public int CheckCompleteTransaction(string sessionId, Transaction transaction, TransactionType type)
{
User user = GetUserInformation(sessionId);
if (user == null)
{
return(transaction.quantity);
}
if (user == null ||
(user.availableDiginotes < transaction.quantity && type == TransactionType.SELL) ||
(user.balance < transaction.quantity * GetDiginoteValue() && type == TransactionType.BUY))
{
return(-1);
}
List <Transaction> transactions = _db.GetUnfufilledTransactions(transaction.quantity, type);
foreach (Transaction t in transactions)
{
if (t.seller == null)
{
t.seller = user.username;
}
else if (t.buyer == null)
{
t.buyer = user.username;
}
bool success = _db.CompleteTransaction(t, transaction.quantity, type);
if (success)
{
Console.WriteLine("Success completing transaction");
_db.IncrementQuantity();
transaction.quantity -= t.quantity;
if (transaction.quantity <= 0)
{
return(0);
}
}
}
return(transaction.quantity);
}
