public void DrawWinner()
{
// Create a random instance with timebased seed
Random rnd = new Random((int)DateTime.Now.Ticks);
// Create a copy of the current entry list to work with
// This also prevents people to enter when rolling is happening
List <string> workList = new List <string>(entries);
// Manupilate workList to add subscriber luck
/*
* // Not really needed as the forloop will limit this but to increase performance
* // it won't load subscriber list if subluck is set to 1 (off)
* if (SubscriberLuck > 1)
* {
* List<string> subList = new List<string>();
*
* // TODO: Fetch complete subscriber list from Twitch API and add to subList
*
* // Create another list with Intersect restult as it is going to enumerate
* // over this while editing workList to prevent modified execeptions.
* List<string> crossCheck = new List<string>(workList.Intersect(subList));
* foreach (string subEntry in crossCheck)
* {
* for (int i = 1; i < subscriberLuck; i++)
* {
* workList.Insert(rnd.Next(0, workList.Count), subEntry);
* }
* }
* }
*/
// Roll initial winner and get the Viewer object
// No need to verify if user exist as it SHOULD exist
int index = rnd.Next(0, workList.Count);
Viewer rolledViewer = MainWindow.colDatabase.FirstOrDefault(x =>
x.UserName == workList[index]);
// Verify if the winner is eligable, if not remove from
// the workList and reroll a winner without user interaction
while (!MeetsRequirements(rolledViewer) || rolledViewer == null)
{
try
{
// Remove failed winner from workList
workList.RemoveAll(x => x == rolledViewer.UserName);
// Reroll winner
index = rnd.Next(0, workList.Count);
rolledViewer = MainWindow.colDatabase.FirstOrDefault(x =>
x.UserName == workList[index]);
}
catch (Exception)
{
}
}
// We finally have a winner!
winners.Add(rolledViewer.UserName);
winner = rolledViewer;
WinnerChosenEventArgs args = new WinnerChosenEventArgs(rolledViewer, this);
OnWinnerChosen(args);
}
protected void OnWinnerChosen(WinnerChosenEventArgs e)
{
WinnerChosen(this, e);
}
public void DefaultGiveawayWinnerChosen(object sender, WinnerChosenEventArgs e)
{
BotCommands.SendAndShowMessage(string.Format("{0} has won the {1} giveaway!", e.Winner.UserName, e.Giveaway.GiveawayName));
btnDrawWinner.IsEnabled = true;
WindowViewerChat vc = new WindowViewerChat(this, e.Winner);
}
