public void ReadDiscountCuopones()
{
string[] discount = File.ReadAllLines("Discount.csv");
foreach (var item in discount)
{
readCouponesArray = item.Split(',');
DiscountCoupone coupone = new DiscountCoupone()
{
Code = readCouponesArray[0],
Percentage = double.Parse(readCouponesArray[1]),
IsUsed = false
};
discountCouponesList.Add(coupone);
}
}
public void CalculateDiscount(string input, Label totalprice)
{
bool Valid = false;
foreach (var code in discountCouponesList)
{
if (input == code.Code && code.IsUsed == false)
{
Valid = true;
code.IsUsed = true;
break;
}
}
if (discountCouponesList.Where(s => s.Code == input).Select(s => s).FirstOrDefault() != null)
{
Coupone = discountCouponesList.Where(s => s.Code == input).Select(s => s).FirstOrDefault();
if (Coupone.IsUsed == true && Valid == false)
{
MessageBox.Show("Den kod är redan använd");
}
else if (Valid == true && total > 0)
{
double discountedTotal = Math.Round(total - (total * Coupone.Percentage / 100), 2);
totalprice.Content = "Ditt totala belopp är: " + discountedTotal + " kr";
total = discountedTotal;
basketStackPanel.Children.Remove(totalPriceLabel);
basketStackPanel.Children.Add(totalPriceLabel);
basketStackPanel.Children.Remove(buttonsPanel);
basketStackPanel.Children.Add(buttonsPanel);
Valid = false;
MessageBox.Show("Din rabatt kod är accepterad!");
}
}
if (discountCouponesList.Count(a => a.Code == input) == 0)
{
MessageBox.Show("Ogiltig rabatt kod!");
}
discountTextBox.Clear();
}
