public async Task UpdateAsync(string id, UpdateContestRequest updateContestRequest)
{
var contestStorage = ContestMapper.MapUpdateContestRequestToContestStorage(updateContestRequest);
if (updateContestRequest.Closed == true)
{
var winner = await DeclareContestWinnerAsync(id);
contestStorage.Winner = winner;
await _contestRepository.SetWinnerAsync(winner);
}
await _contestRepository.UpdateAsync(id, contestStorage);
}