/// <summary>
/// Remove a specified Game from a Match.
/// Applies necessary affects to other, related Matches.
/// Updates scores and Rankings accordingly.
/// _updateInstead determines whether to notify the DB to delete the game.
/// May fire events: MatchesModified, GamesDeleted.
/// If Match or Game is not found, an exception is thrown.
/// </summary>
/// <param name="_matchNumber">Match to alter</param>
/// <param name="_gameNumber">Game to remove</param>
/// <param name="_updateInstead">false if removing the game, true if updating</param>
/// <returns>Model of removed Game</returns>
public GameModel RemoveGameNumber(int _matchNumber, int _gameNumber, bool _updateInstead = false)
{
Match match = GetInternalMatch(_matchNumber);
MatchModel oldMatchModel = GetMatchModel(match);
PlayerSlot winnerSlot = match.WinnerSlot;
List <GameModel> modelList = new List <GameModel>();
// Remove the Game and update the Bracket & Rankings:
modelList.Add(match.RemoveGameNumber(_gameNumber));
List <MatchModel> alteredMatches = ApplyGameRemovalEffects(_matchNumber, modelList, winnerSlot);
UpdateScore(_matchNumber, modelList, false, oldMatchModel);
// Fire Event with any Matches that changed:
alteredMatches.Add(GetMatchModel(match));
BracketEventArgs args = null;
if (_updateInstead)
{
args = new BracketEventArgs(alteredMatches);
}
else
{
args = new BracketEventArgs
(alteredMatches, modelList.Select(g => g.GameID).ToList());
}
OnMatchesModified(args);
// Return a Model of the removed Game:
return(modelList[0]);
}
protected void OnGamesDeleted(BracketEventArgs _e)
{
GamesDeleted?.Invoke(this, _e);
}
protected void OnRoundDeleted(BracketEventArgs _e)
{
RoundDeleted?.Invoke(this, _e);
}
protected void OnMatchesModified(BracketEventArgs _e)
{
MatchesModified?.Invoke(this, _e);
}
/*
* The following protected methods are helpers.
* They are included to simplify the firing of Bracket events.
* Each helper will translate the given parameter(s) to a relevant BracketEventArgs.
* If the passed list is empty, no event will be fired.
* If the relevant event's subscriber-list is empty/null, no event will be fired.
*/
protected virtual void OnRoundAdded(BracketEventArgs _e)
{
RoundAdded?.Invoke(this, _e);
}
