public string AddDrink(Drink drink) { var drinkValidation = new DrinkValidationControls(this); string result = drinkValidation.ValidateItemforAdd(drink); if (result.Substring(0, 4) == "Fail") { return(result); } else { drinks.Add(drink); return(result); } }
public string DeleteDrink(Drink drink) { var drinkValidation = new DrinkValidationControls(this); string result = drinkValidation.ValidateItemforDelete(drink); if (result.Substring(0, 4) == "Fail") { return(result); } else { var drinkDeleted = drinks.FirstOrDefault(x => x.Id == drink.Id); drinks.Remove(drinkDeleted); return(result); } }