private static string[] GetStudentAnswers(StudentQuestionTable studentExamQuestion, OptionAssignController optionAssignController)
{
if (studentExamQuestion == null)
{
return new string[] { "" }
}
;
string[] studentAnswerIds = studentExamQuestion.studentAnswerIds.Split(',');
List <int> answerIds = new List <int>();
foreach (string studentAnswerId in studentAnswerIds)
{
int.TryParse(studentAnswerId, out int result);
answerIds.Add(result);
}
List <string> answers = new List <string>();
foreach (int answerId in answerIds)
{
OptionAssign answer = optionAssignController.GetById(answerId);
if (answer != null)
{
answers.Add(answer.optionTitle);
}
}
return(answers.ToArray());
}
private void AssignOptionsToQuestion(int questionId, RealOption[] options, string[] answers)
{
foreach (RealOption option in options)
{
OptionAssign optionAssign = OptionUtils.OptionToOptionAssign(questionId, option, answers);
optionAssignController.AssignNewOption(optionAssign);
}
}
public void DeleteOption(int optionId)
{
OptionAssign model = optionAssignRepository.GetById(optionId);
if (model == null)
{
return;
}
Delete(optionId);
}
private void EditOption(OptionAssign newOption)
{
OptionAssign model = GetByNameAndQuestionId(newOption.optionTitle, newOption.questionId);
model.optionTitle = newOption.optionTitle;
model.questionId = newOption.questionId;
model.answer = newOption.answer;
optionAssignRepository.Update(model);
optionAssignRepository.Save();
}
public static List<OptionAssign> OneWayCompareOptions(List<OptionAssign> completeList, List<OptionAssign> actualList)
{
List<OptionAssign> differentItems = new List<OptionAssign>();
foreach (OptionAssign listElement in completeList)
{
OptionAssign foundElement = actualList.Find(optionElement => optionElement.optionTitle == listElement.optionTitle);
OptionAssign foundAnswer = actualList.Find(optionElement => optionElement.answer[0] == listElement.answer[0]);
if (foundElement == null || foundAnswer == null)
differentItems.Add(listElement);
}
return differentItems;
}
public void AssignNewOption(OptionAssign assignment)
{
var allOptionAssignments = optionAssignRepository.GetAll();
int lastId = 0;
if (allOptionAssignments.Count() > 0)
{
lastId = allOptionAssignments[allOptionAssignments.Count() - 1].Id;
}
assignment.Id = lastId + 1;
optionAssignRepository.Insert(assignment);
optionAssignRepository.Save();
}
public static OptionAssign OptionToOptionAssign(int questionId, RealOption option, string[] answers)
{
byte[] answer = new byte[] { 0 };
if (answers.Contains(option.title))
answer[0] = 1;
OptionAssign optionAssign = new OptionAssign
{
questionId = questionId,
optionTitle = option.title,
answer = answer,
};
return optionAssign;
}
public static OptionAssign OptionToOptionAssign(int questionId, RealOption option, string[] answers)
{
bool answer = false;
if (answers.Contains(option.title))
{
answer = true;
}
OptionAssign optionAssign = new OptionAssign
{
questionId = questionId,
optionTitle = option.title,
answer = answer,
};
return(optionAssign);
}