/**
* @method Build a potential future outcome given a scenario and based on a past year.
* @param basedOnYearNumber - The outcome will be based on the historical data in the given year.
* @param outcome - This object will be populated with the results of this computation.
* @param scenario - If this is null, the values held in the given year will be populated in the outcome.
* If it is not null, the outcome will take the parameters of the scenario into question.
* @returns None; the outcome variable will have its member values set.
*/
private void DetermineOutcome(string basedOnYearNumber, ProjectedFuture.Outcome outcome, ProjectionScenario scenario)
{
// Copy historical data from this year.
outcome.ExpectedTotalTicketBuyers = _database.GetBuyerCountForYear(basedOnYearNumber);
outcome.TotalAdultTicketsSold = _database.GetTicketCountForYear(basedOnYearNumber);
outcome.TotalAdultTicketsTransferred = _database.GetSoldTicketCountForYear(basedOnYearNumber);
// If we have a null scenario, just plug the values for this outcome that occurred in the given year.
if (scenario == null)
{
return;
}
// Does the scenario include a different ticket cap?
if (scenario.TicketCap.HasValue)
{
// Project into the future.
outcome.ExpectedTotalTicketBuyers = _database.GetBuyerCountForYear(basedOnYearNumber);
outcome.TotalAdultTicketsSold = 0;
outcome.TotalAdultTicketsTransferred = 0;
// Determine the future behavior of affluent buyers
HashSet <string> affluentUserNames = _database.GetAffluentBuyerNames();
Data.Year year = _database.GetYear(basedOnYearNumber);
// Iterate over the buyers in this year.
foreach (string buyerName in year.BuyerNames)
{
// Is this an affluent buyer?
bool isAffluent = affluentUserNames.Contains(buyerName);
// If this is an affluent buyer, assume that they will buy the max tickets and sell all but 1.
if (isAffluent)
{
outcome.TotalAdultTicketsSold += scenario.TicketCap.Value;
outcome.TotalAdultTicketsTransferred += scenario.TicketCap.Value - 1;
}
else
{
// Otherwise, just repeat this buyer's behavior.
Data.Buyer buyer = year.GetBuyer(buyerName);
outcome.TotalAdultTicketsSold += buyer.AdultTicketCount;
outcome.TotalAdultTicketsTransferred += buyer.SoldAdultTicketCount;
}
}
}
}
