// to add questions to a new exam
public async Task <bool> AddExamQuestions(Exam exam, List <int> questions)
{
//create exam
var examEntity = _mapper.Map <ExamEntity>(exam);
var examCreated = await _context.Exams.AddAsync(examEntity);
await Save();
//add questions to the exam
var examQuestionsEntities = new List <ExamsQuestions>();
foreach (var question in questions)
{
var examQuestion = new ExamsQuestions
{
ExamId = examCreated.Entity.Id,
QuestionId = question
};
examQuestionsEntities.Add(examQuestion);
}
await _context.AddRangeAsync(examQuestionsEntities);
return(await Save());
}
// to add an exisiting question to an existing exam
public async Task <ExamQuestion> AddExamQuestion(int examId, int questionId)
{
var examQuestionEntity = new ExamsQuestions
{
ExamId = examId,
QuestionId = questionId
};
var examQuestionCreated =
await _context.AddAsync(examQuestionEntity);
await Save();
return(_mapper.Map <ExamQuestion>(examQuestionCreated.Entity));
}
public async Task <IActionResult> AddQuestion([FromForm] ExamDto model)
{
using (var txscope = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
try
{
if (!ModelState.IsValid)
{
txscope.Dispose();
return(RedirectToAction("AddQuestion", model.Id));
}
#region LessonFile
string newExamFile = string.Empty, newLicenseFile = string.Empty;
if (model.ExamFile != null)
{
newExamFile = $@"Exam-{CommonMethod.GetFileName(model.ExamFile.FileName)}";
await CommonMethod.UploadFileAsync(HostingEnvironment.WebRootPath, FilePathListConstant.ExamFiles, newExamFile, model.ExamFile);
}
#endregion
if (model.QuestionId != 0)
{
var examQuestionObj = _examQuestionService.GetSingle(x => x.Id == model.QuestionId);
examQuestionObj.Question = model.Question;
examQuestionObj.Answer = model.Answer;
examQuestionObj.FileName = newExamFile;
var questionUpdateResult = await _examQuestionService.UpdateAsync(examQuestionObj, Accessor, User.GetUserId());
if (questionUpdateResult != null)
{
var ExamLessonList = _examLessonService.GetAll(x => x.ExamQuestionId == questionUpdateResult.Id);
_examLessonService.DeleteRange(ExamLessonList);
_examLessonService.Save();
List <long> lessonIdList = JsonConvert.DeserializeObject <List <long> >(model.LessonIdList);
foreach (var lessonid in lessonIdList)
{
var ExamLesson = new ExamLessons();
ExamLesson.ExamQuestionId = questionUpdateResult.Id;
ExamLesson.LessonId = lessonid;
var examLessonResult = await _examLessonService.InsertAsync(ExamLesson, Accessor, User.GetUserId());
}
}
//StaffLog
if (User.IsInRole(UserRoles.Staff))
{
await _staffLog.InsertAsync(new Log { CreatedDate = DateTime.Now, StaffId = User.GetUserId(), Description = ResponseConstants.UpdateExamQuestion }, Accessor, User.GetUserId());
}
txscope.Complete();
return(JsonResponse.GenerateJsonResult(1, ResponseConstants.UpdateExamQuestion));
}
else
{
model.CreatedDate = DateTime.UtcNow;
ExamsQuestions eq = new ExamsQuestions();
eq.ExamId = model.ExamId;
eq.IsActive = true;
eq.Question = model.Question;
eq.Answer = model.Answer;
eq.FileName = newExamFile;
var result = await _examQuestionService.InsertAsync(eq, Accessor, User.GetUserId());
if (result != null)
{
//Adding Lessons to the Exams Questions
List <long> lessonList = JsonConvert.DeserializeObject <List <long> >(model.LessonIdList);
foreach (var lessonid in lessonList)
{
var ExamLesson = new ExamLessons();
ExamLesson.ExamQuestionId = result.Id;
ExamLesson.LessonId = lessonid;
var examLessonResult = await _examLessonService.InsertAsync(ExamLesson, Accessor, User.GetUserId());
}
//StaffLog
if (User.IsInRole(UserRoles.Staff))
{
await _staffLog.InsertAsync(new Log { CreatedDate = DateTime.UtcNow, StaffId = User.GetUserId(), Description = ResponseConstants.CreateNewExamQuestion }, Accessor, User.GetUserId());
}
txscope.Complete();
return(JsonResponse.GenerateJsonResult(1, ResponseConstants.CreateNewExamQuestion));
}
txscope.Dispose();
return(JsonResponse.GenerateJsonResult(0, ResponseConstants.SomethingWrong));
}
}
catch (Exception ex)
{
txscope.Dispose();
ErrorLog.AddErrorLog(ex, "AddQuestion");
return(JsonResponse.GenerateJsonResult(0, ResponseConstants.SomethingWrong));
}
}
}
