public IReportBuilder EnrichReport(IEnumerable <Player> players, IReportBuilder partialReport)
{
if (players == null)
{
throw new ArgumentNullException(nameof(players));
}
if (partialReport == null)
{
throw new ArgumentNullException(nameof(partialReport));
}
var bestPlayers = players.OrderByDescending(p => p.PointsPerGame).Take(3).ToList();
return(partialReport
.WithAchievement(Medal.Gold, bestPlayers[0])
.WithAchievement(Medal.Silver, bestPlayers[1])
.WithAchievement(Medal.Bronze, bestPlayers[2]));
}