/// <summary>
/// Creates DishInOrder instance for Order object
/// </summary>
/// <param name="dishId">Id of the dish to be added</param>
/// <param name="quantity">Quantity of the dish to added</param>
/// <returns>instance of DishInOrder</returns>
public static DishInOrder AddDish(int dishId, int quantity)
{
DishInOrder dishInOrder = new DishInOrder();
dishInOrder.DishID = dishId;
dishInOrder.Quantity = quantity;
return(dishInOrder);
}
private void buttonAddDish_Click(object sender, RoutedEventArgs e)
{
if (comboBoxProducts.SelectedValue != null &&
textBoxProductQuantity.Text != null &&
int.TryParse(textBoxProductQuantity.Text, out int j) &&
j > 0)
{
try
{
Dish selectedDish = availableDishes.SingleOrDefault
(d => d.Id == int.Parse(comboBoxProducts.SelectedValue.ToString()));
var dishForAdding = new DishInOrder();
var dishForDisplaying = new DishInOrder();
dishForAdding.Quantity = int.Parse(textBoxProductQuantity.Text);
dishForAdding.DishID = selectedDish.Id;
dishForAdding.OrderID = currentOrder.Id;
dishForDisplaying.Dish = selectedDish;
dishForDisplaying.Order = currentOrder;
dishForDisplaying.Quantity = int.Parse(textBoxProductQuantity.Text);
if (_orderDishes.SingleOrDefault(od => od.DishID == selectedDish.Id) == null)
{
_orderDishes.Add(dishForAdding);
for (int i = 0; i < dishForDisplaying.Quantity; i++)
{
_displayedDishes.Add(dishForDisplaying.Dish);
}
}
else
{
_orderDishes.SingleOrDefault(od => od.DishID == selectedDish.Id).Quantity
+= int.Parse(textBoxProductQuantity.Text);
for (int i = 0; i < int.Parse(textBoxProductQuantity.Text); i++)
{
_displayedDishes.Add(dishForDisplaying.Dish);
}
}
}
catch (InvalidOperationException ex)
{
MessageBox.Show(ex.Message);
}
}
else
{
MessageBox.Show("Specify correct input for a dish and its quantity.", "Warning", MessageBoxButton.OK, MessageBoxImage.Asterisk);
}
}
