public bool MakePayment(string paymentName, decimal amount, Account backupAccount = null)
{
if (Balance >= amount)
{
_transactions.Add($"Withdraw { string.Format("{0:c2}", amount) } for { paymentName }");
Balance -= amount;
TransactionApproveEvent?.Invoke(this, paymentName);
return(true);
}
else
{
if (backupAccount != null)
{
if ((backupAccount.Balance + Balance) >= amount)
{
decimal amountNeeded = amount - Balance;
OverDraftEventArgs args = new OverDraftEventArgs(amountNeeded, paymentName);
OverDraftEvent?.Invoke(this, args);
if (args.CancelTransaction)
{
return(false);
}
bool overdraftSucceeded = backupAccount.MakePayment("Overdraft Protection", amountNeeded);
if (overdraftSucceeded == false)
{
return(false);
}
AddDeposit("Overdraft Protection Deposit", amountNeeded);
_transactions.Add($"Withdraw { string.Format("{0:c2}", amount) } for { paymentName }");
Balance -= amount;
TransactionApproveEvent?.Invoke(this, paymentName);
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
}
public bool MakePayment(string paymentName, decimal amount, Account backupAccount = null)
{
// Ensures we have enough money
if (Balance >= amount)
{
_transactions.Add($"Withdrew { string.Format("{0:C2}", amount) } for { paymentName }");
Balance -= amount;
//This triggers the event: something has happened
TransactionApprovedEvent?.Invoke(this, paymentName);
return(true);
}
else
{
// We don't have enough money so we check to see if we have a backup account
if (backupAccount != null)
{
// Checks to see if we have enough money in the backup account
if ((backupAccount.Balance + Balance) >= amount)
{
// We have enough backup funds so transfar the amount to this account
// and then complete the transaction.
// The amount needs to be on the backup ("Savings") account to cover the payment.
decimal amountNeeded = amount - Balance;
OverdraftEventArgs args = new OverdraftEventArgs(amountNeeded, "Extra info");
OverDraftEvent?.Invoke(this, args);
if (args.CancelTransaction == true)
{
//transction can't be done
return(false);
}
bool overdraftSucceeded = backupAccount.MakePayment("Overdraft Protection", amountNeeded);
// This should always be true but we will check anyway
if (overdraftSucceeded == false)
{
// The overdraft failed so this transaction failed.
return(false);
}
AddDeposit("Overdraft Protection Deposit", amountNeeded);
_transactions.Add($"Withdrew { string.Format("{0:C2}", amount) } for { paymentName }");
Balance -= amount;
//This triggers the event: something has happened
TransactionApprovedEvent?.Invoke(this, paymentName);
return(true);
}
else
{
// Not enough backup funds to do anything
return(false);
}
}
else
{
// No backup so we fail and do nothing
return(false);
}
}
}