/// <summary>
/// Displays instructions to the user
/// </summary>
/// <param name="aName">the name of the user</param>
/// <param name="aAccount">the account the user is working with</param>
/// <param name="aInterestRate">the interest rate of the account</param>
/// <returns>a string input by the user indicating the action to take</returns>
private static string GetAction(string aName, Account aAccount, int aInterestRate)
{
// greeting and instructions
Console.WriteLine("What would you like to do {0}:", aName);
Console.WriteLine("Balance is {0:C}", aAccount.GetBalance());
Console.WriteLine("Interest is {0}% and is calculated on the balance every third transaction", aInterestRate);
Console.WriteLine(
"(D)eposit, (W)ithdrawal, Get (B)alance, (L)ist actions for this session, E(X)it? (not case sensitive)");
// read console
var aAction = Console.ReadLine();
return aAction;
}
public static void Main(string[] args)
{
var aInterestRate = 5;
var aEventLog = new EventLog();
var aAccount = new Account(aInterestRate, aEventLog);
var aActionLower = string.Empty;
Console.WriteLine("Enter your name:");
var aName = Console.ReadLine();
do
{
var aAction = GetAction(aName, aAccount, aInterestRate);
if (string.IsNullOrEmpty(aAction))
continue;
aActionLower = aAction.ToLower();
// do a deposit
if (aActionLower == "d" || aActionLower == "deposit")
{
MakeDeposit(aAccount);
}
// do a withdrawal
if (aActionLower == "w" || aActionLower == "withdrawal")
{
MakeWithdrawal(aAccount);
}
// do a balance inquiry
if (aActionLower == "b" || aActionLower == "balance")
{
Console.Clear();
// print the balance
Console.WriteLine("Balance is {0:C}", aAccount.GetBalance());
}
// show the log for the session
if (aActionLower == "l" || aActionLower == "list")
{
aEventLog.Events.ForEach(Console.WriteLine);
}
} while (aActionLower != "x" && aActionLower != "exit");
// exit
Console.WriteLine("Goodbye {0}, press \"Enter\" to exit", aName);
Console.ReadLine();
}
private static void MakeDeposit(Account aAccount)
{
Console.WriteLine("Enter amount to deposit");
var aAmountEntered = Console.ReadLine();
// if nothing was entered then continue
if (string.IsNullOrEmpty(aAmountEntered))
return;
// if a non-numeric value was entered then continue
decimal aAmount;
if (!decimal.TryParse(aAmountEntered, out aAmount))
return;
// adjust the balance
aAccount.Deposit(aAmount);
// print the balance
Console.Clear();
Console.WriteLine("Balance is {0:C}", aAccount.GetBalance());
}
private static void MakeWithdrawal(Account aAccount)
{
Console.WriteLine("Enter amount to withdrawal");
var aAmountEntered = Console.ReadLine();
// if nothing was entered then continue
if (string.IsNullOrEmpty(aAmountEntered))
return;
// if a non-numeric value was entered then contine
decimal aAmount;
if (!decimal.TryParse(aAmountEntered, out aAmount))
return;
Console.Clear();
// adjust the balance
try
{
aAccount.Withdrawal(aAmount);
}
catch (WithdrawalException ex)
{
Console.WriteLine(
"Withdrawal {0:C} is greater than your account balance {1:C}, cannot complete the action",
ex.WithdrawalAmount, ex.AccountBalance);
return;
}
// print the balance
Console.WriteLine("Balance is {0:C}", aAccount.GetBalance());
}
