//
/// <summary>
/// Default Constructor for the machine. The constructor loads the files and populates the inventory. It also resets the sales log
/// </summary>
public VirtualVendingMachine()
{
// load it up!
string directory = Environment.CurrentDirectory;
string fullPath = Path.Combine(directory, "vendingmachine.csv");
inventory = FileFunctions.LoadMachine(fullPath);
FileFunctions.ResetLog();
}
/// <summary>
/// Method to return change from the vending machine
/// </summary>
/// <returns>A changedrawer object containing the change breakdown</returns>
public ChangeDrawer ReturnChange()
{
// Log the transaction. Do it here since the CurrentBalance will change after MakeChange is called
FileFunctions.LogTransaction("GIVE CHANGE", CurrentBalance, 0M);
ChangeDrawer changeDrawer = new ChangeDrawer();
changeDrawer.MakeChange(CurrentBalance);
return(changeDrawer);
}
/// <summary>
/// Public method to add money to the vending machine's balance
/// </summary>
/// <param name="dollars">Amount of dollars to add.</param>
/// <returns>The machine balance after the money is added</returns>
public decimal FeedMoney(int dollars)
{
try
{
_currentBalance += dollars;
}
catch (Exception e)
{
throw e;
}
// Log it
FileFunctions.LogTransaction("FEED MONEY", (decimal)dollars, CurrentBalance);
return(CurrentBalance);
}
/// <summary>
/// Public method to add money to the vending machine's balance
/// </summary>
/// <param name="dollars">Amount of dollars to add.</param>
/// <returns>The machine balance after the money is added</returns>
public decimal FeedMoney(int dollars)
{
// check for negative values. Need to check here in case this class is used elsewhere
if (dollars < 0)
{
throw new InvalidDollarAmount();
}
try
{
_currentBalance += dollars;
}
catch (Exception e)
{
throw e;
}
// Log it
FileFunctions.LogTransaction("FEED MONEY", (decimal)dollars, CurrentBalance);
return(CurrentBalance);
}
/// <summary>
/// Overloaded constructor to take in a file path incase we need a different file
/// </summary>
/// <param name="fullPath">Full path to inventory file</param>
public VirtualVendingMachine(string fullPath)
{
inventory = FileFunctions.LoadMachine(fullPath);
FileFunctions.ResetLog();
}
