public static Drink Get_Drink(string drinkName)
{
Drinks.InitialiseDrinks();
Drink drink = _Drinks.FirstOrDefault(x => x.Name.ToLower() == drinkName.ToLower());
return(drink);
}
public static bool Update_DrinkQuantity(string drinkName, int increase)
{
Drinks.InitialiseDrinks();
Drink drink = _Drinks.FirstOrDefault(x => x.Name.ToLower() == drinkName.ToLower());
if (drink == null)
{
return(false);
}
drink.Quantity += increase;
return(true);
}
public static bool Delete_Drink(string drinkName)
{
Drinks.InitialiseDrinks();
Drink drink = _Drinks.FirstOrDefault(x => x.Name.ToLower() == drinkName.ToLower());
if (drink == null)
{
return(false);
}
_Drinks.Remove(drink);
return(true);
}
public static bool Add_Drink(string drinkName, int qty)
{
Drinks.InitialiseDrinks();
if (_Drinks.Any(x => x.Name.ToLower() == drinkName.ToLower()))
{
return(Update_DrinkQuantity(drinkName, qty));
}
Drink newDrink = new Drink()
{
Name = drinkName,
Quantity = qty
};
_Drinks.Add(newDrink);
return(true);
}
public static List <Drink> Get_AllDrinks()
{
Drinks.InitialiseDrinks();
return(_Drinks);
}