public static bool ValidateWithdraw(double amount, double balance)
{
if (amount > balance)
{
SystemMessages.ShowMessage("Withdrawal amount should not be more than the current balance.");
SystemMessages.ShowCommandMessage();
return(false);
}
else
{
if (amount < 300)
{
SystemMessages.ShowMessage("Unable to process transaction. 300 is minimum withdrawal amount");
SystemMessages.ShowCommandMessage();
return(false);
}
else if (amount > 10000)
{
SystemMessages.ShowMessage("Unable to process transaction. 10,000 is maximum withdrawal amount");
SystemMessages.ShowCommandMessage();
return(false);
}
}
SystemMessages.ShowCommandMessage();
return(true);
}
public static void LogTransactionDetails(double amount, double oldbalance, double newbalance, string action, string transdate)
{
if (action == "WITHDRAW")
{
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine(" ");
Console.WriteLine(" ");
Console.WriteLine("Withdrawal Details : ");
Console.WriteLine(" ");
Console.WriteLine("Before Transaction Balance = " + oldbalance.ToString());
Console.WriteLine("Withdrawal Amount = " + amount.ToString());
Console.WriteLine("Current Transaction Balance = " + newbalance.ToString());
Console.WriteLine("Date of Transaction = " + transdate.ToString());
Console.WriteLine(" ");
Console.WriteLine(" ");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
}
else
{
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine(" ");
Console.WriteLine(" ");
Console.WriteLine("Deposit Details : ");
Console.WriteLine(" ");
Console.WriteLine("Before Transaction Balance = " + oldbalance.ToString());
Console.WriteLine("Deposit Amount = " + amount.ToString());
Console.WriteLine("Current Transaction Balance = " + newbalance.ToString());
Console.WriteLine("Transaction Date = " + transdate.ToString());
Console.WriteLine(" ");
Console.WriteLine(" ");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
Console.WriteLine("***************************");
}
SystemMessages.ShowCommandMessage();
Console.ReadLine();
}
static void Main(string[] args)
{
SystemMessages.IntroductionMessage();
while (IsExit == false)
{
string input = Console.ReadLine();
string[] inputArray = input.Trim().Split(new Char[] { ' ', '\n' });
String cmd = "";
String amount_enter = "";
for (int i = 0; i < inputArray.Length; i++)
{
if (i == 0)
{
cmd = inputArray[0].ToString();
}
else
{
amount_enter = inputArray[1].ToString();
}
}
Bank bank = new Bank();
ICommand cmdWithdraw = new Commands.WithdrawCommand(bank);
ICommand cmdDeposite = new Commands.DepositCommand(bank);
Invoker invoker = new Invoker();
if (cmd == "WITHDRAW")
{
invoker.amount = Convert.ToDouble(amount_enter);
invoker.StoreAndExecute(cmdWithdraw);
}
else if (cmd == "DEPOSIT")
{
invoker.amount = Convert.ToDouble(amount_enter);
invoker.StoreAndExecute(cmdDeposite);
}
else
{
Console.WriteLine("INVALID COMMAND");
Console.WriteLine("PLEASE ENTER COMMAND <DEPOSIT> OR <WITHDRAW>");
}
} //end while
}
public static void Deposit(double amount)
{
bool isValidDepositTransaction = ValidationDecorator.ValidateDeposit(amount, _balance);
if (isValidDepositTransaction == false)
{
SystemMessages.ExitApp();
}
else
{
double oldbalance = _balance;
double newbalance = _balance + amount;
_balance = _balance + amount;
LoggingDecorator.LogTransactionDetails(amount, oldbalance, newbalance, "DEPOSIT", DateTime.Now.ToShortDateString() + " " + DateTime.Now.ToShortTimeString());
}
}
public static void Withdraw(double amount)
{
bool isValidWithdrawalTransaction = ValidationDecorator.ValidateWithdraw(amount, _balance);
if (isValidWithdrawalTransaction == false)
{
SystemMessages.ExitApp();
}
else
{
double oldbalance = _balance;
double newbalance = _balance - amount;
_balance = _balance - amount;
LoggingDecorator.LogTransactionDetails(amount, oldbalance, newbalance, "WITHDRAW", DateTime.Now.ToShortDateString() + " " + DateTime.Now.ToShortTimeString());
}
}
public static bool ValidateDeposit(double amount, double balance)
{
if (amount < 1000)
{
SystemMessages.ShowMessage("Unable to process transaction. Minimum deposit amount is 1,000");
SystemMessages.ShowCommandMessage();
return(false);
}
else if (amount > 50000)
{
SystemMessages.ShowMessage("Unable to process transaction. Maximum deposit amount is 50,000");
SystemMessages.ShowCommandMessage();
return(false);
}
SystemMessages.ShowCommandMessage();
return(true);
}