public Order(Psorder dao, ILocation location, IUser user)
{
Dao = dao ?? throw new ArgumentNullException(paramName: nameof(dao));
if (location.Dao.LocationId != dao.Location.LocationId)
{
throw new InvalidOperationException("location inconsistent between dto and dao.");
}
Location = location;
if (user.Dao.UserId != dao.User.UserId)
{
throw new InvalidOperationException("user inconsistent between dto and dao.");
}
User = user;
Time = Dao.OrderTime;
ID = Dao.OrderId;
IDictionary <decimal, int> pizzasByPrice = Dao.PsorderPart.ToDictionary(x => x.Price, x => x.Qty);
ValidatePizzas(pizzasByPrice);
PizzasByPrice = pizzasByPrice.Where(p => p.Value != 0).ToImmutableDictionary(p => p.Key, p => p.Value);
TotalValueUsd = pizzasByPrice.Sum(x => x.Key * x.Value);
if (TotalValueUsd > MaxTotalValueUsd)
{
throw new ArgumentException(message: $"order should not exceed ${MaxTotalValueUsd} in total value.",
paramName: nameof(pizzasByPrice));
}
}
public Order(IDictionary <decimal, int> pizzasByPrice, ILocation location, IUser user) : this(pizzasByPrice)
{
Location = location ?? throw new ArgumentNullException(paramName: nameof(location));
User = user ?? throw new ArgumentNullException(paramName: nameof(user));
Dao = new Psorder
{
Location = Location.Dao,
User = User.Dao,
OrderTime = Time
};
foreach (KeyValuePair <decimal, int> entry in PizzasByPrice)
{
Dao.PsorderPart.Add(new PsorderPart()
{
Price = entry.Key, Qty = entry.Value
});
}
Dao.Location = Location.Dao;
Dao.User = User.Dao;
Dao.OrderTime = Time;
PSDBContextProvider.Current.UpdateAndSave(Dao);
if (Dao.OrderId == default)
{
throw new InvalidOperationException("could not register order.");
}
ID = Dao.OrderId;
}