/*
* Reads data lines from a text file, split at ',' into
* an array line[]. Then sets them as
* either a Customer or VIPCustomer object, based on
* length of line array. Then adds them to
* an array of Customer objects. Both types of objects can be held,
* as VIPCustomer is a subclass of Customer.
*/
static void ReadingInputFile(Customer[] custData)
{
try
{
TextReader tr = new StreamReader("C:/BIT694_TM1_3431274/input_assignment_1.txt");
//reads data from file in location in StreamReaders signature.
for (int i = 0; i < custData.Length; i++) //iterates custData length number of times.
{
String currentLine; //declares a String variable
String[] line; //declares a string array
int tranCount = 0; //declares and sets an int variable
currentLine = tr.ReadLine(); //sets a String variable to a line of text from StreamReaders file.
line = currentLine.Split(','); //Splits a string, and adds each variable as a separate array item.
if (line.Length > 5) //fires if line array contains the sixth field, VIP.
{
line[5] = "VIP Customer"; //changes VIP to VIP Customer
VIPCustomer t = new VIPCustomer(line[0], line[1], line[2], line[3], double.Parse(line[4]), line[5], tranCount);
//Sets a new VIPCustomer object to values from line array, and variable tranCount.
custData[i] = t; //Adds the VIPCustomer object to the custData array.
}
if (line.Length < 6) //fires if array does not contain the sixth field.
{
Customer s = new Customer(line[0], line[1], line[2], line[3], double.Parse(line[4]), tranCount);
//sets a new customer object to values from line array, and variable tranCount.
custData[i] = s;//Adds the Customer object to the custData array.
}
}
tr.Close(); //closes the TextReader.
}
catch (FileNotFoundException exA) //StreamReader error
{
Console.WriteLine("" + exA);
}
catch (FormatException exB)//Parse error
{
Console.WriteLine(exB);
}
catch (ArgumentNullException exC)//ReadLine and StreamReader error
{
Console.WriteLine(exC);
}
catch (ArgumentOutOfRangeException exD)//ReadLine and StreamReader error
{
Console.WriteLine(exD);
}
catch (IOException exE)//ReadLine and StreamReader error
{
Console.WriteLine(exE);
}
}
/*
* Helper method that handles class specific withdrawal
* method. Charges no fee, and allows accounts to become
* overdrawn.
* Takes in and uses that values for the custData[i]
* object that was used to call it.
* Returns a Customer object to Customer Class's Withdraw() method.
* Protected as it is an overridden method, that is only used within class
* and subclass.
* See virtual method in Customer for most comments and logic.
*/
protected override Customer WithdrawHelper()
{
bool successfull = false;
VIPCustomer s = new VIPCustomer(this.firstName, this.lastName, this.dob, this.accNum, this.balance, this.custType, this.tranCount);
try
{
Console.WriteLine("Withdrawing from the account of " + firstName + " " + lastName + ". Current balance is: " + balance.ToString("C"));
Console.WriteLine("Enter amount to withdraw: ");
double amount = double.Parse(Console.ReadLine());
if (amount < 0)//error handling for negative amounts.
{
Console.WriteLine("Please enter a non-negative amount. Press any key to continue");
Console.ReadKey();
s.WithdrawHelper();
}
else//allows the program to continue with positive amounts.
{
double totalAmount = amount;
double aBalance = balance - amount;
int aTranCount = tranCount + 1;
Console.WriteLine("Successfully withdrew " + amount.ToString("C") + ". Current balance: " + aBalance.ToString("C"));
VIPCustomer t = new VIPCustomer(this.firstName, this.lastName, this.dob, this.accNum, aBalance, this.custType, aTranCount);
s = t;
successfull = true;
if (successfull == false)//handles unexpected processing errors.
{
Console.WriteLine("Sorry, due to a bank error, the transaction did not work");
return(s);
}
}
}
catch (ArgumentOutOfRangeException)//ReadLine error
{
Console.WriteLine("Please enter a valid amount. Press any key to continue");
Console.ReadKey();
s.WithdrawHelper(); //Catching operator error, allows program recovery.
}
catch (FormatException) //Parse error
{
Console.WriteLine("Please enter a valid amount. Press any key to continue");
Console.ReadKey();
s.WithdrawHelper();//Catching operator error, allows program recovery.
}
return(s);
}
/*
* Helper method that handles class specific deposit
* method. Charges no fees.
* Takes in and uses that values for the custData[i]
* object that was used to call it.
* Returns a Customer object to Customer Class's Deposit() method.
* Protected as it is an overridden method, that is only used within class
* and subclass.
* See virtual method in Customer for comments and logic.
*/
protected override Customer DepositHelper()
{
VIPCustomer s = new VIPCustomer(this.firstName, this.lastName, this.dob, this.accNum, this.balance, this.custType, this.tranCount);
try
{
Console.WriteLine("Depositing into the account of " + firstName + " " + lastName + ". Current balance is: " + balance.ToString("C"));
Console.WriteLine("Enter amount to deposit: ");
double amount = double.Parse(Console.ReadLine());
if (amount < 0)//error handling, does not allow negative amounts to be deposited.
{
Console.WriteLine("Please enter a non negative amount. Press any key to continue");
Console.ReadKey();
s.DepositHelper();
}
else//allows the program to continue if number is non-negative, and after amount has been corrected.
{
double aBalance = balance + amount;
int aTranCount = tranCount + 1;
Console.WriteLine("Success fully deposited " + amount.ToString("C") + ". Current balance: " + aBalance.ToString("C"));
VIPCustomer t = new VIPCustomer(this.firstName, this.lastName, this.dob, this.accNum, aBalance, this.custType, aTranCount);
s = t;
}
}
catch (ArgumentOutOfRangeException)//ReadLine error
{
Console.WriteLine("Please enter a valid amount. Press any key to continue");
Console.ReadKey();
s.DepositHelper(); //Catching operator error, allows program recovery.
}
catch (FormatException) //Parse error
{
Console.WriteLine("Please enter a valid amount. Press any key to continue");
Console.ReadKey();
s.DepositHelper();//Catching operator error, allows program recovery.
}
return(s);
}
