public IReadOnlyDictionary <Expert, PredictionsResultAccumulator> GroupPredictionsResultsByExpert(IEnumerable <Match> matches)
{
var predictionResultsByExpert = new Dictionary <Expert, PredictionsResultAccumulator>();
foreach (var match in matches)
{
foreach (var prediction in match.Predictions.OrEmptyIfNull())
{
if (!prediction.IsClosed)
{
predictionResultsByExpert.Clear();
throw new ArgumentException("All predictions must be closed.");
}
var expert = prediction.Expert;
if (predictionResultsByExpert.ContainsKey(expert))
{
var predictionsResult = predictionResultsByExpert[expert];
predictionsResult.AddResult(prediction.Result);
}
else
{
var predictionsResult = new PredictionsResultAccumulator();
predictionsResult.AddResult(prediction.Result);
predictionResultsByExpert[expert] = predictionsResult;
}
}
}
return(predictionResultsByExpert);
}
public ExpertStatsReadDto(Expert expert, PredictionsResultAccumulator predictionsResult, int sum)
{
ExpertId = expert.Id;
Nickname = expert.Nickname;
Outcomes = predictionsResult.Outcomes;
Differences = predictionsResult.Differences;
Scores = predictionsResult.Scores;
Sum = sum;
}
