/* GetBalance() * Determines net balance of the user's account. * * Modifies: amount with the value of the user's balance * Returns: true if retrieved, false if not retrieved */ public static bool GetBalance(string user, string pass, ref decimal amount) { DBAct.UserRecords userData = null; if (!AuthUserAndFetchData(user, pass, ref userData)) { return(false); } amount = userData.GetBalance(); return(true); }
/* AddTransaction() * Attempts to add a new transaction to the account. Withdrawals are passed as * negative amounts. Will fail if insufficient funds are detected. * * Returns: true if added, false if not added */ public static bool AddTransaction(string user, string pass, decimal amount) { string cacheName = GetCacheName(user); DBAct.UserRecords userData = null; if (!AuthUserAndFetchData(user, pass, ref userData)) { return(false); } if (userData.GetBalance() + amount < 0) { return(false); } DateTime date = DateTime.Now; Transaction newTransaction = CreateNewTransaction(date, amount); userData.AddTransaction(newTransaction); Cache.Update(cacheName, userData); return(true); }