public IHttpActionResult PutQuestion(int id, Question question)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != question.Que_Id)
{
return(BadRequest());
}
db.Entry(question).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!QuestionExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
public async Task <Question> AddQuestion(Question question)
{
try
{
context.Question.Add(question);
context.SaveChanges();
AddOption(question.Option1, question.Id, 1);
AddOption(question.Option2, question.Id, 1);
AddOption(question.Option3, question.Id, 1);
AddOption(question.Answer1, question.Id, 2);
if (question.Answer2 != null)
{
AddOption(question.Answer2, question.Id, 2);
}
if (question.QuestionType == "image" && question.ImageFile != null && question.ImageUrl != "")
{
ImageFile saveImage = new ImageFile(_webHostEnvironment);
saveImage.Save(question.ImageFile, question.ImageUrl);
}
await context.SaveChangesAsync();
return(question);
}
catch (Exception ex)
{
Console.WriteLine("Error: ", ex.Message);
return(null);
}
}
public void UpdateTest(Test test)
{
try
{
context.Test.Update(test);
context.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine("Error: ", ex.Message);
}
}
public void RemoveTeacherClassroom(int idTeacher, int idClass)
{
var teacherClass = context.TeacherClassroom.Where(tc => tc.IdClassroom == idClass && tc.IdUser == idTeacher).FirstOrDefault();
context.TeacherClassroom.Remove(teacherClass);
context.SaveChanges();
}
public void PublishTest(List <int> classrooms, int idTest)
{
try
{
foreach (int idClass in classrooms)
{
var idClassExits = context.ClassroomTest.Where(c => c.IdTest == idTest && c.IdClassroom == idClass).FirstOrDefault();
if (idClassExits == null)
{
foreach (User s in context.User)
{
if (s.IdClassroom == idClass)
{
StudentTest student = new StudentTest();
student.IdUser = s.Id;
student.IdTest = idTest;
student.Grade = 0;
student.IsDone = false;
context.StudentTest.Add(student);
}
}
ClassroomTest classroomTest = new ClassroomTest();
classroomTest.IdClassroom = idClass;
classroomTest.IdTest = idTest;
context.ClassroomTest.Add(classroomTest);
}
}
context.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine("Error: ", ex.Message);
}
}