//====== private static methods
private static IHiScores GetFakeHiScores()
{
var result = new HiScores();
result.TryAdd(new HiScoresEntry("Janusz", 10));
result.TryAdd(new HiScoresEntry("Stefan", 20));
result.TryAdd(new HiScoresEntry("Barbara", 30));
result.TryAdd(new HiScoresEntry("Dawid", 40));
return(result);
}
//====== IHiScoresUpdater
public int?RegisterNewResult(string playerName, int score)
{
if (score < 1)
{
return(null);
}
var copy = new HiScores(GetHiScores());
int?placement = copy.TryAdd(new HiScoresEntry(playerName, score));
if (placement.HasValue)
{
hiScoresStorage.Save(copy);
}
return(placement);
}