public string AddMoney(string userInput)
{
string result = "";
decimal inputAmount = 0M;
try
{
inputAmount = decimal.Parse(userInput);
}
catch (FormatException ex)
{
result = ex.Message;
return(result);
}
if (inputAmount + Balance > 5000M)
{
result = "Amount too large. Balance limitd to $5000";
}
else if (inputAmount != Math.Ceiling(inputAmount) ||
inputAmount != Math.Floor(inputAmount))
{
result = "Amount must be whole dollar amount.";
}
else
{
Balance += inputAmount;
FileAccess fa = new FileAccess();
fa.WriteLog("Add money", inputAmount, Balance);
}
return(result);
}
public bool MakePurchase(string product, string quanity)
{
bool result = false;
int count = int.Parse(quanity);
foreach (CateringItem item in inventory)
{
if (item.ProductCode == product)
{
Balance -= item.Price * count;
item.Quanity -= count;
FileAccess fa = new FileAccess();
fa.WriteLog("Purchase " + item.ProductName, Balance + (item.Price * count), Balance);
CateringItem newItem = new CateringItem(item.ProductCode, item.ProductName,
item.Price, item.ProductType, count);
purchases.Add(newItem);
result = true;
break;
}
}
return(result);
}
public string MakeChange()
{
string result = "";
Dictionary <string, int> currency = new Dictionary <string, int>();
currency["Twenty"] = 2000;
currency["Ten"] = 1000;
currency["Five"] = 500;
currency["One"] = 100;
currency["Quarter"] = 25;
currency["Dime"] = 10;
currency["Nickle"] = 5;
int cents = (int)(Balance * 100);
foreach (KeyValuePair <string, int> item in currency)
{
if (cents / item.Value > 0)
{
result += (cents / item.Value) + " - " + item.Key + ", ";
cents = cents % item.Value;
}
}
//remove the last 2 characters (", ")
if (result.Length > 2)
{
result = result.Substring(0, result.Length - 2);
}
FileAccess fa = new FileAccess();
fa.WriteLog("Return change", Balance, 0M);
//set balance to zero
Balance = 0M;
return(result);
}
