/// <summary>
/// Computes ranking points (and editions played count) for every players at a specified date.
/// </summary>
/// <param name="startDate">Ranking date.</param>
/// <param name="cachePlayerEditionPoints">Cache of player / edition / point.</param>
/// <returns>Points and editions played count, by player.</returns>
internal Dictionary <PlayerPivot, Tuple <uint, uint> > ComputePointsForPlayersInvolvedAtDate(DateTime startDate,
Dictionary <KeyValuePair <PlayerPivot, EditionPivot>, uint> cachePlayerEditionPoints)
{
// Collection of players to insert for the current week.
// Key is the player, Value is number of points and editions played count.
var playersRankedThisWeek = new Dictionary <PlayerPivot, Tuple <uint, uint> >();
// Editions in one year rolling to the current date.
var editionsRollingYear = EditionPivot.EditionsForRankingAtDate(this, startDate,
out List <PlayerPivot> playersInvolved).ToList();
// Computes infos for each player involved at the current date.
foreach (var player in playersInvolved)
{
var pointsAndCount = ComputePointsAndCountForPlayer(player, editionsRollingYear, cachePlayerEditionPoints);
playersRankedThisWeek.Add(player, pointsAndCount);
}
// Sorts each player by descending points.
// Then by editions played count (the fewer the better).
playersRankedThisWeek =
playersRankedThisWeek
.OrderByDescending(me => me.Value.Item1)
.ThenBy(me => me.Value.Item2)
.ToDictionary(me => me.Key, me => me.Value);
return(playersRankedThisWeek);
}
/// <summary>
/// Debugs ranking calculation for a specified player at specified date.
/// </summary>
/// <param name="player"><see cref="PlayerPivot"/></param>
/// <param name="dateEnd">Ranking date to debug.</param>
/// <returns>Points count and editions played count.</returns>
internal Tuple <uint, uint> DebugRankingForPlayer(PlayerPivot player, DateTime dateEnd)
{
return(ComputePointsAndCountForPlayer(player,
EditionPivot.EditionsForRankingAtDate(this, dateEnd, out List <PlayerPivot> playersInvolved).ToList(),
new Dictionary <KeyValuePair <PlayerPivot, EditionPivot>, uint>()));
}
