public void AddResult(Result result)
{
if (result == null)
{
throw new ArgumentNullException(nameof(result));
}
_databaseContext.UseTransaction(transaction =>
{
var discipline = _disciplinesRepository.GetDiscipline(result.Discipline.Id, transaction, true);
if (discipline == null)
{
throw new ArgumentException("Bad discipline id is provided");
}
var countingFormula = CountingFormula.Get(discipline.Counting);
var attempts = result.Attempts;
var attemptCount = countingFormula.AttemptCount;
result.Average = countingFormula.ComputeAverage(attempts);
result.AttemptCount = attemptCount;
_resultsRepository.AddResult(result, transaction);
});
}
