public async Task <IActionResult> SubmitPoll(PollFormResult formResult)
{
var validProcessResult = _pollManager.ValidProcessPollForm(formResult);
if (validProcessResult.IsValid)
{
await _pollManager.AddPollFormResult(validProcessResult);
return(Json("Ok"));
}
else
{
return(new JsonResult("Bad data")
{
StatusCode = 400
});
}
}
/// <summary>
/// Check is valid form and process her.
/// </summary>
/// <param name="pollFormResult"></param>
/// <returns></returns>
public IPollFormValidProcessResult ValidProcessPollForm(PollFormResult pollFormResult)
{
var result = new PollFormValidProcessResult();
if (pollFormResult.MultiAnswer == null || pollFormResult.SingleAnswer == null)
{
return(result);
}
var questions = _dbContext.Questions.ToArray();
var answers = _dbContext.Answers.ToArray();
//Add to result questions with single answer
foreach (var questionIdAnswerId in pollFormResult.SingleAnswer)
{
var question = questions.FirstOrDefault((q) => q.Id == questionIdAnswerId.Key);
var answer = answers.FirstOrDefault(a => a.Id == questionIdAnswerId.Value);
// Not found question or answer in db.
if (question == null || answer == null)
{
return(result);
}
result.SelectedSingleAnswer.Add(question, new UserAnswerSelectData()
{
Answer = answer
});
}
//Add to result questions with multiple answers
foreach (var questionIdAnswerIds in pollFormResult.MultiAnswer)
{
//Search by question, by question id.
var question = questions.FirstOrDefault(q => q.Id == questionIdAnswerIds.Key);
//There no question with this id in db.
if (question == null)
{
return(result);
}
var answersToAdd = answers.Where(answer => questionIdAnswerIds.Value.Contains(answer.Id)).ToArray();
//There no answer with this id in db.
if (answersToAdd.Length == 0 || questionIdAnswerIds.Value.Length != answersToAdd.Length)
{
return(result);
}
var answersData = answersToAdd.Select((answer) =>
new UserAnswerSelectData()
{
Answer = answer
}
).ToArray();
result.SelectedMultipleAnswer.Add(question, answersData);
}
result.IsValid = true;
return(result);
}
