public ChangesStatus transferMoney(
int account_id_from, int account_id_to, int customer_id_by, int amount)
throws BelowMinimumBalanceException {
Connection connection = DBConnectionHelper.getConnection();
try {
Account account_1 = new Account();
account_1 = accountDAO.getObject(connection, account_id_from);
double newAmount_1 = account_1.getAmount() - amount;
if (newAmount_1 < BusinessRules.SAVING_ACCOUNT_MIN_BALANCE_AMOUNT) {
throw new BelowMinimumBalanceException("Below Minimum balance exceed");
}
account_1.setAmount(newAmount_1);
accountDAO.save(connection, account_1);
Account account_2 = new Account();
account_2 = accountDAO.getObject(connection, account_id_to);
double newAmount_2 = account_2.getAmount() + amount;
account_2.setAmount(newAmount_2);
accountDAO.save(connection, account_2);
Transaction transaction = new Transaction();
transaction.setCustomer_id_by(customer_id_by);
transaction.setAccount_id(account_id_from);
transaction.setAccount_id_to(account_id_to);
transaction.setTransaction_amount(amount);
transaction.setTransaction_type(3);
Date date = new Date();
transaction.setTransaction_time(new Timestamp(date.getTime()));
transactionDAO.create(connection, transaction);
// If exception found roll back in catch block
connection.commit();
return new ChangesStatus(true, "Successfully Transfered " + amount);
} catch (NotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
try {
e.printStackTrace();
connection.rollback();
return new ChangesStatus(false, "Rolledbacked. Transaction Unsuccessful.");
} catch (SQLException e1) {
e1.printStackTrace();
return new ChangesStatus(false, "Unsuccessful Rolledback.");
}
} finally {
try {
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
return null;
}
public ChangesStatus withdrawMoney(int account_id, int customer_id_by, int amount, int pin)
throws BelowMinimumBalanceException {
Connection connection = DBConnectionHelper.getConnection();
try {
Account account = accountDAO.getObject(connection, account_id);
// Checking Security Pin
if (!(account.getPin() == pin)) {
return new ChangesStatus(false, "Security Pin do not match! Transaction Canceled.");
}
// Checking Permission
if (!(PermissionHelper.isThisAccountOwnByThisCustomer(account_id, customer_id_by))) {
return new ChangesStatus(false, "You do not own this account. Transaction Canceled.");
}
double newAmount = account.getAmount() - amount;
if (newAmount < BusinessRules.SAVING_ACCOUNT_MIN_BALANCE_AMOUNT) {
throw new BelowMinimumBalanceException("Below Minimum Balance to be left");
}
account.setAmount(newAmount);
accountDAO.save(connection, account);
Transaction transaction = new Transaction();
transaction.setCustomer_id_by(customer_id_by);
transaction.setAccount_id(account_id);
transaction.setTransaction_amount(amount);
transaction.setTransaction_type(2);
Date date = new Date();
transaction.setTransaction_time(new Timestamp(date.getTime()));
transactionDAO.create(connection, transaction);
// If exception found roll back in catch block
connection.commit();
return new ChangesStatus(true, "Successfully Withdrawed" + amount);
} catch (NotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
try {
connection.rollback();
e.printStackTrace();
return new ChangesStatus(false, "Transaction Rolledbacked. Unsuccessful.");
} catch (SQLException e1) {
e1.printStackTrace();
return new ChangesStatus(false, "Unsuccessful Rolledback.");
}
} finally {
try {
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
return null;
}