public new void Update(ExamCore editedExam)
{
var questionsToRemove = getQuestionsToRemove(editedExam).ToList();
var questionsToEdit = getQuestionsToEdit(editedExam).ToList();
var questionsToAdd = getQuestionsToAdd(editedExam).ToList();
_context.Questions.RemoveRange(questionsToRemove);
foreach (var questionToAdd in questionsToAdd)
{
AddQuestionToExam(editedExam, questionToAdd);
}
foreach (var questionToEdit in questionsToEdit)
{
var answersToRemove = getAnswersToRemove(questionToEdit).ToList();
var answersToEdit = getAnswersToEdit(questionToEdit).ToList();
var answersToAdd = getAnswersToAdd(questionToEdit).ToList();
_context.Answer.RemoveRange(answersToRemove);
foreach (var answerToAdd in answersToAdd)
{
_questionService.AddAnswerToQuestion(questionToEdit, answerToAdd);
}
foreach (var answerToEdit in answersToEdit)
{
_answerService.Update(answerToEdit);
}
_questionService.Update(questionToEdit);
}
_context.Exams.AddOrUpdate(editedExam);
_context.SaveChanges();
}
public ActionResult SaveAsyncQuestion(string examID, string questionID, AsyncEditedDataViewModel questionData, List <AsyncEditedDataViewModel> answersData)
{
if (int.TryParse(questionID, out int questionIntID))
{
var editedQuestion = _questionService.GetByID(questionIntID);
if (questionData != null && questionData.oldValue != null && questionData.newValue != null)
{
editedQuestion.QuestionText = questionData.newValue;
}
if (questionData != null && questionData.secondNewValue != null && questionData.secondNewValue == "true")
{
_questionService.Delete(editedQuestion);
return(Json(
new
{
success = true,
responseText = "Question has been successfuly deleted!",
deleted = true
}, JsonRequestBehavior.AllowGet));
}
var editedAnswers = new List <Answer>();
var addedAnswers = new List <Answer>();
if (answersData != null && answersData.Any())
{
foreach (var answerData in answersData)
{
var editedAnswer = editedQuestion.Answers.Where(x => x.TextAnswer == answerData.oldValue).FirstOrDefault();
if (editedAnswer != null)
{
editedAnswer.TextAnswer = answerData.newValue;
editedAnswer.IfCorrect = answerData.secondNewValue == "true" ? true : false;
editedAnswers.Add(editedAnswer);
}
else
{
var addedAnswer = new Answer()
{
IfCorrect = answerData.secondNewValue == "true" ? true : false,
TextAnswer = answerData.newValue
};
_questionService.AddAnswerToQuestion(questionIntID, addedAnswer);
addedAnswers.Add(addedAnswer);
}
}
var allAnswers = _questionService.GetByID(questionIntID).Answers.ToList();
var deletedAnswers = allAnswers.Except(editedAnswers).ToList();
deletedAnswers = deletedAnswers.Except(addedAnswers).ToList();
foreach (var deletedAnswerr in deletedAnswers)
{
_answerService.Delete(deletedAnswerr.Id);
}
_questionService.Update(editedQuestion);
}
var returnedAnswers = editedAnswers.ToList();
if (addedAnswers.Any())
{
returnedAnswers = returnedAnswers.Concat(addedAnswers.ToList()).ToList();
}
return(Json(
new
{
success = true,
responseText = "Questions have been successfuly updated!",
data = returnedAnswers.Select(x => new
{
TextAnswer = x.TextAnswer,
IfCorrect = x.IfCorrect
}).ToList(),
newQuestionID = editedQuestion.Id
}, JsonRequestBehavior.AllowGet));
}
else
{
if (int.TryParse(examID, out int examIntID))
{
var editedQuestion = new Question();
if (questionData != null && questionData.newValue != null)
{
editedQuestion.QuestionText = questionData.newValue;
_examCoreService.AddQuestionToExam(examIntID, editedQuestion);
}
if (answersData != null && answersData.Any())
{
foreach (var answerData in answersData)
{
var addedAnswer = new Answer()
{
IfCorrect = answerData.secondNewValue == "true" ? true : false,
TextAnswer = answerData.newValue
};
_questionService.AddAnswerToQuestion(editedQuestion.Id, addedAnswer);
}
}
return(Json(
new
{
success = true,
responseText = "Questions have been successfuly updated!",
data = _questionService.GetByID(editedQuestion.Id).Answers.Select(x => new
{
TextAnswer = x.TextAnswer,
IfCorrect = x.IfCorrect
}).ToList(),
newQuestionID = editedQuestion.Id
}, JsonRequestBehavior.AllowGet));
}
}
return(Json(new { success = false, responseText = "Error during updating questions." }, JsonRequestBehavior.AllowGet));
}
