public IActionResult Enroll([FromHeader] string authorization, [FromBody] Course course)
{
try
{
var courseId = _context.Courses.SingleOrDefault(x => x.UrlName == course.UrlName).Id;
var userId = _tokenService.getClaimsId(authorization);
if (!String.IsNullOrEmpty(course.UrlName) && !String.IsNullOrEmpty(courseId))
{
_context.CourseUsers.Add(new CourseUser
{
CourseId = courseId,
UserId = userId,
EnrolledAt = DateTime.Now
});
_context.SaveChanges();
return(Ok());
}
else
{
return(BadRequest());
}
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError));
}
}
public IActionResult Complete([FromHeader] string authorization, [FromBody] JObject body)
{
try
{
var lectureId = body.Value <Int32>("id");
var urlName = body.Value <String>("urlName");
var isLastLecture = body.Value <Boolean>("isLastLecture");
var userId = _tokenService.getClaimsId(authorization);
if (!String.IsNullOrEmpty(urlName) && lectureId > 0)
{
var courseUser = _context.CourseUsers
.Include(x => x.CompletedLectures)
.Include(x => x.User)
.Include(x => x.Course)
.SingleOrDefault(x => x.Course.UrlName == urlName && x.User.Id == userId);
// save lectureId to completeLecture table
var completedLecture = new CompletedLectures {
LectureId = lectureId
};
_context.CompletedLectures.Add(completedLecture);
// if the lecture is also the last mark the course as completed
if (isLastLecture)
{
courseUser.IsCompleted = true;
}
_context.SaveChanges();
// add table to users list of completed courses;
courseUser.CompletedLectures.Add(completedLecture);
_context.SaveChanges();
_log.LogInformation($"User {userId} completed lecture {lectureId}");
var newCompletedLectures = _context.CourseUsers
.Include(x => x.CompletedLectures)
.Include(x => x.User)
.Include(x => x.Course)
.SingleOrDefault(x => x.Course.UrlName == urlName && x.User.Id == userId);
return(new ObjectResult(new
{
data = newCompletedLectures.CompletedLectures,
}));
}
else
{
return(BadRequest());
}
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError));
}
}
public IActionResult Answer([FromHeader] string authorization, [FromBody] JObject body)
{
var choices = body.Value <String>("choices");
var choiceArr = JsonConvert.DeserializeObject <String[]>(choices);
var urlName = body.Value <String>("urlName");
var userId = _tokenService.getClaimsId(authorization);
if (String.IsNullOrEmpty(urlName))
{
return(BadRequest());
}
else
{
var courseUser = _context.CourseUsers
.Include(x => x.QuizAttempts)
.SingleOrDefault(x => x.Course.UrlName == urlName && x.User.Id == userId);
var attempt = new QuizAttempt();
attempt.SubmissionTime = DateTime.Now;
foreach (var stringId in choiceArr)
{
var id = int.Parse(stringId);
var answer = new Answer()
{
UserChoiceId = id
};
_context.Answers.Add(answer);
_context.SaveChanges();
attempt.Answers.Add(answer);
}
courseUser.QuizAttempts.Add(attempt);
_context.SaveChanges();
_log.LogInformation($"Added quizattempt for for {userId}");
return(Ok());
}
}