/// <summary>
/// General action: increment (action=1) or decrement (action=-1).
/// </summary>
/// <param name="item"></param>
/// <param name="price"></param>
/// <param name="itemInCartPanel"></param>
/// <param name="action"></param>
private void UpdateUnits(Item item, Price price, FlowLayoutPanel itemInCartPanel, int action)
{
if (action == 1)
{
_cartManager.IncrementItemUnitToCart(_cart, item);
}
else
{
_cartManager.DecrementItemUnitToCart(_cart, item);
}
int amount = _cartManager.GetCartItemAmount(_cart, item);
Label lbl_amountUnit = GetAmountLabelFromPanel(itemInCartPanel);
lbl_amountUnit.Text = $"{amount}";
Label lbl_priceUnit = GetPriceUnitLabelFromPanel(itemInCartPanel);
if (price == null)
{
lbl_priceUnit.Text = $"? {Constants.Currency}";
Label lbl_priceTotal = GetPriceTotalLabelFromPanel(itemInCartPanel);
lbl_priceTotal.Text = $"? {Constants.Currency}";
}
else
{
lbl_priceUnit.Text = $"{price.PriceValue} {Constants.Currency}";
Label lbl_priceTotal = GetPriceTotalLabelFromPanel(itemInCartPanel);
lbl_priceTotal.Text = $"{price.PriceValue * amount} {Constants.Currency}";
}
if (_cartManager.GetCartItemAmount(_cart, item) == 0)
{
MessageBox.Show("Decremented to zero.");
RemoveItemFromCart(item, itemInCartPanel);
}
UpdateCartControllers();
}