/// <summary>
/// MakeDeposit function is independent of any user input information from Account class constructor used for opening an bank account.
/// It allows user login to their account page with password/username to make deposit. After deposit is made,
/// updated user account information will be re-write into the same txt file (with the file name of "account_number.txt").
/// </summary>
public void MakeDeposit()
{
accInfo = File.ReadAllLines($"{accNum}.txt"); //after user login and the relevent user account number was validated, open the relevent account txt file and store all account information into an string array
Console.WriteLine($"{accInfo[4]}, enter your deposit amount : "); //rais a prompt to ask usr enter an ammount for deposit
Deposit = int.Parse(Console.ReadLine()); //store the user input deposit ammount in to Deposit property
ValueEvent = new DepositWithDrawEvent(loadEvent.ChangeCurrentBal); //refer ChangeCurrentBal functioin in MyEvent class to ValueEvent
ValueEvent?.Invoke(accInfo[4], "deposit", deposit); //invoke ValueEvent to output a deposit prompt
CurrentBalance = int.Parse(accInfo[16]) + deposit; //change user current balance by summing the original current balance to user input deposit
if (deposit != 0) //if user input deposit is not 0, refer the OutputAccBal function from MyEvent class to OutputEvent, and invoke the event
{
OutputEvent = new OutPutCurrentBal(loadEvent.OutputAccBal);
OutputEvent?.Invoke(accInfo[4], currentBalance);
}
Deposit = int.Parse(accInfo[12]) + deposit; //get user total deposit ammount by summing all deposit value
accInfo[0] = currDTFormat[15]; //re-assign datetime to account info array
accInfo[12] = deposit.ToString(); //re-assign total deposit value
accInfo[16] = currentBalance.ToString(); //re-assign current balance
File.WriteAllLines($"{accNum}.txt", accInfo); //re-write all account info from arry to the account txt file
}
/// <summary>
/// MakeWithdraw function is independent of any user input information from Account class constructor used for opening an bank account.
/// It allows user login to their account page with password/username to make withdraw. After withdraw is made,
/// updated user account information will be re-write into the same txt file (with the file name of "account_number.txt").
/// </summary>
public void MakeWithdraw()
{
accInfo = File.ReadAllLines($"{accNum}.txt"); //after user login and the user account number was validated, store all account information into an string array
CurrentBalance = int.Parse(accInfo[16]); //assign current balance value from array before user input the withdraw ammount
Console.WriteLine($"{accInfo[4]}, enter your withdraw amount : ");
Withdraw = int.Parse(Console.ReadLine()); //get user input withdraw
ValueEvent = new DepositWithDrawEvent(loadEvent.ChangeCurrentBal);
ValueEvent?.Invoke(accInfo[4], "withdraw", withdraw); //rais enent
CurrentBalance = int.Parse(accInfo[16]) - withdraw; //change user current balance
if (withdraw != 0) //if withdraw is not 0, rais event
{
OutputEvent = new OutPutCurrentBal(loadEvent.OutputAccBal);
OutputEvent?.Invoke(accInfo[4], currentBalance);
}
Withdraw = int.Parse(accInfo[14]) + withdraw; //get the total withdraw
accInfo[0] = currDTFormat[15]; //update the array
accInfo[14] = withdraw.ToString();
accInfo[16] = currentBalance.ToString();
File.WriteAllLines($"{accNum}.txt", accInfo); //re-write account info to its relevent txt file
}