private static BalanceClass _instance = null; //Singleton pattern
public static BalanceClass Instance() //Lazy Load initiation
{
if (_instance == null)
{
_instance = new BalanceClass();
}
return(_instance);
}
public int GetMonthCountUntilGoalIsReached() //Aplicable only for one goal
{
try
{
int monthCount;
List <TraceableBalance> balances = (List <TraceableBalance>)BalanceClass.Instance().GetMonthlyBalances();
decimal averageBalance = 0;
decimal currentSum = 0;
foreach (var balance in balances) //LINQ greiciau
{
currentSum += balance.amount;
}
averageBalance = currentSum / balances.Count;
Goal goal = ParseGoal();
monthCount = (int)Math.Round((goal.amount - currentSum) / averageBalance);
return(monthCount);
}
catch (Exception e)
{
Logger.Instance().Log(e.ToString());
return(-1);
}
}