private void RemoveSingleFromCart(Purchase toRemove)
{
purchasesList.Remove(toRemove);
// update the stock of the product
foreach (Buyable b in currentList)
{
if (b.Prod.ProductID == toRemove.PrdID)
{
b.LeftInStock = b.LeftInStock + toRemove.Amount;
}
}
ProductGrid.CancelEdit();
ProductGrid.Items.Refresh();
String total = Convert.ToString(int.Parse(totalPrice1.Text) - (toRemove.Price) * (toRemove.Amount));
totalPrice1.Text = total;
totalPrice2.Text = total;
totalAmount.Text = Convert.ToString(int.Parse(totalAmount.Text) - toRemove.Amount);
if (!purchasesList.Any())
{
emptyCart.Visibility = Visibility.Visible;
removals.Visibility = Visibility.Collapsed;
}
// update product and amount selected in a dictionary
if (currentCart.Any())
{
currentCart.Remove(toRemove.PrdID);
}
}
private void RemoveManyFromCart(object sender, RoutedEventArgs e)
{
if (!purchasesList.Any())
{
MessageBox.Show("The shopping cart is empty");
}
else
{
// update the stock of the products
foreach (Purchase p in purchasesList)
{
if (currentList.Any())
{
foreach (Buyable b in currentList)
{
if (p.PrdID == b.Prod.ProductID)
{
b.LeftInStock = b.LeftInStock + p.Amount;
}
}
}
}
ProductGrid.CancelEdit();
ProductGrid.Items.Refresh();
purchasesList.Clear();
// zero the total price and total amount of products in the shopping cart
totalPrice1.Text = Convert.ToString(0);
totalPrice2.Text = Convert.ToString(0);
totalAmount.Text = Convert.ToString(0);
currentCart.Clear();
}
}
private void AddSingleToCart(Buyable b)
{
Purchase toBuy = new Purchase(b.Prod.ProductID, b.Prod.Name, b.Prod.Price, b.Amount);
if (b.Amount < 0)
{
MessageBox.Show("Invalid product amount");
}
else if (b.Amount == 0)
{
MessageBox.Show("please choose an amount to buy");
}
else if (b.Amount > b.LeftInStock)
{
MessageBox.Show("We don't have so many " + b.Prod.Name + "s at E-MART!");
}
else
{
// check if the same product is already in the shopping cart
Purchase identical = null;
if (purchasesList.Any())
{
foreach (Purchase p in purchasesList)
{
if (p.PrdID == toBuy.PrdID)
{
identical = p;
}
}
}
if (identical == null)
{
purchasesList.Add(toBuy);
}
else
{
identical.Amount += toBuy.Amount;
}
// refresh the shopping cart datagrid
purchaseGrid.CancelEdit();
purchaseGrid.Items.Refresh();
// update the stock of the product
b.LeftInStock = b.LeftInStock - b.Amount;
// update the total price and total amount of products in the shopping cart
String total = Convert.ToString(int.Parse(totalPrice1.Text) + (b.Prod.Price) * (b.Amount));
totalPrice1.Text = total;
totalPrice2.Text = total;
totalAmount.Text = Convert.ToString(int.Parse(totalAmount.Text) + b.Amount);
emptyCart.Visibility = Visibility.Collapsed;
removals.Visibility = Visibility.Visible;
// update product and amount selected in a dictionary
bool flag = false;
if (currentCart.Any())
{
foreach (int inCart in currentCart.Keys)
{
if (b.Prod.ProductID == inCart && !flag)
{
flag = true;
}
}
}
if (flag)
{
currentCart[b.Prod.ProductID] = b.LeftInStock;
}
else
{
currentCart.Add(b.Prod.ProductID, b.LeftInStock);
}
// zero the amount in main table
b.ZeroAmount();
// refresh the products datagrid
ProductGrid.CancelEdit();
ProductGrid.Items.Refresh();
}
}