public void WithdrawFrom(string accountNumber, decimal amount, string currency)
{
if (amount < 0)
{
throw new InvalidWithDrawalException("Amount cannot be less than 0");
}
var bankAccount = _bankAccountStore.GetByAccountNumber(accountNumber);
if (bankAccount == null)
{
throw new AccountNotFoundException(accountNumber);
}
if (!_accountAuthorisation.RequestForWithdrawal(bankAccount))
{
throw new AuthorisationFailedException();
}
if ((bankAccount.Balance - amount) < 0)
{
throw new InsufficientBalanceException();
}
bankAccount.Withdraw(amount, currency);
}
public void Transfer(decimal amount, string currency, string sourceAccountNumber, string destinationAccountNumber)
{
if (amount < 0)
{
throw new InvalidTransferException("Amount cannot be less than 0");
}
var sourceAccount = _bankAccountStore.GetByAccountNumber(sourceAccountNumber);
if (sourceAccount == null)
{
throw new AccountNotFoundException(sourceAccountNumber);
}
var destinationAccount = _bankAccountStore.GetByAccountNumber(destinationAccountNumber);
if (destinationAccount == null)
{
throw new AccountNotFoundException(destinationAccountNumber);
}
if (!_accountAuthorisation.RequestForWithdrawal(sourceAccount))
{
throw new AuthorisationFailedException();
}
if ((sourceAccount.Balance - amount) < 0)
{
throw new InsufficientBalanceException();
}
sourceAccount.Withdraw(amount, currency);
destinationAccount.Deposit(amount, currency);
}
