouble(priceStr);
if (price > oldOffer && !priceStr.Contains("-"))
{
BuyingOffer offer = new BuyingOffer(price, _salesSupply, _buyerInfo);
_context.AddBuyingOfferToSalesSupply(_salesSupply, offer);
_context.SaveChanges();
_main.ListBox.ItemsSource = null;
_main.ListBox.ItemsSource = _context.GetSalesSupplies();
_main.Show();
this.Hide();
}
else if (priceStr.Contains("-"))
{
ErrorLabel.Content = "Indtast venligst et positivt tal.";
ErrorLabel.Visibility = Visibility.Visible;
}
else
{
ErrorLabel.Content = "Indtast venligst et beløb som overgår det forrige bud.";
ErrorLabel.Visibility = Visibility.Visible;
}
}
catch (Exception)
{
ErrorLabel.Content = "Indtast venligst et tal.";
ErrorLabel.Visibility = Visibility.Visible;
}
}
}