internal AccountResponse PayIn(decimal amount)
{
var response = new AccountResponse();
var paidIn = PaidIn + amount;
if (paidIn > PayInLimit)
{
throw new InvalidOperationException("Account pay in limit reached");
}
if (PayInLimit - paidIn < 500m)
{
response.IsApproachingPayInLimit = true;
}
Balance = Balance + amount;
PaidIn = PaidIn + amount;
return(response);
}
internal AccountResponse Withdraw(decimal amount)
{
var response = new AccountResponse();
decimal balanceAfterWithdrawal = Balance - amount;
if (balanceAfterWithdrawal < 0m)
{
throw new InvalidOperationException("Insufficient funds to withdraw funds");
}
if (balanceAfterWithdrawal < 500m)
{
response.AreFundsLow = true;
}
Balance = Balance - amount;
Withdrawn = Withdrawn - amount;
return(response);
}
