public void ChangePrice(float price)
{
if (IsDeleted)
{
throw new InvalidOperationException("Order item is deleted.");
}
if (price <= 0)
{
throw new ArgumentException("Price must be larger than 0.");
}
Price = price;
var oldValue = TotalValue;
TotalValue = Price * Amount;
var difference = TotalValue - oldValue;
ProviderOrder.UpdateTotalValue(difference);
}
public void ChangeAmount(float amount)
{
if (IsDeleted)
{
throw new InvalidOperationException("Order item is deleted.");
}
if (amount <= 0)
{
throw new ArgumentException("Amount must be larger than 0.");
}
if (Amount == amount)
{
throw new ArgumentException("Amount can't be the same as before.");
}
var difference = amount - Amount;
var movementType = DepositMovement.In;
if (difference < 0)
{
difference = -difference;
movementType = DepositMovement.Out;
}
Amount = amount;
var oldValue = TotalValue;
TotalValue = Price * Amount;
var deposit = ProviderDeposit.MakeProviderDeposit(this, difference, movementType);
Deposits.Add(deposit);
difference = TotalValue - oldValue;
ProviderOrder.UpdateTotalValue(difference);
}
public static ProviderOrder MakeProviderOrder(int registerNumber, Provider provider)
{
if (registerNumber <= 0)
{
throw new ArgumentException("Register number must be larger than 0.");
}
if (provider == null)
{
throw new ArgumentNullException("Provider must have a value.");
}
var providerOrder = new ProviderOrder();
providerOrder.RegisterDate = DateTime.Now;
providerOrder.RegisterNumber = registerNumber;
providerOrder.ProviderId = provider.Id;
providerOrder.Provider = provider;
providerOrder.TotalValue = 0;
providerOrder.ProviderOrderItems = null;
return(providerOrder);
}
public static ProviderOrderItem MakeProviderOrderItem(ProviderOrder providerOrder, Product product, float amount)
{
if (providerOrder == null)
{
throw new ArgumentNullException("Provider order must have a value.");
}
if (product == null)
{
throw new ArgumentNullException("Product must have a value.");
}
if (amount <= 0)
{
throw new ArgumentException("Amount must be larger than 0.");
}
var providerOrderItem = new ProviderOrderItem();
providerOrderItem.ProviderOrderId = providerOrder.Id;
providerOrderItem.ProviderOrder = providerOrder;
providerOrderItem.ProductId = product.Id;
providerOrderItem.Product = product;
providerOrderItem.Amount = amount;
providerOrderItem.Price = product.Price;
providerOrderItem.TotalValue = providerOrderItem.Price * providerOrderItem.Amount;
providerOrderItem.Deposits = new Collection <ProviderDeposit>();
providerOrder.UpdateTotalValue(providerOrderItem.TotalValue);
var deposit = ProviderDeposit.MakeProviderDeposit(providerOrderItem, amount, DepositMovement.In);
providerOrderItem.Deposits.Add(deposit);
return(providerOrderItem);
}
