private void AddFunds(BankAccount account,decimal value)
{
if (value <= 0)
throw new ArgumentException("The amount must be bigger than 0");
account.Balance += value;
}
private void RemoveFunds(BankAccount account,decimal value)
{
if (value <= 0)
throw new ArgumentException("The amount must be bigger than 0");
if (value > account.Balance)
throw new Exception("Insuficient funds!");
account.Balance -= value;
}
public void DepositFunds(BankAccount account,decimal value)
{
AddFunds(account,value);
}
public void WithdrawFunds(BankAccount account,decimal value)
{
RemoveFunds(account, value);
}
public void TransferFunds(BankAccount fromAccount,BankAccount toAccount,decimal value)
{
RemoveFunds(fromAccount, value);
AddFunds(toAccount, value);
}
public void DeductServiceFee(BankAccount account)
{
account.DeductServiceFees();
}
