/// <summary>
/// User has answered the question.
/// </summary>
/// <param name="userId">The user identifier.</param>
/// <param name="questionsAnswers">The questions answers.</param>
/// <returns>Task{OperationResult}.</returns>
/// <exception cref="System.ArgumentNullException">Wrong input</exception>
public async Task <ColorResult> AnswerQuestions(string userId, PersonQualityIdWithScore[] questionsAnswers)
{
//TODO check if user has already answered questions
if (string.IsNullOrEmpty(userId) || questionsAnswers == null)
{
throw new ArgumentNullException(
string.IsNullOrEmpty(userId) ? "userId" : "questionsAnswers",
"Wrong input");
}
var user = await _userRepository.GetUser(userId);
if (user == null)
{
return((ColorResult)OperationResult.NotFound);
}
RewardsCalculator.UpdateUserAfterAnsweringQuestion(questionsAnswers, user);
await _assignmentService.AssignMissionSetLine(user);
await RewardsCalculator.SetNewMissionSets(user, _missionRepository);
RewardsCalculator.UpdateRadrugaColor(user, true);
var userUpdateResult = await _userRepository.UpdateUser(user);
return(userUpdateResult.Status == OperationResultStatus.Success
? new ColorResult(user.RadrugaColor)
: (ColorResult)userUpdateResult);
}