public InvoiceLineModel(ExamDto dto, decimal amount)
{
Exam = dto;
Amount = amount;
}
public JsonResult RemoveExamByCode(ExamDto dto)
{
var result = _examManager.RemoveExamByCode(dto.Code, dto.CourseId);
return(Json(result, JsonRequestBehavior.AllowGet));
}
public void setModel(ExamDto dto)
{
((IExamInputViewModel)DataContext).UpdateModel(dto);
}
public async Task <ExamDto> CreateOrUpdateExam(ExamDto exam)
{
return(await _service.CreateOrUpdateExam(exam));
}
public IActionResult Add(ExamDto examDto)
{
_examService.Add(examDto);
return(StatusCode(201));
}
public void Add(ExamDto examDto)
{
Exam exam = examDto.ExamMapping();
_examDal.Add(exam);
}
public void Update(ExamDto examDto)
{
Exam exam = examDto.ExamMapping();
_examDal.Update(exam);
}
public AddExamCommand(ExamDto exam)
{
Exam = exam;
}
public Task <ExamDto> CreateOrUpdateExam(ExamDto dto)
{
throw new NotImplementedException();
}
public async Task <IActionResult> WriteAnswer(WriteAnswersDto writeAnswersDto)
{
//Вземане на studentId и testId от header - exam
ExamDto examDto = JsonConvert.DeserializeObject <ExamDto>(Request.Headers["Exam"]);
if (examDto.TestId == 0 || examDto.StudentId == 0 || String.IsNullOrEmpty(examDto.Token))
{
return(NotFound());
}
var student = await _context.Students
.Include(stt => stt.StudentToTest)
.FirstOrDefaultAsync(s => s.Id == examDto.StudentId &&
s.StudentToTest.TestId == examDto.TestId &&
s.StudentToTest.Id == examDto.Token);
if (student == null)
{
return(Unauthorized());
}
var question = await _context.TestQuestions
.Include(tqa => tqa.TestQuestionAnswers)
.Include(tqt => tqt.TestQuestionType)
.FirstOrDefaultAsync(tq => tq.Id == writeAnswersDto.Id);
int studentAnswers = writeAnswersDto.Answers.Count();
//Проверява дали броят на отговорите не превишата с този на типът тест
if (question.TestQuestionType.NumberOfAnswers < studentAnswers)
{
return(BadRequest("You cheat!"));
}
var examAnswersForStudent = await _context.Exams
.Include(ea => ea.ExamAnswer)
.Where(e => e.StudentId == examDto.StudentId &&
e.TestQuestionId == writeAnswersDto.Id)
.ToListAsync();
//Изтриване на старите отговори ако съществуват
if (examAnswersForStudent.Count() != 0)
{
_context.RemoveRange(examAnswersForStudent);
}
//Entities за запис в базата
ExamAnswer examAnswerToAdd = new ExamAnswer();
Exam examToAdd = new Exam();
foreach (var answer in writeAnswersDto.Answers)
{
//Мапване с въпрос
var testQuestionAnswerForAdd = await _context.TestQuestionAnswers
.FirstOrDefaultAsync(q => q.Id == answer);
examAnswerToAdd = new ExamAnswer
{
TestQuestionAnswer = testQuestionAnswerForAdd
};
//Проверява дали ид на отговорите дадени от студентът отговарят на тези в базата за въпроса
var questionsToCheck = question.TestQuestionAnswers.ToList();
if (!questionsToCheck.Contains(testQuestionAnswerForAdd))
{
return(BadRequest("You cheat"));
}
await _context.ExamAnswers.AddAsync(examAnswerToAdd);
examToAdd = new Exam
{
ExamAnswer = examAnswerToAdd,
Student = student,
TestQuestion = question
};
await _context.Exams.AddAsync(examToAdd);
}
if (await _context.SaveChangesAsync() > 0)
{
return(Ok());
}
return(BadRequest());
}
public void addExam(ExamDto dto)
{
((IInvoiceInputViewModel)DataContext).AddExam(dto);
}
public void Update([FromBody] ExamDto examDto)
{
_examService.Update(examDto);
}