public void AddTextAnswer(TextAnswer textAnswer)
{
using (var context = new FinalProjectDBEntities1())
{
context.TextAnswers.Add(textAnswer);
}
}
private void GetTextResult(Question _question, TextAnswer textAnswer, ref uint count)
{
var question = _question as TextQuestion;
if (!String.IsNullOrEmpty(textAnswer.Text) && !String.IsNullOrEmpty(question.TextRightAnswer))
{
if (String.Equals(textAnswer.Text, question.TextRightAnswer, StringComparison.CurrentCultureIgnoreCase))
{
textAnswer.Score = question.Score;
count++;
textAnswer.Result = AnswerResult.Right;
}
else
{
textAnswer.Result = AnswerResult.Wrong;
textAnswer.Score = 0;
}
}
else
{
textAnswer.Result = null;
textAnswer.Text = "";
textAnswer.Score = 0;
}
_context.TextAnswers.Update(textAnswer);
}
public void DeleteTextAnswer(int Id)
{
using (var context = new FinalProjectDBEntities1())
{
TextAnswer textanswer = context.TextAnswers.Find(Id);
context.TextAnswers.Remove(textanswer);
}
}
private static TextAnswer GenerateTextAnswer(FormCollection collection, Evaluation evaluation, Question question, string aux)
{
TextAnswer t = new TextAnswer();
t.CreationDate = DateTime.Now;
t.Evaluation_Id = evaluation.Id;
t.Question_Id = question.Id;
t.Text = collection["q[" + question.Id + aux + "]"];
return(t);
}
/// <summary>
/// Adds a Text answer to the group represented by the GroupID
/// </summary>
/// <param name="GroupID"></param>
/// <param name="iQuestionID"></param>
/// <param name="AnswerText"></param>
/// <returns></returns>
public bool AddAnswerToRecord(long recordID, long questionID, string answerText)
{
Record record = RecordFromID(recordID);
Answer newAnswer = new TextAnswer();
newAnswer.RecordID = recordID;
newAnswer.QuestionID = questionID;
((TextAnswer)newAnswer).Text = answerText;
record.AddAnswer(newAnswer);
return(true);
}
static Test<string, object> GetTest()
{
var test = new Test<string, object>("Test");
var question =
new StringQuestion("В каком случае в одной области видимости можно объявить два делегата с одним именем?",
ComplexityLevel.Hard);
question.AddAnswer(new Answer<string>("Если у делегатов различное количество параметров.", false));
question.AddAnswer(new Answer<string>("Ни в каком.", true));
var textAnswer = new TextAnswer("Answer", false);
question.AddAnswer(textAnswer);
test.AddQuestion(question);
question = new StringQuestion("Какое утверждение об интерфейсах (Ин.) справедливо?", new Range<int>(2, 2),
ComplexityLevel.Hard);
question.AddAnswer(new Answer<string>("Ин. поддерживают множественное наследование.", true));
question.AddAnswer(new Answer<string>("Ин. могут содержать поля.", false));
question.AddAnswer(new Answer<string>("Ин. могут содержать конструкторы.", false));
question.AddAnswer(new Answer<string>("Ин. могут содержать cвойства, методы, события", true));
test.AddQuestion(question);
question = new StringQuestion("Ключевое слово sealed применимо к...", ComplexityLevel.Easy);
question.AddAnswer(new Answer<string>("Полям.", false));
question.AddAnswer(new Answer<string>("Интерфейсам.", false));
question.AddAnswer(new Answer<string>("Методам.", true));
test.AddQuestion(question);
question = new StringQuestion("Что является особенностью пользовательских структур?", ComplexityLevel.Easy);
question.AddAnswer(new Answer<string>("Структуры не поддерживают наследование.", true));
question.AddAnswer(new Answer<string>("Структура не может содержать событий.", false));
test.AddQuestion(question);
question =
new StringQuestion(
"Какое ключевое слово используется в производном классе для вызова конструктора класса-предка?",
ComplexityLevel.Easy);
question.AddAnswer(new Answer<string>("class", false));
question.AddAnswer(new Answer<string>("base", true));
question.AddAnswer(new Answer<string>("this", false));
test.AddQuestion(question);
question = new StringQuestion("В групповой делегат объединили 3 функции и произвели вызов. Что будет получено?");
question.AddAnswer(new Answer<string>("Исключительная ситуация.", false));
question.AddAnswer(new Answer<string>("Массив из трех значений.", false));
question.AddAnswer(new Answer<string>("Значение последней функции в цепочке.", true));
test.AddQuestion(question);
return test;
}
private async Task SaveTextAnswers(ICollection <TextQuestionDTO> textQuestions, Guid token)
{
foreach (var item in textQuestions)
{
if (item.Answer != null)
{
var answer = new TextAnswer();
answer.Answer = item.Answer;
answer.CorelationToken = token;
answer.TextQuestionId = item.Id;
await this.dbcontext.TextAnswers.AddAsync(answer);
}
}
}
public static TextAnswerDto ToTextAnswerDto(this TextAnswer textAnswer)
{
if (textAnswer == null)
{
return(null);
}
var textAnswerDto = new TextAnswerDto
{
Id = textAnswer.Id,
Textbox = textAnswer.Textbox,
IsCorrect = textAnswer.IsCorrect.Value
};
return(textAnswerDto);
}
/// <summary>
/// Adds the answer to the corresponding (non-lookup) question
/// </summary>
/// <param name="iQuestionID"></param>
/// <param name="AnswerText"></param>
/// <returns></returns>
public bool AddAnswer(long questionID, string AnswerText, long answerID)
{
bool addOK = false;
try
{
TextAnswer newAnswer = new TextAnswer();
newAnswer.QuestionID = questionID;
newAnswer.Text = AnswerText;
newAnswer.AnswerID = answerID;
AddAnswer(newAnswer);
addOK = true;
}
catch (System.Exception ex)
{
_errors.Add(ex);
_last_error = ex;
addOK = false;
}
return(addOK);
}
private void Update()
{
if (_model != null)
{
_questions.Clear();
foreach (var question in _model.Questions)
{
if (question is TextQuestion)
{
var answer = new TextAnswer();
_questions.Add(new TextAnswerViewModel((TextQuestion)question, answer));
_filledModel.Answers.Add(answer);
}
if (question is ImgChoiceQuestion)
{
var answer = new SingleChoiceAnswer();
_questions.Add(new ImgChoiceAnswerViewModel((ImgChoiceQuestion)question, answer));
_filledModel.Answers.Add(answer);
}
}
}
OnNotifyPropertyChanged("Questions");
}
public Question toQuestio()
{
Question retQuestion = new Question();
retQuestion.ID = this.ID;
retQuestion.Picture = this.Picture;
retQuestion.Points = this.Points;
retQuestion.QuestionText = this.QuestionText;
foreach (editAnswer answerModel in this.Answers)
{
Answer tempAnswer = null;
if (answerModel.type.ToLower().Contains("region"))
{
tempAnswer = new RegionAnswer(answerModel.x1, answerModel.x2, answerModel.y1, answerModel.y2, answerModel.IsCorrect);
}
else if (answerModel.type.ToLower().Contains("text"))
{
tempAnswer = new TextAnswer(answerModel.text, answerModel.IsCorrect);
}
//tempAnswer.ID = answerModel.ID;
retQuestion.Answers.Add(tempAnswer);
}
return(retQuestion);
}
/// <summary>
/// Method which focuses <see cref="TextAnswer"/> when <see cref="Window"/> is rendered.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Window_ContentRendered(object sender, EventArgs e)
{
TextAnswer.SelectAll();
TextAnswer.Focus();
}
private static void InsertTextAnswer(FormCollection collection, Evaluation evaluation, Question question, string aux)
{
TextAnswer t = GenerateTextAnswer(collection, evaluation, question, aux);
new TextAnswersServices().Add(t);
}
public TextAnswerViewModel(TextQuestion question, TextAnswer answer): base(question)
{
_answerModel = answer;
}
public async Task <IActionResult> Start(int testResultId, ErrorViewModel model)
{
var user = await _userManager.GetUserAsync(HttpContext.User);
var testResult = await _context.TestResults
.Include(tr => tr.Test)
.ThenInclude(t => t.Questions)
.SingleAsync(t => t.Id == testResultId);
if (testResult == null)
{
return(NotFound());
}
if (!testResult.Test.IsEnabled)
{
return(Forbid());
}
var questions = testResult.Test.Questions.Where(q => !q.IsDeleted).ToList();
if (questions.Count() == 0)
{
return(NotFound());
}
if (_context.Answers.Any(a => a.TestResult == testResult))
{
return(RedirectToAction("Answer", "Answer",
new
{
testResultId = testResult.Id,
answerId = _context.Answers.Where(a => a.TestResult == testResult)
.SingleOrDefault(a => a.Order == 1).Id
}));
}
var answers = new List <Answer>();
Answer answer = null;
if (testResult.Test.Count != 0 && testResult.Test.Count < questions.Count && testResult.Test.Shuffled)
{
var order = new ushort[testResult.Test.Count];
for (var i = 0; i < order.Length; i++)
{
order[i] = (ushort)(i + 1);
}
if (testResult.Test.Shuffled)
{
Shuffle(order);
}
var j = 0;
Shuffle(questions);
for (var k = 0; k < order.Length; k++)
{
var question = questions[k];
switch (question.QuestionType)
{
case "SingleChoiceQuestion":
answer = new SingleChoiceAnswer();
break;
case "MultiChoiceQuestion":
answer = new MultiChoiceAnswer();
break;
case "TextQuestion":
answer = new TextAnswer();
break;
case "DragAndDropQuestion":
answer = new DragAndDropAnswer();
break;
case "CodeQuestion":
answer = new CodeAnswer();
break;
}
if (answer == null)
{
throw new NullReferenceException();
}
answer.Result = null;
answer.Question = question;
answer.Score = 0;
answer.TestResult = testResult;
answer.Order = order[j++];
await _context.Answers.AddAsync(answer);
answers.Add(answer);
await _context.SaveChangesAsync();
}
}
else
{
var order = new ushort[questions.Count()];
for (var i = 0; i < order.Length; i++)
{
order[i] = (ushort)(i + 1);
}
if (testResult.Test.Shuffled)
{
Shuffle(order);
}
var j = 0;
foreach (var question in questions)
{
switch (question.QuestionType)
{
case "SingleChoiceQuestion":
answer = new SingleChoiceAnswer();
break;
case "MultiChoiceQuestion":
answer = new MultiChoiceAnswer();
break;
case "TextQuestion":
answer = new TextAnswer();
break;
case "DragAndDropQuestion":
answer = new DragAndDropAnswer();
break;
case "CodeQuestion":
answer = new CodeAnswer();
break;
}
if (answer == null)
{
throw new NullReferenceException();
}
answer.Question = question;
answer.Score = 0;
answer.TestResult = testResult;
answer.Order = order[j++];
await _context.Answers.AddAsync(answer);
answers.Add(answer);
await _context.SaveChangesAsync();
}
}
testResult.StartedOn = DateTime.UtcNow;
_context.TestResults.Update(testResult);
await _context.SaveChangesAsync();
// TODO: redirect to first answer (question)
//throw new NotImplementedException();
return(RedirectToAction("Answer", "Answer",
new { testResultId = testResult.Id, answerId = answers.SingleOrDefault(a => a.Order == 1).Id }));
}
private void StartTest(User user, TestResult testResult, Test test)
{
var answers = new List <Answer>();
Answer answer = null;
var questions = testResult.Test.Questions.Where(q => !q.IsDeleted).ToList();
testResult.TotalQuestions = (uint)questions.Count;
if (test.Count != 0 && test.Count < test.Questions.Count && testResult.Test.Shuffled)
{
var order = new ushort[testResult.Test.Count];
for (var i = 0; i < order.Length; i++)
{
order[i] = (ushort)(i + 1);
}
var j = 0;
for (var k = 0; k < order.Length; k++)
{
var question = questions[k];
switch (question.QuestionType)
{
case "SingleChoiceQuestion":
answer = new SingleChoiceAnswer();
break;
case "MultiChoiceQuestion":
answer = new MultiChoiceAnswer();
break;
case "TextQuestion":
answer = new TextAnswer();
break;
case "DragAndDropQuestion":
answer = new DragAndDropAnswer();
break;
case "CodeQuestion":
answer = new CodeAnswer();
break;
}
if (answer == null)
{
throw new NullReferenceException();
}
answer.Result = null;
answer.Question = question;
answer.Score = 0;
answer.TestResult = testResult;
answer.Order = order[j++];
_context.Answers.Add(answer);
answers.Add(answer);
_context.SaveChanges();
}
}
else
{
var order = new ushort[questions.Count()];
for (var i = 0; i < order.Length; i++)
{
order[i] = (ushort)(i + 1);
}
var j = 0;
foreach (var question in questions)
{
switch (question.QuestionType)
{
case "SingleChoiceQuestion":
answer = new SingleChoiceAnswer();
break;
case "MultiChoiceQuestion":
answer = new MultiChoiceAnswer();
break;
case "TextQuestion":
answer = new TextAnswer();
break;
case "DragAndDropQuestion":
answer = new DragAndDropAnswer();
break;
case "CodeQuestion":
answer = new CodeAnswer();
break;
}
if (answer == null)
{
throw new NullReferenceException();
}
answer.Question = question;
answer.Score = 0;
answer.TestResult = testResult;
answer.Order = order[j++];
_context.Answers.Add(answer);
answers.Add(answer);
_context.SaveChanges();
}
}
testResult.StartedOn = DateTime.UtcNow;
_context.TestResults.Update(testResult);
_context.SaveChanges();
}