public void SearchAccountScreen()
{
CheckDBacc checkDBacc = new CheckDBacc();
//do while loop to keep display the screen incase user want to re enter
do
{
try
{
this.error = false;
Console.Clear();
Console.WriteLine("\t ------------------------------------------------------------- ");
Console.WriteLine("\t| Search An Account |");
Console.WriteLine("\t =============================================================");
Console.WriteLine("\t| Enter the Account number below |");
Console.WriteLine("\t| |");
Console.Write("\t| Account number: ");
//record cursor position
int numberLeft = Console.CursorLeft;
int numberTop = Console.CursorTop;
Console.Write(" |\n");
Console.WriteLine("\t| |");
Console.WriteLine("\t ------------------------------------------------------------- ");
this.feedbackLeft = Console.CursorLeft;
this.feedbackTop = Console.CursorTop;
//set cursor posiition to account number position
Console.SetCursorPosition(numberLeft, numberTop);
string tempInput = Console.ReadLine();
this.accNum = Convert.ToInt32(tempInput);
//check if account entered is within 10 digits
//check if enter = 0 because in accDB, after account deletion, 0 would be placeholder
if (tempInput.Length > 10 || this.accNum == 0)
{
throw new Exception("Account number invalid");
}
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
//check if acc number is in the accDB.txt
if (!checkDBacc.checkExist(this.accNum))
{
Console.WriteLine("\t\t Account not found");
}
else if (checkDBacc.checkExist(this.accNum))
{
//display the account detail
displayFound(this.accNum);
this.feedbackLeft = Console.CursorLeft;
this.feedbackTop = Console.CursorTop;
}
//let user decide if want to continue
throw new Exception("");
}
catch (OverflowException ex)
{
ex.ToString();
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t Account number invalid");
this.error = ExceptionHandle();
}
catch (Exception e)
{
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t " + e.Message);
this.error = ExceptionHandle();
}
} while (this.error);
}
public void StatementScreen()
{
ErrorHandler errorHandler = new ErrorHandler();
CheckDBacc checkDBacc = new CheckDBacc();
//do while loop incase user wants to re enter
do
{
try
{
this.error = false;
Console.Clear();
Console.WriteLine("\t ------------------------------------------------------------- ");
Console.WriteLine("\t| Statement |");
Console.WriteLine("\t =============================================================");
Console.WriteLine("\t| Enter the Account number below |");
Console.WriteLine("\t| |");
Console.Write("\t| Account number: ");
//record cursor position
int numberLeft = Console.CursorLeft;
int numberTop = Console.CursorTop;
Console.Write(" |\n");
Console.WriteLine("\t| |");
Console.WriteLine("\t ------------------------------------------------------------- ");
this.feedbackLeft = Console.CursorLeft;
this.feedbackTop = Console.CursorTop;
//set cursor position
Console.SetCursorPosition(numberLeft, numberTop);
string tempInput = Console.ReadLine();
//Console.WriteLine(tempInput);
this.accNum = Convert.ToInt32(tempInput);
//check for input digit less than 10
//check for input 0 for accDB use 0 as placeholder
if (tempInput.Length > 10 || this.accNum == 0)
{
throw new Exception("Invalid account number");
}
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
if (!checkDBacc.checkExist(this.accNum))
{
throw new Exception("Account not found");
}
else if (checkDBacc.checkExist(this.accNum))
{
Console.WriteLine("\t\t Account found, statement is displayed below.");
Console.WriteLine("");
//display statement
DisplayFound(this.accNum);
}
}
catch (OverflowException ex)
{
ex.ToString();
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t Account number is too long");
this.error = errorHandler.CheckUserInput();
}
catch (Exception e)
{
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t " + e.Message);
//set error based on userInput
this.error = errorHandler.CheckUserInput();
}
} while (this.error);
}
public void DeleteScreen()
{
ErrorHandler errorHandler = new ErrorHandler();
CheckDBacc checkDBacc = new CheckDBacc();
//do while loop if user wants to re-enter
do
{
try
{
this.error = false;
Console.Clear();
Console.WriteLine("\t ------------------------------------------------------------- ");
Console.WriteLine("\t| Delete an Account |");
Console.WriteLine("\t =============================================================");
Console.WriteLine("\t| Enter the Account number below |");
Console.WriteLine("\t| |");
Console.Write("\t| Account number: ");
//record the current cursor position
int numberLeft = Console.CursorLeft;
int numberTop = Console.CursorTop;
Console.Write(" |\n");
Console.WriteLine("\t| |");
Console.WriteLine("\t ------------------------------------------------------------- ");
this.feedbackLeft = Console.CursorLeft;
this.feedbackTop = Console.CursorTop;
//set cursor position
Console.SetCursorPosition(numberLeft, numberTop);
string tempInput = Console.ReadLine();
this.accNum = Convert.ToInt32(tempInput);
//check user input if greater than 10 digit
//check for 0 because accDB use 0 as placeholders
if (tempInput.Length > 10 || this.accNum == 0)
{
throw new Exception("Invalid account number");
}
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
if (!checkDBacc.checkExist(this.accNum))
{
throw new Exception("Account not found");
}
else if (checkDBacc.checkExist(this.accNum))
{
Console.WriteLine("\t\t Account found, Details are displayed below.");
Console.WriteLine("");
//display account detail
//inside diplayFound would call delete file function
DisplayFound(this.accNum);
}
}
catch (OverflowException ex)
{
ex.ToString();
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t Account number is too long");
this.error = errorHandler.CheckUserInput();
}
catch (Exception e)
{
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t " + e.Message);
this.error = errorHandler.CheckUserInput();
}
} while (this.error);
}
public void DepositScreen()
{
ErrorHandler errorHandler = new ErrorHandler();
CheckDBacc checkDBacc = new CheckDBacc();
//do while loop if user want to re-enter
do
{
try
{
this.error = false;
Console.Clear();
Console.WriteLine("\t ------------------------------------------------------------- ");
Console.WriteLine("\t| Deposit |");
Console.WriteLine("\t =============================================================");
Console.WriteLine("\t| Enter The Details Below |");
Console.WriteLine("\t| |");
Console.Write("\t| Account Number: ");
//record the current cursor position
int accLeft = Console.CursorLeft;
int accTop = Console.CursorTop;
Console.Write(" |\n");
Console.Write("\t| Amount: $");
int amountLeft = Console.CursorLeft;
int amountTop = Console.CursorTop;
Console.Write(" |\n");
Console.WriteLine("\t| |");
Console.WriteLine("\t ------------------------------------------------------------- ");
this.feedbackLeft = Console.CursorLeft;
this.feedbackTop = Console.CursorTop;
//set cursor position
Console.SetCursorPosition(accLeft, accTop);
string tempInput = Console.ReadLine();
this.accNum = Convert.ToInt32(tempInput);
//check if input is within 10 digit
//check for 0 because accDB use 0 as placeholders
if (tempInput.Length > 10 || this.accNum == 0)
{
throw new Exception("Invalid account number");
}
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
if (!checkDBacc.checkExist(this.accNum))
{
throw new Exception("Account number invalid");
}
else if (checkDBacc.checkExist(this.accNum))
{
Console.WriteLine("\t\t Account found! Enter the amount...");
this.feedbackLeft = Console.CursorLeft;
this.feedbackTop = Console.CursorTop;
Console.SetCursorPosition(amountLeft, amountTop);
tempInput = Console.ReadLine();
//Convert the user input to 2 decimal
this.amount = Math.Round(Convert.ToDouble(tempInput), 2);
//change the amount in file
depostToDB(this.accNum, this.amount);
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t Deposit successful");
Console.WriteLine("\t\t Press any key to go to menu..");
}
Console.ReadKey();
}
catch (OverflowException ex)
{
ex.ToString();
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t Account number is too long");
this.error = errorHandler.CheckUserInput();
}
catch (Exception e)
{
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t " + e.Message);
//based on user input, set error to true or false
this.error = errorHandler.CheckUserInput();
}
} while (this.error);
}
public void WithdrawScreen()
{
ErrorHandler errorHandler = new ErrorHandler();
CheckDBacc checkDBacc = new CheckDBacc();
do
{
try
{
this.error = false;
Console.Clear();
Console.WriteLine("\t ------------------------------------------------------------- ");
Console.WriteLine("\t| Withdraw |");
Console.WriteLine("\t =============================================================");
Console.WriteLine("\t| Enter The Details Below |");
Console.WriteLine("\t| |");
Console.Write("\t| Account Number: ");
//record cursor position
int accLeft = Console.CursorLeft;
int accTop = Console.CursorTop;
Console.Write(" |\n");
Console.Write("\t| Amount: $");
int amountLeft = Console.CursorLeft;
int amountTop = Console.CursorTop;
Console.Write(" |\n");
Console.WriteLine("\t| |");
Console.WriteLine("\t ------------------------------------------------------------- ");
this.feedbackLeft = Console.CursorLeft;
this.feedbackTop = Console.CursorTop;
//set cursor position
Console.SetCursorPosition(accLeft, accTop);
string tempInput = Console.ReadLine();
this.accNum = Convert.ToInt32(tempInput);
//check if user input is less than 10 digit
//check for 0 because 0 is used as placeholders in accDB
if (tempInput.Length > 10 || this.accNum == 0)
{
throw new Exception("Invalid account number");
}
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
//check if user account exist in accDB
if (!checkDBacc.checkExist(this.accNum))
{
throw new Exception("Account number invalid");
}
else if (checkDBacc.checkExist(this.accNum))
{
Console.WriteLine("\t\t Account found! Enter the amount...");
this.feedbackLeft = Console.CursorLeft;
this.feedbackTop = Console.CursorTop;
//set cursor back to amount
Console.SetCursorPosition(amountLeft, amountTop);
tempInput = Console.ReadLine();
//round the input to 2 decimal
this.amount = Math.Round(Convert.ToDouble(tempInput), 2);
withDrawFromDB(this.accNum, this.amount);
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t Withdraw successful");
Console.WriteLine("\t\t Press any key to go to menu..");
}
Console.ReadKey();
}
catch (OverflowException ex)
{
ex.ToString();
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t Account number is too long");
this.error = errorHandler.CheckUserInput();
}
catch (Exception e)
{
Console.SetCursorPosition(this.feedbackLeft, this.feedbackTop);
Console.WriteLine("\t\t " + e.Message);
//check userinput if its y or n, and set error accordingl
this.error = errorHandler.CheckUserInput();
}
} while (this.error);
}