public void MakeDeposit(double amount, DateTime date, string note) { if (amount <= 0) { throw new ArgumentOutOfRangeException(nameof(amount), "Amount of deposit must be positive"); } var deposit = new BankTransaction(amount, date, note); allTransactions.Add(deposit); }
public void MakeWithdrawal(double amount, DateTime date, string note) { if (amount <= 0) { throw new ArgumentOutOfRangeException(nameof(amount), "Amount of withdrawal must be positive"); } if (Balance - amount < 0) { throw new InvalidOperationException("Not sufficient funds for this withdrawal"); } var withdrawal = new BankTransaction(-amount, date, note); allTransactions.Add(withdrawal); }
//methods public void AddInterests(double interestRate, DateTime date, string note) { if (interestRate > 0 && interestRate <= 22) { balance += balance * interestRate; var item = new BankTransaction(balance, date, note); allTransactions.Add(item); } else { throw new ArgumentOutOfRangeException(nameof(interestRate), "The interestRate is out of range"); } }