@Override
public User logIn(long accountNumber, short pin) {
// TODO Auto-generated method stub
// create a session user and list the list of users
User currentUser = new User();
UserDatabase udb = new UserDatabase();
List<User> listOfUsers = udb.getUsers();
boolean looping = true;
// if the attempted user is in the list, check his account number which
// is unique and pin
for (User user : listOfUsers) {
// if both match, we set the session user and return it
if (user.getAccountNumber() == accountNumber) {
if (user.getPin() == pin) {
currentUser = user;
System.out.println("Logged in successfully.");
looping = false;
break;
} else {
System.out.println("Didn't log in, bad pin.");
}
} else {
System.out.println("Didn't log in, bad user account.");
}
}
while (looping) ;
return currentUser;
}
/**
* Method that displays admin's or user's menu
*
* @param user - check user's role to see whether admin's or user's menus are displayed
*/
public void callAppropriateMenu(User user) {
Scanner in = null;
try {
in = new Scanner(System.in);
// get the list of users
UserDatabase udb = new UserDatabase();
List<User> listOfUsers = udb.getUsers();
// if role == 1 (admin)
if (user.getRole() == 1) {
boolean isFinished = false;
// keep the menu open untill we are finished
while (!isFinished) {
System.out.println(
"Hello admin.\nPress 1 to check the state of bills in ATM.\nPress 2 to list all users.\nPress 3 to edit a user.\nPress 4 to add a user.\nPress 5 to add bills.\nPress 6 to leave");
String choice = in.nextLine();
// display the state of bills
if (choice.equals("1")) {
System.out.println(new Atm().toString());
// display all users
} else if (choice.equals("2")) {
for (User u : listOfUsers) {
System.out.println(u.toString());
}
// attempt to edit a user - this method is buggy thanks
// to the stupid scanner class
} else if (choice.equals("3")) {
System.out.println("Enter the account id of the user you want to edit: ");
// display all users
for (User u : listOfUsers) {
System.out.println(u.toString());
}
// select a user's unique id (account number)
String id = in.nextLine();
// selected user becomes active for editing, calling
// method editUser()
AdminPrivileges.editUser(Long.valueOf(id));
// create and add user
} else if (choice.equals("4")) {
// create new user calling the admins method
User newUser = AdminPrivileges.createUser();
// if we successfully filled user's fields, proceed to
// add him to database calling the addUserToDb
if (newUser != null) {
AdminPrivileges.addUserToDb(newUser);
} else {
System.out.println("Something went wrong.");
}
// add bills to atm machine if needed
} else if (choice.equals("5")) {
System.out.println("Press 1 to add 10s, 2 to add 20s, 3 to add 50s, 4 to add 100s: ");
String billChoice = in.nextLine();
// add 10s
if (billChoice.equals("1")) {
System.out.println("How many bills do you want to add?");
String num = in.nextLine();
AdminPrivileges.addTens(Integer.valueOf(num));
// add 20s
} else if (billChoice.equals("2")) {
System.out.println("How many bills do you want to add?");
String num = in.nextLine();
AdminPrivileges.addTwenties(Integer.valueOf(num));
// add 50s
} else if (billChoice.equals("3")) {
System.out.println("How many bills do you want to add?");
String num = in.nextLine();
AdminPrivileges.addFifties(Integer.valueOf(num));
// add 100s
} else if (billChoice.equals("4")) {
System.out.println("How many bills do you want to add?");
String num = in.nextLine();
AdminPrivileges.addHundreds(Integer.valueOf(num));
}
// shut down the loop = program
} else if (choice.equals("6")) {
isFinished = true;
}
}
// if the user has role 0 (regular user)
} else if (user.getRole() == 0) {
// display user's balance
System.out.println(
"Hello "
+ user.getFirstName()
+ ".\nYour account state is: "
+ user.getAccountBalance());
System.out.println("Would you like to withdraw 10, 20, 50, 100?");
// user has to enter 10 20 50 or 100
String amount = in.nextLine();
if (amount.equals("10")) {
// if atm can pay him in 10s, proceed
if (Atm.getNumOfTens() > 0) {
// deduct funds from user's account
BasicPrivileges.withdrawAmount(user, 10);
// deduct bills from the atm
Atm.setNumOfTens(Atm.getNumOfTens() - 1);
} else {
System.out.println(
"This atm machine doesn't have those bills anymore, please find another machine.");
}
} else if (amount.equals("20")) {
// if user can pay him in 20s, proceed
if (Atm.getNumOfTwenties() > 0) {
// deduct funds from user's account
BasicPrivileges.withdrawAmount(user, 20);
// deduct bills from the atm
Atm.setNumOfTwenties(Atm.getNumOfTwenties() - 1);
// if atm didn't have twenties, attempt to pay in 10
// bills
} else if (Atm.getNumOfTens() > 1) {
BasicPrivileges.withdrawAmount(user, 20);
// this time deduct two bills from the atm instead of
// 1....
Atm.setNumOfTens(Atm.getNumOfTens() - 2);
} else {
System.out.println("This machine cannot pay you, please find another machine.");
}
// attempt to pay in 50s
} else if (amount.equals("50")) {
// if there are 50s, deduct
if (Atm.getNumOfFifties() > 0) {
BasicPrivileges.withdrawAmount(user, 50);
Atm.setNumOfFifties(Atm.getNumOfFifties() - 1);
// if there are no 50s, attempt to pay in 20+20+10
} else if (Atm.getNumOfTens() > 0 && Atm.getNumOfTwenties() > 1) {
BasicPrivileges.withdrawAmount(user, 50);
// update bills count
Atm.setNumOfTens(Atm.getNumOfTens() - 1);
Atm.setNumOfTwenties(Atm.getNumOfTwenties() - 2);
} else {
System.out.println("This machine cannot pay you, please find a different machine.");
}
} else if (amount.equals("100")) {
// attempt to pay in 100 bill
if (Atm.getNumOfHundreds() > 0) {
// deduct funds and bill
BasicPrivileges.withdrawAmount(user, 100);
Atm.setNumOfHundreds(Atm.getNumOfHundreds() - 1);
// if there are no 100 bills, attempt with 2x50
} else if (Atm.getNumOfFifties() > 1) {
BasicPrivileges.withdrawAmount(user, 100);
Atm.setNumOfFifties(Atm.getNumOfFifties() - 2);
// if there are no 50 bills, attempt with 5x20
} else if (Atm.getNumOfTwenties() > 4) {
BasicPrivileges.withdrawAmount(user, 100);
Atm.setNumOfTwenties(Atm.getNumOfTwenties() - 5);
// if there are no 20, attempt with 10x10
} else if (Atm.getNumOfTens() > 9) {
BasicPrivileges.withdrawAmount(user, 100);
Atm.setNumOfTens(Atm.getNumOfTens() - 10);
// i understand that there are different combinations
// but at this hour i'm dead and can't develop the
// algorithm....
} else {
System.out.println("This machine cannot pay you, please find another machine.");
}
} else {
System.out.println("You have to enter 10, 20, 50 or 100.....");
}
System.out.println("Your balance is " + user.getAccountBalance());
}
} catch (Exception e) {
e.printStackTrace();
} finally {
in.close();
}
}
