public void CheckAnswers()
{
for (uint i = 1; i <= Questions.Count; i++)
{
List <string> userAnswers = new List <string>();
if (UserAnswers.ContainsKey(i))
{
userAnswers = UserAnswers[i];
}
else
{
UserAnswers.Add(i, new List <string>());
}
List <bool> correctAnswers = CorrectAnswers[i];
List <bool> userCorrectnessAnswers = new List <bool>();
for (int j = 0; j < userAnswers.Count; j++)
{
if (correctAnswers[GetIdAnswer(userAnswers[j], i)])
{
userCorrectnessAnswers.Add(true);
}
else
{
userCorrectnessAnswers.Add(false);
}
}
UserCorrectnessAnswers.Add(i, userCorrectnessAnswers);
}
}
public void AddToUserAnswers(uint key, string val)
{
if (UserAnswers.ContainsKey(key))
{
UserAnswers[key].Add(val);
}
else
{
UserAnswers.Add(key, new List <string>());
UserAnswers[key].Add(val);
}
}
/// <summary>
/// Saves the answer for the current question
/// </summary>
/// <param name="answer">The answer itself</param>
public void SaveAnswer(Answer answer)
{
// Save the answer
UserAnswers.Add(answer);
DI.Logger.Log($"User answer saved for question nr {CurrentQuestionString}.");
// Create view data from the results page if it is allowed to be shown
if (AreResultsAllowed)
{
QuestionViewModels.Add(Questions[mCurrentQuestion - 1].ToViewModel(answer, QuestionViewModels.Count));
}
}
private void OnChange(Answer answer)
{
var IsChecked = UserAnswers.FirstOrDefault(p => p.AnswerId == answer.AnswerId);
if (IsChecked == null)
{
UserAnswers.Add(answer);
}
else
{
UserAnswers.Remove(IsChecked);
}
StateHasChanged();
}
private async Task AddPublishedTestWithAnswers()
{
var questionWithSingleValidChoice = Questions[0];
var questionWith3ValidChoices = Questions[1];
var questionWithWrittenAnswer = Questions[2];
var testTemplateQuestions = new Dictionary <int, Question>
{
[questionWithSingleValidChoice.Id] = questionWithSingleValidChoice,
[questionWith3ValidChoices.Id] = questionWith3ValidChoices,
[questionWithWrittenAnswer.Id] = questionWithWrittenAnswer
};
var student1 = fixture.OrganizationOwnerMembers[fixture.UserId][0];
var student2 = fixture.OrganizationOwnerMembers[fixture.UserId][1];
var testPublishDate = new DateTime(2021, 1, 7, 6, 0, 0, DateTimeKind.Utc);
var startDate = testPublishDate.AddDays(1);
var endDate = startDate.AddHours(3);
var durationInMinutes = 30;
IEnumerable <int> studentsIds = new List <int> {
student1.Id, student2.Id
};
ScheduledTest = new ScheduledTest(TestTemplate.Id, testPublishDate, startDate, endDate, durationInMinutes, studentsIds);
var userTestStartDate = startDate.AddMinutes(10);
foreach (var userTest in ScheduledTest.UserTests)
{
userTest.SetStartDate(userTestStartDate);
userTest.SetEndDate(userTestStartDate.AddMinutes(5));
}
await fixture.ExecuteDbContext(db =>
{
db.ScheduledTests.Add(ScheduledTest);
return(db.SaveChangesAsync());
});
int scheduledTestId = ScheduledTest.Id;
//student1:
UserAnswers.Add(
UserAnswerGenerator.GenerateValidAnswer(questionWithSingleValidChoice, scheduledTestId, student1.Id));
UserAnswers.Add(
UserAnswerGenerator.GenerateValidAnswer(questionWith3ValidChoices, scheduledTestId, student1.Id));
UserAnswers.Add(
UserAnswerGenerator.GenerateValidAnswer(questionWithWrittenAnswer, scheduledTestId, student1.Id));
//student2:
UserAnswers.Add(
UserAnswerGenerator.GenerateInvalidAnswer(questionWithSingleValidChoice, scheduledTestId, student2.Id));
UserAnswers.Add(
UserAnswerGenerator.GenerateUserAnswerWithNValidChoices(questionWith3ValidChoices, 1, scheduledTestId, student2.Id));
UserAnswers.Add(
UserAnswerGenerator.GenerateInvalidAnswer(questionWithWrittenAnswer, scheduledTestId, student2.Id));
await fixture.ExecuteDbContext(db =>
{
db.UserAnswers.AddRange(UserAnswers);
return(db.SaveChangesAsync());
});
foreach (var userTest in ScheduledTest.UserTests)
{
float studentScore = 0f;
foreach (var studentAnswer in UserAnswers.Where(x => x.UserId == userTest.UserId))
{
var question = testTemplateQuestions[studentAnswer.QuestionId];
float questionScore = question.Answer.GetScore(studentAnswer);
studentScore += questionScore;
}
StudentIdTestScore.Add(userTest.UserId, studentScore);
}
TestMaxScore = testTemplateQuestions.Values.Select(x => x.Answer.MaxScore).Aggregate((x, y) => x + y);
}
