private void QuickBuy(string[] inputArray, int inputCount, User user)
{
Product product;
BuyTransaction transaction;
int id;
if (int.TryParse(inputArray[1], out id))
{
product = LineSystem.GetProduct(id);
if (product != null && product.Active)
{
transaction = LineSystem.BuyProduct(user, product);
if (LineSystem.ExecuteTransaction(transaction))
{
UI.DisplayUserBuysProduct(transaction);
}
else
{
UI.DisplayInsufficientCash(user, product);
}
}
else
{
UI.DisplayProductNotFound(inputArray[1]);
}
}
else
{
UI.DisplayGeneralError(inputArray[1] + " is not a invalid productID");
}
}
private void MultiBuy(string[] inputArray, int inputCount, User user)
{
List <BuyTransaction> transactions = new List <BuyTransaction>();
Product product;
int amount, id, price;
if (int.TryParse(inputArray[1], out amount) && amount > 0)
{
if (int.TryParse(inputArray[2], out id))
{
product = LineSystem.GetProduct(id);
if (product != null && product.Active)
{
for (int i = 0; i < amount; i++)
{
transactions.Add(LineSystem.BuyProduct(user, product));
}
price = transactions[0].Amount * amount;
if (price <= user.Balance)
{
foreach (var transaction in transactions)
{
LineSystem.ExecuteTransaction(transaction);
}
UI.DisplayUserBuysProduct(transactions[0], amount);
}
else
{
UI.DisplayInsufficientCash(user, product, amount);
}
}
else
{
UI.DisplayProductNotFound(inputArray[2]);
}
}
else
{
UI.DisplayGeneralError(inputArray[2] + " is not a valid productID");
}
}
else
{
UI.DisplayGeneralError(inputArray[1] + " is not a valid amount");
}
}
//Changes a field of a product depending on the parameters of the method
private void ChangeProductBoolField(string commandName, string[] args, ProductBoolField field, bool newValue)
{
Product product;
int id;
if (IsValidArgs(commandName, args, 1))
{
if (int.TryParse(args[0], out id))
{
product = LineSystem.GetProduct(id);
if (product != null)
{
switch (field)
{
case ProductBoolField.Active:
product.Active = newValue;
break;
case ProductBoolField.CanBeBoughtOnCredit:
product.CanBeBoughtOnCredit = newValue;
break;
default:
break;
}
UI.DisplayGeneralMessage(product.Name + "'s " + field.ToString() + " field was set to " + newValue.ToString());
}
else
{
UI.DisplayProductNotFound(args[0]);
}
}
else
{
UI.DisplayGeneralError(args[0] + " is not a invalid productID");
}
}
}
public void NullGetProduct()
{
Assert.Null(lineSystem.GetProduct(10000));
Assert.NotNull(lineSystem.GetProduct(24));
}