private async Task <List <int> > CreateUserAnswersAndGetQuestionIdsSortedByStageAsync(int testId, int userId)
{
var questionIds = new List <int>();
int stagesCount = (await _questionManager.GetTestStagesByTestIdAsync(testId)).ToList().Count;
for (int stage = 1; stage <= stagesCount; stage++)
{
int questionId = (await _questionManager.GetRandomQuestionInTestByStageAsync(testId, stage)).Id;
List <DomainAnswer> answers = (await _answersManager.GetAnswersByQuestionIdAsync(questionId)).ToList();
foreach (DomainAnswer answer in answers)
{
var userAnswer = new DomainUserAnswer
{
isValid = false,
Text = string.Empty,
UserId = userId,
AnswerId = answer.Id
};
if (!await _answersManager.IsUserAnswerExistsAsync(userId, answer.Id))
{
await _answersManager.CreateUserAnswerAsync(userAnswer);
}
}
questionIds.Add(questionId);
}
return(questionIds);
}
private async Task FinishTest(int userId, int testId)
{
if ((await _testManager.GetUserTestAsync(userId, testId)).Status == TestStatus.Finished)
{
return;
}
await _testManager.UpdateUserTestStatusAsync(userId, testId, TestStatus.Finished);
List <DomainQuestion> questions = (await _questionManager.GetUserQuestionsByTestIdSortedByStageAsync(userId, testId)).ToList();
int points = 0;
foreach (var question in questions)
{
if (question.QuestionType == QuestionTypes.Option)
{
var correctAnswerIds = (await _answersManager.GetAnswersByQuestionIdAsync(question.Id))
.Where(x => x.IsValid == true)
.Select(x => x.Id)
.ToHashSet();
var userSelectedAnswerIds = (await _answersManager.GetUserAnswersByQuestionIdAsync(userId, question.Id))
.Where(x => x.isValid == true)
.Select(x => x.AnswerId)
.ToHashSet();
if (correctAnswerIds.SetEquals(userSelectedAnswerIds))
{
points += question.Points;
}
}
else if (question.QuestionType == QuestionTypes.Text)
{
DomainAnswer answer = (await _answersManager.GetAnswersByQuestionIdAsync(question.Id)).Single();
DomainUserAnswer userAnswer = (await _answersManager.GetUserAnswersByQuestionIdAsync(userId, question.Id))
.Single();
if (answer.Text == userAnswer.Text)
{
points += question.Points;
}
}
}
await _testManager.UpdateUserTestPointsAsync(userId, testId, points);
}